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Articoli di riviste sul tema "Cover crop"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Hmielowski, Tracy. "Cover Crop Mixtures." Crops & Soils 50, no. 3 (2017): 58–59. http://dx.doi.org/10.2134/cs2017.50.0318.

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Skroch, Walter A. "ORCHARD GROUND COVER MANAGEMENT AFFECTS TREE FRUIT PRODUCTION." HortScience 28, no. 5 (1993): 496a—496. http://dx.doi.org/10.21273/hortsci.28.5.496a.

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Studies indicate that growth of apple and peach trees and yield of apple fruit is affected by ground cover management. Living ground covers compete with trees for water and nutrients, but bare ground (clean culture) results in soil compaction, increased runoff and erosion, and poor maneuverability of equipment. Competition between orchard trees and living ground covers is a factor in tree growth, timing of the first crop year, and fruit yield and quality. Certain grasses tend to be more competitive than broadleaf ground covers. Cool-season grasses (bluegrass, orchardgrass, tall fescue) under R

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3

Weston, Leslie A. "Cover Crop and Herbicide Influence on Row Crop Seedling Establishment in No-Tillage Culture." Weed Science 38, no. 2 (1990): 166–71. http://dx.doi.org/10.1017/s0043174500056320.

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The establishment and management of nine cover crops in Kentucky production systems were evaluated in field experiments over a 2-yr period. ‘Wheeler’ rye, ‘Barsoy’ barley, and ‘Tyler’ wheat cereal grains produced greater biomass (180 to 260 g/m2) than the pasture species tall fescue, creeping red fescue, and white clover (55 to 110 g/m2). ‘Kentucky 31’ tall fescue, creeping red fescue, and white clover proved most difficult to control, and significant regrowth occurred regardless of herbicide or rate applied. HOE-39866 (1.7 kg ai/ha) was effective in rapidly controlling all cover crops except

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4

London, Howard, David J. Saville, Charles N. Merfield, Oluwashola Olaniyan, and Stephen D. Wratten. "The ability of the green peach aphid (Myzus persicae) to penetrate mesh crop covers used to protect potato crops against tomato potato psyllid (Bactericera cockerelli)." PeerJ 8 (August 7, 2020): e9317. http://dx.doi.org/10.7717/peerj.9317.

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In Central and North America, Australia and New Zealand, potato (Solanum tuberosum) crops are attacked by Bactericera cockerelli, the tomato potato psyllid (TPP). ‘Mesh crop covers’ which are used in Europe and Israel to protect crops from insect pests, have been used experimentally in New Zealand for TPP control. While the covers have been effective for TPP management, the green peach aphid (GPA, Myzus persicae) has been found in large numbers under the mesh crop covers. This study investigated the ability of the GPA to penetrate different mesh hole sizes. Experiments using four sizes (0.15 ×

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5

Johnson, Gregg A., Michael S. Defelice, and Zane R. Helsel. "Cover Crop Management and Weed Control in Corn (Zea mays)." Weed Technology 7, no. 2 (1993): 425–30. http://dx.doi.org/10.1017/s0890037x00027834.

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Field experiments were conducted in central Missouri in 1989 and 1990 to evaluate weed control practices in conjunction with cover crops and cover management systems in reduced tillage corn. There was no difference in weed control among soybean stubble, hairy vetch, and rye soil cover when averaged over cover management systems and herbicide treatments. However, mowed hairy vetch and rye covers provided greater weed control in the no-till plots than soybean stubble when no herbicide was used. Differences in weed control among cover management systems were reduced or eliminated when a PRE herbi

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6

Smith, Richard G., Nicholas D. Warren, and Stéphane Cordeau. "Are cover crop mixtures better at suppressing weeds than cover crop monocultures?" Weed Science 68, no. 2 (2020): 186–94. http://dx.doi.org/10.1017/wsc.2020.12.

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AbstractCover crops are increasingly being used for weed management, and planting them as diverse mixtures has become an increasingly popular strategy for their implementation. While ecological theory suggests that cover crop mixtures should be more weed suppressive than cover crop monocultures, few experiments have explicitly tested this for more than a single temporal niche. We assessed the effects of cover crop mixtures (5- or 6-species and 14-species mixtures) and monocultures on weed abundance (weed biomass) and weed suppression at the time of cover crop termination. Separate experiments

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7

Hmielowski, Tracy. "Diversifying Cover Crop Mixtures." CSA News 62, no. 5 (2017): 10–11. http://dx.doi.org/10.2134/csa2017.62.0518.

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8

Lin, Erika Y., Daniel Rosa, Mehdi Sharifi, Michael J. Noonan, and Miranda Hart. "The Relationship Between Cover Crop Species and Soil Fungal Communities in Irrigated Vineyards in the Okanagan Valley, Canada." Agronomy 14, no. 12 (2024): 2835. http://dx.doi.org/10.3390/agronomy14122835.

