腐殖酸是一种广泛存在于自然界的大分子有机物质,可通过直接刺激植物体内的代谢过程和间接改善植物的矿质营养两种途径来影响植物生长。介绍了腐殖酸调控植物生长的5个功能,系统总结了影响腐殖酸调控植物生长的因素。提出今后应深入探索腐殖酸在植物生长中的作用机制,特别是腐殖酸与其他植物生长调节剂的相互作用,为协同调控植物生长提供新思路;综合评价腐殖酸在植物生长促进方面的优缺点,合理制定其在农业生产中的应用方案,确保生态效益和经济效益的共赢。
Humic acid, a kind of macromolecular organic substance widely existing in nature, can influence plant growth through two approaches: directly stimulating metabolic processes within plants and indirectly improving their mineral nutrition. Five functions of humic acid regulating plant growth are introduced and the factors affecting humic acid regulating plant growth are systematically summarized. It is suggested that the mechanism of humic acid in plant growth should be further explored, especially the interaction between humic acid and other plant growth regulators, so as to provide new ideas for synergistic regulation of plant growth. It is necessary to comprehensively evaluate the advantages and disadvantages of humic acid in promoting plant growth, and rationally formulate its application program in agricultural production to ensure the win-win situation of ecological and economic benefits.
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