Bibliografie tematiche / Sustainable crop production

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Letteratura scientifica selezionata sul tema "Sustainable crop production"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 21 febbraio 2023

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Articoli di riviste sul tema "Sustainable crop production"

Pisante, Michele, e Amir Kassam. "Sustainable Crop Production Intensification". AIMS Agriculture and Food 2, n. 1 (2017): 40–42. http://dx.doi.org/10.3934/agrfood.2017.1.40.

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Del Grosso, Stephen, Pete Smith, Marcelo Galdos, Astley Hastings e William Parton. "Sustainable energy crop production". Current Opinion in Environmental Sustainability 9-10 (novembre 2014): 20–25. http://dx.doi.org/10.1016/j.cosust.2014.07.007.

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Zhalnina, Kateryna, Christine Hawkes, Ashley Shade, Mary K. Firestone e Jennifer Pett-Ridge. "Managing Plant Microbiomes for Sustainable Biofuel Production". Phytobiomes Journal 5, n. 1 (gennaio 2021): 3–13. http://dx.doi.org/10.1094/pbiomes-12-20-0090-e.

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The development of environmentally sustainable, economical, and reliable sources of energy is one of the great challenges of the 21st century. Large-scale cultivation of cellulosic feedstock crops (henceforth, bioenergy crops) is considered one of the most promising renewable sources for liquid transportation fuels. However, the mandate to develop a viable cellulosic bioenergy industry is accompanied by an equally urgent mandate to deliver not only cheap reliable biomass but also ecosystem benefits, including efficient use of water, nitrogen, and phosphorous; restored soil health; and net negative carbon emissions. Thus, sustainable bioenergy crop production may involve new agricultural practices or feedstocks and should be reliable, cost effective, and minimal input, without displacing crops currently grown for food production on fertile land. In this editorial perspective for the Phytobiomes Journal Focus Issue on Phytobiomes of Bioenergy Crops and Agroecosystems, we consider the microbiomes associated with bioenergy crops, the effects beneficial microbes have on their hosts, and potential ecosystem impacts of these interactions. We also address outstanding questions, major advances, and emerging biotechnological strategies to design and manipulate bioenergy crop microbiomes. This approach could simultaneously increase crop yields and provide important ecosystem services for a sustainable energy future.

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Dybro, Niels, e Alan Christopher Hansen. "Sustainable Intensification of Global Agronomic Output". Journal of Agricultural Science 10, n. 3 (9 febbraio 2018): 30. http://dx.doi.org/10.5539/jas.v10n3p30.

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Agribusinesses are investigating sustainable ways to meet the predicted increased demand for food production due to an increasing world population and higher living standards. Therefore, there is a strong need to increase agronomic output. This paper will review the current state of agricultural production of the main annual top-five staple grain crops grown around the world, their current yields and harvested area averages and trends. It concludes with a discussion of which changes are needed to increase the yield in lower yielding areas of the world. Finally, there is an assessment of what level of yield increases that could be attained provided the proposed changes are made and its predicted impact on food security by 2050.The current yield trends and trends for harvested area, when extrapolated out to 2050, indicate crop production will increase 106%. This includes an expansion of the total crop production area by 31%. This increase of cropping area can be achieved by increased utilization of available, uncropped land suitable for crop production, increased double cropping, and relay intercropping, allowing for multiple crops in a calendar year.In order to double crop production by 2050, it is necessary to focus on growing crops where the conditions make it possible, adopt the best sustainable crop production practices and implement them as intensively as possible everywhere, and consider improved crop production machine system options to reduce risk of soil compaction, which can reduce crop yields.With proposed changes across the world, it will be possible to exceed a doubling of food production by 2050 relative to 2005 levels, providing a reasonable high level of food security, absent wars and widespread natural disasters.

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Fonseca, Maria João. "Soil microbiology and sustainable crop production". Journal of Biological Education 45, n. 4 (dicembre 2011): 265. http://dx.doi.org/10.1080/00219266.2011.611154.

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Lugtenberg, Ben J. J., John R. Caradus e Linda J. Johnson. "Fungal endophytes for sustainable crop production". FEMS Microbiology Ecology 92, n. 12 (12 settembre 2016): fiw194. http://dx.doi.org/10.1093/femsec/fiw194.

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Thwaites, Richard. "Soil Microbiology and Sustainable Crop Production". Plant Pathology 60, n. 5 (5 settembre 2011): 998. http://dx.doi.org/10.1111/j.1365-3059.2011.02510.x.

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Campbell, C. A., R. J. K. Myers e D. Curtin. "Managing nitrogen for sustainable crop production". Fertilizer Research 42, n. 1-3 (1995): 277–96. http://dx.doi.org/10.1007/bf00750521.

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Shah, Kabita Kumari, Bindu Modi, Hari Prasad Pandey, Arjun Subedi, Geeta Aryal, Meena Pandey e Jiban Shrestha. "Diversified Crop Rotation: An Approach for Sustainable Agriculture Production". Advances in Agriculture 2021 (22 luglio 2021): 1–9. http://dx.doi.org/10.1155/2021/8924087.

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Diversified crop rotation (DCR) improves the efficiency of farming systems all over the world. It has the potentiality to improve soil condition and boost system productivity. Improved soil attributes such as increased soil water uptake and storage, and a greater number of beneficial soil organisms, may improve yield tolerance to drought and other hard growing conditions in a variety of crop rotations. Crop rotations with a variety of crops benefit the farmers,reduce production risk and uncertainty, and enhance soil and ecological sustainability. Farmers may be able to diversify their sources of income by adopting diversified crop rotations. Furthermore, because of the distinct structure, function, and relationship of plant community with soil in DCR, it contributes to the long-term development of soil health by decreasing insect, weed, and disease incidence and increasing the physical and chemical structure of the soil. DCR is becoming more popular approach for maintaining sustainable crop production. This review provides the evidence of the significance of DCR, challenges to adapt it, and possible way out to overcome the challenges.

