In summer, the high economical efficiency of the cultivation of alfalfa is high, but the cultivation is difficult and it is necessary to master certain techniques. Choose a heat-resistant variety that is cool and cool. In the summer, you should choose a variety that is resistant to heat and good quality, such as seasonal sweet oysters. Take measures to reduce the temperature can be used rain shelters and shade nets to cover the way to cultivate, or use intercropping form, such as in the cool and ventilated place under the loofah shed cultivation. The foot fertilizer is used to finely plough the land, apply basic fertilizer, and plant deep sorghum. Each mu of fermented organic fertilizer 2000 kilograms, ternary compound fertilizer 20-30 kilograms. Immersion sowing seeds soaked with cold water for 12-15 hours, taken out after the indoor stall, covered with wet bags, wash once a day. After 3-5 days, the radicles can be sown. Use 1.5-2 kg per acre. Strengthen the field management after sowing, covering the wet grass, watering and protecting it. Immediately after emergence, the cover was removed, and the spacing between rows was 4-5 cm. The seedling height is about 2 centimeters high and top dressing is applied with 0.03%-0.05% urea solution. Timely harvesting and listing will determine the harvest period based on the temperature and seedling size. Usually 25-30 days after sowing, the seedling height 6-10 cm began to pick and go listed. Mining large and small, keep thin and rare.
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