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Many techniques adopted by annual crop growers, addressing challenges such as disease, are not viable for perennial systems. Groundcover vegetation can be employed as a natural method for increasing soil health and perennial plant performance; however, cover crop species may differ in the plant–soil feedback effects that modulate the rhizosphere. To investigate the relationship between cover crop identity and soil microbial composition and to determine potential impacts of cover crop species on pathogen occurrence in perennial systems, we characterized the fungal communities in soil sampled fr

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9

Stamps, Robert H. "Cold Protection of Leatherleaf Fern in Shadehouses Using Water and Crop Covers." HortScience 30, no. 4 (1995): 808A—808. http://dx.doi.org/10.21273/hortsci.30.4.808a.

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Six shadehouses were used in tests of irrigation rates and crop covers for cold-protecting leatherleaf fern [Rumohra adiantiformis (Forst) Ching]. Each shadehouse was equipped with two irrigation systems—one over-the-crop to supply heat and one over-the-shadehouse to supply water for sealing the openings in the shade fabric with ice. The over-the-crop irrigation system consisted of frost protection wedge-drive impact sprinklers providing water application rates of 0.30, 0.56, and 0.76 cm/h. Six-m × 9-m spunbonded polypropylene crop covers weighing 20 and 51 g·m–2 were tested. During radiation

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10

Price, Duzy, McElroy, and Li. "Evaluation of Organic Spring Cover Crop Termination Practices to Enhance Rolling/Crimping." Agronomy 9, no. 9 (2019): 519. http://dx.doi.org/10.3390/agronomy9090519.

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With organic farming hectarage and cover crop interest increasing throughout the United States, effectively timed cover crop termination practices are needed that can be utilized in organic conservation tillage production systems. Four commercially available termination treatments approved by Organic Materials Review Institute (OMRI) were evaluated, immediately following mechanical termination with a cover crop roller/crimper and compared to a synthetic herbicide termination to access termination rates. Treatments included rolling/crimping followed by (1) 20% vinegar solution (28 L a.i. ha−1 a

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11

Foote, William, Keith Edmisten, Randy Wells, and David Jordan. "Defoliant Effects on Cover Crop Germination, Cover Crop Growth, and subsequent Cotton (Gossypium hirsutum) Development." Journal of Cotton Science 19, no. 2 (2015): 258–67. http://dx.doi.org/10.56454/pgwo8320.

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The price of nitrogen (N) fertilizer has increased to the point where it may be cost effective to grow winter legume cover crops as a sole source of nitrogen for a subsequent cotton crop in North Carolina. Establishing these cover crops is critical to the success of this strategy. In order to optimize legume cover crop establishment, cotton producers may have to overseed legumes into cotton that has or will be sprayed with cotton harvest aids, which may interfere with legume germination and growth. A greenhouse experiment was conducted to determine the effects of commonly used cotton harvest a

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12

Christoph, Kunz, Sturm Dominic J, Sökefeld Markus, and Gerhards Roland. "Weed suppression and early sugar beet development under different cover crop mulches." Plant Protection Science 53, No. 3 (2017): 187–93. http://dx.doi.org/10.17221/109/2016-pps.

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Field experiments were conducted at two locations in 2014–2015 and 2015–2016 to investigate the weed suppressive ability of cover crop mulches in sugar beets. Three cover crops and two cover crop mixtures were tested in all four experiments. Weed densities ranged from 2 up to 210 plants/m<sup>2</sup> in Chenopodium album L. and Stellaria media (L.) Vill. as predominant species. Sinapis alba grew significantly faster than Vicia sativa, Raphanus sativus var. niger, and both cover crop mixtures. Sinapis alba, Vicia sativa, Raphanus sativus var. niger reduced weed density by 57, 22, an

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13

Giancotti, Paulo Roberto Fidelis, Mariluce Pascoína Nepomuceno, Juliana de Souza Rodrigues, Micheli Yamauti, José Valcir Fidelis Martins, and Pedro Luís da Costa Aguiar Alves. "Residues of sweet sorghum promotes suppression of weeds in sugarcane rotation." April 2020, no. 14(04):2020 (April 20, 2020): 565–73. http://dx.doi.org/10.21475/ajcs.20.14.04.p1903.

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Sorghum is an important crop to plant in rotation with sugarcane. This is mainly because both are inputs for the ethanol industry. Crop residues of sweet sorghum promote suppression of weed re-infestation, avoiding weed interference to the sugarcane crop due to the strong allelopathic potential of sorghum. In order to determine the suppressive effects of sorghum crop residues on weeds, a field experiment was carried out. Seven vegetation covers were used as options for crop rotation with sugarcane. The treatments were sweet sorghum, velvet bean, sunflower, soybean, sugar cane, fallow, and an a

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14

Stamps, Robert H. "Cold Protection of Leatherleaf Fern Using Crop Covers and Overhead Irrigation in Shadehouses." HortScience 26, no. 7 (1991): 862–65. http://dx.doi.org/10.21273/hortsci.26.7.862.