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Cohen, R., M. Elkabez e M. Edelstein. "Integration of grafting into sustainable crop production". Acta Horticulturae, n. 1302 (gennaio 2021): 1–8. http://dx.doi.org/10.17660/actahortic.2021.1302.1.

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Tesi sul tema "Sustainable crop production"

Ellis, Ciaran R. "Valuing wild pollinators for sustainable crop production". Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/22327.

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This thesis looks at the role of wild pollinators in providing services to crops. Two data chapters (2 and 3) are accompanied by a modelling chapter (4) which build on the findings of the field studies. The thesis ends with an overview of the trends in pollinator populations and how these relate to the needs of farmers in the UK (chap-ter 5). It is often assumed that commercial pollinators are appropriate substitutes of wild pollinators on farms; however this view neglects the differing roles that particular pollinator taxa might play in providing pollination services. For example, crops with a long growing system may require multiple pollinators to ensure pollination throughout the season. Strawberries in Scotland have an extremely long growing season, flowering from April to August. Chapter 2 presents a study showing season-al complementarity between different pollinating taxa across strawberry farms in Scotland. Pollinators of strawberries also differed in their responses to weather pa-rameters indicating that preserving multiple pollinator taxa could ensure yields un-der different weather scenarios. The requirements of a long-growing season and ad-verse weather may be specific to strawberry production in Scotland, but the valua-tion of multiple taxa can be generalised to systems with differing needs, and also to different ecosystem services. Wild bees are not only valuable for providing complementary services to commercial pollinators, but are also valuable in the longer term as it is unknown whether com-mercial pollinators will be available in the future. There are threats to the supply of honeybees which have already triggered price rises; such supply shocks could force farmers to leave production or to seek other ways of providing pollination, including supporting wild pollinators. However farm management pressures, in particular pes-ticide use, could threaten the ability of wild pollinators to continue to support crop production. The interplay of pesticides and pollination is discussed in chapter 3 and 4. Chapter 3 presents an experiment undertaken on soft-fruit farms which had and had not used the neonicotinoid, thiacloprid, and shows that nests exposed to thia-cloprid had higher worker mortality, and lower male production than those at con-trol farms. This has implications both for pollination services now, as worker mor-tality will reduce the number of bees visiting farms, and also for the maintenance of future pollination services through decreased reproductive capacity of exposed nests. Chapter 4 uses a theoretical model to link pesticide use and habitat use to pollina-tion services, and shows that the use of commercial pollinators could mask the de-cline in wild populations, making local extinctions more likely. Chapter 5 sets out the status and extent of pollinators in the UK, along with popu-lation trends, trends in habitat and trends in pesticide use to provide an overview of how well pollination services are likely to meet the ongoing needs of crop farmers.

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GANIMEDE, CRISTINA. "REDESIGNING AGNOECOSYSTEMS FOR A SUSTAINABLE CROP PRODUCTION INTENSIFICATION". Doctoral thesis, Università Cattolica del Sacro Cuore, 2017. http://hdl.handle.net/10280/17727.

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L’intensificazione sostenibile delle pratiche agricole rappresenta un paradigma per il passaggio da sistemi agricoli tradizionali all’applicazione di tecnologie e tecniche moderne per la produzione agricola. A livello globale si è diffuso l’interesse verso il modello di Agricoltura Sostenibile (AS), in vista di alcuni problemi che possono minacciare la sicurezza alimentare mondiale: crescita della popolazione mondiale, cambiamenti nella domanda delle produzioni agricole, percentuale elevata di persone sottonutrite, cambiamenti climatici, diminuzione delle risorse naturali. Il progetto “Produzione di cibo appropriato: sufficiente, sicuro, sostenibile”, ancora in corso, lavora per raggiungere alcuni scopi: (1) rilevare e valutare la disponibilità quantitativa e qualitativa degli alimenti destinati al consumo umano, (2) proporre nuovi sistemi di produzione agro-zootecnica, (3) sviluppare tecniche appropriate per processare e conservare gli alimenti, al fine di ottenere uno stato di sicurezza alimentare e sostenibilità ambientale ed economica. L’obiettivo generale di questo lavoro è quello di mostrare quali sono le possibili alternative ai sistemi agricoli tradizionali, sia nei Paesi Sviluppati sia in quelli in Via di Sviluppo, al fine di aumentarne l’efficienza e diminuirne gli impatti sull’ambiente, aumentando lo stato globale di sicurezza alimentare. Per i Paesi in Via di Sviluppo l’attenzione si concentra sulle pratiche di sviluppo rurale integrato, al fine di implementare quantitativamente la produzione alimentare e, conseguentemente, la sicurezza alimentare, preservando nel contempo l'ambiente. Per i Paesi Sviluppati, in cui i rendimenti agricoli sono già potenzialmente molto elevati, l’attenzione viene focalizzata sul migliorare la produttività del suolo, riducendo gli input esterni e le emissioni di gas ad effetto serra, attraverso l’adozione di sistemi agricoli conservativi.
Sustainable intensification of agricultural practices represents a paradigm shift from traditional farming systems to the application of modern technologies and techniques to crop production. At global level it has been widespread interest towards Sustainable Agriculture (SA) model, in view of some issues that will may threaten the world food security: growing world population, changes in agricultural product’s demand, high prevalence of undernourishment, climate changes, decreasing of natural resources. The project “Production of proper food: sufficient, safe, sustainable" is still working to achieve some purposes: (1) to detect the availability quantity and quality of food for human consumption, (2) to propose new agro-livestock production systems, (3) to develop appropriate techniques for processing and storage of foodstuffs, in order to achieve food security, environmental and economic sustainability. The objective of this work is to show what are the possible alternatives ways at traditional agricultural systems, both in Developed and Developing Countries, in order to increase the efficiency and to decrease the impacts on the environment, raising a global condition of food security. For Developing Countries the attention is focused on integrated rural development practices in order to implement food production and the state of food security, while preserving the environment. For Developed Countries, in which yields are already potentially higher, the attention is focused on enhance soil productivity while reducing external farming input and greenhouse gases emission by the adoption of conservation agricultural systems.

