A Grass Cover Crop Grown on Cropland Over the Winter

A grass cover crop grown on cropland over the winter season in a humid temperate region can be expected to ______

A) increase nutrient concentrations in runoff water
B) significantly reduce the amount of water percolating to the water table
C) significantly reduce the amount of nitrogen fertilizer that will be needed to grow the following crop
D) reduce the amount of nutrients leached to the groundwater
E) all of the above

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