AP Environmental Sciencehardmcq1 pt
Crop rotation with legumes reduces fertilizer need by
A.adding fixed nitrogen to the soil
B.adding phosphorus to the soil
C.stopping all nutrient loss
D.creating new water
Explanation
Core Concept
Rotating nitrogen-hungry crops with legumes banks soil nitrogen from fixation, cutting synthetic fertilizer input and its runoff.
Correct Answer
Aadding fixed nitrogen to the soil
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