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腐植酸是一种结构复杂的暗黑色无定形的有机化合物,它存在于自然界的土壤、泥炭、褐煤、风化煤、烟煤中,它是动植物残体经过复杂的生物化学变化而形成的一种有机弱酸,是由碳、氢、氧和少量氮、硫等元素组成的多功能团的化合物,它含有羧基、羟基、甲氧革、醌基、羰基等。由于腐植酸含有酚—醌结构,能活化微生物和动植物体内的生理生化过程,因此表现出一种良好的综合刺激素作用,能促进植物的呼吸和对养分的吸收,促进微生物的繁殖与活动。
Humic acid is a complex structure of dark-black amorphous organic compounds, it exists in the natural soil, peat, lignite, weathered coal, bituminous coal, which is the animal and plant debris after complex biochemical changes in the formation of a Organic weak acid, is a multi-functional group composed of carbon, hydrogen, oxygen and a small amount of nitrogen, sulfur and other elements of the compound, which contains carboxyl, hydroxyl, methoxy leather, quinone, carbonyl and so on. Because humic acid contains phenol-quinone structure and can activate the physiological and biochemical processes in microorganisms and plants and animals, humic acid shows a good synthetic stimulating hormone which can promote plant respiration and nutrient absorption and promote the reproduction and activity of microorganisms .