在毛主席“备战、备荒、为人民”的伟大战略方针指引下,在省委、省革委会正确领导下,一个以“五四○六”菌肥为重点的土法生产和应用农业微生物的热潮在我省遍地兴起。一九七一年,全省生产“五四○六”菌肥三十一亿多斤,在一千余万亩的各种作物上应用,获得了一定的增产效果。据北票县对827块实验田调查分析,施用“五四○六”菌肥,高 Under the guidance of Chairman Mao’s great strategic principle of “preparing for war, preparing for war and for the people,” under the correct leadership of the provincial party committee and the provincial revolutionary committee, an indigenous micro-organism that focuses on the “May Fourth” bacterial fertilizer production and application The upsurge in our province all over the rise. In 1971, the province produced more than 3.1 billion kilograms of “May Fourth” bacterial fertilizer and applied it to more than 10 million mu of various crops, gaining some stimulation effects. According to Beipiao County, 827 experimental fields investigated and analyzed the application of “May Fourth” bacterial fertilizer, high