Academic literature on the topic 'Weed-free'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Weed-free.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Weed-free"

1

Islam, Md Hafizul, Md Parvez Anwar, Md Rashedur Rahman, Md Sohanur Rahman, Fakhar Uddin Talukder, and Md Tipu Sultan. "INFLUENCE OF WEED INTERFERENCE PERIOD AND PLANTING SPACING ON THE WEED PRESSURE AND PERFORMANCE OF BORO RICE CV. BRRI DHAN29." Sustainability in Food and Agriculture 2, no. 1 (2020): 11–20. http://dx.doi.org/10.26480/sfna.01.2021.11.20.

Full text
Abstract:
To study the influence of weed interference period and planting spacing on the weed pressure and performance of Boro rice cv. BRRI dhan29 an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University from December 2015 to May 2016. The experiment comprised six weed interference periods (viz. weed free, weed free up to 20 DAT, weed free up to 40 DAT and weed free up to 60 DAT, weed free up to 80 DAT and weedy condition) and three spacing of planting (viz.25 cm × 15 cm, 25 cm × 10cm, 25 cm × 20 cm) following randomized complete block design with three replicati
APA, Harvard, Vancouver, ISO, and other styles
2

AKM, Harun-Or-Rashid. "Effect of different weed interference period on growth and yield performance of upland cotton varieties." International Journal of Natural and Social Sciences 12, no. 1 (2025): 18–31. https://doi.org/10.5281/zenodo.15062238.

Full text
Abstract:
This study investigates the impact of weed interference periods on the growth and yield of cotton, emphasizing the critical weed control period (CPWC) for effective management strategies. Conducted over two growing seasons, the experiment utilized three cotton varieties (CB-15, CB-hybrid-1, and Rupali-1) under varying weed interference durations. Treatments included season-long weed-free conditions and periods of weed interference starting at different growth stages. Results indicated that all varieties exhibited the highest seed cotton yield in continuous weed-free conditions, with Rupali-1 a
APA, Harvard, Vancouver, ISO, and other styles
3

Bedmar, Francisco, Pablo Manetti, and Gloria Monterubbianesi. "Determination of the critical period of weed control in corn using a thermal basis." Pesquisa Agropecuária Brasileira 34, no. 2 (1999): 188–93. http://dx.doi.org/10.1590/s0100-204x1999000200006.

Full text
Abstract:
Field studies were conducted over 3 years in southeast Buenos Aires, Argentina, to determine the critical period of weed control in maize (Zea mays L.). The treatments consisted of two different periods of weed interference, a critical weed-free period, and a critical time of weed removal. The Gompertz and logistic equations were fitted to relative yields representing the critical weed-free and the critical time of weed removal, respectively. Accumulated thermal units were used to describe each period of weed-free or weed removal. The critical weed-free period and the critical time of weed rem
APA, Harvard, Vancouver, ISO, and other styles
4

Jallow, S. A. F., and F. J. Manneh. "Response of Groundnut (Arachis hypogaea L.) Varieties to Critical Period of Crop-Weed Interference in West Coast Region of The Gambia." European Scientific Journal, ESJ 21, no. 12 (2025): 73. https://doi.org/10.19044/esj.2025.v21n12p73.

Full text
Abstract:
Field trials were conducted in the 2021 rainy season at the National Agricultural Research Institute Banjulinding (NARI Site III) and the Teaching and Research Farm of the University of The Gambia (UTG Faraba Banta). The study aimed to determine the critical period of crop-weed interference on weed attributes, growth and yield of groundnut varieties. Hence, the objective was to determine a specific timeframe critical for weed management as well as growth and yield responses of the two groundnut varieties (Fleur 11 and Philippine pink) to weed competition. The experiment was conducted in a Rand
APA, Harvard, Vancouver, ISO, and other styles
5

Hackett, N. M., D. S. Murray, and D. L. Weeks. "Interference of Silverleaf Nightshade (Solanum elaeagnifolium) on Spanish Peanuts (Arachis hypogaea)1." Peanut Science 14, no. 1 (1987): 39–41. http://dx.doi.org/10.3146/i0095-3679-14-1-10.

