一、发展稻田玉米有五大好处(一)水旱轮作,改良土壤结构,减少病虫杂草玉米是中耕作物,与水稻轮作,使土壤改变了长期淹水状态,大孔隙率提高,通透条件改善,还能减少病虫杂草.像稗草之类的伴生杂草,在水稻连作时很难消灭,通过与玉米轮作便能大大减少. First, there are five major benefits of paddy field development of corn (a) rotation and drought to improve the soil structure and reduce weeds and weeds Corn is a row crop, and rice rotation, the soil changed the status of long-term flooding, macroporosity increased permeability Conditions improve, but also to reduce pests and weeds. Associated weeds such as barnyard grass in the continuous cropping rice is very difficult to eliminate, through the rotation with the corn can greatly reduce.