After the plastic mulch film is covered by the potato mulch, it not only keeps the ridge of the soil moist, saves water, but also increases the soil temperature and promotes the growth and development of the potato. According to the experiment, potato tubers grown in film-covered cultures swell early and grow faster, which can not only shorten the growth period, raise the market, but also increase the commodity rate of the tubers. Specific approach: take a wide ridge double row cultivation, ridge width of 1.5 meters, double row staggered sowing, timely covering the film after sowing, film seedling emergence after emergence, to prevent the temperature is too high and burn seedlings. The cultivation of potato buns in the cultivation of potato buns utilizes the apical dominance of the potatoes to grow seedlings with small whole potatoes and then transplant them, or to allow the shoots to grow large shoots (short and stout shoots), and sowing (deep planting, shallow cover soil ) Watering in time after emergence and carrying out multiple earth-puddings, appropriately postponing the harvest period. Using this cultivation method can greatly increase the number of stems and tubers of the plant, thereby increasing the yield.
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