作物空间分布型对冬小麦—夏玉米农田资源利用效率的影响

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本试验以冬小麦矮抗58、夏玉米郑单958为供试作物,冬小麦设置2种种植方式:等行距条播(W1,行距20cm)和宽幅种植(W2,幅宽10cm、行距30cm);4种种植密度:105万株·hm-2(P1)、150万株·hm-2(P2)、210万株·hm-2(P3)、270万株·hm-2(P4)。夏玉米设置三种种植方式:等行距种植(A1,行距60cm)、宽窄行种植(A2,宽行距70cm、窄行距50cm)、正方形种植(A3,行距33.3cm或行距47.2cm);两种留苗方式:单株留苗(B1)、双株留苗(B2)
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