First, apply enough base fertilizer
Each acre of Sanfang brand 45% potassium sulfate compound fertilizer 80-100 kg, high-quality organic fertilizer more than 1000 kg, evenly applied to the whole layer of soil before the garlic field leveling.
Second, the top dressing 1, suitable for seedling fertilizer. Before wintering, in the 2-3 leaf stage of garlic, garlic has entered the stage of autotrophic growth, and the seedling fertilizer should be applied on the basis of applying the base fertilizer. The seedling fertilizer should be dependent on the growth of the plant. Because of the suitable seedling system, 20 mu of human excrement or 7-10 kg of urea can be poured into the water per acre. This is beneficial to the root system to absorb the nutrients in the topsoil, so that the garlic has 6-8 pieces when it is wintering. leaf.
2, heavy application of green fertilizer. When the temperature rises above 7 °C in late March. Garlic begins to grow green. At this time, the green fertilizer should be applied in time. The use of tri-potassium sulphate-type compound fertilizer 20-25 kg per mu promotes the differentiation of garlic and garlic after early return to green and strong seedlings.
3, skillfully apply pumping fertilizer. In mid-April, when the sheath leaves (the last leaf) are exposed, the best effect is applied. The fertilizer is mainly quick-acting fertilizer. It can apply 10 kg of urea per mu and 20 kg of potassium sulfate. This fertilizer is mainly used for garlic. The garlic grows to prevent premature aging and premature aging, premature application, and delayed convulsions.
4, discretionary head fertilizer. At the beginning of May, the garlic cloves began to expand. At this time, depending on the soil fertility and the growth of garlic, the amount of topdressing was determined. If the fertility is insufficient, the growth of garlic is not strong, and a quick-acting fertilizer should be added once, and the potassium sulphate-type compound fertilizer can be applied per acre. 30 kg.
Garlic fertilization technology
Garlic is a shallow root crop that requires a large amount of fertilizer and is more resistant to fertilizer. It is suitable for planting in sandy loam soil rich in organic matter, loose and fertile on the surface of the soil, comprehensive in nutrition, water-preserving, fertilizer-reducing and ventilating. For each 1000 kg of fresh garlic, it needs to be supplemented with a large amount of N, P, K, S nutrient elements (garlic is a sulphur crop), the main peaks of garlic absorption of nitrogen, phosphorus and potassium are concentrated in the elongation period of the cockroach, the secondary peak is the period of garlic expansion, and the absorption ratio of nitrogen, phosphorus and potassium in garlic It is about 1.2:1:1.2. According to the fertilizer requirement of garlic and the supply of soil nutrients, garlic cultivation management must take into account the nutrition and nutrition balance to achieve high yield and quality.
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