Academic literature on the topic 'Weed check and Weed free'

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Journal articles on the topic "Weed check and Weed free"

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Singh, Gurpreet, Hemraj Meena, Ramanjot Kaur, and Jayesh Garg. "Weed-Crop Competition and its Effect on the Productivity of Gobhi Sarson (Brassica napus L.)." Journal of Experimental Agriculture International 47, no. 7 (2025): 419–25. https://doi.org/10.9734/jeai/2025/v47i73582.

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Gobhi sarson suffer more from weed competition in early growth stage for light, water and nutrient including CO2. Heavy weed growth is a major recognized bottleneck in realizing the yield potential of Gobhi sarson. Weeds appear to be most serious menace in crop production due to their extensive losses. A field experiment was conducted during the Rabi season of session 2023-24 at the Agricultural Research Farm, School of Agricultural Sciences and Technology, RIMT University, Mandi Gobindgarh, Punjab. The experiment was laid out in Randomized Block Design (RBD) with eight treatments in three rep
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Mubeen, Khuram, Muhammad Shehzad, Naeem Sarwar, et al. "The impact of horse purslane (Trianthema portulacastrum L.) infestation on soybean [Glycine max (L.) Merrill] productivity in northern irrigated plains of Pakistan." PLOS ONE 16, no. 9 (2021): e0257083. http://dx.doi.org/10.1371/journal.pone.0257083.

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Horse purslane (Trianthema portulacstrum L.) is an important weed of soybean crop capable of causing significant yield reduction. Therefore, this study assessed the impact of horse purslane and other weeds’ infestation on the productivity of soybean. Ten treatments, i.e., weed-free throughout the growing season, horse purslane-free till 20, 40 and 60 days after emergence (DAE), all weeds-free till 20, 40 and 60 DAE, weedy-check (excluding horse purslane), weedy-check (horse purslane alone) and weedy-check (all weeds) were included in the study. Data relating to density and dry weight of record
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Thesiya, N. M., H. P. Dholariya, J. V. Varsani, and H. M. Virdia. "Evaluation of Critical Period of Crop Weed Competition for Enhanced Weed Management and Yield of Summer Pearl Millet." International Journal of Plant & Soil Science 36, no. 10 (2024): 239–47. http://dx.doi.org/10.9734/ijpss/2024/v36i105071.

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The field experiment was conducted at Instructional farm of Department of Agronomy, Navsari Agriculture University, Navsari during summer season of 2021 to 2023 to study critical crop-weed competition in summer pearl millet. There were 10 treatments comprising of initial weed free periods of 10, 20, 30 and 40 days after sowing (DAS) and weedy 10, 20, 30 and 40 DAS along with weedy till harvest (un-weeded check) and weed free till harvest (weed free check), were replicated thrice in the randomized block design. Results revealed that maintaining a weed-free condition from 20 to 40 DAS significan
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Habib, Rehan, Khuram Mubeen, Ammar Matloob, and Muhammad Baqir Hussain. "INTERFERENCE OF HORSE PURSLANE (Trianthema portulacastrum L.)ON GROWTH AND YIELD OF SOYBEAN[Glycine max (L.) Merr.]." JOURNAL OF WEED SCIENCE RESEARCH 27, no. 2 (2020): 61–73. http://dx.doi.org/10.28941/pjwsr.v26i1.830.

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Horse purslane is one of the most spreading and problematic weed in Pakistan’s Punjab region during summer. A field experiment to check the interference of horse purslane (Trianthema portulacastrum L.) on growth and yield of soybean was conducted at research area of MNSUniversity of Agriculture Multan in summer, 2018 The experiment was carried out in Randomized Complete Block Design (RCBD) having three replications and comprising of ten treatments i.e. Weed free (whole season), horse purslane free till 20 Days after emergence (DAE), horse purslane free till 40 DAE, horse purslane free till 60
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Shahabuddin, M., MM Hossain, M. Salim, and M. Begum. "Efficacy of pretilachlor and oxadiazon on weed control and yield performance of transplant Aman rice." Progressive Agriculture 27, no. 2 (2016): 119–27. http://dx.doi.org/10.3329/pa.v27i2.29320.

