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为掌握茶叶主产区主推品种在代表性土壤上氮、磷、钾肥不同用量的肥效,确定适宜的氮、磷、钾肥施用量与配比,特进行了茶叶“2+X”肥效试验研究。结果表明,优化施肥处理的茶叶总芽数、有效芽、百芽重及产量均高于空白对照和常规施肥,且优化施肥处理的经济效益最高;在磷、钾肥用量相同情况下,施氮肥能促进茶叶增产增收,以1 3 0%优化施氮区的鲜叶产量和经济效益为最高。
In order to grasp the effect of different dosage of N, P and K fertilizers on the representative soils in the main producing areas of tea, and to determine appropriate application rates and proportions of N, P and K fertilizers, the effect of tea “2 + X” the study. The results showed that the total number of buds, effective buds, buds weight and yield of tea with optimized fertilization treatments were higher than those of blank control and conventional fertilizers, and the economic benefits of optimized fertilization treatments were the highest. Under the same phosphorus and potassium fertilizer application rates, Promote tea yield and income, with fresh leaves yield and economic benefits of 130% nitrogen optimization area as the highest.