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Touliatos, Dionysios. "Exploiting vertical growing strategies for sustainable crop production". Thesis, Lancaster University, 2017. http://eprints.lancs.ac.uk/89593/.

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Kibe, Alison G. "Farm Scale Feasibility of Exploiting UV Radiation for Sustainable Crop Production". Scholarship @ Claremont, 2015. http://scholarship.claremont.edu/scripps_theses/605.

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The Food and Agriculture Organization of the United Nations predicts that food supplies will need to increase by 70 percent by 2050. To cope with this, farmers and technologies must adapt to produce higher yields and do so in harsher conditions associated with climate change. The shifting view of ultraviolet radiation may be one of a system of management approaches that agriculture could sustainably adopt to improve crop production. While this technology sounds promising, whether or not farmers choose to adopt the technology, on what scale, or when, is often ambiguous. These decisions are dependent on social, economic, and biophysical factors that can be identified for UV radiation technology. This technology is not ready for full adoption, but there may be some feasible applications in higher value crops like fruit and vegetables.

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Avila-Segura, Laura M. "Potential benefits of cover crop based systems for sustainable production of vegetables". [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015763.

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September, Lwandlekazi Christina. "Crop production and sustainable livehoods for rural women of Sutterheim in Eastern Cape". Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/20488.

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The study focuses on investigating the impact of crop production to sustainable livelihood strategies among rural women. The main objective of the study are as follows: to investigate the extent to which Silwindlala crop production cooperative has improved the lives of Jerseyville rural women, to investigate the new skills that Jerseyville rural women have obtained from Silwindlala crop production cooperative, to explore on challenges that would contribute to failure of crop production cooperative and to come up with the recommendations that would contribute to policy formulation and skills on management of crop production cooperative of rural women. The study employed qualitative method for data collection and analysis. The main findings of this study were that, the impact of crop production on sustainable livelihood is still seasonal, during harvesting period. Data showed low educational status and lack of business management skills among rural women, however, technical skills and collective interest contributed to the success of the cooperative

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Ubolsook, Aerwadee. "Sustainable Energy Crops: An Analysis of Ethanol Production from Cassava in Thailand". DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/794.

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The first essay formulates a dynamic general equilibrium optimal control model of an energy crop as part of a country's planned resource use over a period of time. The model attempts to allocate consumption, production, and factors of production to achieve the country's sustainable development goal. A Cobb-Douglas specification is used for both utility and production functions in the model. We calibrate the model with Thailand data. The selected model is used to generate the stationary state solution and to simulate the optimal policy function and optimal time paths. Two methods are used: a linear approximation method and the Runke-Kutta reverse shooting method. The model provides numerical results that can be used as information for decision makers and stakeholders to devise an economic plan to achieve sustainable development goals. The second essay studies the effect of international trade and changes in labor supply, land supply, and the price of imported energy on energy crop production for bio fuel and food, as well as impacts on social welfare. We develop a dynamic general equilibrium model to describe two baseline scenarios, a closed economy and an open economy. We find that international trade increases welfare and decreases the energy price. Furthermore, resources are allocated to produce more food under the open economy scenario than the quantities produced under a closed economy assumption. An increase in labor supply and land supply result in an increase in social welfare. An increase in imported energy price leads to a welfare loss, higher energy production, and lower food production. The third essay develops a partial equilibrium econometric model to project the impacts of an increase in ethanol production on the Thai agriculture sector over the next ten years. The model is applied to three scenarios for analyzing the effect of government ethanol production targets. The results from the baseline model and scenario analysis indicate that an expansion in ethanol production will result in a significant increase in cassava production, price, and land use. The increase in cassava production will shift land use from maize and sugar cane, thus increasing in price of maize.

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Bojang, Musa. "The use of cowpea (Vigna unguiculata) cover crop for sustainable maize and millet production in the Gambia". Thesis, University of Reading, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401426.

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Turbett, Yzanne J. "A potential new method of steam treatment for the control of soil-borne diseases, insects and weeds in sustainable crop production". Thesis, University of Aberdeen, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408782.

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A series of experiments were conducted to determine the potential of a new method of steam treatment for the control of soil-borne diseases, insects and weeds in sustainable crop production. The new method involved rapidly heating a bed of prepared soil on a porous base by passing an upward flow of steam through it. The aim was to determine whether the new method would be suitable for use in a field machine, making large-scale field steaming practically and economically viable. In the first experiments, the feasibility of the new method was tested. It was shown that it was an effective and rapid way in which a soil bed could be steamed. However, for some soils at, or near, permanent wilting point, the entrainment of aggregates in the steam flow was shown to be a problem. The second series of experiments showed that the key factor determining the flow rate at which aggregate entrainment occurred was the mean aggregate diameter of the soil being treated. The third series of experiments examined the rate at which heated soil would cool when placed in the field. It was shown that where there was contact with unheated field soil, cooling was very rapid. The final series of experiments investigated the effects of the new steaming method on the soil. A three minute steaming time was used to account for the short time it had been shown some of the heated soil would remain at steam temperature when replaced in the field. The effects of the new method, including the effectiveness of disinfection, were shown to be similar to those of a conventional steam treatment. It was concluded that the new steaming method was an effective way to steam treat soil and should be suitable for use in a field machine.

