Garlic base fertilizer should be based on organic fertilizer. Organic fertilizer usually refers to circle fertilizer, chicken manure, duck manure, manure, compost, cake fertilizer and so on. Whether the application amount of the base fertilizer is sufficient is directly related to the commerciality of the garlic and the wintering performance of the plant, so that the base fertilizer is applied to the garlic in production.
The application rate of the base fertilizer should be determined based on various factors such as the target yield of garlic and the amount of fertilizer required per unit area. It is required to apply 2500-3000 kg of pig fat or 4500-5000 kg of manure. Conditional application of cottonseed cake and other cake fertilizer 50-100 kg. It can also be applied as a base fertilizer by pressing green manure crops, fresh grass crops, etc. The chemical fertilizer applied with the organic fertilizer as the base fertilizer usually has superphosphate, nitrogen and phosphorus compound fertilizer, nitrogen-potassium compound fertilizer or ternary compound fertilizer. Apply about 75 kg of standard nitrogen fertilizer per 667 square meters. Nitrogen fertilizer should be applied 2/3 as base fertilizer and 1/3 as top dressing. Most of the phosphorus and potassium fertilizers are applied as base fertilizers. Phosphate fertilizer uses about 30 kg of superphosphate. When phosphate fertilizer is applied as base fertilizer, whether it is superphosphate or calcium magnesium phosphate, it should be mixed with organic fertilizer and shallow tilled into the plough layer. The amount of potassium fertilizer applied is generally about 30 kg of potassium sulfate per 667 square meters.
The application method of garlic base fertilizer is generally to apply half of the organic fertilizer before the cultivated land, evenly spread on the surface of the soil, combine the cultivated land, and turn the fertilizer into the ground; the other half concentrates on the ditch and makes the fertilizer Mix the soil and then sow. For example, when ammonium bicarbonate or organic fertilizer is used as the base fertilizer, it should be ditched or applied with water, and combined with the soil preparation after application, the fertilizer and the soil are evenly mixed. The application of phosphate fertilizer is preferably shallow, concentrated or layered. One can apply a part before the cultivated land, the other part is applied when the garlic is cultivated after ploughing, or it can be applied to the ground 6-10 cm after the soil preparation to facilitate the absorption and utilization of the seedlings, cultivate the strong seedlings, and improve the utilization rate of the phosphate fertilizer in the current season. Potassium fertilizer can be used in the arable land, with the arable land, and can be turned into the ground.
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