Maize is a cross-pollination crop, high-oil, high-protein corn should be properly contiguously planted; prevent the quality of the common corn string after the flower.
First, prepare the ground fertilizer early. Because of the high oil and high protein corn plant type, it requires more fertilizer than ordinary corn. 12.5 kg of diammonium or 50 kg of phosphate fertilizer should be applied in combination with the preparation of the soil, and 5 kg of urea and potassium fertilizer.
Second, when rushing to sow, reasonable close planting. If you encounter the rain after the harvest, you can plough the cockroach and smash it in time. When the rainfall is too small, you will see the irrigated or smashed the hard stalk and fight for the whole seedling. The first sowing period is the best sowing period in the first half of June. The maximum amount of sowing is 2.5--3 kg. The semi-compact type of high oil and high protein corn is 3500-4000 in the large water irrigation area and 3500 in the well irrigation area. The general row spacing is 60cm and the plant spacing is 30cm.
Third, skillfully use fertilizer water. Because of high oil and high protein corn, the water is fertilized. After the seedlings are planted, one water is poured in the small bell mouth period, the big bell mouth and the heading stage. In the small bell mouth period, combined with the cultivating soil to catch a panicle fertilizer, the general acre is 20 kg of urea.
Fourth, strengthen field management. It is necessary to timely seedlings, seedlings, and generally 3 leaf seedlings, 5 leaves of seedlings, where the hard-sowed field should be smashed early, for severe weeds, directional spray can be used to remove weeds quickly. .
5. Promptly control pests and diseases. At the seedling stage, attention should be paid to the control of Laodelphax striatellus, and early prevention of rough disease. In the medium term, attention should be paid to the prevention and control of corn borer and chafer. It can be used to mix 1605 powder or carbofuran 1 - 1.5 kg mixed fine soil (or fine sand); And red spiders are harmful.
6. Harvest at the right time and quickly remove it. This type of corn cob has the characteristics of stalk green leaf green when it matures, and is harvested immediately after the grain becomes hard.
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