腐植酸盐是一种生长刺激素,最初只有腐钠一种,是溶于氢氧化钠的风化煤、褐煤或草炭部分,经溶液过滤、干燥后形成的无规则的块状物。近年来随着生产上的广泛应用和科研的深入开展,腐植酸盐的品种也由腐钠一种增加到腐磷、腐钾、腐氮铃钾等等。后者和前者相 Humic acid salt is a growth-stimulating hormone, originally only a kind of rotten sodium, is dissolved in sodium hydroxide weathered coal, lignite or peat part, the solution was filtered and dried to form a random block. In recent years, with the extensive application of production and scientific research carried out in depth, the varieties of humic acid also increased from rotten sodium to rotten phosphorus, rotten potassium, rotten nitrogen potassium and so on. The latter and the former phase