Models of Agricultural Land Use - AP Human Geography

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Question

The primary purpose of crop rotation is to                     .

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Answer

“Crop rotation” is a system developed during the Second Agricultural Revolution in order to preserve the mineral health of soil used in agriculture and prevents patches of land from being exhausted. The idea is that by growing different crops, in the same soil, in the different seasons the soil can be preserved for a much longer period of time than it otherwise might be. The reasons for this are numerous and complicated, but the simplest explanation is that different crops drain the soil of different minerals and, additionally, replenish the soil with different nutrients.

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