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最近一个时期,我们几个同志到了一些地方,就腐植酸生产,使用推广进行了一次专题调查,查阅了一些历史资料,收集了对腐肥应用的反映,验证了腐肥的优越作用。现就调查情况作如下汇报:(一)腐肥推广应用反映:腐植酸是生物残体分解形成的有机化合物,广泛存在于土壤泥炭,风化褐煤中,肥沃的土壤中含有腐植酸约10%左右,泥炭中含量约20-25%左右,风化煤中含量约在30-40%左右,利用这种原料,经过氨化加工
In recent days, several of our comrades visited a number of places and conducted a special survey on humic acid production and use and promotion, consulted some historical data, collected the reflection on the application of rotting fertilizer, and verified the superior role of rotting fertilizer. The investigation is reported as follows: (a) promote the application of fertilizer reflect: humic acid is the decomposition of biological residues formed organic compounds, widespread in soil peat, weathered lignite, fertile soil containing about 10% humic acid , Peat content of about 20-25%, weathered coal content of about 30-40%, the use of such raw materials, after ammoniation processing