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Öckerman, Frode. "Climate impact assessment of coupling biogas production to agricultural and energy systems: crop variety of Solaris energy tobacco in Marble Hall, South Africa". Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-295890.

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In the context of global energy shortage and climate change, developing local biogas plants coupled with agricultural systems can become an important strategy for cleaner rural energy and sustainable agriculture. In this research, a Life Cycle Assessment (LCA) method was applied to compare the climate impact of two essentially different systems: 1) Scenario I: an agricultural system based on the cultivation of 11 hectares of energy tobacco primarily for seed production; 2) Scenario II: a hypothetical Scenario Investigating the climate impact concerned with a crop variety – a higher yielding variety cultivated for both seed and biomass - and introducing biogas production. Both scenarios focus on the energy tobacco biomass residues. The overall aim of the study was to evaluate the climate impact of these two scenarios in the agricultural and energy system in Marble Hall, Limpopo Province, South Africa. The biogas was used for electricity production, replacing coal-based electricity on the grid. Biomass residues were chosen as feedstock for biogas production since this crop presently receives much attention in the region as the oily seeds can be used to produce sustainable jet fuel. Results from the modelling show that Scenario II would provide a positive climate impact: a 43% reduction of greenhouse gases compared to Scenario I. The higher yielding crop variety in Scenario II means that there is also potential to produce more sustainable jet fuel to replace conventional aviation fossil fuel. Taking this into account, the biogas scenario can reduce emissions by 79% compared to the base case. An analysis of the results indicates that there are several variables in the system model that are uncertain and sensitive to change, proving that more research is necessary to make robust conclusions about the validity of the presented results.

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Più fonti

Libri sul tema "Sustainable crop production"

Mamman, E. Tillage for sustainable crop production. Maiduguri, Nigeria: Mike-B Printing & Publishing, 2009.

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Reddy, P. Parvatha. Sustainable Intensification of Crop Production. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2702-4.

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Dixon, Geoffrey R. Soil Microbiology and Sustainable Crop Production. Dordrecht: Springer Science+Business Media B.V., 2010.

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Dixon, Geoffrey R., e Emma L. Tilston, a cura di. Soil Microbiology and Sustainable Crop Production. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9479-7.

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Meena, Ram Swaroop, a cura di. Nutrient Dynamics for Sustainable Crop Production. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-8660-2.

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Climate change and crop production. Wallingford, Oxfordshire, UK: CABI, 2010.

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Murphy, Kevin, e Glafera Janet Matanguihan. Quinoa: Improvement and sustainable production. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015.

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Woodend, John J. Biotechnology and sustainable crop production in Zimbabwe. Paris: Organisation for Economic Co-operation and Development, 1995.

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Reynolds, Matthew P. Climate change and crop production. Wallingford, Oxfordshire, UK: CABI, 2010.

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Singh, Yadvinder. Green manure approaches to crop production and sustainable agriculture. A cura di Society for Conservation of Nature (New Delhi, India). Indian Nitrogen Group. New Delhi: Indian Nitrogen Group, Society for Conservation of Nature in association with South Asian Nitrogen Centre, International Nitrogen Initiative, 2010.

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Capitoli di libri sul tema "Sustainable crop production"

Christou, Paul, e Roxana Savin. "Crop crop/cropping Science crop/cropping science and Technology Crop Technology , Introduction". In Sustainable Food Production, 659–66. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_936.

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Farre, Gemma, Sonia Gomez-Galera, Shaista Naqvi, Chao Bai, Georgina Sanahuja, Dawei Yuan, Uxue Zorrilla et al. "Biotechnology crop/cropping biotechnology and Nutritional Improvement crop/cropping nutritional improvement of Crops crop/cropping". In Sustainable Food Production, 280–327. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_160.

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Newell-McGloughlin, Martina. "Transgenic Crops transgenic crop , Next Generation transgenic crop breeding next generation". In Sustainable Food Production, 1633–65. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_165.

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Gatehouse, Angharad M. R., Martin G. Edwards, Natalie Ferry e Micheal D. K. Owen. "Transgenic Crops transgenic crop , Environmental Impact transgenic crop breeding environmental impact". In Sustainable Food Production, 1613–32. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_240.

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Roy, Stuart J., e Mark Tester. "Increasing Salinity Tolerance crop/cropping salinity tolerance of Crops crop/cropping". In Sustainable Food Production, 986–1002. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_429.

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Neri, Davide, Oriana Silvestroni, Nora Baldoni, Matteo Belletti, Elisa Bellucci, Elena Bitocchi, Franco Capocasa et al. "Sustainable Crop Production". In The First Outstanding 50 Years of “Università Politecnica delle Marche”, 583–600. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-33832-9_37.

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Walters, Dale R. "Crop crop/cropping Diseases crop/cropping diseases , Management and Control of". In Sustainable Food Production, 533–57. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_103.

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Lemaire, Gilles. "Crop crop/cropping Responses to Nitrogen crop/cropping responses to nitrogen". In Sustainable Food Production, 638–58. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_385.

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Yuan, Dawei, Svetlana Dashevskaya, Richard M. Twyman, Teresa Capell e Paul Christou. "Crop Plants Crop Plants plants Transformation Methods crop/cropping plants transformation methods". In Sustainable Food Production, 558–90. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_107.

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Trijatmiko, Kurniawan Rudi, e Andy Pereira. "Crop Traits crop/cropping trait : Gene Isolation crop/cropping trait gene isolation". In Sustainable Food Production, 667–98. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-5797-8_411.

