Relevant bibliographies by topics / Flame weeding

Academic literature on the topic 'Flame weeding'

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Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Flame weeding"

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Rajković, Miloš, Goran Malidža, Mirela Tomaš Simin, Dragan Milić, Danica Glavaš-Trbić, Maja Meseldžija, and Sava Vrbničanin. "Sustainable Organic Corn Production with the Use of Flame Weeding as the Most Sustainable Economical Solution." Sustainability 13, no. 2 (January 9, 2021): 572. http://dx.doi.org/10.3390/su13020572.

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Flame weeding is an alternative method of weed control. Essentially, it is a supplement to other physical and mechanical processes used in organic production. Weed control costs have a large share of the total cost of crop production. This study aimed to investigate hand weed hoeing’s cost-effectiveness, accompanied by inter-row cultivation and flame weeding applied in organic maize production using two different machines to determine the economically best solution. For this purpose, the prototype flame weeder and commercial flame-weeding machinery were used. Designed primarily for smaller fields, the prototype flame weeder was equipped with a cultivator and a 70 kg propane bottle. Commercial Red Dragon flame weeder, fitted with an 800 kg propane tank and featuring no cultivation implements, is designed for larger areas. The analysis has shown that hand hoeing produced a higher yield (8.3 t/ha in total), but it contributed significantly to the production costs. The costs per hectare decreased when the prototype flame weeder and the commercial Red Dragon flame weeder were used compared to hand hoeing. More beneficial economic impacts were recorded when the prototype flame weeder was used (489.39 €/ha) than in applying the Red Dragon flame weeder (456.47 €/ha). The efficacy of flame weeding is somewhat limited and could be enhanced by additional hand hoeing, if the effect of the machine in terms of weeding is observed. However, the analysis has shown that, in this case, investments in additional hand hoeing are not economically justified because the operating costs incurred therein (168 €/ha) were not met by a yield increase of 500 kg/ha, i.e., a surplus revenue of 100 €/ha. Moreover, the economic impacts of flame weeding would be considerably more significant in larger fields.
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Rajković, Miloš, Goran Malidža, Mirela Tomaš Simin, Dragan Milić, Danica Glavaš-Trbić, Maja Meseldžija, and Sava Vrbničanin. "Sustainable Organic Corn Production with the Use of Flame Weeding as the Most Sustainable Economical Solution." Sustainability 13, no. 2 (January 9, 2021): 572. http://dx.doi.org/10.3390/su13020572.

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Flame weeding is an alternative method of weed control. Essentially, it is a supplement to other physical and mechanical processes used in organic production. Weed control costs have a large share of the total cost of crop production. This study aimed to investigate hand weed hoeing’s cost-effectiveness, accompanied by inter-row cultivation and flame weeding applied in organic maize production using two different machines to determine the economically best solution. For this purpose, the prototype flame weeder and commercial flame-weeding machinery were used. Designed primarily for smaller fields, the prototype flame weeder was equipped with a cultivator and a 70 kg propane bottle. Commercial Red Dragon flame weeder, fitted with an 800 kg propane tank and featuring no cultivation implements, is designed for larger areas. The analysis has shown that hand hoeing produced a higher yield (8.3 t/ha in total), but it contributed significantly to the production costs. The costs per hectare decreased when the prototype flame weeder and the commercial Red Dragon flame weeder were used compared to hand hoeing. More beneficial economic impacts were recorded when the prototype flame weeder was used (489.39 €/ha) than in applying the Red Dragon flame weeder (456.47 €/ha). The efficacy of flame weeding is somewhat limited and could be enhanced by additional hand hoeing, if the effect of the machine in terms of weeding is observed. However, the analysis has shown that, in this case, investments in additional hand hoeing are not economically justified because the operating costs incurred therein (168 €/ha) were not met by a yield increase of 500 kg/ha, i.e., a surplus revenue of 100 €/ha. Moreover, the economic impacts of flame weeding would be considerably more significant in larger fields.
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Gill, J., C. Laguë, N. Lehoux, G. Péloquin, J. Coulombe, and S. Yelle. "Propane Burner Characterization for Thermal Weeding." HortScience 30, no. 4 (July 1995): 819E—819. http://dx.doi.org/10.21273/hortsci.30.4.819e.

