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(上接第7期)(2)病虫防治采取“四法并举”综防措施有机茶园不能使用化学农药,要采取农业的、物理的、生物的各种措施,来抑制虫害的发生,使病虫为害茶叶的程度控制在允许的范围内。1)生物制剂灭虫法病虫发生较轻时,不采取任何措施。当虫害较重,如小绿叶蝉、茶毛虫、刺峨等发生量明显增多时,即用Bt液(苏云金杆菌)等生物制剂杀灭部分害虫,一年内应用1～2次,控制害虫大暴发。2)茶园养鸡吃虫法 1999年在塘坞茶园试养了400多只家鸡,让鸡在茶园吃虫吃草,收到了一定的防效。饲养4个多月的家鸡可长到2千克左右,有一定
(Continued on the 7th) (2) pest control to take “four simultaneous” Comprehensive Measures Organic tea can not use chemical pesticides, to take agricultural, physical, biological measures to suppress the occurrence of pests , So pests control the extent of tea leaves within the allowable range. 1) Biological agents Pest control Pest and disease occurred less, do not take any measures. When the pests heavier, such as small green leafhopper, tea caterpillars, thorns and other significant increase occurs, that is, with Bt solution (Bacillus thuringiensis) and other biological agents to kill some pests, the application of 1 or 2 times a year to control the pest outbreak . 2) Chicken Farming in the Tea Garden In 1999, more than 400 chickens were tossed in Tong Wu Tea Garden to allow chickens to eat insects and graze in the tea plantation and received certain control effects. Chickens raised more than 4 months can grow up to 2 kilograms, there is a certain