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Four spunbonded crop covers were evaluated for use with and without irrigation for cold protection of leatherleaf fern [Rumohra adiantiformis (Forst.) Ching]. Heavier and less porous covers provided the most protection when used without over-the-crop irrigation. However, differences in cover weight and porosity did not affect temperatures under covers when over-the-crop irrigation was applied. Damage to immature fronds was decreased by 75% to 99% when the covers were used alone and by 98% to 99% when the covers were used with over-the-crop irrigation. Covers had no effect on frond vase life.

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15

Carabajal-Capitán, Sara, Andrew R. Kniss, and Randa Jabbour. "Seed Predation of Interseeded Cover Crops and Resulting Impacts on Ground Beetles." Environmental Entomology 50, no. 4 (2021): 832–41. http://dx.doi.org/10.1093/ee/nvab026.

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Abstract Interseeding cover crops into standing grains can promote both agronomic and environmental benefits within agroecosystems. Producers must decide which cover crops are the best fit for their goals, and whether diverse cover crop mixtures provide benefits that are worth the increased seed cost. Broadcast seeding is an accessible strategy to try interseeding but can lead to patchy establishment; it is unknown how much seed loss is due to seed predators. In a two-year study, six cover crop species—planted as either single species or mixtures—were interseeded into standing corn. We evaluat

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Marcillo, Guillermo S., Steven Mirsky, Aurelie Poncet, et al. "Using statistical learning algorithms to predict cover crop biomass and cover crop nitrogen content." Agronomy Journal 112, no. 6 (2020): 4898–913. http://dx.doi.org/10.1002/agj2.20429.

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17

Wayman, Sandra, Craig Cogger, Chris Benedict, Ian Burke, Doug Collins, and Andy Bary. "The influence of cover crop variety, termination timing and termination method on mulch, weed cover and soil nitrate in reduced-tillage organic systems." Renewable Agriculture and Food Systems 30, no. 5 (2014): 450–60. http://dx.doi.org/10.1017/s1742170514000246.

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AbstractOverwintered cover crops mechanically terminated into mulch can be a weed management tool for reduced-tillage organic agriculture. However, the impacts of management options for cover cropping are not well understood, including cover crop variety, termination timing and termination method. In a field experiment, conducted in 2012 and 2013 in Western Washington, we examined three grains, four vetches and one barley–vetch mix terminated with two mechanical methods and at two different times. We determined the influence of cover crop variety and termination time on cover crop biomass prod

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18

Arias-Giraldo, Luis F., Gema Guzmán, Miguel Montes-Borrego, David Gramaje, José A. Gómez, and Blanca B. Landa. "Going Beyond Soil Conservation with the Use of Cover Crops in Mediterranean Sloping Olive Orchards." Agronomy 11, no. 7 (2021): 1387. http://dx.doi.org/10.3390/agronomy11071387.

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Among the agricultural practices promoted by the Common Agricultural Policy to increase soil functions, the use of cover crops is a recommended tool to improve the sustainability of Mediterranean woody crops such as olive orchards. However, there is a broad range of cover crop typologies in relation to its implementation, control and species composition. In that sense, the influence of different plant species on soil quality indicators in olive orchards remains unknown yet. This study describes the effects of four treatments based on the implementation of different ground covers (CC-GRA: sown

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19

Acharya, Jyotsna, Thomas B. Moorman, Thomas C. Kaspar, Andrew W. Lenssen, and Alison E. Robertson. "Cover Crop Rotation Effects on Growth and Development, Seedling Disease, and Yield of Corn and Soybean." Plant Disease 104, no. 3 (2020): 677–87. http://dx.doi.org/10.1094/pdis-09-19-1904-re.

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The effects of winter cover crops on root disease and growth of corn and soybeans are poorly understood. A 3-year field experiment investigated the effect of winter cereal rye (Secale cereale L.) and winter camelina (Camelina sativa [L.] Crantz), used either in all three years or in rotation with each other, on corn (Zea mays L.) and soybean (Glycine max. [L.] Merr.) growth, root disease, and yield. Corn following a cover crop of camelina had reduced root disease, a lower Pythium population in seedling roots, and greater growth and yields compared with corn following a rye cover crop. Camelina

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Baxter, Lisa L., Charles P. West, C. Philip Brown, and Paul E. Green. "Cover Crop Management on the Southern High Plains: Impacts on Crop Productivity and Soil Water Depletion." Animals 11, no. 1 (2021): 212. http://dx.doi.org/10.3390/ani11010212.

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The imminent depletion of the Ogallala Aquifer demands innovative cropping alternatives. Even though the benefits of cover crops are well recognized, adoption has been slow in the Southern High Plains (SHP) of the United States because of concerns that cover crops withdraw soil water to the detriment of the summer crops. This small plot experiment tested the interacting effects—production, soil water depletion of the cover crops, and subsequent teff [Eragrostis tef (Zucc.) Trotter] summer hay crops—of irrigation and tillage management with five cover crop types to identify low-risk cover crop

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21

Acharya, Ram N., Rajan Ghimire, Apar GC, and Don Blayney. "Effect of Cover Crop on Farm Profitability and Risk in the Southern High Plains." Sustainability 11, no. 24 (2019): 7119. http://dx.doi.org/10.3390/su11247119.

