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我区自1970年开始试制、应用“五四○六”菌肥以来,发展很快.据不完全统计,1971年全区生产菌肥350万斤,1972年即发展到了2,000万斤左右;青铜峡、平罗、石嘴山等县(市)已初步形成了以县(市)菌肥厂为中心的县、社、队三级生产网,其它一些县(市)近年来也有较大的发展.为了进一步推动我区“五四○六”菌肥生产、应用群众运动的蓬勃
My district since 1970 trial production, application of “5460” since the rapid development of bacterial fertilizer.According to incomplete statistics, in 1971 the province produced 3.5 million kilograms of bacterial fertilizer in 1972, that is, developed to 20 million pounds ; Qingtongxia, Pingluo, Shizuishan and other counties (cities) have initially formed a county (city) fertilizer plant as the center of the county, community and team three production networks, and some other counties (cities) in recent years have also been larger Development .In order to further promote my area “5406 ” bacterium fertilizer production, the application of mass movement vigorous