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1982—83年在我县清峰9队柑桔园,选择生长势较一致的10年生温州蜜柑树,于5月13日花谢3/4时,和6月18日第一次生理落果前,分别单独喷施80PPm赤霉素(即“九二○”,上海溶剂厂产)、0.1ppm三十烷醇(广西平乐县化工厂产)、20ppm
From 1982 to 1983, in the orange plantation of 9 teams in Qingfeng County, I chose the 10-year-old mandarin orange tree that grew more consistently. On May 13, I spent 3/4 hour on flower and before the first physiological fruit drop on June 18 , Respectively 80PPm gibberellin spray (ie, “920”, Shanghai solvent plant), 0.1ppm triacontanol (Guangxi Pingle County Chemical Plant), 20ppm