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Cover cropping has been promoted for improving soil health and environmental quality in the southern High Plains (SHP) region of the United States. The SHP is one of the more productive areas of the country and covers a large landmass, including parts of Oklahoma, New Mexico, and Texas. This region faces challenges in sustainable crop production due to declining water levels in the Ogallala Aquifer, the primary source of water for irrigated crop production. This study examines the impact of integrating cover crops in the winter wheat (Triticum aestivum L)-based rotations on farm profitability

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Davis, Adam S. "Cover-Crop Roller–Crimper Contributes to Weed Management in No-Till Soybean." Weed Science 58, no. 3 (2010): 300–309. http://dx.doi.org/10.1614/ws-d-09-00040.1.

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Termination of cover crops prior to no-till planting of soybean is typically accomplished with burndown herbicides. Recent advances in cover-crop roller–crimper design offer the possibility of reliable physical termination of cover crops without tillage. A field study within a no-till soybean production system was conducted in Urbana, IL, from 2004 through 2007 to quantify the effects of cover crop (cereal rye, hairy vetch, or bare soil control), termination method (chemical burndown or roller–crimper), and postemergence glyphosate application rate (0, 1.1, or 2.2 kg ae ha−1) on soybean yield

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23

Kruse, Raymond, and Ajay Nair. "Summer Cover Crops and Lettuce Planting Time Influence Weed Population, Soil Nitrogen Concentration, and Lettuce Yields." HortTechnology 26, no. 4 (2016): 409–16. http://dx.doi.org/10.21273/horttech.26.4.409.

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Cover crops can be used as a sustainable weed management tool in crop production systems. Cover crops have the ability to suppress weeds, reduce soil erosion, increase soil organic matter, and improve soil physical, chemical, and biological properties. In the north-central region of the United States, including Iowa, much cover crop research has been conducted in row crop systems, mainly with corn (Zea mays) and soybean (Glycine max) where cover crops are planted at the end of the growing season in September or October. There is little information available on the use of cover crops in vegetab

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SaadatGhaleh joogh, Seyedeh Azaam, Ahmad Tobeh, Abdolghayoum Golipori, and Mehran Ochi. "Management of cover crops of cold cereal, on total fresh weight, total dry weight weed, yield and yield components peppermint." Journal of Research in Science, Engineering and Technology 4, no. 01 (2019): 31–36. http://dx.doi.org/10.24200/jrset.vol4iss01pp31-36.

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To study the effect of cover crop and how manage cover crop an experiment was conducted in Agricultural Research Center of University of Mohaghegh Ardabili , the experiment was factorial based on complete randomized block design with three replications. winter cover crops and spring cover crops as the main factor with six levels( winter wheat, spring wheat, winter barley , spring barley, winter rye, winter rye+ winter barley) and how manage cover crop with three levels (living mulch, heading mulch, mulch with herbicide) as a second factor. For comparison, two controls (without cover crop with

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Haruna, Samuel I., and Nsalambi V. Nkongolo. "Influence of Cover Crop, Tillage, and Crop Rotation Management on Soil Nutrients." Agriculture 10, no. 6 (2020): 225. http://dx.doi.org/10.3390/agriculture10060225.

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Cover cropping, tillage and crop rotation management can influence soil nutrient availability and crop yield through changes in soil physical, chemical and biological processes. The objective of this study was to evaluate the influence of three years of cover crop, tillage, and crop rotation on selected soil nutrients. Twenty-four plots each of corn (Zea mays) and soybean (Glycine max) were established on a 4.05 ha field and arranged in a three-factor factorial design. The three factors (treatments) were two methods of tillage (no-tillage (NT) vs. moldboard plow [conventional] tillage (CT)), t

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Gaskin, Julia W., Miguel L. Cabrera, David E. Kissel, and Richard Hitchcock. "Using the cover crop N calculator for adaptive nitrogen fertilizer management: a proof of concept." Renewable Agriculture and Food Systems 35, no. 5 (2019): 550–60. http://dx.doi.org/10.1017/s1742170519000152.

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AbstractLegume cover crops can supply a significant amount of nitrogen (N) for cash crops, which is particularly important for organic farmers. Because N mineralization from cover crop residue depends on the amount of biomass, cover crop quality, as well as environmental conditions such as soil moisture and temperature, predicting the amount of N mineralized and the timing of release has been difficult. We have developed a Cover Crop Nitrogen Calculator based on the N subroutine of the CERES crop model and evaluated the use of the predicted N credits on yields of fall broccoli [Brassica olerac

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Klopp, Hans W. "Effects of Interseeding Cover Crops into Corn and Soybean on Biomass Production, Grain Yields and Ecosystem Services: A Review." Agronomy 14, no. 6 (2024): 1229. http://dx.doi.org/10.3390/agronomy14061229.

