腐殖酸是一类高分子有机化合物。腐殖酸铵的水溶性高,代换量大,既是理想的有机无机复合肥料,又是一种优良的土壤改良剂。1973年我们采取干部、社员、技术人员三结合的方式,初次在米泉县井冈山公社春光大队二小队用腐殖酸铵进行碱化土壤改良试验。试验地布置在大田内的一块连作水稻地上,土壤肥力中等但属碱化的土壤,据生产队介 Humic acid is a class of polymer organic compounds. Ammonium humic acid high water solubility, substitution, is both an ideal organic and inorganic compound fertilizer, but also a good soil conditioner. In 1973, we adopted a combination of cadres, members and technicians. For the first time, we used ammonium humate to carry out alkalified soil improvement experiments in the second team of the Spring Brigade in Jinggangshan Commune, Miquan County. The experimentally arranged in a piece of continuous rice fields in the field, fertile soil, but the soil is alkaline, according to the production team