我们杭州茶叶试验场已有二十多年历史,全场5000亩生产茶园。有些茶园由于茶树或土壤的原因,茶叶产量一直上不去,亩产干茶徘徊在200斤。对这类茶园,我们是采取换种改植的方法解决的。现以我场黄泥岗茶园为例,说明如下:一、茶园改造前的基本情况(图1)茶树于1958年播种,面积有49亩,品种混 We Hangzhou tea field has more than 20 years of history, the audience of 5,000 acres of tea production. Some tea plantations as a result of tea trees or soil, tea production has been on the increase, dry tea hovering in per mu at 200 pounds. For such kind of tea plantation, we have to solve the problem by changing the planting method. Now my field Wong Nai Kong tea garden, for example, described as follows: First, the basic situation before the transformation of tea plantation (Figure 1) Tea tree sown in 1958, an area of ​​49 acres, mixed varieties