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Does Adding Forage Radish Enhance Winter Rye Cover Crops In Northeastern Corn Silage Systems?, Kirsten Cynthia Workman
Does Adding Forage Radish Enhance Winter Rye Cover Crops In Northeastern Corn Silage Systems?, Kirsten Cynthia Workman
Graduate College Dissertations and Theses
Cover crops play an important role in decreasing erosion and nutrient runoff associated with corn silage production in northern New England. Winter rye (Secale cereal L.) is the primary cover crop species used in this region. While winter rye (rye) monocultures are easily established, they can be challenging to manage in the spring, expensive to establish at recommended seeding rates, and can interfere with the planting of subsequent corn crops. We hypothesized that adding forage radish (Raphunus sativus L.) to a rye cover crop could augment fall performance and enhance the ecosystem services provided by the cover crop and allow …
Cover Crops And Cover Crop Mixes: Stratification Of Biological Effects, Landon M. Gibbs
Cover Crops And Cover Crop Mixes: Stratification Of Biological Effects, Landon M. Gibbs
Theses and Dissertations--Plant and Soil Sciences
The potential nutrient cycling benefits from legumes (e.g. N2-fixation) and the high biomass potential of cereal rye are well known. Further studies are warranted to evaluate bi-culture mixtures and their effects on soil nutrient stratification and microbial enzyme activity because these two properties may be differently expressed (enhanced) by legume/grass mixes. The objectives of this study were: (1) show different cover crops and cover crop mixes containing grasses and legumes differentially stratify carbon and N; (2) show the change in microbial enzyme activity in soils planted with individual cover crops relative to cover crop mixes; 3) determine the …