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玉米是我国第三大粮食作物，种植面积和总产量仅次于小麦和水稻，其中黄淮海平原和长江中下游地区是我国夏玉米的主要产区。在我市，夏玉米也是主要的粮食作物之一，常年种植面积在８０万亩，但由于夏玉米一般生长在高温多雨的６～８月，因而杂草生长迅速，加上夏收、夏种...
Maize is the third largest grain crop in China with planting area and total output second only to wheat and rice. The Huang-Huai-Hai Plain and the middle and lower reaches of the Yangtze River are the main producing areas for summer maize in China. In our city, summer maize is also one of the main food crops. The perennial planting area is 800,000 mu. However, summer maize grows rapidly in June and August with high temperature and raininess. ..