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Common problems in the process of garlic fertilization:
First, the amount of fertilizer is increasing. If the amount of fertilizer is too large, it will cause the garlic to grow in the early stage, and the early decline in the late stage, and some still burn garlic.
Second, the cost of fertilizer input is too high. Muping fertilization more than 400 yuan.
The third is partial application of nitrogen fertilizer, phosphate fertilizer, and neglect of potassium fertilizer. Easy to induce cracks in the garlic.
Fourth, some farmers are skeptical about commercial organic fertilizers and are reluctant to reduce the use of chemical fertilizers.
Fifth, some farmer's own farmyard manure is relatively rough in quality and does not fully ferment. It burns both the mother garlic and the burned seedlings.
The characteristics of counterfeit and shoddy water-soluble fertilizers in the garlic market are:
First of all, it is necessary to apply a small amount of fertilizer to the garlic root system. The root of garlic is a string-like fleshy root with no main roots. The roots are scattered on the stem of the base of the garlic clove. The roots are shallow, but the roots are more. Although the garlic root system is weak, it is very sensitive to fertilizer and water. Although it is more drought tolerant, it likes to be moist. Therefore, garlic must be fertilized, watered, and scientifically controlled.
Second, we must highlight organic fertilizer and balance fertilizer. According to research by the agricultural scientific research department, high-yield garlic fields should be applied with 12.5 to 18.5 kg of pure nitrogen, 10 to 11.5 kg of phosphorus pentoxide, and 12 to 13.5 kg of potassium oxide. Generally, the base (basic) fertilizer should account for the total amount of fertilizer. 60% to 70%. Based on this, 1,500 to 2,000 kilograms of decomposed human excrement or 4000 to 5000 kilograms of decomposed farmer's manure, or 100 to 150 kilograms of commercial organic fertilizer per acre, and high-content ternary compound fertilizer 50-60 with insufficient organic fertilizer kg. When 2 to 4 pieces of garlic are emerged, each person should be burned with 800-1000 kg of manure and 10 kg of urea. Before the winter, use fermented ash slag fertilizer to apply wax fertilizer, about 1500 kg per mu. Before bolting, 10 to 15 kg of urea per acre.
Third, we must adjust the soil moisture to achieve three guarantees and three controls. Before sowing, keep the soil moist before emergence, in order to benefit the whole seedlings. After emergence, control the moisture to prevent rotten mother and prevent the length of the leaves; keep the soil moist during the vigorous growth period of the leaves, control the moisture before bolting to promote the mining of moss; pick the water immediately after picking the moss to keep the soil moist, and promote the garlic to grow long . When collecting garlic, you should control the watering and promote the garlic.
Fourth, we must support the management to improve the effect of fertilizer and water. We should do a good job in supporting management measures. First, we must fine-tune the land to make the grass soaked in grass, so that the garlic can be rooted early. Second, the organic fertilizer should be screened and evenly spread, and spread evenly. Third, the field should be smooth and easy to drain. The fourth is to timely cultivate after emergence, improve soil permeability, promote new roots, and enhance the absorption of fertilizer and water.
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