你没亲身经历过,就不要靠想象说话。
回答: 平整土地,小块连成片,即扩展了农田,又便于机械化作业。机耕一尺二,加厚熟土层,肥力大增,产量大上。偶尔翻上来的生土,一两年后都变
由 XYZ94538
于 2021-02-16 13:19:51
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