伊犁河谷西部土壤肥沃 ,水源丰富 ,年≥ 10℃积温 350 0℃左右 ,无霜期 16 5天 ,4～ 10月份日照2 10 2小时 ,春天在开花至成熟的 6～ 8月份月平均气温 2 1.4～ 2 3.5℃ ,为春大豆最适宜种植区。通过多年的试验、示范和总结 ,本地形成了春大豆30 0 kg/ 6 6 6 .7m2 (旧制 1亩 ,下 The fertile soil in the western part of the Ili Valley is rich in water with an annual accumulated temperature of ≥10 ℃ at about 350 0 ℃, frost-free period of 16 5 days and April to October of 2,102 hours of sunshine. The average monthly temperature from spring to flowering in June to August is 2 1.4 ~ 2 3.5 ℃, the most suitable planting area for spring soybean. After years of experiments, demonstration and conclusion, the local formation of spring soybean 30 0 kg / 6 6 6 .7 m2 (1 mu in the old, under