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To develop new alternatives to chemical pesticides in agriculture, a research program was elaborated on the use of propane flamers for weed control. One part of this project is the evaluation of different propane burners commercially available. We measured the temperature distribution within the burner flames and the fuel consumption of three different types of burner. Flame characterization allowed for the selection of appropriate burners and settings for specific applications. We also investigated the effect of preemergence thermal weeding on crop establishment for 10 different crops. The use of flaming in preemergence of crops is an effective method for controlling weeds, especially for younger and broadleaf weeds. Depending on the crop, thermal weeding can affect the emergence rate when applied just before seedling emergence.
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Cisneros, Juan Jose, and Bernard H. Zandstra. "Flame Weeding Effects on Several Weed Species." Weed Technology 22, no. 2 (April 2008): 290–95. http://dx.doi.org/10.1614/wt-07-113.1.

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Frasconi, Christian, Luisa Martelloni, Marco Fontanelli, Michele Raffaelli, Paolo Marzialetti, and Andrea Peruzzi. "Thermal Weed Control in Photinia x fraseri “Red Robin” Container Nurseries." Applied Engineering in Agriculture 33, no. 3 (2017): 345–56. http://dx.doi.org/10.13031/aea.11529.

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Abstract. A near-zero tolerance policy on weeds by markets for nursery crops calls for weed-free container-grown plants, and forces growers to frequently remove weeds. Thermal weed control could represent a novel method to control weeds in shrubs from container nurseries, thus avoiding the use of herbicides and mulches. The aims of this study were to develop custom-built machinery for thermal weed control in container nurseries and to test the weed control efficiency of flame weeding and steaming in Photinia x fraseri “Red Robin” containers. A liquefied petroleum gas (LPG) fed flamer and a steamer with a dedicated diffuser were built. Four treatments were applied for a total period of 24 months: steaming once every four months, steaming once every two months, flame weeding once every two months or once a month. Temperature values measured at different depths in the substrate after thermal applications were recorded and analyzed. Photinia x fraseri features (height, diameter, and dry biomass) and aesthetic parameters as affected by thermal treatments were also evaluated. The trend in temperature values of the substrate over time followed a two-phase exponential decay. All the thermal treatments lead to a continuous near-100% weed control level, which is the level required by growers for aesthetic reasons. No damages caused by heat on Photinia x fraseri were observed. Container nursery producers could thus adopt thermal methods as a substitute for chemical solutions for weed control management. Keywords: Container nurseries, ornamental plant production, Thermal weed control, Flame weeding, Steaming, Photinia x fraseri “Red Robin”, Two-phase temperature decay model.
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Abou Chehade, Lara, Marco Fontanelli, Luisa Martelloni, Christian Frasconi, Michele Raffaelli, and Andrea Peruzzi. "Effects of Flame Weeding on Organic Garlic Production." HortTechnology 28, no. 4 (August 2018): 502–8. http://dx.doi.org/10.21273/horttech04081-18.

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A lack of efficient machines and strategies for cropping practices are still problems on small farms and in difficult landscapes, especially in organic crop production. The aim of this study was to develop a new weed control strategy for a typical organic garlic (Allium sativum) grown in Liguria, Italy. Flaming was proposed as an additional tool for the physical weed control program. A field experiment was conducted to test the effects of different flaming doses and timing on weed control and garlic production. The treatments consisted of a broadcast flaming at 16, 22, 37, and 112 kg·ha−1 of liquefied petroleum gas (LPG) at three different crop growth stages—emergence (BBCH 9), three to four leaves (BBCH 13) and six to seven leaves (BBCH 16)—once (at each growth stage separately), twice (at BBCH 9 and BBCH 13, BBCH 9 and BBCH 16, and BBCH 13 and BBCH 16 stages) or three times (all stages combined). Treatments were compared with a weedy control and hand weeding. One flaming treatment was effective in controlling weeds during the growing season. Frequent flaming treatments did not further reduce the weed biomass measured at harvest. A higher production than the weedy control, in terms of the number of marketable bulbs and yield, was obtained for all the flaming interventions carried out at more than 16-kg·ha−1 LPG dose. Garlic flamed once at BBCH 13 at any LPG dose or three times at more than 16 kg·ha−1 led to a comparable number of bulbs as hand weeding. Three flamings at an LPG dose of 22 kg·ha−1 also gave a statistically similar yield to hand weeding. In general, garlic was shown to tolerate up to three flaming treatments without a decline in the production. The decline in yield compared with hand weeding could be offset by the economical savings of the mechanization process and by integrating flaming with other mechanical tools used for weed management.
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Ascard, J. "Flame weeding: effects of fuelpressure and tandem burners." Weed Research 37, no. 2 (October 1996): 77–86. http://dx.doi.org/10.1046/j.1365-3180.1996.d01-5.x.

