编辑先生:您好!我是海南省的一个瓜菜种植户,在三亚种植了30亩的大棚哈密瓜,今年春节前,在结瓜约3斤大的时候出现细菌性角斑病等病害,使用了好几种农药都没能治好。正在我犯愁的时候,海口绿野农资公司杨经理来三亚开技术交流会,给我介绍了“铜高尚”这个产品,从产品技术资料上 Editor: Hello! I am a vegetable growers in Hainan Province, planted in Sanya 30 acres of greenhouse cantaloupe, before the Spring Festival this year, about 3 pounds in the fruiting time of bacterial angular leaf disease and other diseases, the use of Several pesticides failed to cure. When I was worried, Manager Yang of Haikou Green Agricultural Company opened a technical exchange meeting in Sanya to introduce me to the “noble copper” product. From the product technical data