第105篇Saving Soil and Cropland》

第105篇Saving Soil and Cropland》-kingreturn
第105篇Saving Soil and Cropland》
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Saving Soil and Cropland

The world’s farmers are literally losing ground on two fronts—the loss of soil from erosion and the conversion of cropland to nonfarm uses. Both are well-established trends that reduce agricultural output, but since both are gradual processes, they are often not given the attention they deserve.

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