Shuitu Baochi Xuebao目的 针对宁夏南部山区春旱与春寒并重、土壤有效耕层浅等问题，为探究免耕覆盖对提升土壤水分利用和马铃薯产量的协同效应。方法 于2014—2016年连续3 a在秋作物收获后设置免耕覆盖秸秆(NJ)、免耕覆盖地膜(ND)、免耕不覆盖(NB)3种不同免耕覆盖模式，以翻耕不覆盖为对照(CK)，分析休闲期免耕覆盖模式对宁南旱区土壤蓄水保墒效果、降水利用和马铃薯产量的影响。结果 休闲期土壤蓄水量和蓄水效率均在相对枯水年以ND处理最高，分别较CK提高7.60%和140.35%；平水年和枯水年均以NJ处理最高 ...
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