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Atti di convegni sul tema "Sustainable crop production"

Vassileva, Maria. "SUSTAINABLE CROP PRODUCTION: P-SOLUBILIZING BIOFERTILIZERS". In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/6.2/s25.086.

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Abasov, Sh M., I. Ia Shishkhaev, M. Sh Abasov e Z. B. Magamadgazieva. "Co-Crop Field Crops for Sustainable Production high quality feed". In ТЕНДЕНЦИИ РАЗВИТИЯ НАУКИ И ОБРАЗОВАНИЯ. НИЦ «Л-Журнал», 2018. http://dx.doi.org/10.18411/lj-12-2018-138.

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Siptits, Stanislav O. "Algorithm For Planning Efficient And Sustainable Crop Production". In Conference on Land Economy and Rural Studies Essentials. European Publisher, 2021. http://dx.doi.org/10.15405/epsbs.2021.07.21.

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Hatfield, J. L. "Soil Tilth and Sustainable Agriculture". In Proceedings of the First Annual Crop Production and Protection Conference. Iowa State University, Digital Press, 1989. http://dx.doi.org/10.31274/icm-180809-315.

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Pirog, Richard. "Approaches to Transferring Sustainable Agriculture Research". In Proceedings of the First Annual Crop Production and Protection Conference. Iowa State University, Digital Press, 1991. http://dx.doi.org/10.31274/icm-180809-353.

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Van Dee, Kevin. "Weed Control Options for Organic and Sustainable Production Systems". In Proceedings of the 10th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2000. http://dx.doi.org/10.31274/icm-180809-671.

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Hart, Chad. "Sustainable production and distribution of bioenergy for the Central U.S." In Proceedings of the 21st Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2011. http://dx.doi.org/10.31274/icm-180809-63.

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Heggenstaller, Andy. "DuPont cellulosic ethanol: Sustainable corn stover harvest for biofuel production". In Proceedings of the 21st Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2012. http://dx.doi.org/10.31274/icm-180809-89.

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Shashikala, R., Bhaskar Pratap Singh, Mohammed Azam, C. R. Magesh, Rajat e Devesh Pratap Singh. "IoT Engineering Nanomaterial's Approach To Sustainable Advance Crop Production Management". In 2022 2nd International Conference on Advance Computing and Innovative Technologies in Engineering (ICACITE). IEEE, 2022. http://dx.doi.org/10.1109/icacite53722.2022.9823573.

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Dražić, Nikola, Jelena Milovanović, Gordana Dražić e Eleonora Marišova. "Opportunities For Sustainable Production of Energy Crop Miscanthus in Serbia". In FINIZ 2019. Belgrade, Serbia: Singidunum University, 2019. http://dx.doi.org/10.15308/finiz-2019-9-14.

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Rapporti di organizzazioni sul tema "Sustainable crop production"

Bremmer, Johan, Ana Gonzalez-Martinez, Roel Jongeneel, Hilfred Huiting, Rob Stokkers e Marc Ruijs. Impact assessment of EC 2030 Green Deal Targets for sustainable crop production. Wageningen: Wageningen Economic Research, 2021. http://dx.doi.org/10.18174/558517.

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Mdoe, Ntengua, Aida Isinika, Gilead Mlay, Gideon Boniface, Christopher Magomba, John Jeckoniah e Devotha Mosha. Is Rice and Sunflower Commercialisation in Tanzania Inclusive for Women and Youth? Institute of Development Studies (IDS), aprile 2022. http://dx.doi.org/10.19088/apra.2022.016.

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Rice is Tanzania’s third most important staple crop after maize and cassava, and produced by more than 1 million households who are mostly small-scale farmers. Meanwhile sunflower is the most important edible oil crop in Tanzania, also grown mostly by small-scale farmers. Over the last two decades, rice and sunflower have increasingly become important sources of income. This can be attributed to efforts by the government, in collaboration with development agencies, to commercialise rice and sunflower production to improve livelihoods and reduce poverty among actors in both value chains. There have also been efforts aimed at ensuring sustainable commercialisation and involvement of women and youth in the commercialisation process. Despite these initiatives, women and youth involvement in the rice and sunflower commercialisation process is likely to be constrained by their limited access to land and financial capital. Looking at government policy to promote commercial rice and sunflower production for poverty reduction, this brief examines the extent to which households headed by women and youth have been able to participate in the commercialisation process of the two value chains.

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Matita, Mirriam, Ephraim Wadonda Chirwa, David Zingwe e Jacob Mazalale. Use of Climate-Smart Agriculture Practices and Smallholder Farmer Market Participation in Central Malawi. Institute of Development Studies (IDS), febbraio 2022. http://dx.doi.org/10.19088/apra.2022.003.

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In the past few decades, climate-smart agriculture (CSA) has been promoted to improve food security and raise incomes as a strategy for sustainable agricultural development. The adoption rates among smallholder farmers, particularly in Africa, remain low and have varied in different contexts. We investigated the market participation spill over effects from the adoption of CSA practices in central Malawi. We tested the hypothesis that the extent of the use of CSA practices in the past 10 years can lead to production surpluses that enable smallholder farmers to participate in markets and thereby increase agricultural incomes. The findings suggest, among others, the need to intensify efforts to promote CSA adoption specifically over a longer period for benefits of the technologies to materialise. The adoption of CSA practices over time enhances crop market participation – an important aspect required for production sustainability as well as for transforming agriculture towards greater market orientation among smallholder farmers.

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Palmborg, Cecilia. Fertilization with digestate and digestate products – availability and demonstration experiments within the project Botnia nutrient recycling. Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences, 2022. http://dx.doi.org/10.54612/a.25rctaeopn.

