1, species selection. Local farmers have reduced their heads, reduced the number 1 and other varieties.
2, nurture strong seedlings. Sowing at the end of September and early October, the per mu sowing volume is about 0.4kg, and the foot-burning ratio is 1:10. Pesticides were used to control aphids and whiteflies. Before transplanting, it is necessary to carry out the "field with fertilizer, medicine, and soil."
3, Shizu base fertilizer. Before the ploughing, compost organic fertilizer is 2000-2500kg per mu, and when the soil is set, 30kg of compound fertilizer (15-15-15) is used.
4, rational dense planting. Usually in mid-November, about 35 days of seedling age can be transplanted. About 20,000 plants are planted per acre in the coastal plains, and 1 to 15,000 plants are planted in the plains.
5, a reasonable fertilization. On the basis of applying basal fertilizer, top dressing is usually done four times. The seedlings are applied after planting or after the seedlings are transplanted, with 4~5kg of urea per mu; in late January, 25kg of ammonium bicarbonate with superphosphate is added with 20kg of superphosphate and 5kg of potassium chloride; at the end of February, heavy fertilizer is applied, and 25kg of urea per mu is added. Potassium chloride 12.5kg, every other week, depending on the amount of the field to make up for balance.
6, water management. In winter and spring, the ditches should be cleared in time to prevent the accumulation of water in the field, reduce the humidity in the field, and prevent the root from waterlogging and cause diseases. When long-term drought occurs after planting, drip irrigation, pouring and other methods can be used to fight drought and promote seedling regeneration.
7, pest control. The main defense against viral diseases, black spot, white rust, aphids and so on. Agents can use nannanmycin, chlorothalonil, chlorpheniramine, acetamiprid and so on. In general, 1 to 3 days before transplanting, alachlor and stilolac are used to control weeds.
8, timely harvest. The harvest usually begins in early April and ends around April 15.
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