近几年,温室果蔬效益高,各地种植规模越来越大,然而随之而来的温室蔬菜病害也困扰着种植户。一些种植户过量施用化肥、农药,隔三差五喷施农药预防、治疗病害成为他们管理温室果蔬的第一手段。3月19日,笔者在陕西省泾阳县、三原县蔬菜种植基地,却看到了可喜的一幕:有的西红柿种植户已经连续五年不打农药却能高产;有的种植户虽然已经连种五茬西葫芦,却能摆脱灰 In recent years, the greenhouse fruits and vegetables have high benefits and the planting scale has been growing everywhere. However, the ensuing greenhouse vegetable diseases have plagued growers. Some farmers over-fertilization of fertilizers, pesticides, pesticide application after three tricks, pesticide prevention and treatment of diseases as the first step in their management of greenhouse fruits and vegetables. March 19, the author in Jingyang County, Shaanxi Province, Sanyuan County, vegetable planting base, but saw a gratifying scene: Some tomato growers have been able to produce high-yield for five consecutive years without pesticides; although some growers have even five kinds of species Zucchini, but can get rid of ash