5.清理田园与粮田一样,菜地的杂草、残株败叶是病虫寄生和传播的桥梁。菜农在蔬菜收获后、种植前及生长期间,都要及时清理田园,将杂草、烂叶、植株残体清理干净。莫让病虫通过风吹、雨淋、灌溉、施肥时植株相互摩擦而一传十,十传百,传向全田。清理田园的第一种方法是铲除杂草, 5. clean up the pastoral and grain fields, vegetables, weeds, stubborn leaves is the parasitic disease and parasitic and spread the bridge. Vegetable farmers in the harvest of vegetables, before planting and growing period, should promptly clean up the pastoral, weeds, rotten leaves, plant residues clean up. Do not allow pests through the wind, rain, irrigation, fertilization, plant friction between each other and a pass ten, ten pass, pass to the whole field. The first way to clean up the pasture is to eradicate weeds,