Relevant bibliographies by topics / Rice – Effect of pollution on – Australia

Academic literature on the topic 'Rice – Effect of pollution on – Australia'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Rice – Effect of pollution on – Australia"

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McINTYRE, S., H. M. McGINNESS, D. GAYDON, and A. D. ARTHUR. "Introducing irrigation efficiencies: prospects for flood-dependent biodiversity in a rice agro-ecosystem." Environmental Conservation 38, no. 3 (May 25, 2011): 353–65. http://dx.doi.org/10.1017/s0376892911000130.

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SUMMARYWorldwide, irrigation development has affected pre-existing natural habitats and created novel aquatic habitats, and future changes in management will continue to influence flood-dependent vegetation and fauna. Irrigated agriculture has had a profound influence on native biodiversity in the Riverina region of temperate Australia. Current irrigation practices provide large amounts of water to the landscape in the form of constructed wetland habitats: irrigation channels, impoundments and flooded crop-growing areas. Flooded rice bays support many species of native wetland plants, and 12 of the 14 species of frog recorded in the region. All constructed habitats provide a food resource for waterbirds, but not breeding habitat. While a species of tortoise benefits from the provision of constructed habitats, terrestrial reptiles and mammals are most abundant in remaining native vegetation. The climate is predicted to become increasingly hot and dry, with a reduced and more variable supply of irrigation water, thus placing increasing stress on farming and on natural ecosystems. The predicted reduction of constructed aquatic habitats may affect the native species using them, but may not have a major adverse impact on biodiversity regionally because the species recorded in constructed habitats tend be abundant and widespread, and such species also occur in natural wetland habitats. Sensitive species that depend on native vegetation persisting in reasonable amounts and in good condition are at greater risk. In the Riverina, the remaining native vegetation should be managed to protect and improve its condition, including appropriate managed inundation events for flood-dependent communities. The landscape should be managed to provide the best context for the function and health of existing vegetation including moderating the effects of soil disturbance, fertilizers and herbicides. The impacts of changed irrigation practices should be mitigated through managed flooding of remnant vegetation. In countries with more evolved, traditional rice-growing systems than the Riverina, there will be greater emphasis on biodiversity coexistence with cultivation. Nonetheless, in all settings there is value in jointly considering the role of both natural and constructed habitats in biodiversity research and conservation.
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Champness, Matthew, Carlos Ballester, and John Hornbuckle. "Effect of Soil Moisture Deficit on Aerobic Rice in Temperate Australia." Agronomy 13, no. 1 (January 4, 2023): 168. http://dx.doi.org/10.3390/agronomy13010168.

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Declining water availability is pressing rice growers to adopt water-saving irrigation practices such as aerobic rice to maintain profitability per megalitre (ML) of water input. Irrigators require well-defined irrigation thresholds to initiate irrigation to maximise water productivity. Such thresholds do not exist for temperate rice regions. Adopting a strategy that has been reported to succeed in non-temperate environments may fail in temperate climates, and therefore, needs investigation. This study aimed to investigate, in a temperate Australian environment, the effect of increasing soil moisture deficit during the rice vegetative period on crop physiological development, grain yield and water productivity. The study was conducted in a commercial farm using a randomised complete block design in the 2020/21 and 2021/22 growing seasons. Automated gravity surface irrigation technologies were adopted to enable high-frequency irrigation. Extending soil moisture deficit beyond 15 kPa was found to significantly delay panicle initiation by at least 13–14 days, exposing rice to cold temperatures in Year 1 during the cold-sensitive early pollen microspore period. This reduced yield by up to 55% (4.5 t/ha) compared to the 15 kPa treatment that was not impacted by cold sterility. In the absence of cold sterility, irrigated water productivity and total water productivity ranged between 1.02 and 1.61 t/ML, and 0.84 and 0.93 t/ML, respectively. The highest yields (8.1 and 7.5 t/ha) were achieved irrigating at a soil tension of 15 kPa in growing seasons 2020/21 and 2021/22. This research demonstrates that sound water productivity can be achieved with aerobic rice cultivation in temperate climates, providing cold temperatures during early pollen microspore are avoided. The quantification of the delay in crop development caused by increasing soil moisture deficit provides rice farmers greater confidence in determining the irrigation strategy and timing of pre-emergent irrigation in regions at risk of cold sterility. However, due to the high labour demand associated with aerobic rice, the adoption of aerobic rice at a commercial scale in this Australian environment is unlikely without adopting automated irrigation technology.
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Cerin, Ester, Anthony Barnett, Jonathan Shaw, Erika Martino, Luke Knibbs, Rachel Tham, Amanda Wheeler, and Kaarin Anstey. "Urban Neighbourhood Environments, Cardiometabolic Health and Cognitive Function: A National Cross-Sectional Study of Middle-Aged and Older Adults in Australia." Toxics 10, no. 1 (January 7, 2022): 23. http://dx.doi.org/10.3390/toxics10010023.

