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六年试验结果得出,玉米、小麦、大豆产量均轮作高于连作,其中,豆茬玉米六年平均产量5615.90kg/hm~2,连作玉米为4909.42kg/hm~2,二者之间达到1%极显著差异。麦茬麦六年平均产量1876.35kg/hm~2,豆茬麦为1540.78kg/hm~2,连作麦是1419.37kg/hm~2,三者之间达到1%极显著差异水平。麦茬豆六年平均产量 1613.63kg/hm~2,油菜茬大豆 1574.64kg/hm~2,连作大豆为 1428.06kg/hm~2。三者之间亦达到5%差异显著水平。
The results of six years showed that the yield of maize, wheat and soybean were all higher than that of continuous cropping. The six-year average yield of bean stubble corn was 5615.90kg / hm ~ 2 and that of continuous cropping corn was 4909.42kg / hm ~ 2 1% between the very significant difference. The average yield of wheat stubble wheat was 1876.35kg / hm ~ 2 in six years, 1540.78kg / hm ~ 2 in wheat stubble and 1419.37kg / hm ~ 2 in continuous cropping wheat, which reached the extremely significant difference of 1%. The average yield of wheat stubble was 1613.63kg / hm ~ 2 in six years, 1574.64kg / hm ~ 2 in rapeseed soybean and 1428.06kg / hm ~ 2 in continuous cropping soybean. Between the three reached a significant difference of 5% level.