alleryHow can a plastic sheet laid over farm soil help save water?
AIt cuts soil evaporation
BIt makes more rain fall
CIt pumps water upward
DIt melts soil minerals
Answer & Solution
Correct answer: A. It cuts soil evaporation
1. Plastic mulch is a thin sheet with holes for plants.
2. It reduces the evaporation of soil moisture.
3. It does not make rain, pump water or dissolve minerals.
_Source: Wikipedia, Water conservation, Agricultural applications_
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