【摘要】 腐植酸具有优良的结构组成、理化特性、生物活性,是优质的有机质。因此,腐植酸在促进幼苗生长、增强肥效、改良土壤以及环境保护等方面具有重要意义。本文通过阐述腐植酸的特性,分别研究了腐植酸作为育苗基质、肥料、土壤调理剂和生物刺激素等在水稻育苗中的作用,探讨了其在水稻育苗领域应用推广中可能存在的问题与技术难点等,并展望了发展前景。更多还原

【Abstract】 As a kind of nice organic matter with excellent structure, physicochemical properties and biological activity, humic acid has great significance in promoting seedling growth, enhancing fertilizer efficiency, improving soil and protecting environment. Based on expatiating the characteristics of humic acid, the application of humic acid on rice seedling as substrate, fertilizer, soil conditioner and biostimulant were studied, respectively. The problems and technical difficulties in the application and promotion of the rice seedling and the development prospect were discussed.更多还原