First, we must replenish and deepen the fertility ditch. Each field has a "work" type of high-yield ditch, with a width of 40 cm and a depth of 30 cm. If it is not open, it must be replenished. If it has already been opened, it must be deepened so that it can be filled.
Second, it is necessary to leave the field in time. Landing is an important measure to promote rice jointing and booting. Timely interval of the field. Conducive to soil ventilation, control and promote, keep fresh and not bad.
Third, it is necessary to apply the ear fertilizer. Under the premise of controlling the total amount of fertilizer per acre (transplanting rice 95 kg of ammonium bicarbonate, direct seeding rice 85 kg of ammonium bicarbonate). The application of panicle fertilizer should be based on the principle of “seeing the past and looking at the timeâ€. Apply panicle fertilizer according to local conditions. Where the base is fat, the hair is good, and the leaf color can be turned back to black after resurfacing, the panicle fertilizer is generally 5-6 kg of urea, and the other is 7-8 kg of urea; the hybrid japonica is imported with compound fertilizer 10-15. kg. Hybrid japonica rice is fertilized 30-35 days before heading.
Fourth, we must fill the "fostering" water. During the differentiation of young spikes, the most demanding period of rice in the whole life, especially in the meiosis stage, is most sensitive to water, and it is necessary to timely fill the "foster" water. However, irrigation should not be too deep, otherwise it will affect soil ventilation, premature root failure and weak stems. For the field with high soil fertility, strong water retention capacity and a large number of seedlings, dry and wet and wet, mainly wet, so that the two waters do not meet. Promote good root development.
Five must prevent disease and cure insects. In the middle of a single late growth period, there are mainly pests such as sheath blight, rice planthopper, aphids, and rice leaf roller, and it is necessary to do disease-free early prevention and early treatment of diseases; prevention and control of pests should be promptly investigated and sprayed in time. The right medicine.
Second, it is necessary to leave the field in time. Landing is an important measure to promote rice jointing and booting. Timely interval of the field. Conducive to soil ventilation, control and promote, keep fresh and not bad.
Third, it is necessary to apply the ear fertilizer. Under the premise of controlling the total amount of fertilizer per acre (transplanting rice 95 kg of ammonium bicarbonate, direct seeding rice 85 kg of ammonium bicarbonate). The application of panicle fertilizer should be based on the principle of “seeing the past and looking at the timeâ€. Apply panicle fertilizer according to local conditions. Where the base is fat, the hair is good, and the leaf color can be turned back to black after resurfacing, the panicle fertilizer is generally 5-6 kg of urea, and the other is 7-8 kg of urea; the hybrid japonica is imported with compound fertilizer 10-15. kg. Hybrid japonica rice is fertilized 30-35 days before heading.
Fourth, we must fill the "fostering" water. During the differentiation of young spikes, the most demanding period of rice in the whole life, especially in the meiosis stage, is most sensitive to water, and it is necessary to timely fill the "foster" water. However, irrigation should not be too deep, otherwise it will affect soil ventilation, premature root failure and weak stems. For the field with high soil fertility, strong water retention capacity and a large number of seedlings, dry and wet and wet, mainly wet, so that the two waters do not meet. Promote good root development.
Five must prevent disease and cure insects. In the middle of a single late growth period, there are mainly pests such as sheath blight, rice planthopper, aphids, and rice leaf roller, and it is necessary to do disease-free early prevention and early treatment of diseases; prevention and control of pests should be promptly investigated and sprayed in time. The right medicine.
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