The point of fertilization of garlic
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Garlic also known as garlic, its cultivation is based on the purpose of harvesting seedlings, the experience of the growth period is mainly seedling period, more than one year can be cultivated. Garlic has a short growth period and requires less fertilizer. However, planting density is high, and the amount of fertilizer absorbed per unit area is large. At the same time, the garlic is often used for growing garlic, and the mother valve provides less nutrition, so the soil needs more fertilizer. In addition, edible parts are pseudo-stems and young leaves, tender and juicy, and delicious. Therefore, cultivation of green garlic can not be ignored. The main points are as follows: First, apply base fertilizer. The basal fertilizer can be combined with soil preparation, and 5,000 kg of farmyard manure per mu, or 2500 to 3,000 kg of human and animal manure, 15 to 20 kg of ammonium bicarbonate, and 50 kg of superphosphate as base fertilizer. Second, pay attention to top dressing. The top dressing is usually top dressing 2 or 3 times, and quick fertilizer is suitable, and nitrogen fertilizer is the main ingredient. The first topdressing is performed after the seedlings are out of the joints, and the amount of manure per acre is between 1000 and 1500 kg, or 10-15 kg of urea; the second topdressing can be carried out about 15 days before harvest, and the application amount can be the first time. the same. If the harvest later, you can add fertilizer once after the top dressing, top dressing amount is generally 667 meters 2 urea 15 to 20 kg. Third, return green fat. After harvesting in the spring, it is necessary to combine the pouring of green water, followed by the return of green manure in order to speed up the return of green crops and improve the quality and yield of garlic sprouts. Greenhouse cultivation of garlic, to prepare fertile culture soil. Fourth, outside the top dressing. After 5 cm in seedling height, apply a 300-fold diammonium phosphate solution every 7 days. After each foliar fertilization, the leaves should be rinsed with water to avoid fertilizer damage.