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Population ageing and urbanisation are global phenomena that call for an understanding of the impacts of features of the urban environment on older adults’ cognitive function. Because neighbourhood characteristics that can potentially have opposite effects on cognitive function are interdependent, they need to be considered in conjunction. Using data from an Australian national sample of 4141 adult urban dwellers, we examined the extent to which the associations of interrelated built and natural environment features and ambient air pollution with cognitive function are explained by cardiometabolic risk factors relevant to cognitive health. All examined environmental features were directly and/or indirectly related to cognitive function via other environmental features and/or cardiometabolic risk factors. Findings suggest that dense, interconnected urban environments with access to parks, blue spaces and low levels of air pollution may benefit cognitive health through cardiometabolic risk factors and other mechanisms not captured in this study. This study also highlights the need for a particularly fine-grained characterisation of the built environment in research on cognitive function, which would enable the differentiation of the positive effects of destination-rich neighbourhoods on cognition via participation in cognition-enhancing activities from the negative effects of air pollutants typically present in dense, destination-rich urban areas.
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Qiu, Mu Qing, Xiao Bo Yao, and Li Yang. "Study on the Effect of Rice-Frog System on Controlling Agricultural Non-Point Source Pollution." Advanced Materials Research 468-471 (February 2012): 2637–40. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.2637.

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China's agricultural production in the course of a wide range of point source pollution, large and difficult to control. Symbiotic system rice-frog as a good traditional agricultural production, with outstanding ecological, economic and other values, has been identified as globally important agricultural heritage and the first to be protected. Summary of agricultural non-point source pollution in the status quo to explain the symbiotic system rice-frog to reduce agricultural nonpoint source pollution in the role, made on the basis of frog in rice paddy planting to optimize the structure, development of ecological agriculture is the agricultural non-point source pollution prevention and control an effective way.
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Bacon, PE. "The effect of nitrogen application time on Calrose rice growth and yield in south-eastern Australia." Australian Journal of Experimental Agriculture 25, no. 1 (1985): 183. http://dx.doi.org/10.1071/ea9850183.

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The effects of nitrogen application time on growth and yield of rice cv. Calrose were studied in a series of three experiments between 1976 and 1980. In one experiment, in which a combine-sown rice crop received three flood irrigations prior to permanent flood, rice plant growth and grain yield were increased significantly by reducing the interval between fertilization and permanent flood. The poor response to fertilization several irrigations prior to permanent flood was attributed to nitrogen losses following sequences of nitrification and denitrification. Maximum grain yield usually occurred when fertilizer was applied at permanent flood (average of three experiments, 860 g/m2 (8.6 t/ha). Fertilization at tiliering had little effect on crop response; average yield was 8.0t/ha, while unfertilized plots yielded 7.4 t/ha. In all experiments fertilization during the period 0- 10 days after panicle elongation resulted in very rapid nitrogen uptake, leading to an average grain yield (8.3 t/ha) which approached that obtained from plots topdressed at permanent flood. Fertilization more than 14 days after panicle elongation did not significantly increase yield.
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Beecher, H. G., B. W. Dunn, J. A. Thompson, E. Humphreys, S. K. Mathews, and J. Timsina. "Effect of raised beds, irrigation and nitrogen management on growth, water use and yield of rice in south-eastern Australia." Australian Journal of Experimental Agriculture 46, no. 10 (2006): 1363. http://dx.doi.org/10.1071/ea04136.