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Planting cover crops can improve soil health and help to sustain agricultural crop yields. In northern climates where corn (Zea mays L.) and soybean (Glycine max L.) are grown, cover crop biomass production can be low. This has led to people investigating the potential of interseeding cover crops into the growing main crop. This paper sought to determine biomass production and the benefit to grain yields, weed control and soil properties from interseeding cover crops into corn and soybean. This review included 70 studies published prior to 15 March 2024. Interseeded cover crops that were winte

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Sugai, Jun, Naoya Takashima, Koki Muto, et al. "Effects of Cover Crops on Soil Inorganic Nitrogen and Organic Carbon Dynamics in Paddy Fields." Agriculture 14, no. 12 (2024): 2365. https://doi.org/10.3390/agriculture14122365.

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Rice is a staple food in Asia, and its impact on the environment is considerable, such as chemical input concerns. Organic rice farming represents an alternative approach to reducing environmental concerns throughout rice production. However, the precise nutrient management to optimize organic rice production while recovering soil residual nitrogen (N) for the subsequent crops remains unclear. This study aims to: (1) assess nutrient recovery in soil cultivated with cover crops, including Italian ryegrass and hairy vetch, and (2) investigate the optimization of nutrient management in organic ri

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Majchrzak, Leszek, Tomasz Piechota, and Tomasz Piskier. "Energy Input on Cover Crop Cultivation." Agricultural Engineering 21, no. 4 (2017): 65–72. http://dx.doi.org/10.1515/agriceng-2017-0037.

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AbstractThe research was carried out in 2015-2016 at the Research Station Brody belonging to Poznan University of Life Sciences. The experiment was assumed with blocks randomized in four replications. The aim of the study was to determine the size and structure of energy inputs incurred on cover crops cultivation in different soil tillage systems. The cumulative energy consumption methodology was used to analyse the energy expenditure on field pea and white mustard seed. Based on the research, it was found that sowing field pea as a cover crop as compared to white mustard increased the cumulat

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Locke, Martin A., Robert M. Zablotowicz, Philip J. Bauer, R. Wade Steinriede, and Lewis A. Gaston. "Conservation cotton production in the southern United States: herbicide dissipation in soil and cover crops." Weed Science 53, no. 5 (2005): 717–27. http://dx.doi.org/10.1614/ws-04-174r1.1.

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Soil and surface residues from cotton field studies in Stoneville, MS (1994 through 1996) and Florence, SC (1995 through 1996) were sampled to evaluate effects of cover crop and tillage on herbicide dissipation. Mississippi treatments included tillage (conventional [CT]; none [NT]) and cover crop (ryegrass; none [NC]). South Carolina treatments included tillage (CT; reduced tillage [RT]) and cover crop (rye; NC). Fluometuron was applied preemergence (PRE) in both Mississippi and South Carolina, and norflurazon was applied PRE in Mississippi. Soils were sampled various times during the growing

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Vincent-Caboud, Laura, Léa Vereecke, Erin Silva, and Joséphine Peigné. "Cover Crop Effectiveness Varies in Cover Crop-Based Rotational Tillage Organic Soybean Systems Depending on Species and Environment." Agronomy 9, no. 6 (2019): 319. http://dx.doi.org/10.3390/agronomy9060319.

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Organic farming relies heavily on tillage for weed management, however, intensive soil disturbance can have detrimental impacts on soil quality. Cover crop-based rotational tillage (CCBRT), a practice that reduces the need for tillage and cultivation through the creation of cover crop mulches, has emerged as an alternative weed management practice in organic cropping systems. In this study, CCBRT systems using cereal rye and triticale grain species are evaluated with organic soybean directly seeded into a rolled cover crop. Cover crop biomass, weed biomass, and soybean yields were evaluated to

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Kandel, Hans J., Dulan P. Samarappuli, Kory L. Johnson, and Marisol T. Berti. "Soybean Relative Maturity, Not Row Spacing, Affected Interseeded Cover Crops Biomass." Agriculture 11, no. 5 (2021): 441. http://dx.doi.org/10.3390/agriculture11050441.

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Adoption of cover crop interseeding in the northwestern Corn Belt in the USA is limited due to inadequate fall moisture for establishment, short growing season, additional costs, and need for adapted winter-hardy species. This study evaluated three cover crop treatments—no cover crop, winter rye (Secale cereale L.), and winter camelina (Camelina sativa (L.) Crantz)—which were interseeded at the R6 soybean growth stage, using two different soybean (Glycine max (L.) Merr.) maturity groups (0.5 vs. 0.9) and two row spacings (30.5 vs. 61 cm). The objective was to evaluate these treatments on cover

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Dominic J, Sturm, Kunz Christoph, Peteinatos Gerassimos, and Gerhards Roland. "Do cover crop sowing date and fertilization affect field weed suppression?" Plant, Soil and Environment 63, No. 2 (2017): 82–88. http://dx.doi.org/10.17221/1/2017-pse.