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Sivesind, Evan C., Maryse L. Leblanc, Daniel C. Cloutier, Philippe Seguin, and Katrine A. Stewart. "Weed Response to Flame Weeding at Different Developmental Stages." Weed Technology 23, no. 3 (September 2009): 438–43. http://dx.doi.org/10.1614/wt-08-155.1.

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Flame weeding is often used for weed control in organic production and other situations where use of herbicides is prohibited or undesirable. Response to cross-flaming was evaluated on five common weed species: common lambsquarters, redroot pigweed, shepherd's-purse, barnyardgrass, and yellow foxtail. Dose-response curves were generated according to species and growth stage. Dicot species were more effectively controlled than monocot species. Common lambsquarters was susceptible to flame treatment with doses required for 95% control (LD95) ranging from 0.9 to 3.3 kg/km with increasing maturity stage. Comparable levels of control in redroot pigweed required higher doses than common lambsquarters, but adequate control was still achieved. Flaming effectively controlled shepherd's-purse at the cotyledon stage (LD95 = 1.2 kg/km). However, the LD95 for weeds with two to five leaves increased to 2.5 kg/km, likely due to the rosette stage of growth, which allowed treated weeds to avoid thermal injury. Control of barnyardgrass and yellow foxtail was poor, with weed survival > 50% for all maturity stages and flaming doses tested. Flame weeding can be an effective and labor-saving weed control method, the extent of which is partially dependent on the weed flora present. Knowledge of the local weed flora and their susceptibility to flame weeding is vital for the effective use of this method.
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Malencic, Djordje, Goran Malidza, Milos Rajkovic, Biljana Kiprovski, Simonida Djuric, Kristina Petrovic, and Jovana Krstic. "Flame-weeding: Impact on soybean plants and soil microorganisms." Zbornik Matice srpske za prirodne nauke, no. 139 (2020): 51–60. http://dx.doi.org/10.2298/zmspn2039051m.

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Flame-weeding is a very useful method for weed control, especially in organic production where the use of herbicides is prohibited. With this method heat sup?presses weeds in row within a second. Apart from this, heat also affects growing crop plants and surrounding soil. The aim of this paper was to determine the effect of different propane doses, on photosynthetic and polyphenolic (total flavonoids and anthocy?nins) pigments in soybean leaves, as well as the number of microorganisms in the soil. Soybean plants exposed to flame showed a different reaction to high temperature stress, which was reflected in differ?ent content of analyzed biochemical parameters, but the most responsive were anthocyanins. Actinomycetes turned out to be the most sensitive group of soil microorganisms affected by weed flaming, while fungi were the most tolerant.
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Martelloni, Luisa, Christian Frasconi, Marco Fontanelli, Michele Raffaelli, and Andrea Peruzzi. "Mechanical weed control on small-size dry bean and its response to cross-flaming." Spanish Journal of Agricultural Research 14, no. 1 (March 2, 2016): e0203. http://dx.doi.org/10.5424/sjar/2016141-7976.

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Dry bean (<em>Phaseolus vulgaris </em>L.) can be a profitable crop for farmers; however controlling weeds effectively without a decrease in yield remains a problem. An example where mechanical weed control is difficult to conduct is dry bean ‘Toscanello’, which is a small sized high-income niche product growing low to the ground. Concerning intra-row weed control, also flame weeding could be an opportunity but the dry bean heat tolerance needs to be studied. The aims of this research were to study the weed control efficacy of a spring-tine harrow and an inter-row cultivator in this bean variety, and to test the tolerance of dry bean cultivated under weed-free conditions to cross-flaming applied with different liquefied petroleum gas (LPG) doses. Flame weeding was applied at BBCH 13 and BBCH 14 bean growth stages by pairs of burners producing direct double flame acting into the intra-row space, with bean plants placed in the middle. The results suggest that the spring-tine harrow used two times at BBCH 13 and 14, respectively, lead to a yield similar to that of the weedy control. The inter-row cultivator could be an opportunity for small-sized dry bean crops producers, enabling them to obtain a similar yield compared to the hand-weeded control. Concerning the bean tolerance to cross-flaming<em> </em>the results showed that bean flamed at BBCH 13 stage had little tolerance to cross-flaming. Bean flamed at BBCH 14 stage was tolerant until an LPG dose of 39 kg/ha, giving yield responses similar to those observed in the non-flamed control.
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Dissertations / Theses on the topic "Flame weeding"

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de, Rooy S. C. "Improved efficiencies in flame weeding." Lincoln University, 1992. http://hdl.handle.net/10182/18.

