根据我区广大贫下中农和农业科技人员三年多来大搞“五四○六”菌肥生产和使用的情况来看,它对农作物确有增产效果,受到群众的欢迎。但也存在一些问题,致使有人对“五四○六”抗生菌肥究竟能否增产,产生了怀疑。我们对此作了调查研究和试验分析,认为影响菌肥增产的因素,主要有两个方面,第一是产品的质量问题,第二是使用 According to the situation of the vast number of poor and middle-level peasants and agricultural scientists and technicians in our region engaging in the production and use of “504” bacteria-based fertilizers in the past three years or so, it has indeed increased the yield of crops and is welcomed by the masses. However, there are also some problems that have led to some doubts about whether “antibacterial compound fertilizers” could actually increase the production of “5440”. We made a research and experimental analysis of this, that factors affecting the yield of fertilizer, there are two main aspects, the first is the quality of the product, the second is the use of