渭北旱塬保护性耕作对冬小麦-春玉米轮作田蓄水保墒效果和产量的影响

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张丽华,李军,贾志宽,刘冰峰,赵洪利,尚金霞

Effects of conservation tillage on soil water conservation and crop yield of winter wheat-spring maize rotation field in Weibei highland.

应用生态学报 . 2011, (07): 1750 -1758 .