大豆玉米带状复合种植“2+4”模式下不同株距对大豆产量的影响

Effect of Different Plant Spacing on Soybean Yield under the"2+4"Model of Soybean and Maize Belt Compound Planting

为探究适宜江苏省阜宁县大豆玉米带状复合种植模式,文章设定大豆9877株/0.067 hm^(2)、8979株/0.067 hm^(2)、8030株/0.067hm^(2)、7598株/0.067 hm^(2)、7055株/0.067 hm^(2)等5种种植密度处理进行对比研究。结果表明:大豆密度为8979株/0.067hm^(2),即两行玉米+四行大豆,玉米株行距12.3 cm×40 cm,大豆株行距12.3 cm×30 cm,玉米与大豆间距70 cm,是产量最高、产值最优的株行距配置。

In order to explore the suitable soybean and maize belt compound planting model in Funing County,in this paper,5 kinds of soybean planting density treatments,including 9877 plants/0.067 hm^(2),8979 plants/0.067 hm^(2),8030 plants/0.067 hm^(2),7598 plants/0.067 hm^(2) and 7055 plants/0.067 hm^(2),were set for comparative study.The results showed that the density of soybean was 8979 plants/0.067 hm^(2),that is,two rows of maize+four rows of soybeans,the row spacing of maize plants was 12.3 cm×40 cm,the row spacing of soybean plants was 12.3 cm×30 cm,and the spacing between maize and soybean plants was 70 cm.