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腐植酸与可持续发展 ……………………1(1)开发泥炭腐植酸营养基质产品的理论基础与应用前景 …………………………1(7)肥料中腐植酸测定的研究 ……………1(13)腐植酸类农药及其发展前景 ……………2(1)生物腐植酸与水产健康养殖 ……………2(7)肥料中腐植酸的测定之我见 …
Humic Acid and Sustainable Development ........................ 1 (1) Theoretical Basis and Application Prospects of Developing Peat Humic Acid Nutrient Substrate Products ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ (13) Humic acid pesticides and their development prospects ............... 2 (1) Biological humic acid and aquaculture healthy farming ............... 2 (7) Determination of humic acid in fertilizers I see ...