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Two experimentswere carried out at the Agronomy Field laboratory, Bangladesh Agricultural University, Mymensingh during July to December 2014 to study the effectiveness of pretilachlor and oxadiazon on weed control and yield performance oftransplant aman rice. In experiment I BRRI dhan31and in experiment II BRRI dhan46 was transplanted with eight weeding practices viz., weedy check; one hand weeding; two hand weeding; weed free;Pretilachlor only;Oxadiazon only;Pretilachlor + one hand weeding; and Oxadiazon+ one hand weeding. The design was split-plot with three replications. Eleven weed specie
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R. T. Suryawanshi, M. G. Gavit, K. K. Barhate, and V. Y. Pawar. "Effect of Weed Control Measures on Weed and Yield of Pearl Millet (Pennisuteum glaucum L.)." Journal of Agriculture Research and Technology 49, no. 01 (2024): 182–85. https://doi.org/10.56228/jart.2024.49126.

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A field experiment was Carried out during rainy (Kharif) season 2018 to 2020 in medium black soil at the ICAR-AICRP on Pearl millet, College of Agriculture, Dhule, Maharashtra to identify the effective weed control measures to manage weeds and increase yield of pearl millet (Pennisutem glaucum L.) with pre emergence application (PE) of atrazine @ 0.4 kg a. i. ha-1 followed by one weeding at 3-4 week after sowing, four levels of post emergence application of tembotrione (42% SC @ 90,100,110,and 120 gm a.i. ha-1 respectively) at 3-4 leaf stage of weeds. Eight treatment combinations were laid out
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Bizualew, Zenebech, Getachew Mekonnen, and Getahun Alemayehu. "Determination of Critical Period of Weed-Crop Competition in Malt <i>Barley</i> (Hordeum <i>vulgare </i>L.) in North Showa Zone, Central Ethiopia." Journal of Plant Sciences 12, no. 6 (2024): 228–43. https://doi.org/10.11648/j.jps.20241206.17.

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Weeds are the principal limiting biological factor in national barley production, with losses that vary from region to region, depending on the cultivation system, predominant weed communities and weed control methods employed by the farmers. Therefore, field experiment was conducted under rain fed conditions in 2017 cropping season to determine the critical period of Weed-Crop Competition in malt barely (Hordeum vulgareL.) at Debre Birhan University in North Showa Zone, Central highlands of Ethiopia. A total of eighteen treatments were laid out in a randomized complete block design (RCBD) wit
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Kharwal, Nitesh, and Deependra Yadav. "Effect of Integrated Weed Management Practices on Growth and Yield of Green Chilli (Capsicum annum L.)." International Journal of Plant & Soil Science 35, no. 18 (2023): 1763–70. http://dx.doi.org/10.9734/ijpss/2023/v35i183456.

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Weed infestation in chilli production, especially during early growth stages, is a major constraint leading to significant yield loss. Effective weed management during this critical phase is crucial for maximizing chilli crop productivity. Keeping this in view a field experiment was conducted at the research farm of Abhilashi University, Mandi (H.P) during the Kharif season of 2022-23. The main objective was to assess the impact of various integrated weed management strategies on the growth and yield of green chilli crops. The experiment consisted of seven treatments with control, laid out in
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Abbas, Rana Nadeem, Asif Iqbal, Muhammad Aamir Iqbal, et al. "Weed-Free Durations and Fertilization Regimes Boost Nutrient Uptake and Paddy Yield of Direct-Seeded Fine Rice (Oryza sativa L.)." Agronomy 11, no. 12 (2021): 2448. http://dx.doi.org/10.3390/agronomy11122448.