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To increase our food security in Västerbotten we will need to become more self-sufficient of both energy, feed and nutrients that are now imported to the region. Biogas production from different waste streams is one solution to this. Biogas is produced using biowaste or sewage sludge as substrate in the major cities Umeå and Skellefteå. Biogas systems offer a range of benefits to society. Biogas production is currently prized for its climate benefits when replacing fossil fuels for the production of heat, electricity and vehicle gas, but at Bothnia Nutrient Recycling we have studied how to use the digestate, i.e. the residual product of production, as fertilizer in agriculture. We have been working to improve profitability for biogas producers and develop sustainable products from recycled nutrients, like phosphorus and nitrogen. Improving the uses for digestate increases self-sufficiency in agriculture and contributes to a circular economy. We conducted three agricultural demonstration experiments in collaboration with agricultural high schools in Finland and Sweden to introduce digestate and digestate products to the future farmers in the regions. We found that it may be possible to replace cattle slurry with compost when growing maize despite the low levels of nitrogen, N, available to plants in the compost. In barley, NPK fertilizers gave the highest yield. Digestate from HEMAB and sludge biochar supplemented with recycled ammonium sulphate gave a smaller yield but higher than unfertilized crop. Digestate from a dry digestion biogas plant in Härnösand was better suited to barley than to grass because in an experiment on grass ley the viscous fertilizer did not penetrate the grass and did not increase the growth of the grass. Fertilizer effects on crop quality were small. There was no increased uptake of heavy metals in barley after fertilization with digestate or digestate products compared to NPK fertilization. These demonstration experiments show that more thorough scientific experimentation is needed as a foundation for recommendations to farmers. The amounts of nitrogen and phosphorous in digestate from Västerbotten that could become used as fertilizer were modelled. It showed that if sewage sludge digestate is used to make sludge biochar and ammonium sulphate and the other available digestates are used directly in agriculture, the entire phosphorous demand but only a small part of the nitrogen demand in the county, could be covered. Thus, to achieve a true circular food production, development and increase of both the waste handling sector and agriculture is needed.

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Delate, Kathleen, Cynthia A. Cambardella, L. James Secor, Heather Friedrich, Noreen Wantate, Robert G. Hartzler, Matthew Z. Liebman e Mark W. Carlton. Integrating Organic Soybean Production following Conservation Reserve Program (CRP) Land into Sustainable Farming Systems. Ames: Iowa State University, Digital Repository, 2002. http://dx.doi.org/10.31274/farmprogressreports-180814-550.

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Lundgren, Jonathan, Moshe Coll e James Harwood. Biological control of cereal aphids in wheat: Implications of alternative foods and intraguild predation. United States Department of Agriculture, ottobre 2014. http://dx.doi.org/10.32747/2014.7699858.bard.

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The overall objective of this proposal is to understand how realistic strategies for incorporating alternative foods into wheat fields affect the intraguild (IG) interactions of omnivorous and carnivorous predators and their efficacy as biological control agents. Cereal aphids are a primary pest of wheat throughout much of the world. Naturally occurring predator communities consume large quantities of cereal aphids in wheat, and are partitioned into aphid specialists and omnivores. Within wheat fields, the relative abilities of omnivorous and carnivorous predators to reduce cereal aphids depend heavily on the availability, distribution and type of alternative foods (alternative prey, sugar, and pollen), and on the intensity and direction of IG predation events within this community. A series of eight synergistic experiments, carefully crafted to accomplish objectives while accounting for regional production practices, will be conducted to explore how cover crops (US, where large fields preclude effective use of field margins) and field margins (IS, where cover crops are not feasible) as sources of alternative foods affect the IG interactions of predators and their efficacy as biological control agents. These objectives are: 1. Determine the mechanisms whereby the availability of alternative prey and plant-provided resources affect pest suppression by omnivorous and carnivorous generalist predators; 2. Characterize the intensity of IGP within generalist predator communities of wheat systems and assess the impact of these interactions on cereal aphid predation; and 3. Evaluate how spatial patterns in the availability of non-prey resources and IGP affect predation on cereal aphids by generalist predator communities. To accomplish these goals, novel tools, including molecular and biochemical gut content analysis and geospatial analysis, will be coupled with traditional techniques used to monitor and manipulate insect populations and predator efficacy. Our approach will manipulate key alternative foods and IG prey to determine how these individual interactions contribute to the ability of predators to suppress cereal aphids within systems where cover crop and field margin management strategies are evaluated in production scale plots. Using these strategies, the proposed project will not only provide cost-effective and realistic solutions for pest management issues faced by IS and US producers, but also will provide a better understanding of how spatial dispersion, IG predation, and the availability of alternative foods contribute to biological control by omnivores and carnivores within agroecosystems. By reducing the reliance of wheat producers on insecticides, this proposal will address the BARD priorities of increasing the efficiency of agricultural production and protecting plants against biotic sources of stress in an environmentally friendly and sustainable manner.

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Gillor, Osnat, Stefan Wuertz, Karen Shapiro, Nirit Bernstein, Woutrina Miller, Patricia Conrad e Moshe Herzberg. Science-Based Monitoring for Produce Safety: Comparing Indicators and Pathogens in Water, Soil, and Crops. United States Department of Agriculture, maggio 2013. http://dx.doi.org/10.32747/2013.7613884.bard.

