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1 品种选择在第四积温带上限,活动积温达2200℃的区域,可选用黑河38号大豆或北丰97-24大豆品种,第四积温带中、下限可选用黑交99-1582或黑辐97-43等品系。总之,在品种选择上要选用主茎结荚、株型收敛、秆强,通风透光性好的高产、优质品种。2 选地、选茬在地块选择上宜选用有深翻基础,土壤养分含量高,有机质丰富,黑土层厚的地块。选择小麦茬最好,玉米茬和土豆茬也可以。
1 variety selection in the fourth plot of the upper temperature zone, the active accumulated temperature up to 2200 ℃ area, the choice of Heihe 38 or Beifeng 97-24 soybean varieties, the fourth accumulated temperate zone, the lower limit can choose black cross 99-1582 or black spokes 97-43 and other strains. In short, the choice of varieties to choose the main stem pod, plant type convergence, strong stalks, good ventilation and light of high yield, high quality varieties. 2 election, selection of land in the selection of plots should be used deep plowing foundation, high soil nutrient content, organic matter rich, thick black soil plots. Select the best wheat stubble, corn stubble and potato stubble can be.