青铜峡县1971年办小型菌肥厂9处,共生产“五四○六”菌肥62万多斤,施用面积2,000余亩,经在小麦、水稻、玉米、小糜子和蔬菜上试验对比,施用“五四○六”菌肥的,都获得增产,效果很好.广大贫下中农反映说:细菌肥料就是好,原料方便花钱少,制做简单肥效高,促进增产有保障.在“五四○六”菌肥的增产效果方面,1971年不少社队作了多种试验.施用方法上分浸种、拌种、基施、追肥等几种.在小麦上以用“五四○六”菌肥拌种 Qingtongxia County in 1971 to do a small-scale fertilizer plant 9, a total of “5460” more than 620,000 kilograms of bacterial fertilizer, the application area of ​​more than 2,000 acres, the wheat, rice, corn, small millet and vegetables on the test In contrast, the use of “504” bacterial fertilizer has been boosted and the effect is very good. The majority of poor and middle-income peasants have said that bacterial fertilizer is good, raw materials are easy to spend less, simple and efficient fertilizer production is promoted, In “5460” bacterium fertilizer yield effect, many communes in 1971 made a variety of tests.Application method on the points soaking seed, seed dressing, base facilities, top dressing and so on.In wheat on With “5460” Bacterial fertilizer dressing