Full text
Abstract:
Abstract Interference of silverleaf nightshade (Solanum elaeagnifolium Cav.) with Pronto spanish peanuts (Arachis hypogaea L.) was evaluated from 1981 through 1983 in a natural occurring weed population. Treatments consisted of weed-free maintenance or weed interference for 0, 4, 8, 12 weeks and for the full season. Silverleaf nightshade stems were counted as a measure of weed regrowth in treatments maintained weed free for 0, 4, and 8 weeks. Contamination of the harvested in-shell peanuts by silverleaf nightshade berries was determined by counting the number of berries passing through the pea
APA, Harvard, Vancouver, ISO, and other styles
6

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
7

Qasem, Jamal R. "Competition of Weeds Dominated by Wild Oat (Avena sterilis) in Wheat (Triticum durum Desf.) in Jordan." Agronomy 11, no. 9 (2021): 1816. http://dx.doi.org/10.3390/agronomy11091816.

Full text
Abstract:
Wheat is the main field crop grown in Jordan. Productivity is low due to different factors, including erratic rainfall, poor soil fertility and weed competition. A field experiment was carried out at the University of Jordan Research Station for two growing seasons to determine the effect of weed competition on growth and yield of wheat (Triticum durum Cv. “Hourani”). Treatments consisted of either allowing weeds to infest the crop or maintaining the crop weed-free for increasing durations after emergence. Results showed that, the longer the periods of weed competition, the greater the loss in
APA, Harvard, Vancouver, ISO, and other styles
8

Keeley, Paul E., and Robert J. Thullen. "Growth and Interaction of Johnsongrass (Sorghum halepense) with Cotton (Gossypium hirsutum)." Weed Science 37, no. 3 (1989): 339–44. http://dx.doi.org/10.1017/s0043174500072027.

Full text
Abstract:
Several weed-free and johnsongrass competition periods were established and maintained in cotton to evaluate their influence on cotton yield and reproduction of johnsongrass. When johnsongrass was sprayed with fluazifop in field plots 3, 6, 9, or 12 weeks after cotton emergence, only plots sprayed at 3 weeks yielded as much cotton as weed-free plots. Johnsongrass permitted to compete for 6, 9, 12, and 25 weeks reduced cotton yields 20, 60, 80, and 90%, respectively. When johnsongrass was transplanted into weed-free plots 3, 6, 9, and 12 weeks after cotton emergence, a weed-free period of 9 wee
APA, Harvard, Vancouver, ISO, and other styles
9

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
10

Buhler, Douglas D. "Weed population responses to weed control practices. II. Residual effects on weed populations, control, andGlycine maxyield." Weed Science 47, no. 4 (1999): 423–26. http://dx.doi.org/10.1017/s004317450009202x.

Full text
Abstract:
Weed populations, weed control with imazethapyr, andGlycine maxyields were affected by a 4-yr history of different weed control practices. A range of chemical and mechanical practices were applied in separate field experiments initiated under high and low weed densities. In the high-density experiment, plots kept weed free for 4 yr averaged 24Setaria faberiplants m−2compared with 200 to 600 plants m−2with the various weed control treatments. In plots with a history of mechanical control, weeds not controlled by imazethapyr reducedG. maxyield by 340 kg ha−1compared with plots that were kept wee
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Weed-free"

1

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.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

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

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles

Books on the topic "Weed-free"

1

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

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

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.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Weed free forage. Oregon Dept. of Agriculture, Commodity Inspection Division, Noxious Weed Control Program, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Greer, Tasha. Weed-Free Gardening: A Comprehensive and Organic Approach to Weed Management. Quarto Publishing Group USA, 2022.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Weed-free"

1

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.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
3

"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.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
5

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
6

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
7

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
8

Leopold, Estella B. "Fall." In Stories From the Leopold Shack. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190463229.003.0010.

Full text
Abstract:
In the fall we had great fun picking our orchard apples and harvesting in the garden. There were two old apple trees, undoubtedly planted by the Baxter family in the late 1800s. One bore very large sweet apples, which probably was a Wolf River type, in Mother’s estimation, and the other bore just nice, tasty apples. The trunks of these two trees were ten to twelve inches in diameter, so they were really mature trees. Under and around these apple trees we usually had planted potatoes (our best crop!), corn, and huge beefsteak tomatoes. A slice from a beefsteak tomato warmed by the sun and just
APA, Harvard, Vancouver, ISO, and other styles
9

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
10

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Weed-free"

1

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

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
2

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.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
4

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.

Full text
Abstract:
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
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!