1, the seeds are cool. After sun-dried corn seeds, the water is absorbed quickly after sowing, the germination is early, the emergence is neat, the emergence rate is high, and the seedlings are thick and strong.
2. Seed coating. Seed dressing with a new high-fat film 500 times solution can avoid the underground pests and diseases, isolate the virus infection, not affect the germination and swelling function, strengthen the breathing intensity and increase the seed germination rate.
3, before the broadcast. Soil moisture is the key to affecting the quality of seed emergence. The lyrics are good, the land is flat, the seeding depth is easy to be consistent, and the emergence is uniform and uniform.
4. Reasonable close planting. First, we must consider the characteristics of the variety and determine the amount of sowing. Secondly, if the soil fertility is good and the amount of fertilization is large, the suitable density will be large. On the contrary, in areas where it is easy to dry without irrigation, the planting density should be thin.
5. Determine the depth of sowing. The sowing depth is generally 5 to 6 cm. In clays with good lyrics, it should be properly soaked, 4~5 cm is suitable; loose sandy loam should be properly sowed, 6-8 cm.
6, suitable for seed fertilizer. Appropriate amount of fertilizer can supply nutrients for seedlings and promote seedling growth. The use of fertilizers should control the amount and isolate the seeds from the fertilizer to avoid burning seedlings. Generally, 5-8 kg of diammonium phosphate is applied in acre, and 800 times of new high-fat film is sprayed to increase the utilization rate of effective components of nutrient fertilizer.
7, after the suppression of suppression. After sowing the soil, it should be properly repressed, and the new high-fat film 800 times liquid can be sprayed in time to protect the water-proof evaporation, sun-proof and drought-resistant, heat-preserving anti-freeze, anti-soil layering, suffocation and isolation of pests and diseases, and increase the emergence rate.
8. Check the seedlings and make up the seedlings in time after the sowing. When there are few plants and lack of seedlings, it is necessary to replant in time. If there is no obvious lack of ridges, you can leave the double plant at the nearby planting point of the missing plant to make up the density, and at the same time, spray the new high in the corn seedling stage. The lipid film 800 times can prevent the infection of pathogens, improve the ability to resist natural disasters, increase the intensity of photosynthesis, and protect the growth of seedlings.
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