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Possible areas of improving the efficiencies of the Lincoln University flame weeder are identified and investigated. The Hoffmann burner initially used in the Lincoln University flame weeder was found not to entrain sufficient air to allow complete combustion of the LPG used. A new burner, the Modified Lincoln University burner, was designed to improve the entrainment of air. Results show that the new design entrained sufficient air to theoretically allow complete combustion of the LPG, and this resulted in a 22.7% increase in heat output per Kg of LPG used over the Hoffmann burner. Temperature x time exposure constants required to kill weeds 0 - 15, 15 - 30, and 30 - 45 mm in size, were found to be respectively 750, 882, and 989 degrees Celsius.Seconds. These constants can be used to calculate the maximum speed of travel an operator can use a flame weeder at, once the temperature profile underneath its shields are established at various travel speeds, and therefore ensure that the flame weeder is used at its maximum efficiency. The constants can also be used to establish the cost efficiency of any flame weeder (in $/Ha), depending on the size of the weeds to be treated. The materials and methods used in establishing the temperature x time exposure constants can be used to establish the temperature x time exposure constant of any weed species at any size.
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Sivesind, Evan. "Selective flame weeding in vegetable crops." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=95016.

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Flame weeding is a thermal weed control method that controls weeds through the application of extremely high temperatures. Field experiments were conducted from 2005 to 2007 to determine weed and crop tolerance to flame weeding and to investigate effects on plant development, crop yield, and crop quality. Dose-response curves were constructed for weeds common to horticultural fields in Québec. Flame weeding was more effective in controlling dicot weeds than monocot weeds. Flame doses that reduced common lambsquarters density by 95% (LD95) ranged from 0.83 to 2.85 kg propane km-1 for plants at the cotyledon through the 6-leaf growth stage. LD95 values for redroot pigweed ranged from 1.19 to 2.72 kg propane km-1 for plants at the cotyledon through the 4-leaf growth stage. In shepherd's-purse, LD95 values for weeds at the cotyledon and the 2- to 5-leaf growth stage were 1.15 and 2.78 kg propane km-1, respectively. Control of monocot weeds was poor, with survival greater than 50% for all flame doses evaluated. Onion and broccoli were tolerant of a single flame weeding treatment, with yield losses observed only when flamed within 20 days after transplantation (DAT). Among weed-free treatments, onion was able to withstand up to six flame treatments without any detectable loss in yield. However, flame treatments alone were not able to provide sufficient weed control to maintain yields. Flame weeding had minimal effects on time to reach maturity, leaf and bulb development, pungency or quercetin concentration in onion. Broccoli tolerated up to four flame treatments in weed-free plots without yield reductions. Flame-only treatments had lower yields than the flamed, weed-free treatments in one of two years. Flame treatments had limited effects on the number of days to maturity, leaf development, and glucoraphanin concentration in broccoli. Yield losses in spinach and beets were observed when flamed at both the 4- and 6-leaf growth stages; however, no adverse
Le pyrodésherbage est une technique de contrôle des adventices qui utilise l'application de températures extrêmement élevées. Des expériences on été menées de 2005 à 2007 pour déterminer la tolérance au pyrodésherbage des adventices et de différentes cultures maraîchères et pour évaluer les effets sur le rendement, le développement et la qualité des cultures. Des courbes de réponses au pyrodésherbage ont été construites pour certaines adventices communes au Québec. La technique a contrôlé plus efficacement les dicotylédones que les monocotylédones. Les doses de pyrodésherbage qui ont réduit le chénopode blanc de 95% (DL95) variaient de 0,83 à 2,85 kg propane km-1 pour les stades de croissance variant de cotylédons à 6 feuilles déployées. Les DL95 pour l'amarante à racine rouge se situaient entre 1,19 et 2,72 kg propane km-1 pour les stades de croissances variant de cotylédons à 4 feuilles déployées. Pour la bourse à pasteur, ces valeurs se situaient à 1,15 et 2,78 kg propane km-1 pour les stades de cotylédons et 2 à 5 feuilles déployées, respectivement. L'oignon et le brocoli ont toléré le pyrodésherbage; des pertes de rendements n'ont été observées que lorsque le traitement était effectué moins de 20 jours après transplantation. Dans les traitements sans adventices, l'oignon a été capable de résister jusqu'à six traitements de pyrodésherbage sans baisse observable de rendement. Toutefois, le pyrodésherbage seul a été insuffisant pour permettre un contrôle des adventices suffisant à maintenir le rendement. Le pyrodésherbage a eu un effet mineur sur la précocité, le développement des feuilles et du bulbe, l'âcreté ou la concentration de quercétine dans le bulbe. Le brocoli a été capable de résister jusqu'à 4 traitements de pyrodésherbage sans baisse observable de rendement dans les parcelles sans adventices. Les traitements incluant seulement le pyrodésherbage ont eu un rendement inf
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Ghantous, Katherine M. "Use of flame cultivation as a nonchemical weed control in cranberry cultivation." 2013. https://scholarworks.umass.edu/dissertations/AAI3603087.

