Summer corn seedlings five measures to do a good job

First, check seedlings fill seedlings, seedlings to prevent shortage of seedlings to ensure that the whole seedlings, nursery seedlings should be promptly check seedlings, with early maturing varieties of germination after reseeding or in the seedling 4-5 leaf before the age of transplanting in the afternoon or cloudy soil with seedlings . When maize 3-4 leaves and time seedlings, 5-6 leaves Dingmiao, pull out weak seedlings, seedlings, diseased seedlings, round stalk seedlings, choose to keep a consistent size of the seedlings.
Second, timely cultivator, to prevent grassland seedlings should be 2-3 times the cultivator weeding, Dingmiao, cultivator should be shallow, deep 5 cm is appropriate. Before the jointing, cultivating the grass 1-2 times, promote the deep rooting of the secondary roots, the depth of 10 cm, between the rows deep, seedlings shallow. Advocate chemical weeding, use 100/120 hectares per 1/15 hectares of corn treasure or ethiopia mixture, and k50 kg uniform spray.
Third, check the pest control pest, pest damage prevention in a timely manner to clear the edge of the field, grasshoppers, heading weeds, eliminate aphids, fly fleas. Corn Thrips damages the heart and leaves of corn in mid-to late June, distorting the heart, causing silver-white streaks on the victim's leaves, and severe yellowing of the dead leaves. Control methods: 40% omethoate 25-30 ml, 30-50 kg water, or 50% phoxim EC IG00 spray.
Fourth, chase eccentric fertilizer, to prevent bullying on weak seedlings should take measures as soon as possible, single plant management, promote weak and strong, so that it quickly catch up with the height of the general plant, prevent late due to severe canopy closure, resulting in empty stalk or ear small, Alopecia lack of grain. The commonly used method is to apply eccentric fertilizer, and apply 5-10 kg of nitrogen fertilizer for every 1/15 hectare, apply it near the plants in the hole, and loosen the soil immediately after dressing.
V. Combination of irrigation and drainage to prevent the emergence of buds and waxy corn seedlings is characterized by drought-tolerant, as long as it is not severe dry early, generally do not need watering, but the case should be timely drainage. There are more rainstorms and torrential rains in corn seedlings. After rain, they should be drained in time to prevent hot rain from injuring stems and leaves and roots, causing dead seedlings. In particular, the plots with poor land quality and site preparation should be drained in a timely manner, and timely cultivators should be used to provide ventilation and prevent sprouting.

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