茶树喷施生物药肥后,质量和产量均明显提高,鲜叶亩产量增幅为6.76%~26.90%,酚氨比明显降低,水浸出物、水溶性糖及维生素C均有所增加。同时,生物药肥对茶毛虫、茶尺蠖和茶蚕等茶树主要鳞翅目害虫的防治效果可达90%以上,对天敌安全。
The quality and yield of the tea production were significantly improved after spraying TA-BR in combination with Bt. The yield could be increased by 6.76%~26.90%, the amino acids/tea polyphenols ratio was obviously reduced, while water extracted substances, the soluble sugar and vitamin C were higher than those of CK. In addition, the control effects of TA-BR in combination with Bt on the Euproctis pseudoconspersa ,Ectropis obliqua hypulina and Andraca bipunctata,which are the main tea pests,could reach above 90%, and this product is also safe for natural enemies.
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