豆科绿肥紫云英、蚕豆是本省农田的基本肥源。近几年来,由于推广以磷增氮,根瘤菌拌种等绿肥高产栽培技术,绿肥产量不断提高。许多研究资料表明,豆科绿肥的生长不但需要磷钾等主要营养元素,而且也需要某些微量元素,其中钼是固氮作用和硝酸还原作用的参与者,可以增强豆科作物的固氮作用,促进作物体内的氮、磷营养代谢,提高作物的产量,改善产品的品质。我国东北地区的大豆主要产区,广泛采用钼肥拌种 Leguminous green Shi Weiyun, broad bean is the basic source of farmland in the province. In recent years, due to the promotion of phosphorus by nitrogen, rhizobium seed dressing and other green manure high-yield cultivation techniques, green manure production continues to increase. Many research data show that the growth of leguminous green manure requires not only the major nutrients such as phosphorus and potassium but also some trace elements. Among them, molybdenum is a nitrogen-fixing and nitrate reduction participant, which can enhance nitrogen fixation of leguminous crops and promote Crops nitrogen and phosphorus nutrition metabolism, improve crop yield, improve product quality. China’s northeast soybean production areas, the widespread use of molybdenum fertilizer dressing