What would a poor farmer in a very poor country most likely do to prevent leaching?

Leaching happens when water carries nutrients out of the soil. A poor farmer is unlikely to afford expensive fertilizers or chemicals, so planting cover crops is a low-cost way to help protect and replenish the soil. When the cover crops die, they decompose and return nutrients to the soil, making D, planting cover crops as natural fertilizer, the best choice.

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