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Using treated wastewater (TWW) for crop irrigation represents an important opportunity for ensuring adequate food production in light of growing freshwater scarcity worldwide. However, the environmentally sustainable approach of using TWW for irrigation can lead to contamination of produce with fecal pathogens that may remain in treated water. The overall goal of this research was to evaluate the correlation between the presence of fecal indicator bacteria (FIB) and that of a suite of human pathogens in TWW, the irrigated soil, and crops. Field experiments were conducted to compare secondary and tertiary TWW with dechlorinated tap water for irrigation of tomatoes, a typical commercial crop, in Israel, a semi-arid country. Human pathogens including bacteria (Salmonella), protozoa (Cryptosporidiumand Giardia), and viruses (Adenovirus [AV Types A, B, C & 40/41] and Enterovirus [EV71 subtypes]) were monitored in two field trials using a combination of microscopic, cultivation-based, and molecular (qPCR) techniques. Results from the field trials indicate that microbial contamination on the surface of tomatoes did not appear to be associated with the source of irrigated waters; FIB contamination was not statistically different on tomatoes irrigated with TWW as compared to tomatoes irrigated with potable water. In fact, Indicator bacteria testing did not predict the presence of pathogens in any of the matrices tested. High concentrations of FIB were detected in water and on tomato surfaces from all irrigation treatment schemes, while pathogen contamination on tomato surfaces (Cryptosporidiumand Salmonella) was only detected on crops irrigated with TWW. These results suggest that regular monitoring for pathogens should take place to accurately detect presence of harmful microorganisms that could threaten consumer safety. A notable result from our study is that the large numbers of FIB in the water did not appear to lead to FIB accumulation in the soil. With the exception of two samples, E. coli that was present at 10³ to 10⁴ cells/100 mL in the water, was not detected in the soil. Other bacterial targets associated with the enteric environment (e. g., Proteusspp.) as well as protozoal pathogens were detected in the TWW, but not in the soil. These findings suggest that significant microbial transfer to the soil from TWW did not occur in this study. The pattern of FIB contamination on the surfaces of tomatoes was the same for all treatment types, and showed a temporal effect with more contamination detected as the duration of the field trial increased. An important observation revealed that water quality dramatically deteriorated between the time of its release from the wastewater treatment plant and the time it was utilized for irrigation, highlighting the importance of performing water quality testing throughout the growing season at the cultivation site.

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Avni, Adi, e Gitta L. Coaker. Proteomic investigation of a tomato receptor like protein recognizing fungal pathogens. United States Department of Agriculture, gennaio 2015. http://dx.doi.org/10.32747/2015.7600030.bard.

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Maximizing food production with minimal negative effects on the environment remains a long-term challenge for sustainable food production. Microbial pathogens cause devastating diseases, minimizing crop losses by controlling plant diseases can contribute significantly to this goal. All plants possess an innate immune system that is activated after recognition of microbial-derived molecules. The fungal protein Eix induces defense responses in tomato and tobacco. Plants recognize Eix through a leucine-rich-repeat receptor- like-protein (LRR-RLP) termed LeEix. Despite the knowledge obtained from studies on tomato, relatively little is known about signaling initiated by RLP-type immune receptors. The focus of this grant proposal is to generate a foundational understanding of how the tomato xylanase receptor LeEix2 signals to confer defense responses. LeEix2 recognition results in pattern triggered immunity (PTI). The grant has two main aims: (1) Isolate the LeEix2 protein complex in an active and resting state; (2) Examine the biological function of the identified proteins in relation to LeEix2 signaling upon perception of the xylanase elicitor Eix. We used two separate approaches to isolate receptor interacting proteins. Transgenic tomato plants expressing LeEix2 fused to the GFP tag were used to identify complex components at a resting and activated state. LeEix2 complexes were purified by mass spectrometry and associated proteins identified by mass spectrometry. We identified novel proteins that interact with LeEix receptor by proteomics analysis. We identified two dynamin related proteins (DRPs), a coiled coil – nucleotide binding site leucine rich repeat (SlNRC4a) protein. In the second approach we used the split ubiquitin yeast two hybrid (Y2H) screen system to identified receptor-like protein kinase At5g24010-like (SlRLK-like) (Solyc01g094920.2.1) as an interactor of LeEIX2. We examined the role of SlNRC4a in plant immunity. Co-immunoprecipitation demonstrates that SlNRC4a is able to associate with different PRRs. Physiological assays with specific elicitors revealed that SlNRC4a generally alters PRR-mediated responses. SlNRC4a overexpression enhances defense responses while silencing SlNRC4 reduces plant immunity. We propose that SlNRC4a acts as a non-canonical positive regulator of immunity mediated by diverse PRRs. Thus, SlNRC4a could link both intracellular and extracellular immune perception. SlDRP2A localizes at the plasma membrane. Overexpression of SlDRP2A increases the sub-population of LeEIX2 inVHAa1 endosomes, and enhances LeEIX2- and FLS2-mediated defense. The effect of SlDRP2A on induction of plant immunity highlights the importance of endomembrane components and endocytosis in signal propagation during plant immune . The interaction of LeEIX2 with SlRLK-like was verified using co- immunoprecipitation and a bimolecular fluorescence complementation assay. The defence responses induced by EIX were markedly reduced when SlRLK-like was over-expressed, and mutation of slrlk-likeusing CRISPR/Cas9 increased EIX- induced ethylene production and SlACSgene expression in tomato. Co-expression of SlRLK-like with different RLPs and RLKs led to their degradation, apparently through an endoplasmic reticulum-associated degradation process. We provided new knowledge and expertise relevant to expression of specific be exploited to enhance immunity in crops enabling the development of novel environmentally friendly disease control strategies.

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Gerstl, Zev, Thomas L. Potter, David Bosch, Timothy Strickland, Clint Truman, Theodore Webster, Shmuel Assouline, Baruch Rubin, Shlomo Nir e Yael Mishael. Novel Herbicide Formulations for Conservation-Tillage. United States Department of Agriculture, giugno 2009. http://dx.doi.org/10.32747/2009.7591736.bard.

