Answering Exams

Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:

Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:

A. Deep Tillage
B. Conservation Tillage
C. Both a & b
D. None of these

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