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Under the changing climate, fertilization regimes and weed infestation management in aromatic direct-seeded fine rice (DSR) remain vital for curbing environmental hazards and ensuring food security. A multi-year field study was undertaken to appraise the influence of fertilization techniques and weed-free periods on weed dynamics, nutrient uptake and paddy yield in a semi-arid environment. Treatments included two fertilization methods (broadcasting and side placement) and five weed-free durations (20, 30, 40, 50 post-seeding days, DAS) along with a weed-free crop for a whole season. Weed compe
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Parshad, Jagdish, Dharam Bir Yadav, Satbir Singh Punia, Kuldeep Singh, and Baljeet Singh. "Assessment of soil micro flora in rice-wheat cropping system through continuous and rotational herbicide applications." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 17, no. 2 (2021): 455–61. http://dx.doi.org/10.15740/has/ijas/17.2/455-461.

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A long term experiment was conducted at CCS Haryana Agricultural University, Regional Research Station, Uchani (Karnal), India. Assessment of fix and rotational herbicides with and without green manure on the microbial population were studied in wheat crop during 2017-18. The treatments included fix/continuous herbicide (Clodinafop) and rotational herbicide (Sulfosulfuron) to control weeds along with weed free and weedy checks. Rhizosphere samples of wheat were collected from different plots of fixed and rotational herbicides treated soil to assess the total bacterial count, phosphate solubili
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Dissertations / Theses on the topic "Weed check and Weed free"

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Chadbourne, Erin. "Effect of selected postemergence herbicides on glyphosate-resistant soybean growth, development, and yield under weed-free conditions." OpenSIUC, 1999. https://opensiuc.lib.siu.edu/theses/1602.

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Gillespie, Scott. "Weed management in reduced-input no-till flax production." Thesis, 2006. http://hdl.handle.net/1993/278.

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The goal of the project was to enhance the period of weed growth prior to seeding in order to reduce weed emergence and weed competition after the crop has been planted. Weed growth was stimulated using either light tillage or by applying nitrogen fertilizer early in the spring. Light disturbance significantly increased pre-seed weed emergence while early applied nitrogen did not appear to have an effect. Post seeding weed emergence levels and weed biomass were similar among the light tillage and early nitrogen treatments. Therefore the goal of decreasing weed competition after seeding was not
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Books on the topic "Weed check and Weed free"

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United States. Forest Service. Intermountain Region, ed. Nevada's weed free forage certification program. USDA Forest Service, Intermountain Region, 2003.

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United States. Forest Service. Intermountain Region, ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2001.

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United States. Forest Service. Intermountain Region., ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2001.

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United States. Forest Service. Intermountain Region., ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2001.

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United States. Forest Service. Intermountain Region, ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2001.

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United States. Forest Service. Intermountain Region., ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2001.

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United States. Forest Service. Intermountain Region., ed. Humboldt-Toiyabe NF's weed free forage requirements. 2nd ed. US Dept. of Agriculture, Forest Service, Intermountain Region, 2003.

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United States. Bureau of Land Management., ed. Stop the cycle of noxious weeds: Always check your tires, clothing, pets, boots, and gear for unwanted weed seeds and plant parts .... Bureau of Land Management, 1999.

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United States. Bureau of Land Management., ed. Stop the cycle of noxious weeds: Always check your tires, clothing, pets, boots, and gear for unwanted weed seeds and plant parts .... Bureau of Land Management, 1999.

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Inman, Roger. Environmental assessment, decision record, and finding of no significant impact for the implementation of requirements for noxious weed-free forage on public lands in the Bureau of Land Management's Worland District, Wyoming. U.S. Department of the Interior, Bureau of Land Managaement, Worland District, 1997.

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Book chapters on the topic "Weed check and Weed free"

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Jopony, Sophie Thelma Marcus, Fadzil Ahmad, Muhammad Khusairi Osman, et al. "Free and Unfree Weed Classification in Young Palm Oil Crops Using Artificial Neural Network." In Artificial Intelligence and Industrial Applications. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-43520-1_2.

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Ilcin, Mustafa, and Ali Satar. "The Importance of Orthoptera Insects in Agricultural Fields and Their Investigation As an Alternative Protein Source." In Alternative Protein Sources. Nobel Tip Kitabevleri, 2024. http://dx.doi.org/10.69860/nobel.9786053359289.4.