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The weed suppressive ability of oilseed radish (Raphanus sativus var. oleiformis Pers.) cover crop is attributed to high competitiveness for resources and biochemical effects on weeds. The oilseed radish cover crop was sown in five treatments plus an untreated control over a period of five weeks before and three weeks after winter wheat harvest. Additionally, fertilization effects on oilseed radish biomass and weed suppression were measured. The highest biomass of the cover crop was observed 12 weeks after harvest (WAH) when the oilseed radish was sown one week after harvest (1 WAH) (2015) and

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Christianson, Reid, Jordan Fox, Neely Law, and Carol Wong. "Effectiveness of Cover Crops for Water Pollutant Reduction from Agricultural Areas." Transactions of the ASABE 64, no. 3 (2021): 1007–17. http://dx.doi.org/10.13031/trans.14028.

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HighlightsNitrogen loss reduction due to a cover crop tends to improve with increased cover crop biomass production.Mixed phosphorus loss reduction results in cold climates where freeze-thaw cycles occur and can increase dissolved phosphorus losses.Cereal rye was the primary cover crop studied and tended to provide the most water quality benefits.Abstract. Mitigating nutrient losses from agricultural fields retains these nutrients for subsequent crop production and reduces the risk to downstream water quality. This study evaluated the impact of cover crops, as part of an annual cropping system

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Cai, Zhen, Ranjith P. Udawatta, Clark J. Gantzer, Shibu Jose, Larry Godsey, and Lauren Cartwright. "Economic Impacts of Cover Crops for a Missouri Wheat–Corn–Soybean Rotation." Agriculture 9, no. 4 (2019): 83. http://dx.doi.org/10.3390/agriculture9040083.

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Abstract (sommario):

In the United States, agricultural production using row-crop farming has reduced crop diversity. Repeated growing of the same crop in a field reduces soil productivity and increases pests, disease infestations, and weed growth. These negative effects can be mitigated by rotating cash crops with cover crops. Cover crops can improve soil’s physical, chemical, and biological properties, provide ground cover, and sequester soil carbon. This study examines the economic profitability for a four-year wheat–corn–soybean study with cover crops by conducting a field experiment involving a control (witho

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Oliveira, Maxwel C., Liberty Butts, and Rodrigo Werle. "Assessment of Cover Crop Management Strategies in Nebraska, US." Agriculture 9, no. 6 (2019): 124. http://dx.doi.org/10.3390/agriculture9060124.

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Abstract (sommario):

Adoption of cover crops has the potential to increase agricultural sustainability in the US and beyond. In 2017, a survey was conducted with Nebraska stakeholders in an attempt to evaluate current cover crop management strategies adopted in soybean (Glycine max [L.] Merr.), field corn (Zea mays L.), and seed corn production. Eighty-two Nebraska stakeholders answered the survey, of which 80% identified themselves as growers. Eighty-seven percent of respondents manage cover crops, and the average cover crop ha planted on a per farm basis is 32%. The primary method of establishing cover crops fol

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Schaefer, Michael V., Nathaniel A. Bogie, Daniel Rath, et al. "Effect of Cover Crop on Carbon Distribution in Size and Density Separated Soil Aggregates." Soil Systems 4, no. 1 (2020): 6. http://dx.doi.org/10.3390/soilsystems4010006.

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Abstract (sommario):

Increasing soil organic carbon (SOC) stocks in agricultural soils can contribute to stabilizing or even lowering atmospheric greenhouse gas (GHG) concentrations. Cover crop rotation has been shown to increase SOC and provide productivity benefits for agriculture. Here we used a split field design to evaluate the short-term effect of cover crop on SOC distribution and chemistry using a combination of bulk, isotopic, and spectroscopic analyses of size-and density-separated soil aggregates. Macroaggregates (>250 µm) incorporated additional plant material with cover crop as evidenced by more ne

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Sorensen, Ronald B., Timothy B. Brenneman, and Marshall C. Lamb. "Peanut Yield Response to Conservation Tillage, Winter Cover Crop, Peanut Cultivar, and Fungicide Applications1." Peanut Science 37, no. 1 (2010): 44–51. http://dx.doi.org/10.3146/ps08-004.1.

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Abstract (sommario):

Abstract Strip tillage with various crop covers in peanut (Arachis hypogaea, L.) production has not shown a clear yield advantage over conventional tillage, but has been found to reduce yield losses from some diseases. This study was conducted to determine pod yield and disease incidence between two tillage practices, five winter cover crops, three peanut cultivars, and three fungicide programs. Conventional and strip tillage treatments were implemented on a Greenville sandy loam (fine, kaolinitic, thermic Rhodic Kandiudults) near Shellman, GA. Five winter cereal grain cover crops (strip tilla

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FRANCIS, G. S., K. M. BARTLEY, and F. J. TABLEY. "The effect of winter cover crop management on nitrate leaching losses and crop growth." Journal of Agricultural Science 131, no. 3 (1998): 299–308. http://dx.doi.org/10.1017/s0021859698005899.