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Cranberry (Vaccinium macrocarpon Ait.) is a woody perennial crop that can remain productive for decades. Competition for resources between cranberries and weeds can depress cranberry farm yields, resulting in large annual crop losses. Renewed interest in reducing chemical inputs into cranberry systems has provided the motivation to evaluate methods, such as flame cultivation (FC), as potential nonchemical options for weed control. Also known as thermal weeding, FC exposes plants to brief periods of high temperature that causes the water in the plant tissue to expand rapidly, rupturing plant cells and leading to necrosis. Various FC methods have been used successfully in annual crops as both a preemergence and postemergence weed control, but few scientific reports have been published on the use of FC on perennial weeds in a woody perennial crop system. Dewberry (Rubus spp.), sawbrier (Smilax glauca), and common rush (Juncus effusus ) are cranberry weeds that are difficult to control, spread quickly and can cause significant crop loss. Flame cultivation may be an effective non-chemical means for controlling these weeds in cranberry systems. FC would ideally be used as a spot treatment for weeds growing in the cranberry canopy, as well as on larger non-production areas where cranberry vines are not as abundant, such as bog edges, ditches, and dikes. Using FC to treat weeds within the cranberry canopy will likely cause localized damage to cranberry plants immediately surrounding the weeds, thus cranberry response to FC is also of interest. The following experiments were designed to examine the response of weeds and cranberry plants to FC. Perennial plants rely on reserves of nonstructural carbohydrates (NSC) for growth and survival, thus the efficacy of FC treatments to weeds will likely be impacted by the timing and frequency of treatments as they relate to the specific carbohydrate cycles of targeted weeds, such as dewberry. An additional experiment studied the seasonal fluctuations of NSC in dewberry roots. Cranberry growers were also surveyed on their past experiences with FC, as well as their willingness to adopt FC if proven an effective method for controlling weeds.
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De, Rooy S. C. "Improved efficiencies in flame weeding : a thesis prsented [i.e. presented] in fulfilment of the requirements for the degree of Master of Agricultural Science in the Department of Natural Resources Engineering at Lincol [i.e. Lincoln] University, Canterbury, New Zealand /." 1992. http://hdl.handle.net/10182/18.

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Books on the topic "Flame weeding"

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Weeden, Howard. Lost writings of Howard Weeden as "Flake White". Huntsville, AL: Big Spring Press, 2005.

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Book chapters on the topic "Flame weeding"

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Leroux, Gilles D., Jocelyn Douhéret, and Martin Lanouette. "Flame Weeding in Corn." In Physical Control Methods in Plant Protection, 47–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04584-8_3.

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Knezevic, Stevan Z. "Flame weeding techniques." In Integrated weed management for sustainable agriculture. Burleigh Dodds Science Publishing, 2017. http://dx.doi.org/10.19103/as.2017.0025.16.

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Leroux, Gilles. "Flame Weeding in Corn." In Encyclopedia of Pest Management (Print). CRC Press, 2002. http://dx.doi.org/10.1201/noe0824706326.ch117.

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Conference papers on the topic "Flame weeding"

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Mohammad Loghavi and Reihaneh Loni. "Comparison of Uniform and Targeted Discrete-Flame Weeding Methods for Inter-row Weed Control in Maize Planting." In 2012 Dallas, Texas, July 29 - August 1, 2012. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2012. http://dx.doi.org/10.13031/2013.42005.

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MORETTO, FILIPPO, and DAVIDE DI DOMENICO. "SUSTAINABLE URBAN WEED CONTROL: EXPERIENCES OF NON-CHEMICAL WEED CONTROL (MANUAL LABOUR, MECHANICAL AND THERMAL-FLAME WEEDING) IN THE MUNICIPALITY OF OCCHIOBELLO, ITALY." In SUSTAINABLE DEVELOPMENT AND PLANNING 2017. Southampton UK: WIT Press, 2017. http://dx.doi.org/10.2495/sdp170651.

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