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To remain economically and environmentally sustainable, Australian rice growers need to be able to readily respond to market opportunities and increase cropping system productivity and water productivity. Water availability is decreasing whereas its price is increasing. Alternative irrigation layouts and water management approaches could contribute to reduced water use and increased irrigation efficiency. This paper reports results for the first crop (rice) in a cropping system experiment to compare permanent raised bed and conventional layouts on a transitional red-brown earth at Coleambally, New South Wales. The performance of conventional ponded rice grown on a flat layout was compared with rice grown on 1.84-m wide, raised beds with furrow and subsurface drip irrigation. In addition, deep and shallow ponded water depth treatments (15 and 5 cm water depth over the beds) were imposed on the rice on beds during the reproductive period. A range of nitrogen (N) fertiliser rates (0–180 kg N/ha) was applied to all treatments. The traditional flat flooded treatment (Flat) achieved the highest grain yield of 12.7 t/ha, followed by the deep (Bed 15) and shallow (Bed 5) ponded beds (10.2 and 10.1 t/ha, respectively). The furrow (Furrow) irrigated bed treatment yielded 9.4 t/ha and the furrow/drip (Furr/Drip) treatment yielded the lowest grain yield (8.3 t/ha). Grain yield from all bed treatments was reduced owing to the wide furrows (0.8 m between edge rows on adjacent beds), which were not planted to rice. Rice crop water use was significantly different between the layout–irrigation treatments. The Flat, Bed 5 and Bed 15 treatments had similar input (irrigation + rainfall – surface drainage) water use (mean of 18.3 ML/ha). The water use for the Furrow treatment was 17.2 ML/ha and for the Furr/Drip treatment, 15.1 ML/ha. Input WP of the Flat treatment (0.68 t/ML) was higher than the raised bed treatments, which were all similar (mean 0.55 t/ML). This single season experiment shows that high yielding rice crops can be successfully grown on raised beds, but when beds are ponded after panicle initiation, there is no water saving compared with rice grown on a conventional flat layout. Preliminary recommendations for the growing of rice on raised beds are that the crop be grown as a flooded crop in a bankless channel layout. This assists with weed control and allows flooding for cold temperature protection, which is necessary with current varieties. Until we find effective herbicides and other methods of weed control and N application that do not require ponding, there is little scope for saving water while maintaining yield on suitable rice soil through the use of beds.
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Stevens, M. M., S. Helliwell, and P. S. Cranston. "Larval Chironomid Communities (Diptera: Chironomidae) Associated with Establishing Rice Crops in southern New South Wales, Australia." Hydrobiologia 556, no. 1 (February 2006): 317–25. http://dx.doi.org/10.1007/s10750-005-1072-x.

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Zhang, Xianxian, Huifeng Sun, Junli Wang, Jining Zhang, Guolan Liu, and Sheng Zhou. "Effect of moisture gradient on rice yields and greenhouse gas emissions from rice paddies." Environmental Science and Pollution Research 26, no. 32 (September 14, 2019): 33416–26. http://dx.doi.org/10.1007/s11356-019-06451-w.

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Atiaga, Oliva, Luis M. Nunes, and Xosé L. Otero. "Effect of cooking on arsenic concentration in rice." Environmental Science and Pollution Research 27, no. 10 (January 16, 2020): 10757–65. http://dx.doi.org/10.1007/s11356-019-07552-2.

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Park, Woonji, Jiyeon Seo, Yonghun Choi, Gunyeob Kim, Dongkoun Yun, Wongu Jeong, and Suin Lee. "Effect of System of Rice Intensification on Water Productivity and NPS Pollution Discharge." Irrigation and Drainage 65 (October 28, 2016): 143–49. http://dx.doi.org/10.1002/ird.2086.

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Dissertations / Theses on the topic "Rice – Effect of pollution on – Australia"

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Walker, Steven James. "A re-evaluation of the skeletal abnormalities in frogs in the Adelaide Hills region." Thesis, 2000. http://hdl.handle.net/2440/110424.

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Shows that abnormal frogs representing ten species can be found in a range of habitats in the Mount Lofty Ranges, Flinders Ranges and the South East of South Australia. There appeared to be an increase in the incidence of abnormality in the polluted aquaria, but the rate of abnormality was lower than that recorded in the wild.
Thesis (M.Sc.) -- University of Adelaide, Dept. of Environmental Biology, 2000.
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Dennis, Stuart R. "Sewage effluents and oestrogenic compounds : impacts on aquatic invertebrates." Phd thesis, 2006. http://hdl.handle.net/1885/150754.

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Yen, Han-Wen, and 閻涵文. "Effect of Irrigation Water Quality on Heavy Metal Pollution of Paddy Field Soil, Heavy Metal Contents of Paddy Rice, and Low Molecular Weight Organic Acids in Rhizosphere Soil." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/19389711084147518869.

