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How to achieve high yield
I. Dismissal in a timely manner to give play to the advantages of early-born and rapid-onset. There are few soils in seedlings, and as soon as the seedlings can be picked up and the soil is not spread out, the sooner it is thrown, the better. Generally, 15-20 days after sowing, and 8-10 days after evening sowing, about three leaves of seedlings can be thrown. The shorter the seedlings are, the quicker the growth of the seedlings can be restored, and the advantages of throwing lice early in life will be fully exerted, and the yield will be high. In general, seedlings are sown in mid-to late March. Second, control the throwing density, reduce the incidence of diseases and insect pests and enhance the lodging resistance. In recent years, the number of dumping fields per mu in each area has generally maintained 40-50 plates, which is approximately 1.8-20000 points. This is based on the planting density and ignores the fact that planting mites grow faster, more, and better than planting mites. . Therefore, it often results in excessively high density, inability to control ineffective delivery, and multiple diseases and pests and lodgings. In order to change this phenomenon, the fundamental method is to control the throwing density, throw 30-35 pans per acre field (factory seedlings 25-30), about 1.2-1.5 million points is better, that is to save seeds and increase production. Third, master throwing skills, reduce seedling deficiency seedlings. Before throwing, Honda must flatten and distribute (2 to 3 meters wide per square meter). The seedlings should be quantified (by tillers or by area). When throwing, 70% of seedlings should be thrown, leaving 30. % of seedlings to fill the blanks, we must pay attention to people around, throwing the place do not step on, to prevent the footprints too deep, seedlings sinking into the footprints drowned. In addition, it is better to put the fields in front of them one day ahead of time so that the soil can be dumped after the sinking. If it is not uniform, four to six days after throwing, all seedlings will be planted again at the same time, and it is best not to throw it up. Fourth, Shizujifei, timely fertilizer. The use of basal fertilization is the root of rice production, and throwing oysters is no exception. When Tian Tian is in Honda, 40%-60% of fertilizer can be applied, and organic fertilizer and phosphate fertilizer are better pre-stacked for one month. Organic fertilizer, phosphate fertilizer, and ammonium bicarbonate can be applied in Putian, and urea can be applied before casting. It is advisable to attack the manure fertilizer sooner rather than later. After 5, 10, and 15 days each time, the topdressing application will be combined with urea and potash. The attacking panicle fertilizer was applied once every 35 and 55 days after throwing, and was combined with compound fertilizer and potash fertilizer. Fifth, timely drainage of the sun to prevent the occurrence of pests and lodging. 25-30 days after the dumping, drainage should be started to increase the air in the soil and increase the root activity of the rice, which can reduce the occurrence of pests and diseases and increase the lodging resistance. Drainage drying time depending on the weather, the general requirements of the sun into the people without footprints as well, after the dry and wet. Six, do a good job of pest control, to ensure high yield and stable production. The cultivation of high-quality rice is the key to the prevention and control of pests and diseases. In particular, the resistance of high-quality rice is often inferior to that of hybrid rice, and special emphasis must be placed on disease prevention and control. In the drainage field, spraying Tian An to prevent sheath blight; spraying “Fuji-1†and “Kezijing†to prevent panicle blast in the break period and heading period to ensure high quality, high yield, and stable production.