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The overall objective of this study was to develop, optimize and evaluate novel formulations, which reduce herbicide leaching and enhance agronomic efficacy. Numerous studies have demonstrated that CsT promotes environmental quality and enhances sustainable crop production, yet continued use of CsT-practices appears threatened unless cost effective alternative weed control practices can be found. The problem is pressing in the southern portion of the Atlantic Coastal Plain region of the eastern USA where cotton and peanut are produced extensively. This research addressed needs of the region’s farmers for more effective weed control practices for CsT systems. HUJI: CRFs for sulfentrazone and metolachlor were developed and tested based on their solubilizion in cationic micelles and adsorption of the mixed micelles on montmorillonite. A better understanding of solubilizing anionic and nonionic organic molecules in cationic micelles was reached. Both CRFs demonstrated controlled release compared to the commercial formulations. A bioassay in soil columns determined that the new sulfentrazone and metolachlor CRFs significantly improve weed control and reduced leaching (for the latter) in comparison with the commercial formulations. ARO: Two types of CRFs were developed: polymer-clay beads and powdered formulations. Sand filter experiments were conducted to determine the release of the herbicide from the CRFs. The concentration of metolachlor in the initial fractions of the effluent from the commercial formulation reached rather high values, whereas from the alginate-clay formulations and some of the powdered formulations, metolachlor concentrations were low and fairly constant. The movement of metolachlor through a sandy soil from commercial and alginate-clay formulations showed that the CRFs developed significantly reduced the leaching of metolachlor in comparison to the commercial formulation. Mini-flume and simulated rainfall studies indicated that all the CRFs tested increased runoff losses and decreased the amount of metolachlor found in the leachate. ARS: Field and laboratory investigations were conducted on the environmental fate and weed control efficacy of a commercially available, and two CRFs (organo-clay and alginate-encapsulated) of the soil-residual herbicide metolachlor. The environmental fate characteristics and weed control efficacy of these products were compared in rainfall simulations, soil dissipations, greenhouse efficacy trials, and a leaching study. Comparisons were made on the basis of tillage, CsT, and conventional, i.e no surface crop residue at planting (CT). Strip-tillage (ST), a commonly used form of CsT, was practiced. The organo-clay and commercial metolachlor formulations behaved similarly in terms of wash off, runoff, soil dissipation and weed control efficacy. No advantage of the organo-clay over the commercial metolachlor was observed. Alginate encapsulated metolachlor was more promising. The dissipation rate for metolachlor when applied in the alginate formulation was 10 times slower than when the commercial product was used inferring that its use may enhance weed management in cotton and peanut fields in the region. In addition, comparison of alginate and commercial formulations showed that ST can effectively reduce the runoff threat that is commonly associated with granular herbicide application. Studies also showed that use of the alginate CRF has the potential to reduce metolachlor leaching. Overall study findings have indicated that use of granular herbicide formulations may have substantial benefit for ST-system weed management for cotton and peanut production under Atlantic Coastal Plain conditions in the southeastern USA. Commercial development and evaluation at the farm scale appears warranted. Products will likely enhance and maintain CsT use in this and other regions by improving weed control options.

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Salavisa, Isabel, Mark Soares e Sofia Bizarro. A Critical Assessment of Organic Agriculture in Portugal: A reflection on the agro-food system transition. DINÂMIA'CET-Iscte, 2021. http://dx.doi.org/10.15847/dinamiacet-iul.wp.2021.05.

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Over the last few decades, the organic agriculture sector has experienced sustained growth. Globally, as well as in the European Union and Portugal, organic production accounts for just under 10% of total Utilised Agricultural Area (UAA) (FiBL, 2019; Eurostat, 2019; DGADR, 2019; INE, 2019; GPP, 2019). This growth has been seen in terms of production, number of producers, amount of retail sales, imports and exports. This article attempts to build on the multi-level perspective (MLP) of the socio-technical (ST) transitions theory by employing a whole systems analysis (Geels, 2018) of organic agriculture in Portugal, which defends an integrated vision of the systems, where multiple interactions occur within and among the niche, the regime and the landscape levels. This approach has been employed in order to develop a critical analysis of the current state of the Portuguese organic agriculture sector, stressing the multiplicity of elements that are contributing to the agro-food system´s transformation into a more sustainable one. In fact, the agro-food system is related with climate change but also has connections with other domains such as public health, water management, land use and biodiversity. Therefore, it is affected by shifts in these areas. This analysis considers developments in increasing domestic organic production, number of producers, amount of retail sales, imports, exports, market innovations, and the sector´s reconfiguration. The organic sector´s increase has been attributed to European regulation, institutionalization, standardization, farmer certification, external (government) subsidy support programs, incremental market improvements (visibility and product access), the emergence of new retailers, the rise of supporting consumers and a shift away from conventional agriculture (Truninger, 2010; DGADR, 2019; Pe´er et al, 2019). However, together with positive incentives, this sector also faces numerous barriers that are hindering a faster transformation. Difficulties for the sector to date have included: product placement; a disconnect between production, distribution and marketing systems; high transport costs; competition from imports; European subsidies focused on extensive crops (pastures, olive groves, and arable crops), entailing a substantial growth in the area of pasture to the detriment of other crops; the fact that the products that are in demand (fresh vegetables and fruit) are being neglected by Portuguese producers; expensive certification procedures; lack of adequate support and market expertise for national producers; the hybrid configuration of the sector; and price. Organic agriculture as a niche-innovation is still not greatly contributing to overall agricultural production. The low supply of organic products, despite its ever-increasing demand, suggests that a transition to increased organic production requires a deeper and faster food system reconfiguration, where an array of distinct policies are mobilized and a diversity of actions take place at different levels (Geels, 2018; Pe´er et al, 2019). This paper will attempt to contribute an overall critical assessment of the organic sector´s features and evolution and will identify some of the main obstacles to be overcome, in order to boost the sustainability transition of the agro-food system in Portugal.

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