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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 151 for “"cover crops"”.
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Herbicide Carryover to Cover Crops and Evaluation of Cover Crops for Annual Weed Control in Corn and Soybeans
While cover crops are actively growing, they compete with winter annual weeds. Studies were conducted to determine the ability of early planted cover crop monocultures and mixtures and a fall applied residual herbicide to compete with winter annual weeds. Cereal rye containing cover crops provided …
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Value of Cover Crops in Suppressing Weeds and Protecting Cotton Yields and Likelihood of Residual Herbicide Carryover to Cover Crops
… conducted to investigate the potential for using cover crops to suppress problematic weeds in cotton as well as chemical options for cover crop dessication, and sensitivity of cover crops to residual herbicides were evaluated. No differences were observed for cereal rye biomass production and …
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The role of cover crops in agroecosystem functioning
Current interest in cover cropping is focused on enhancing ecosystem services beyond soil conservation. Cover crop (CC) species function uniquely in their effects on ecosystem services when grown in monoculture or mixtures. This research integrated field experiments and a literature synthesis to …
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Integrating cover crops into crop rotations in upstate Missouri
… strategies such as reduced tillage, use of cover crops, and implementation of conservation practices (i.e. terraces, no-till, and cropping systems) in Missouri cropping systems. By combining best management practices for conservation, soil health could be improved, and farmers could obtain …
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Quality Soil Management in Illinois Using Winter Cover Crops
The use of winter cover crops (WCC) provides long term benefits that are generally overlooked. There is a particular lack of information regarding the effects of WCC on soil productivity. The objective of this study was to assess the effects of different crop rotations on several soil physical and …
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Using cover crops to alleviate compaction in organic grain farms
… Illinois, we explored the effect of selected cover crops in compacted and non-compacted areas of their farms on weed populations, yields and soil properties in a participatory on-farm research approach. The experimental layout was a split-plot arrangement of compaction and cover crop …
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Evaluating cover crops and herbicides for horseweed and Palmer amaranth management
… weeds in Kansas that compete against many row crops. Horseweed can emerge in different seasons depending on the year. Palmer amaranth emerges from spring throughout the summer months and has a rapid growth rate with higher temperatures. Three separate studies were conducted near Manhattan, KS …
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Do benefits from cover crops vary by species or mixture composition?
"Cover crops are often used to manage weeds and increase productivity on organic farms, but questions remain about which species or combinations of species have the strongest impacts as living cover and which species and combinations are financially feasible for adoption in organic systems. An …
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Nutrient release from winter cover crops exposed to freeze-thaw events
Winter cover crops are widely promoted due to their numerous soil and water quality benefits. However, recent research has highlighted some concerns about the potential leaching of phosphorus (P) and nitrogen (N) from cover crop biomass after cycles of freezing and thawing. These freezing events …
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Cover crops, tillage, and the suppression of soil borne diseases in soybean
Cover crops have historically been shown to be useful in the management of pathogens of high value crops, such as fruits, vegetables, and nuts. However, the properties of these cover crops and the type of suppressive soil that they induce, can be useful in the production of agronomic crops as well. …
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Impact of mustards (Brassicaceae) grown as cover crops on non-target arthropod communities
The effects of mustard varieties grown as cover crops on non-target arthropod communities and diversity were investigated in 2008. The abundance of carabid beetles, collembolans, and mites were monitored before, during, and after the seeding, growth, and incorporation of two mustard varieties …
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Using Winter Annual Cover Crops in a Virginia No-till Cotton Production System
… erosion and protect the soil. A winter annual cover crop could alleviate erosion between cotton crops. Field experiments were conducted to evaluate selected winter annual cover crops for biomass production, ground cover, and N assimilation. The cover crop treatments were monitored under no-till …
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The use of legume cover crops in no-tillage broccoli and cabbage production
… rates of applied nitrogen fertilizer and three cover crops: hairy vetch (<u>Vigia villosa</u> Roth), Austrian winter pea (<u>Fisum arvenu</u> L.), and cereal rye (<u>Secale cereale</u> L.). Transplants of 'Premium Crop' broccoli (<u>Brassica oleracea</u> var. <u>italica</u> Plenck) and 'Market …
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Interactive Effects of Cover Crops, Invertebrate Communities and Soil Health in Corn Production Systems
… in this study used practices such as using cover crops, not tilling, and abandoning the use of insecticide. The comparative system, a conventional management system, consisted of practices such as no cover crop or a period of bare soil, use of tillage, and use of insecticidal techniques. In …
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Demonstrating Short-term Impacts of Grazing Cover Crops on Soil Health in South Dakota
… ICL systems on selected soil health parameters. Cover crops blends (Brassica/Legume-based blend, Grass-based blend, Equal blend) were planted after the rye (<em>Secale cereale</em> L.) crop, and grazing treatments (with and without) were applied after the cover crops establishment. Cover crops …
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Assessing the role of probiotics for the enhancement of soil quality under cover crops
… enzymatic activity) in association with cover crops in field and greenhouse studies. This research was conducted at the Natural Resources Conservation Service (NRCS) Soil Health Demonstration Farm, Chariton County, Missouri to quantify probiotic effects on soil biology and enzyme …
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Cultivating Sustainability: Analyzing Soil Health Dynamics and Economics of Cover Crops in the Mid-Atlantic
… intensive tillage to no-till (NT) practices with cover crop (CC) incorporation on soil quality, agronomic performance, and economic returns in Virginia's Coastal Plain. Nine years after integrating NT practices and CCs, improvements in soil physical and chemical properties were observed, including …
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Evaluation of Cover Crops, Conservation Tillage, and Nitrogen Management in Cotton Production in Southeastern Virginia
… hirsutum L.) to legume and small grain cover crop establishment, in-season nitrogen (N) rate, and fertilizer N placement was investigated in two experiments located in coastal plain Virginia and North Carolina. The first experiment examined 1) soil compaction and cotton yield response to …
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