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大豆根瘤菌肥是从大豆根瘤中分离选育出的高效菌种制成的一种生物肥料,它具有成本低、使用方法简单、经济效益高等特点。目前,大豆根瘤菌肥均采取工厂化生产,严格工艺操作,质量由省农科院土肥所统一监测。每克菌肥中根瘤菌有效活菌数达一亿个以上。一、大豆根瘤菌肥的增产效果和经济效益:通过三年(1983—1985年)在全省45个县(市)792个试验点,6种土壤和14个大
Soybean rhizobium fertilizer is a kind of biological fertilizer which is made from high efficient bacterial strains isolated from soybean nodules. It has the characteristics of low cost, simple using method and high economic benefits. At present, soybean rhizobia are taking factory production of fertilizer, strict process operation, the quality of soil and Fertilizer Institute of Provincial Academy of unified monitoring. Rhizobium bacteria per gram of bacteria effective viable count reached 100 million or more. First, the soybean rhizobium fertilizer yield and economic benefits: Through three years (1983-1985) in 45 counties (cities) in the province 792 test points, 6 kinds of soil and 14 large