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Orthoptera is an order of insects that includes grasshoppers, crickets, katydids, and locusts. These insects are characterized by their large hind legs, adapted for jumping, and their ability to produce sound (stridulation) by rubbing certain body parts together. Certain species of grasshoppers can undergo a phase change to become locusts, forming large swarms that can travel great distances and cause significant agricultural damage. The sound produced by crickets and katydids is species-specific and is used to attract mates. Each species has a unique song. Many Orthopterans have evolved to bl
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Yenpreddiwar, M. D., B. C. Nandeshwar, and P. V. Mahatale. "IMPROVEMENT IN RAINFED COTTON PRODUCTIVITY BY INTEGRATED WEED MANAGEMENT PRACTICES UNDER HIGH DENSITY PLANTING SYSTEM GROWN ON BROAD BED FURROWS." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 3 Book 18. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bcag18p3ch1.

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At Dr. Panjabrao Deshmukh Krishi Vidhyapeeth's cotton research station in Akola, field tests were carried out to determine the best agricultural techniques for high density planting methods in cotton crops. During the Kharif season from 2015 to 2018, four herbicides were applied either alone or in combination with cultural practices, weed-free check, and control as a weedy check in a randomized block design with eight treatments and three replications. Pendimethalin was the pre-emergence treatment, and glyphosate, pyrithiobac sodium, and quazalofop ethyl were the post-emergence treatments. Bro
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Yenpreddiwar, M. D., B. C. Nandeshwar, and P. V. Mahatale. "UNDER DENSE COTTON (GOSSYPIUM SPECIES) PLANTING THE IMPACT OF HERBICIDES APPLICATION ON SOIL MICROORGANISMS." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 3 Book 18. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bcag18p3ch2.

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At Cotton Research Station, Dr. P.D.K.V. Akola, an experiment was carried out in the field during the rainy season of 2017–2018. The texture of the soil was clayey The impact of pre- and post-emergence herbicides on soil microorganisms in HDPS cotton fields. According to the treatments, herbicides were used. At 30 and 100 days after cotton was sown, soil samples were taken before and after herbicide application. These samples were then used to estimate the populations of bacteria, actinomycetes, and fungi using the serial dilution method. The average number of bacteria, actinomycetes, and fung
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"weed-free [adj]." In Encyclopedic Dictionary of Landscape and Urban Planning. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_16155.

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Kumar, Rakesh, Pardeep Kaur, and Robin. "Integrated Weed Management in Cotton." In Handbook of Integrated Weed Management for Major Field Crops. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815305098124010012.

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Cotton is generally cultivated during the wet season. As a result, a large number of weeds thrive in this crop. It is very susceptible to weed competition, especially during the first 50-60 days post-planting, resulting in yield losses ranging from 16% to 63%. Consequently, it is critical to maintain a weed-free environment throughout this period in order to maximize crop output. The chapter highlights the significance of integrating cultural, mechanical, chemical, and biological control methods to create a synergistic effect that reduces weed competition, enhances crop yield, and sustains soi
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Bagale, Suman. "Modes of Herbicide Action." In New Insights in Herbicide Science [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105356.

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Weed Management is one of the most important crop intervention practice to counter crop loss. Different physical, mechanical, biological, and chemical methods are employed for the successful management of weeds. Among these chemical weed management practices focus on managing weeds using several chemical formulations which are commonly known as herbicides. Herbicides control the weed species through interference, mitigation, and disruption of the biochemical and physical processes of a cell. When herbicides are applied to a plant, it gets absorbed through plant surfaces and gets translocated t
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Barker, Graeme. "Weed, Tuber, and Maize Farming in the Americas." In The Agricultural Revolution in Prehistory. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780199281091.003.0012.

