金寨县张冲乡位于大别山响洪甸水库上游山区，现有茶园面积４０６．７hm２，其中地处海拔５００m以上的高山茶园就有４３．５hm２。这些高山茶园是７０年代开辟栽植的，大多属单行栽梯式低产茶园。从９０年代末开始我们就对这些低产茶园逐年进行了改造。由于这些改造的高山低产 Jinzhai County Zhangchong Township is located in the upper reaches of the Xiangdaadian Reservoir in the Dabie Mountains. The existing tea plantation covers an area of ​​406.7hm2, of which 43.5hm2 is located in an alpine tea plantation above 500m above sea level. These alpine tea gardens were planted and cultivated in the 1970s, most of which were single-planted low-yield tea gardens. Since the late 1990s, we have reformed these low-yielding tea farms year after year. Due to these remodeled mountains low yield