Summer corn sowing technique

Summer corn sowing technique

First, delay sowing properly. The best sowing date for summer corn is from June 20 to June 30. It avoids high-temperature extraction and high yields. Corn is kept from boil. After sowing, it is sprayed with a bottle of spray of 100 kg of water. Second, seed selection and soaking. The varieties with strong drought tolerance (such as Shan No. 2 and Shandan 902 etc.) were soaked in the sun and then soaked in warm water at 55°C for 8 hours. After sowing, they were sown as to sow the seedlings. Third, check seedlings fill deficiency. At the 3rd leaf stage, transplants were made up to fill the gaps, and 5 leaves of Dingmiao seedlings were kept, leaving one seedling per hole. Fourth, fertilizer operations. The basal fertilizer uses 50 kg of compound fertilizer, adds 1 kg of zinc fertilizer, and spreads fertilization materials and then pulverizes the fine compartment. Fertilizer seed caves are strictly prohibited and affect seedlings. Topdressing at the six leaf stage, 15 to 20 kilograms of urea per mu, and re-irrigation at the hole. Fifth, control corn borer. In the nine-leaf period (and the big bell-mouth period), 1 kg net of corn insects was used for mu, and 15 kg of fine wet soil was lost. Prevention of Yuxi. 6. Spray Fengle Saint Lu. In the big horn period, Mu Fengle Shenglu 2 generation + potassium dioxygen phosphate 1 two + urea five two watered 50 kg spraying, can reduce plant height, increase crude, reduce baldness, increase seed-setting rate, increase production.

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