Garlic is stringy fibrous root; absorbent capacity is weak, bulbs grow and expand in the soil, so garlic should be selected soil loose, well-drained, organic rich land cultivation. Although the adaptability of garlic is relatively large, it is still better to use sandy loam. Due to loose sandy loam, suitable for root development, returning to early morning, twitching early, garlic large and spicy, garlic is easy.
The application amount of basal fertilizer should be determined based on various factors such as the target yield of garlic and the amount of fertilizer required per unit area. Basal fertilizer should be dominated by manure, chicken manure, duck dung, manure, compost, and cake manure. Apply 1000 to 1500 kilograms of organic fertilizer for Suichang soybean meal or 3,000 kilograms of manure or 5000 kilograms of manure and 50 to 100 kilograms of cake fat for cottonseed cake per mu. Chemical fertilizers that are used in combination with organic fertilizers as base fertilizers are usually superphosphate, diammonium phosphate, potassium nitrate or ternary compound fertilizers. Apply 75 kg of standard nitrogen fertilizer, 50 kg of superphosphate, 30 kg of potassium sulfate or 15 kg of potassium chloride per acre, or 65 kg of three-element compound fertilizer containing 15% nitrogen, potassium phosphate and 1.5 kg of zinc sulfate.
The application method of basal fertilizer is generally to apply half of the organic fertilizer to the arable land, spread it evenly on the surface of the soil, combine the arable land, and turn the fertilizer into the ground; the other half, when sowing, concentrates on furrowing and makes the fertilizer, Mix the soil and then sow. Nitrogen fertilizer should have 2/3 as base fertilizer and 1/3 as top dressing. Most of the phosphorus and potassium fertilizers are used as base fertilizers. Phosphate fertilizers, whether superphosphate or calcium magnesium phosphate, must be mixed with organic fertilizers, preferably shallow, concentrated or layered. A part of the crop can be applied before the cultivation of the land, and the other part is applied when the garlic is cultivated after planting, or after the soil preparation is applied to the ground at a depth of 6 to 10 cm to facilitate the absorption and utilization of the seedlings. Potash fertilizer can be used as farmland, and it can be turned into the ground when it is used with the farmland.
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