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夏玉米受高温多雨天气的影响,很容易出现缺苗断垄现象及发生病虫害,因此,夏玉米苗期管理要做好六及时。及时查苗补苗为保证全苗,应及时查苗补苗,用早熟品种催芽后补种或在幼苗4～5片叶龄前,于下午或阴天带土移栽补苗。玉米3～4叶时及时间苗,5～6叶时定苗,拔除弱苗、小苗、病苗、圆秆苗,选留大小一致的健
Summer corn affected by hot and rainy weather, it is easy to appear lack of seedlings off the ridge phenomenon and the occurrence of pests and diseases, therefore, summer maize seedling management should be done in a timely manner six. Timely check the seedling fill seedlings in order to ensure full seedlings, should promptly check the seedling fill seedlings, with premature seedlings after germination or seedling 4 ~ 5 leaf age, in the afternoon or cloudy with soil transplanting seedlings. 3 to 4 leaves of corn and time seedlings, 5 to 6 leaves Dingmiao, removal of weak seedlings, seedlings, disease seedlings, round stem seedlings, choose to stay the same size of health