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粉煤灰复合肥研制及其肥效研究课题由河南省电力工业局、省电力勘测设计院和河南省农科院土肥所共同完成。现将对粉煤灰的特性及成分、粉煤灰施用后其中所含重金属元素对土壤环境、农产品品质的影响等的研究结果分述如下 :1 粉煤灰的特性及成分1. 1 粉煤灰的物理性状粉煤灰的
Development of fly ash fertilizer and its fertilizer efficiency research topic by the Henan Provincial Electric Power Industry Bureau, Provincial Electric Power Survey and Design Institute and Henan Academy of Agricultural Sciences Soil and Fertilizer jointly completed. Now on the characteristics and composition of fly ash, fly ash after the application of heavy metals contained therein on the soil environment, the quality of agricultural products, the results of the study are as follows: 1 characteristics and composition of fly ash 1.1 coal Gray physical properties of fly ash