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1选用配套高产良种注意玉米与大豆品种的协调搭配,玉米品种选用株型紧凑中早熟类型品种,如川单418、成单30、登海605等;大豆品种选用耐荫性好、抗倒力强、品质优、产量高的夏大豆中晚熟品种,如农业部主导品种南豆12,四川省农业厅主导品种南黑豆20、贡秋豆4号,以及早熟大豆南夏豆25等。2规范玉米大豆带宽比采用宽窄行种植,玉米宽行160cm,窄行40cm;播种
1 Selection of supporting high-yielding varieties to pay attention to the coordination of maize and soybean varieties, maize varieties use compact type of premature varieties, such as Chuan Dan 418, Cheng Dan 30, Denghai 605; selection of soybean varieties with good shade tolerance, Strong, good quality and high yield of late maturing varieties of summer soybean, such as the Ministry of Agriculture leading varieties of Nandou 12, Sichuan Provincial Department of Agriculture leading varieties of black beans 20, Gongqiu beans 4, and early maturing soybean Nanxu 25. 2 specifications Corn Soybean width than the width and width of the plant, corn wide line 160cm, narrow line 40cm; sowing