陇东旱塬覆膜玉米产量和氮肥利用率对秸秆还田与减氮的响应

陇东旱塬覆膜玉米产量和氮肥利用率对秸秆还田与减氮的响应

Response of yield and nitrogen use efficiency of maize with plastic mulching to straw returning and nitrogen reduction in the dryland region of the Loess Plateau of Gansu eastern

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