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碩士
朝陽科技大學
環境工程與管理系碩士班
98
The use of industrial or municipal wastewater to the farm land by irrigation channels causes the pollution of cultivated agricultural lands. Among various pollutants heavy metals are the most serious concerned because of their nonbiodegradable nature and potential impact on human heath. Many factories in Taiwan discharged their effluents/wastewater into drainage and supplied to the farm lands through irrigation channels, since there is no separate system for drainage and irrigation channels. It is known that soils irrigated by wastewater accumulate heavy metals such as Cd, Zn, Cu, Cr, Ni and Pb in surface soil. When the capacity of the soil to retain heavy metals is reduced due to repeated use of wastewater, soil can release heavy metals into ground water or soil solution available for plant uptake. This study describes the effect of pH changes of irrigation water on soil heavy metal pollution from industrial and municipal wastewater and subsequently the uptake of Cd, Zn, Cu, Cr, Ni and Pb heavy metals by rice plant have been investigated. In this study, soil was collected from polluted farm land which is irrigated with wastewater from industrial and urban areas. Pot experiments were conducted by growing rice plants to study the effect of pH on soil heavy metal pollution at original irrigation water pH (around at 7.0) and below original irrigation water pH (1.5 and 3.0) and found that Cd, Cr, Cu and Zn exhibit significant difference with the change of pH values. When the pH value of irrigation water is lower than original irrigation water pH, the observed concentration of heavy metals uptake by all parts of rice plant was higher. After crop production was over, the stems and leaves of the rice plants and soil were examined to determine the concentrations of heavy metals and found that cadmium was highest concentration among studied heavy metals at pH value lower than original irrigation water pH compared to other pH values. It indicates that rice plant highly uptake of cadmium from contaminated soil which is irrigated by wastewater. The results showed that the soil was affected by acidic irrigation water and uptake of the heavy metals by rice plant significantly different with the pH values. During the growth of rice plant, effect of low molecular weight organic acids on heavy metal pollution in different parts of rice plant was determined. The results showed that Cr concentration was higher in rice, the oxalic acid and glyoxylic acid concentration in soil was also higher observed. In stems of the rice plant the concentration of Cd positively correlated with the concentrations of fumaric and malic acid. Glyoxylic acid concentration in soil was correlated with the concentrations of Pb and Cr in roots of rice plant. In soil the concentration of Cu correlated with L-(+) Lactic acid concentration.
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Books on the topic "Rice – Effect of pollution on – Australia"

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Sudirja, Rija. Dampak pencemaran air buangan industri tekstil terhadap pertumbuhan dan hasil tanaman padi sawah, serta serapan beberapa unsur logam berat: Studi kasus di daerah pengairan Sungai Cikijing, Kecamatan Rancaekek, Kabupaten Bandung, Jawa Barat : laporan penelitian. Bandung: Pusat Dinamika Pembangunan, Universitas Padjadjaran, 1999.

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Crowley, Brian. Hotting up: How the greenhouse effect and ozone depletion will change Australia during the next 40 years. South Melbourne: Matchbooks, 1989.

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R, Jaagumagi, and Ontario. Ministry of the Environment., eds. Otonabee River - Rice Lake sediment and biomonitoring study 1996. [Peterborough, ON]: Ministry of the Environment, 1999.

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A Summary of air pollution prevention regulations in effect in Australia and New Zealand in June 1990. [Eastwood, NSW, Australia]: Clean Air Society of Australia and New Zealand, 1990.

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Deadly Enemies: Tobacco and Its Opponents in Australia. New South Wales Univ Pr Ltd, 2000.

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Book chapters on the topic "Rice – Effect of pollution on – Australia"

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Dahlan, Irvan, and Sariyah Mahdzir. "Adsorption of Dyes in Aqueous Medium Using RHA and CFA." In Handbook of Research on Resource Management for Pollution and Waste Treatment, 458–75. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0369-0.ch019.

