大豆富含营养,其籽粒含蛋白质40％,脂肪20％,碳水化合物30％,其豆油和豆制品为人民喜爱的食物。大豆根系有能固定空气中的氮的根瘤菌,收获后留给土壤的氮素达5—13斤/亩。在国际市场上,大豆的价格3倍于小麦。随着外贸事业的发展和人民生活的提高,大豆的需求量将越来越大,因此,发展大豆生产,其政治与经济意义是很大的。 但是,新疆大豆生产一直比较落后,六十年代虽发展到45万余亩,但七十年代长期 Soy is rich in nutrients, its grain contains 40% protein, 20% fat, 30% carbohydrates, its soybean oil and soy products for people’s favorite food. Soybean rhizobia, which fixes nitrogen in the air, leaves the soil with 5-13 kg / acre of nitrogen after harvest. In the international market, the price of soybeans is three times that of wheat. With the development of foreign trade and the improvement of people’s living standards, the demand for soybeans will increase. Therefore, the development of soybeans has great political and economic significance. However, soybean production in Xinjiang has been relatively backward, although the development in the sixties to 450,000 acres, but the long term of the seventies