Method of fertilizing garlic for high yield
Garlic is a bulbous crop that requires a large amount of fertilizer and is more resistant to fertilizer. It is suitable for cultivation in sandy loam soil rich in organic matter, loose and fertile soil surface, comprehensive nutrition, and good water and fertilizer retention. According to research, for every 1,000 kg of fresh garlic, 4.5-5 kg ​​of nitrogen, 1.1-1.3 kg of phosphorus and 4.1-4.7 kg of potassium are required, and the ratio is 3:1:3. Therefore, scientific fertilization is the key to achieving high-quality and high-yield garlic based on a full understanding of the growth characteristics and fertilizer requirements of garlic.
According to the growth characteristics of garlic and the characteristics of fertilizer requirements, in garlic fertilization, organic fertilizers should be used as the main fertilizer, and chemical fertilizers should be used as supplementary; basic fertilizers should be the mainstay, topdressing as supplementary; coarse fertilizers should be applied finely and chemical fertilizers should be applied in a smart way. *** Satisfy garlic's needs for nutrients to the limit during the growth and development process.
How to fertilize garlic for high yield
(1) Apply foot fertilizer:
Because garlic has shallow root system, few root hairs, and poor fertilizer absorption capacity, the quality of base fertilizer (especially for the purpose of harvesting garlic moss and garlic heads) is relatively high. Decomposed stable manure or cake fertilizer should be used as the main ingredient, combined with a certain amount of phosphorus and potassium compound. For mixed fertilizer, 5,000 kilograms of high-quality organic fertilizer, 100 kilograms of cake fertilizer, and 25-35 kilograms of NPK compound fertilizer are generally applied per mu.
(2) Early application of fertilizer to promote seedlings:
Early application of fertilizer for accelerating seedlings is beneficial to promote the rapid rooting and growth of seedlings after the emergence of garlic, and improve the overwintering performance of autumn sowing garlic. Seedling fertilizer is required to be carried out about 15 days after emergence. Except for those with higher fertility and sufficient base fertilizer, seedling fertilizer is not required. Generally, 15-20 kg of urea can be applied per mu.
(3) Increase the application of green fertilizer:
Greening fertilizer is generally applied when the temperature rises in spring, when the heart leaves and roots of garlic begin to grow, it is appropriate to apply 20-30 kg of urea per mu.
How to fertilize garlic to produce high yield? Method of fertilizing garlic for high yield
(4) Reapply bolting fertilizer:
Generally, it should be done when the differentiation of scale buds and flower buds is completed and the garlic moss is gestating. Since it enters the vigorous growth period at this time, the growth volume and the fertilizer requirement have reached the peak period, so it is generally required to reapply, accounting for about 40%-50% of the total topdressing, and 25-30 kg of nitrogen, phosphorus and potassium compound fertilizer per mu .
(5) Skillfully apply strong head fertilizer:
Strong head fertilizer should be carried out 25-30 days after bolting fertilizer application. The strong head fertilizer is mainly nitrogen fertilizer, with a small amount of phosphorus and potassium fertilizer to meet the nutrient needs of garlic sprouts and garlic heads. Generally, high-nitrogen compound fertilizer is applied per acre 15 Around kilograms.
The above is the method for high-yield fertilization of garlic. Friends who plant garlic can refer to the above methods and combine the specific planting situation to learn fertilization reasonably.
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