1.氮肥用量:采叶茶园亩施纯氮20-40斤较适宜,七年平均亩产分别比不施氮增长45.52%和57.17%,不恰当地大量追施80斤以上氮肥既不经济又影响茶树生产。制茶品质也因用量增加而有所下降。2.追肥时期:春前尿素以茶芽一叶展期施比不施肥增产35%,磷酸铵以真叶展期施比不 1. Nitrogen dosage: 20-40 pounds of pure nitrogen in picking tea garden are more appropriate, the average yield per acre in seven years is 45.52% and 57.17% higher than that in non-nitrogen application. It is neither economic nor suitable Affect tea production. Tea quality also decreased due to increased usage. 2. Topdressing period: spring before the spring of tea buds show no fertilizer application yield 35%, ammonium phosphates to the true leaf Shi than not