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保护地蔬菜病虫害防治技术——粉尘法,在京津郊区保护地广泛采用,江苏省部分市、县经过试用,均取得良好的防治效果。一、应用粉尘法防治保护地蔬菜病虫害的好处1.工效高采用粉尘法施药,每亩
Protected vegetable pests and diseases prevention and control technology - dust method, widely used in Beijing and Tianjin protected areas, some cities and counties in Jiangsu Province after trial, have achieved good control effect. First, the application of dust prevention and control of vegetable pests and diseases of the benefits of 1. Efficient use of dust method pesticide application, per acre