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四川刘晓友、贵州饶柏青问:促进花木生根的激素有哪几种?怎么应用?怎么配制?经江苏陈恭悦同志答复如下,供花木栽培者参
Sichuan Liu Xiaoyou, Guizhou Rao Baiqing Q: What kinds of hormones to promote the rooting of flowers? How to use? How to prepare? Comrade Chen Gongyue, Jiangsu Province, responded as follows, for the ginseng ginseng