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The American continent extends over 12,000 kilometres from Alaska to Cape Horn, and encompasses an enormous variety of environments from arctic to tropical. For the purposes of this discussion, such a huge variety has to be simplified into a few major geographical units within the three regions of North, Central, and South America (Fig. 7.1). Large tracts of Alaska and modern Canada north of the 58th parallel consist of tundra, which extends further south down the eastern coast of Labrador. To the south, boreal coniferous forests stretch eastwards from Lake Winnipeg and the Red River past the
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Glennon, Michael J. "Disinformation." In Free Speech and Turbulent Freedom. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197636763.003.0009.

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Abstract This chapter explains why publishing false information is constitutionally protected. It illustrates the reasons by examining a 2021 case decided by the Supreme Court, United States v. Alvarez. In it, the Court found that the government could not punish someone for falsely claiming to have won the Medal of Honor. The Court reaffirmed its support for the marketplace of ideas. The remedy for false speech is more speech, the Court’s plurality said, not enforced silence. The first reason to protect falsehood is that it does not in and of itself constitute incitement but advances democracy
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Cordeau, Stéphane, Maé Guinet, Nicolas Munier-Jolain, Guillaume Adeux, and Violaine Deytieux. "Advances in the reduction of herbicide use in Conservation Agriculture: French case studies." In Burleigh Dodds Series in Agricultural Science. Burleigh Dodds Science Publishing, 2025. https://doi.org/10.19103/as.2024.0145.10.

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Conservation agriculture (CA) appears as a promising agricultural pathway to achieve multiperformance but is currently questioned due to its reliance on herbicides for weed management, especially glyphosate. One limit in the development of CA-based agroecological cropping system less reliant on herbicide use is the strict definition of CA based on technical means (i.e. the three principles) rather than targeted objectives. In this chapter, the authors mobilize research carried out on experimental stations (e.g. CA-SYS platform) and farmer networks (e.g. French DEPHY-farm network) to synthesize
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Conference papers on the topic "Weed check and Weed free"

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Tyson, Lyndsey, and Ian Fletcher. "Novel Slime Release Biocide Free Technology." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4468.

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Abstract Industrial inefficiency as the result of bio-fouling accumulation is well-known. The build-up of fouling can compromise power plants and water treatment facilities that rely on optimized water flow. Hard animal fouling can also affect the structural integrity of offshore oil and gas facilities. Over the years coatings suppliers have mainly addressed the issue of bio-fouling build-up on the outside of marine vessels by using anti-fouling coatings that use active biocides to deter fouling growth. Biocide-free elastomer technology has also been developed that is particularly effective at
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Kumara, Pubudu, Kandiah Pakeerathan, and Liyanage P. P. Deepani. "Assessment of Yield Loss in Green Gram (Vigna radiata (L.) R. Wilczek) Cultivation and Estimation of Weed-Free Period for Eco-Friendly Weed Management." In IECAG 2021. MDPI, 2021. http://dx.doi.org/10.3390/iecag2021-09691.

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Cartwright, D. Kelly, Yvonne G. Bryant, and David P. Colvin. "Use of MicroPCMs in Agricultural Applications." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0609.

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Abstract Microencapsulated phase change materials were tested in several agricultural systems, including mycoherbicide development, alleviation of heat stress in agronomic crops and frost prevention. The primary constraint to development of mycoherbicides is the lack of free moisture for weed infection and excessively high temperatures. Using microencapsulated water, the time of free moisture exposure necessary for infection by Colletotrichum capsici (mycoherbicide) on pitted morningglory was reduced by 56%, while use of a customized microPCM to regulate temperature increased effectiveness as
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Aponte, Jorge Alberto, and Gerardo Gordillo. "Wild Cane Potential to Produce Gaseous Fuels via Air-Steam Thermal Gasification." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95239.

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Various alternative fuel technologies have been proposed as a solution to the negative environment impact caused by greenhouse emissions from fossil fuel combustion processes. One of those alternatives technologies is the inclusion of biomass (fuel crops and agricultural and municipal wastes) as feedstock to produce gaseous and liquid fuels via thermal gasification processes. Biomass thermal gasification is a clean technology, which does not increase the atmosphere carbon concentration since biomass is a neutral carbon energetic source. Wild cane is an invasive grass with a remarkable ability
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