(a) Site preparation fertilization and sowing of vegetable ploughing depth of 15 to 18 centimeters, applying 1000 kilograms of manure per acre as base fertilizer, making a 15 cm high file to facilitate drainage, sowing the seeds with a shelled spiral As a result, more seeds and bad seeds are found in the pods. Soaking in warm water at 55?60°C for 5 minutes before sowing, remove floating seeds on the surface of the water, soaking for 8 hours, sowing, multi-casting, and so on. Flat noodles, and then use a real pedal.苜蓿 需 需 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 苜蓿 æ’ç§. (B) Fertilizer management After sowing, water is poured once every morning and evening to promote early emergence. In particular, sowing in early autumn and late spring, the water can not be cut off before emergence, watering once a day after emergence, and watering can be stopped after 7 days. When there are two true leaves, topdressing is performed, and then liquid fertilizer is applied 1 time after each harvest. Apply urea 5-6 kg per acre. (c) Diseases caused by pests and diseases have viral diseases, and pests include aphids and small tigers. Virus disease occurred in July-September, aphids took place in April-May and fall was most severe in October-November. The management of fertilizer and water should be strengthened, and aphids should be controlled and used in a timely manner, and sprayed with 40 dimethoate 1500 times. (D) Harvesting When harvesting stems and leaves, the stems and leaves must be kept short and neat. The first harvest must be based on the principles of “low†and “flat†to make harvesting easier. In the early autumn, about 25 days after harvesting, harvesting began, harvesting 4 times, yielding 1,000 kg per acre; late autumn sowing only 3 harvests, yields of 600-700 kg per acre; in early spring, from mid-April to late May Harvesting, harvesting 3 times, 500 kg per mu; late spring sowing, harvest from early July to late July, receive 2 times, only 400 kg per acre yield. Seed sowing is generally planted in the middle of September. It requires 5 to 7.5 kilograms of fruit per acre. In winter, keep warm and antifreeze, and flower in late March. Seeds will mature in late April, and 80-100 kg per mu.
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