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Cover Crops Impacts on Louisiana Corn Production and Soil Properties

Cover crop selection based on geographic location and climate is essential to facilitate efficient N uptake capacity of the cover crops and their potential benefits to row-crops. Monoculture corn, like many other crops, has conventionally been produced under an intensively tilled production system with high input requirements. The continuous monoculture row-crop production in the Mid-South has depleted the soil of its nutrients, but N is the most limiting nutrient in irrigated corn production. The objective of this trial was to evaluate the effects of cover crops and N fertilizer rates on corn grain yield, yield characteristics, and soil chemical properties in a conservation tillage corn production system.

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