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Abstract (sommario):

Two field experiments in Canterbury, New Zealand, were conducted during 1993–95 following the ploughing of temporary pasture leys. These experiments investigated the effects of cover crop management on the accumulation of soil mineral N and nitrate leaching during winter, and the growth and N uptake of the following spring cereal crop. The cover crops used were ryegrass (Lolium multiflorum L.), oats (Avena sativa L.), lupins (Lupinus angustifolius L.), mustard (Sinapis alba L.) and winter wheat (Triticum aestivum).Ploughing of temporary pasture in autumn (March) resulted in extensive net N min

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40

Duncan, Hence, Jacob Eicher, Weston M. Bracey, et al. "Is Harvesting Cover Crops for Hay Profitable When Planting Corn and Soybean in Tennessee?" Agronomy 12, no. 6 (2022): 1353. http://dx.doi.org/10.3390/agronomy12061353.

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Abstract (sommario):

Winter cover crops can improve the soil’s moisture-holding capacity, reduce soil water evaporation, and mitigate water-induced soil erosion; however, economic studies show mixed results on cover crop impacts on profits. One way to potentially increase the profits from planting cover crops is to harvest the cover crop for hay. The objective of this study was to determine the profitability of planting and harvesting cover crops when planting corn (Zea mays) or soybean (Glycine max (L.) Merr.) as a cash crop. We determined the difference in net returns among 15 cover crop species when planted bef

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Nordblom, Thomas, Saliya Gurusinghe, Andrew Erbacher, and Leslie A. Weston. "Opportunities and Challenges for Cover Cropping in Sustainable Agriculture Systems in Southern Australia." Agriculture 13, no. 3 (2023): 688. http://dx.doi.org/10.3390/agriculture13030688.

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Abstract (sommario):

Southern Australian farming systems operate predominantly under Mediterranean climatic conditions, which limit the choice of cover crops suitable for enhancement of ground cover and soil moisture retention, erosion control, atmospheric soil nitrogen (N) fixation, and weed suppression between cash crop rotations. Given that the successful establishment of cover crops is climate-driven and also influenced by edaphic factors such as soil pH and salinity, there has been increased interest by southern Australian producers in identifying potential cover crop species well adapted to specific Australi

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Zhou, Yangxue, Lindsey Roosendaal, and Laura L. Van Eerd. "Increased nitrogen retention by cover crops: implications of planting date on soil and plant nitrogen dynamics." Renewable Agriculture and Food Systems 35, no. 6 (2019): 720–29. http://dx.doi.org/10.1017/s1742170519000383.

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Abstract (sommario):

AbstractCover crops are frequently adopted to immobilize residual nitrogen post-harvest, thereby reducing potential N losses. However, the effectiveness of a cover crop depends on the species planting date, and other management practices. Limited information on N dynamics in cover crop systems is available specially in short-season vegetable rotations under temperate climate. From 2008 to 2010, a split-plot field experiment was carried out in a humid, temperate climate with cover crop treatment as the main plot factor [no cover crop control (NoCC), cereal rye, hairy vetch, oat, forage pea, oil

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43

Fernando, Margaret, and Anil Shrestha. "The Potential of Cover Crops for Weed Management: A Sole Tool or Component of an Integrated Weed Management System?" Plants 12, no. 4 (2023): 752. http://dx.doi.org/10.3390/plants12040752.

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Abstract (sommario):

Cover crops are an important component of integrated weed management programs in annual and perennial cropping systems because of their weed suppressive abilities. They influence weed populations using different mechanisms of plant interaction which can be facilitative or suppressive. However, the question often arises if cover crops can be solely relied upon for weed management or not. In this review we have tried to provide examples to answer this question. The most common methods of weed suppression by an actively growing cover crop include competition for limited plant growth resources tha

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Smith, Richard G., Lesley W. Atwood, Fredric W. Pollnac, and Nicholas D. Warren. "Cover-Crop Species as Distinct Biotic Filters in Weed Community Assembly." Weed Science 63, no. 1 (2015): 282–95. http://dx.doi.org/10.1614/ws-d-14-00071.1.

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Abstract (sommario):

Cover crops represent a potentially important biological filter during weed community assembly in agroecosystems. This filtering could be considered directional if different cover-crop species result in weed communities with predictably different species composition. We examined the following four questions related to the potential filtering effects of cover crops in a field experiment involving five cover crops grown in monoculture and mixture: (1) Do cover crops differ in their effect on weed community composition? (2) Is competition more intense between cover crops and weeds that are in the

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45

Rothrock, C. S., and W. L. Hargrove. "Influence of legume cover crops and conservation tillage on soil populations of selected fungal genera." Canadian Journal of Microbiology 34, no. 3 (1988): 201–6. http://dx.doi.org/10.1139/m88-038.

