Topdressing sowing autumn garlic, in the seedling stage, before the winter before the top dressing, the application of fertilizer can use human waste or chemical fertilizers. In general, the amount of human fecal urine used per acre is 1,000-2,500 kg, or 15-20 kg of ammonium sulfate, or 7-9 kg of urea, followed by water. If garlic seedlings grow vigorously, they may not be top-dressed to prevent over-expansion of seedlings before winter. When covering the winter wheat straw or straw, spreading soil miscellaneous fertilizer, pond mud, etc., apply 5000-7000 kg per acre, can make the second year of plant convulsions early, large garlic, garlic weight. After the temperature rises in the spring, in order to meet the demand for nutrient in the spring period, it is necessary to topdress the spring fertilizer in a timely manner and human urine or fertilizer can be applied. At the time of convulsions, 20 to 25 kg of ammonium sulfate or 9 to 12 kg of urea is applied per acre. One month after the application of pumping manure, the scale buds of garlic enter a vigorous growth stage and require a large amount of nutrients. At this time, it is necessary to top-up a quick-acting fertilizer, and 3,000 to 4,500 kilograms of pig manure may be applied per acre, or ammonium sulfate 18 ~20 kg, or 8 to 10 kg of urea, can promote early bolting of garlic and improve the yield and quality of garlic bulbs and garlic bulbs. When fertilizing garlic, it is necessary to pay attention to two key periods of fertilization. One is to revive seedling fertilizer to promote the growth of garlic leaves, and the other is to promote head fertilizer to promote the expansion of garlic bulbs.
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