Onion, garlic, vegetable topdressing should be treated differently

Fertilization technology is very important for the production of green onions, onions, garlic, leeks and other vegetables, and it also has a certain impact on its yield. Basically the same, all kinds of vegetables need to be applied to the base fertilizer, generally combined with the preparation of the soil for the application of sputum, 1000-1500 kg of fertilized soil per mu, 8-10 kg of superphosphate, 5-10 kg of potassium sulfate . The difference is that green onions, onions, garlic, and leeks have different requirements for top dressing.
Onion is started to be topdressed 7 days after planting. It is topdressed with 20% human excrement. Afterwards, the concentration gradually increases. The green onion needs 5-8 times of topdressing. The amount of fertilization is the highest in the growth period of white onion. 750 kg of urine, with 10-15 kg of urea and 10 kg of potassium sulfate. Fertilization is required to be applied in the evening. After application, water should be poured, and the manure water on the onion leaves should be washed into the soil to facilitate the absorption of fat in the roots.
After the clearing of the onion, the stems and leaves began to grow vigorously and the bulbs were inflated before the bulbs were inflated. Generally, 10 kg of ammonium sulfate was applied per mu, and 75 kg of grass ash was applied. After the summer, when the bulb begins to expand, the manure is applied once and the amount is 200 kg per mu. In addition, the onion is inflated, and then a top dressing is applied. 15 kg of urea per acre is applied and watered in time to keep the ground moist. Later, the bulbs gradually mature, and the fertilization and irrigation should be stopped. Otherwise, the water content in the bulbs is too much and it is not resistant to storage.
Garlic top dressing varies depending on the purpose of cultivation and the condition of the seedlings. The main reason for collecting green garlic is that the garlic leaves are soft and tender, and the growth is rapid. The top dressing should be applied to the manure and manure, and the thin application should be combined with watering. The cultivation time of harvesting garlic is longer, and attention should be paid to regular topdressing. Fertilization during green garlic can promote the growth of green garlic. It is not advisable to apply more fertilizer during the period of bulb expansion to avoid delaying maturity.
After the seedling height of the leek is 13 cm, the topdressing is started, and 10% of the manure is applied. After 20 days, the fertilizer is applied once again, and 20% of the manure is applied. After transplanting, the top dressing is started, and it is applied once every 5-6 days. The concentration is gradually increased from 10% of manure water to 50%. It can be topdressed twice for each harvest. Do not fertilize when twitching, fertilize after flowering to promote tillering.
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