Interseeding of Cover Crops to Improve Cover Crop Establishment and Performance

This project will develop and evaluate new cover crop planting strategies to improve cover crop establishment after late harvested crops. Cover crops add organic matter to the soil, improve soil tilth, capture soil nitrate that is susceptible to leaching into ground water, fix nitrogen (if legumes are planted), and suppress winter weeds. But here is […]

Estimating Plant-Available Nitrogen RElease From Cover Crops

A key benefit of cover crops is their ability to supply plant-available nitrogen (PAN) for the following crop. PAN consists of ammonium-N + nitrate-N. The PAN provided by a cover crop can replace purchased N inputs such as fertilizer, compost, or manure. But, to take advantage of this benefit, you need to know how to […]

Interseeding Cover Crops into Twin Row Soybean

A trial was established to evaluate the soybean yield response to interseeding cover crops into growing soybean compared to soybean yield without interseeding cover crops (control). Four treatments of cover crop and three planting dates were established using a randomized complete block design with four replications.

Annual cover crops for managed and wild bees: Optimal plant mixtures depend on pollinator enhancement goals

Agricultural intensification and landscape simplification have reducedflowering plant abundance and diversity worldwide, with subsequent negative effects on pollinators. To mitigate these effects, research and conservation have focused on incorporating flowering plants into agricultural landscapes through on-farm natural areas or flowering crops. However, while cover crops provide numerous agroecosystem services, they have received little attention for […]

Intersowing Cover Crops into Standing Soybean in the US Upper Midwest

Nutrient losses and soil erosion after soybean (Glycine max (L.) Merr.) harvest are common in the US Upper Midwest. Cover crops need to provide adequate growth and cover to prevent soil degradation throughout the winter and early spring months. The objective of this study was to determine the establishment of intersown cover crops and their […]

Critical Period for Palmer Amaranth Control and Cultural Control of Palmer Amaranth in Pickling Cucumber Systems with Cover Crops and Row Spacing

Studies were conducted in North Carolina to determine the effect of cereal rye and oat cover crops with or without herbicides on Palmer amaranth density and growth in no-till pickling cucumber. Cover crop treatments (cereal rye, oat, and fallow) were evaluated alone and in combination with herbicide treatments for effects on Palmer amaranth control and […]

Effects of Cover Crops, Compost, and Vermicompost on Strawberry Yields and Nitrogen Availability in North Carolina

Summer cover crop rotations, compost, and vermicompost additions can be important strategies for transition to organic production that can provide various benefits to crop yields, nitrogen (N) availability, and overall soil health, yet are underused in strawberry (Fragaria ×ananassa) production in North Carolina. This study was aimed at evaluating six summer cover crop treatments including […]

Winter Annual Cover Crops

Winter annual cover crops have been used in rotation with summer crops for many years in North Carolina, but now there are some interesting new applications of this practice. Early experiments date from the 1940s and show several important benefits of planting winter annual cover crops, chief among them erosion control, addition of nitrogen (N) […]

Winter Annual Cover Crops

Winter annual cover crops have been used in rotation with summer crops for many years in North Carolina, but now there are some interesting new applications of this practice. Early experiments date from the 1940s and show several important benefits of planting winter annual cover crops, chief among them erosion control, addition of nitrogen (N) […]

Summer Cover Crops

There is growing interest in the use of short-season summer annual legumes or grasses as cover crops and green manures in vegetable production systems. Cover crops can provide a significant source of nitrogen (N) for subsequent crops; reduce erosion, runoff, and potential pollution of surface waters; capture soil N that might otherwise be lost to […]

Planting Date Impacts on Soil Water Management, Plant Growth, and Weeds in Cover‐Crop‐Based No‐Till Corn Production

Low input and organic farmers are utilizing cover crop mulches in corn (Zea mays L.) production. Corn planting is typically delayed to improve the efficacy of mechanical termination with roller‐crimpers. During the late spring, as cover crops are allowed to grow to maximize biomass production, soil moisture reserves can become depleted, thereby directly impacting early […]

Brassicas as Biofumigants for Controlling Soilborne Organisms in Potato Production for Upstate New York and Northern Pennsylvania

Soilborne organisms are becoming more difficult to control due to pathogen resistance and restricted use of some chemicals. The cost of chemicals is also becoming a concern. Brassicas are of interest in that they produce glucosinolates, which can be converted to chemicals with biofumigant activity. In addition to providing some disease control, growing and incorporating […]

Brassicas as Biofumigants for Controlling Soilborne Organisms in Potato Production for Upstate New York and Northern Pennsylvania

Soilborne organisms are becoming more difficult to control due to pathogen resistance and restricted use of some chemicals. The cost of chemicals is also becoming a concern. Brassicas are of interest in that they produce glucosinolates, which can be converted to chemicals with biofumigant activity. In addition to providing some disease control, growing and incorporating […]

TERMS OF SERVICE: ENHANCING ESTABLISHMENT AND GROWTH OF INTERSEEDED COVER CROPS

Winter cover crops provide a suite of benefits but their use is limited because there is often not enough time after harvesting crops in the fall to establish cover crops before winter. Problems with establishment may be overcome by interseeding, where cover crops are seeded between rows of cash crops prior to harvest. Interseeded cover […]

Corn Density Effect on Interseeded Cover Crops, Weeds, and Grain Yield

A field experiment was conducted at three sites (New York, Pennsylvania, and Maryland) in 2016 to test the effects of drill interseeding a cover crop mixture consisting of cereal rye (Secale cereale L.), annual ryegrass (Lolium multiflorum Lam.), hairy vetch (Vicia villosa Roth), and red clover (Trifolium pratense L.) into organically managed corn (Zea mays […]