How to grow green onions with high yield?

How to grow green onions with high yield? Please advise that although the growth process of Welsh onion is relatively simple, the technical requirements of field management are relatively high. In order to achieve the goal of high yield and high quality, the management measures are summarized as follows: 1. Early soil preparation, early transplanting and reasonable close planting are the key. Years of production experience shows that the yield of early transplanting Welsh onion is significantly higher than that of late transplanting Welsh onion. In addition, reasonable close planting is an important measure for high quality and high yield of Welsh onion, with a general plant spacing of 4cm and a row spacing of 25cm. two。 Ploughing and weeding should be done in time to prevent waterlogging from causing rotting roots. Mid-tillage can promote the root growth of green onions and increase the air permeability of the soil. Green onions are planted in the season of high temperature and Rain Water, and there are many kinds of weeds, so it is necessary to weed in time to prevent grass famine. July and August is the concentrated rainfall period in the northern region, which is easy to cause the phenomenon of green onions retting roots, yellow leaves and dry tips. In addition to doing a good job in preventing waterlogging and stagnant water, it is also necessary to break the table and disperse soil moisture early, so that the roots of green onions can carry out various normal activities. 3. The application of base fertilizer should be appropriate, and high yield and high quality should be guaranteed. Combined with the growth characteristics of green onions and local fertilization habits, generally 30 kg of "Tianji" phosphate nitrate was applied per mu, 30 kg of "Tianji" nitric phosphate fertilizer was applied per mu from July to August, and 25 kg of "Tianji" phosphate nitrate was applied per mu in late September. Click to get more green onion planting techniques click to get more vegetable planting techniques