保土培肥
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Preserve soil and raise fertilizer
以上为机器翻译结果，长、整句建议使用 人工翻译 。
玉米秸秆覆盖是利用作物秸秆覆盖地表，解决保土、培肥和控制水土流失的一项旱作农业耕作措施。
The research was conducted to investigate the effect of stubble and straw mulch on soil and water erosion on loess slope land by field test and rainfall simulation experiment in lab.
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