APFIVE Environmental Effects of Soil Organic Matter
A soil scientist analyzes two adjacent agricultural fields with identical parent material and climate conditions. Field A has 3% soil organic matter while Field B has 1%. Which statement most accurately explains the environmental implications of this difference?
A
Field B will have higher cation exchange capacity
B
Field B likely requires more irrigation due to reduced water-holding capacity
C
Field A will require more fertilizer inputs to maintain productivity
D
Field A will experience more severe erosion during rainfall events
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