Before and after the winter leeks buckle shed management points

One, pre-stamp management

1. Clean oysters In early November, after a few frosts of leeks, nutrients have entered the bulbs and began to dry leaves. At this time, the stalks, dead leaves, and weeds should be cleaned up in order to reduce the harmful pathogens in the larvae and reduce the incidence.

2. After clearing up the piers, dig out the topsoil above the bulbs of the piers to expose the bulbs, expose the bulbs, and perform sun exposure and night freezing. This can break the dormancy earlier, make the outbreaks neat, and also eliminate the intrusion. Pier overwintering pests, do not hurt the roots while piercing.

3. After 6-8 days of irrigation and irrigation, 50% phoxim EC can be used per acre 1000 times solution or 80% crystal dipterex 500 times solution 80 kg can be used to prevent root damage.

4, timely application of fertilizer irrigation roots 3-4 days, can be applied between the rows of fertilization, generally per acre Shi maturity of high-quality organic fertilizer 2000-3000 kg or cake fertilizer 250-300 kg, after the application of soil cover and flat pier, and then poured Water, after the cover soil sinks, then cover a fine soil to bury the pier.

Second, after the shed management

1, after the temperature management leek shed, generally about 25 days can emerge. After emergence, the temperature in the shed is controlled at 20-25°C during the day and should be kept warm at night.

2. Appropriate soil cultivation When the seedlings grow to 6-7 cm in height, the soil is first cultivated and the soil height is 3-4 cm. When the seedling grows to a height of 10-15 cm, the soil is cultivated a second time. The height of the soil is 6-7 cm. This will be carried out 2-3 times. The root of the leeks will become a mound and the lines will become ditch.

3, fertilizer and water management cutting head knife Leek before, do not water, wait until the second knife leek 6 cm high, combined with watering, per acre chase compound fertilizer 20-30kg, after 4-5 days before harvest and then watering. After each cut, the ridges should be ridged and the bulbs should be aired. After the new leaves are grown, they can be topdressed with water and soil.

4, timely harvest When the height of the leek grows to 20-25 cm, generally before and after New Year's Day, you can harvest the first leek. The best time to harvest is on a sunny morning. Uncover the plastic film and harvest it from the base of the leek with a leek knife. After each knife interval 20-25 days harvest time, the second knife harvest time around the Spring Festival, the general shed harvest 3-4 knives, per mu up to 3000kg. (Shandong Xiajin County Vegetable Bureau)

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