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铝,是茶树生长发育必需要的一种微量元素。茶园中,在加强培育管理基础上对茶树采用根外喷施,结合铝肥(钼酸铵)的刺激作用能使茶树生长茂盛,促进抽梢发叶,芽叶肥壮,扩大茶树采摘面。七九年我们在釜山大队一块七亩茶园上进行试验(该茶园是老式种植的,亩植2000株的茶园),通过喷施铝肥,平均亩产干毛茶301.5斤,超过七八年的亩产。
Aluminum is a trace element that is necessary for tea tree growth and development. In the tea plantation, on the basis of strengthening cultivation and management, the tea tree is sprayed with the root and the stimulation of the aluminum fertilizer (ammonium molybdate) can make the tea tree grow vigorously and promote the leaf shoots and sprout leaves to grow and expand the tea picking surface. In 1979, we experimented on a seven-acre tea plantation in Busan Brigade (the tea plantation was an old-fashioned plantation with 2,000 acres of acreage). Through spraying aluminum fertilizer, the average mu yield was 301.5 kg per mu, more than 78 acres of mu Production.