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用三种不同粘度的甲壳胺 (其中 1、 3号为虾壳制品、 2号为蟹壳制品 )处理水稻种子 ,其中 3号对水稻种子有明显促进生长作用 ,特别是对根的生长促进作用更强
Three kinds of chitosan with different viscosities (1 and 3 shrimp shell products and 2 crab shell products) were used to treat rice seeds. Among them, No. 3 had obvious promotion effect on rice seeds, especially for root growth promotion Stronger