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The preparation of adsorbent from the mixture of rice husk ash (RHA) and coal fly ash (CFA) has been investigated for adsorption of acid violet 7 (AV7) and brilliant green (BG) dyes. The RHA-CFA adsorbents were prepared using three different methods, i.e. reflux, magnetic co-precipitation, and magnetic template. Five different additives were used in reflux method. The results showed that RHA-CFA adsorbent prepared through reflux methods using NaOH and Na2CO3 shows higher dyes adsorption removal as compared to other methods. From zeta potential analysis, the electric charge of the outer layer of prepared adsorbent shows no effect towards adsorption of AV7 and BG dyes. By using a 3-factor, 3-level factorial design, the relationship between all variables was studied. From the response surface models, the optimum adsorbent preparation variables could be obtained by using RHA-CFA adsorbent prepared by refluxing 3:1 ratio of RHA to CFA in 1.21 M NaOH solution. The results indicated that the optimized values agree reasonably well with the validated experimental results.
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Conference papers on the topic "Rice – Effect of pollution on – Australia"

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Hermon, K., G. Allinson, P. Maher, F. Stagnitti, and R. Armstrong. "Effect of recycled water on the soil physical-chemical properties of four vineyards in Great Western, Victoria, Australia." In WATER POLLUTION 2008. Southampton, UK: WIT Press, 2008. http://dx.doi.org/10.2495/wp080581.

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Gordillo, Gerardo, and Maria C. Mendez. "Rice Husk Gasification Using N2 and Air-Steam for Partial Oxidation." In ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ht2012-58386.

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The concern for the reduction of the environmental impact caused by greenhouse emissions (CO2) from fossil fuel combustion processes is growing around the world. This has increased research on new energy technologies to produce clean fuels. One of them is the use of biomass as feedstock in gasification processes. The rice agriculture industry around the world produces a great amount of rice husk wastes (RHW) which show the potential for water, soil, and air pollution (including global warming by way of potent greenhouse emissions such as CH4) since waste handling system and structures for storage and treatment frequently are not appropriate. However, the concentration of the rice husk in industrial units makes this low Btu feedstock a viable source for locally based thermal gasification. The current paper presents results on both HRW adiabatic gasification modeling using air-steam blends for partial oxidation and pyrolysis kinetic model to determine, by thermogravimetric analysis (TGA), the RHW activation energy (E). The Chemical Equilibrium with Applications program (CEA), developed by NASA, was used to estimate the effect of both the equivalence ratio (ER) and the steam to fuel ratio (S:F) on adiabatic temperature, gas quality (gas composition and energy density), and energy recovery of an unlimited number of species (∼150). The thermogravimetric analysis (TGA) was carried out using N2 as carrier gas and under different heating rates (β: 10, 20, 40, and 50 °C/min). Furthermore, the activation energy (E) was estimated based in the results from TGA and using the isoconversional method (i.e., free-model). In general, for the range of parameters studied (0.2 < S:F < 0.8 and 1.5 < Φ < 6), the results from equilibrium adiabatic modeling (CEA) showed that increased ER and (S:F) ratios increase the production of H2 and CO2 but decrease the production of CO. Equilibrium temperature decreases with increased ER until ER = 3.0 whereas at ER > 3.0, the effect of ER on equilibrium temperature is negligible. Also, the activation energy average value, estimated from the kinetics model, results to be 233 kJ/kmol.
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Rampure, Prasad Baburao, and C. Venkataramana Reddy. "Performance Analysis of Rice Bran Oil [Non-Edible] as Alternative Fuel for D I Engines." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62186.

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The economic growth of any country is determined by the natural resources it possesses and the fuel that it has. The rate of growth of any country is mostly directly proportional to the amount of fuel it possesses. Fossil fuels are important resources those have helped in the rapid industrialization of the world and thus to the increase in the quality of life. However, due to the threat of supply instabilities and the effect of green house gases caused by internal combustion engines have received more and more interests in the use of alternative fuel. The study deals with the experimental investigation and the performance analysis of rice bran oil (non edible) a straight vegetable oil (SVO] and its blends with diesel for different injector opening pressure by using DI diesel engines. Most of the published work using rice bran oil in diesel engine was carried out without changing injector opening pressure and static injection timing. The observations of the investigation are of the following performance parameters: 1. Specific Fuel Consumption - Diesel vs rice bran oil. 2. Optimum Air Fuel ratios. 3. Study of exhaust gases in line with the specifications of Indian pollution norms. 4.Techno-Commercial considerations in the modification of engine if required. Experiments were conducted by blending diesel with rice bran oil in various proportions and with varying loads. Studies have found that the use of blends of more viscous rice bran oil and Diesel in various percentages result in the decrease of the Specific fuel consumption (SFC) while the use of 100% rice bran oil results in the marginally higher Specific fuel consumption than Diesel. Further studies are on for other parameters.
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