Spinach is grown early in the autumn and is usually available for 30 to 40 days, meeting the market's demand for spinach and achieving high economic benefits。
Selection of varieties. Just into the fall, the temperature remained high. At this point, spinach is planted, with the choice of heat-resistant, seed-prone varieties。
2. Fertilizing the whole area. Vegetables have a high absorption rate of nitrogen and potassium, typically 1,000 kg per acre of kiss scavengers, 80 kg per cent compound fatter and 2 m wide thrust。
3. Sowing in due time. Early autumn spinach tends to sow in mid-august, usually at 1. 2 to 1. 5 kg per acre. At the time of planting, seeds are often sowed by low-temperature seedlings because of their high temperatures, which are detrimental to seeding and seedlings. The method is to load spinach seeds in bags, soak them into cold water for a period of 12 to 24 hours, when the seeds are filled with water, then tow them in wells (about 30 centimetres above water), wash them once a day with well water, and sow them after 5 to 6 days. The immersed seeds may also be placed in cryogenic freezers at 5°c or in the lower layer of the freezer room. Seeds are planted in moist soils, and for this reason, the dryer soils are pumped with water until the soil is swollen. It is then covered with straw or straw, with the conditions being best covered with sunnets to cool the wetting and soak the whole seedling. Before seeding, the spinach seed should be watered once a day, morning and evening, until the seeding takes place。
4. Field management. After seeding, cover is removed and weeds are removed in a timely manner. Keep the soil wet before and after seedlings are produced and, at high temperatures, properly control the amount of water being poured in order to prevent them from being wet over large seedlings. Repeatedly, with small amounts of light water or fast nitrogen fertilizer。
Prevention of pests. The main disease in spinach is frost, with two to three-year rotations for the severely ill plots; increased management of the nursery season, which is not too dense to sow so as to facilitate ventilation and increase the resistance of plants to the disease; and the treatment of pharmaceutical products, which can be used for 75 per cent of the 100 microbacteria clean 600 times the fluid spray. Prevention and treatment of spinach leaf flies, using 40 per cent of olego milk 1,000 times more liquid, or maggots 10 ml with 15 kg of water sprayed once for 7-14 days. Liangye
