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1986年4月22日至5月13日,由省农业厅经作局、湖南农学院园艺系、益阳地区农业局共同组成的茶树病虫及天敌考查组对益阳地区的茶园进行了较全面的普查,现将调查结果报道如下: 一、调查方法与调查范围调查采用座谈访问与实地考查、全面普查与重点调查、分散与集中相结合的方法。
April 22, 1986 to May 13, by the Provincial Bureau of Agriculture Economic Bureau, Horticulture Department of Hunan Agricultural College, Yiyang Prefecture Bureau of Agriculture tea plant pests and natural enemies of the investigation group of tea farms in Yiyang more comprehensive Census, now the survey results are reported as follows: First, the survey methods and survey range survey using interview visits and field tests, comprehensive survey and key investigations, decentralization and concentration of a combination of methods.