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Abstract (sommario):

The influence of winter legume cover crops and of tillage on soil populations of fungal genera containing plant pathogenic species in the subsequent summer sorghum crop were examined in field studies. Legume cover crops significantly increased populations of Pythium spp. throughout the sorghum crop compared with a rye cover crop or no cover crop. This stimulation of the populations of Pythium spp. was not solely due to colonization of cover-crop residue, as populations were significantly greater at the time the legume cover crop was desiccated. Removal of aboveground residue generally decrease

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McKenzie, Sean C., Hayes B. Goosey, Kevin M. O'Neill, and Fabian D. Menalled. "Integration of sheep grazing for cover crop termination into market gardens: Agronomic consequences of an ecologically based management strategy." Renewable Agriculture and Food Systems 32, no. 5 (2016): 389–402. http://dx.doi.org/10.1017/s1742170516000326.

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Abstract (sommario):

AbstractCover crops are suites of non-marketable plants grown to improve soil tilth and reduce erosion. Despite these agronomic benefits, the use of cover crops is often limited because they do not provide a direct source of revenue for producers. Integrating livestock to graze cover crops could provide both an expeditious method for cover crop termination and an alternative source of revenue. However, there has been little research on the agronomic impacts of grazing for cover crop termination, especially in horticultural market-gardens. We conducted a 3-year study comparing the effects of sh

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47

Azevedo, Demóstenes Marcos Pedrosa de, Juan Landivar, Robson Macedo Vieira, and Daryl Moseley. "The effect of cover crop and crop rotation on soil water storage and on sorghum yield." Pesquisa Agropecuária Brasileira 34, no. 3 (1999): 391–98. http://dx.doi.org/10.1590/s0100-204x1999000300010.

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Abstract (sommario):

Crop rotation and cover crop can be important means for enhancing crop yield in rainfed areas such as the lower Coastal Bend Region of Texas, USA. A trial was conducted in 1995 as part of a long-term cropping experiment (7 years) to investigate the effect of oat (Avena sativa L.) cover and rotation on soil water storage and yield of sorghum (Sorghum bicolor L.). The trial design was a RCB in a split-plot arrangement with four replicates. Rotation sequences were the main plots and oat cover crop the subplots. Cover crop reduced sorghum grain yield. This effect was attributed to a reduced concen

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48

Creamer, Nancy G., Mark A. Bennett, and Benjamin R. Stinner. "COVER CROP MIXTURES FOR VEGETABLE PRODUCTION." HortScience 27, no. 6 (1992): 664c—664. http://dx.doi.org/10.21273/hortsci.27.6.664c.

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Abstract (sommario):

Polyculture mixtures of several species of cover crops may be the best way to optimize some of the benefits associated with cover crop use. In the first year of a three year study, 16 polyculture mixtures of cover crops (4 species/mixture) were screened at seven sites throughout the state. Five of the mixtures were seeded at two planting dates. Fall evaluation of the cover crop mixtures included ease of establishment, vigor, percent groundcover, plant height, and relative biomass. The two mixtures with the highest percent groundcover were (1): sudex, rye, mammoth red clover, and subterranean c

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49

Hruska, H. J., G. R. Cline, A. F. Silvernail, and K. Kaul. "399 Use of Conservation Tillage and Cover Crops for Sustainable Vegetable Production." HortScience 35, no. 3 (2000): 461E—461. http://dx.doi.org/10.21273/hortsci.35.3.461e.

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Abstract (sommario):

Research began in 1999 to examine sustainable production of bell peppers (Capsicum annuum L.) using conservation tillage and legume winter cover crops. Tillage treatments included conventional tillage, strip-tillage, and no-tillage, and winter covers consisted of hairy vetch (Vicia villosa Roth), winter rye (Secale cereale L.), and a vetch/rye biculture. Pepper yields following the rye winter cover crop were significantly reduced if inorganic N fertilizer was not supplied. However, following vetch, yields of peppers receiving no additional N were similar to yields obtained in treatments receiv

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50

Schenck, Lara A., Matthew G. Bakker, Thomas B. Moorman, and Thomas C. Kaspar. "Effects of cover crop presence, cover crop species selection and fungicide seed treatment on corn seedling growth." Renewable Agriculture and Food Systems 34, no. 2 (2017): 93–102. http://dx.doi.org/10.1017/s1742170517000345.

Testo completo

Abstract (sommario):

AbstractCover crops can offer erosion protection as well as soil and environmental quality benefits. Cereal rye (Secale cerealeL.) is the most commonly used winter cover crop in corn–soybean rotations in the upper Midwest of the USA because of its superior winter hardiness and growth at cool temperatures. Cereal rye cover crops, however, can occasionally have negative impacts on the yield of a following corn crop, which discourages broader adoption and introduces substantial risk for corn farmers employing cover crops. We hypothesized that because cereal rye shares some pathogens with corn, it

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