1, to ensure that the whole seedlings: the whole seedlings is the basis for high yield, based on the choice of suitable seeds and precision sowing on the basis of a full seedlings to reach the seedlings full, Miao Qi, Miao uniform, Miao Zhuang. 2. Dingling in time: Dingling seedlings at proper time can avoid crowding of seedlings and help to cultivate strong seedlings. Usually 3 to 4 leaves when the Dingmiao, so that uniform seedlings, weak to stay strong, to stay small to stay healthy. If there is a shortage of plants, make up the seedlings in time. 3, early Shi Ti Miao Fei: In order to obtain uniform seedlings, Miao Zhuang, in the corn three-leaf stage combined with cultivator soil early Shi Ti Miao Fei. 4. Timely cultivating: cultivating is an important task in corn field management. The role of cultivator is to loosen the soil, circulate air, remove compaction, increase ground temperature, eliminate weeds and diseases and insect pests, reduce the consumption of water nutrients, promote soil microbial activity, and meet the requirements of corn growth and development. Seedling cultivator, usually 2 to 3 times. The first time the corn can be carried out, the depth of 10cm, to avoid pressure seedlings, buried seedlings. In the second and third cultivators, the seedlings should be shallow, the rows should be deep, and the cultivating depth should be 15cm. Do earthwork to prevent lodging. 5, seed dressing fertilizer: combined with the second cultivator, chase plant strong seedlings fertilizer, the amount of seed fertilizer and quite. 6, pest control: corn seedlings mainly underground pests, aphids, spider mites, leafhoppers, etc., should be early defense. Am Deactivator ,Eas Am Deactivator,58Khz Deactivator,Am Eas Deactivator ZHEJIANG BOSHINE ELECTRONIC SECURITY CO.,LTD , https://www.boshine.com