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高美施活性液肥由中港合资北海高美施活性液肥有限公司生产。茶园位于四方湾、海拔260m左右，系1962年单行条插，1990年进行全台刈，茶园土质为红壤土，其土壤pH值6.5，供试园及对照园各1．5亩，历年单产基本相同。高美施活性液肥800借液用喷雾器对供试园茶树进行全面喷射（液
The United States Shi active liquid fertilizer by the Sino-Hong Kong joint venture Beihai Gaomei active liquid fertilizer Co., Ltd. production. The tea plantation is located in Sifangwan, about 260m above sea level. It was a single line inserted in 1962 and was completed in 1990 in Taiwan. The soil of the tea plantation is red loam soil. The soil pH value is 6.5 and 1.5 mu for the trial and control gardens respectively. the same. Gomes active liquid fertilizer 800 by liquid sprayer for test garden tea tree full injection (liquid