Small shed double membrane covering plus grasshopper production leeks high efficiency
Choose a fertile vegetable garden near the water source for easy management. Construct a small shed, east-west direction is good, 3-4 meters wide from north to south, east-west length is determined by cultivation area, north-south direction, and the distance between shed and shed is 3-4 meters. should.
The selection of high-yield and cold-tolerant fine varieties, such as "Malenga" and "Hanzhongdong," are more suitable for local winter production. The first year live or seedlings were transplanted into a planned shed, with a 13 cm spacing and 10 cm spacing, 20-40 per hole. The second year of spring Mushi 8000 kilograms of high-quality farmhouse fertilizer loam soil, with Bacon divided into two. In late August, 95% trichlorfon was used to irrigate 300 times to control roots and remove weeds in time.
In mid-November, all the seedlings on the ground died. After the spring equinox returns to the roots, some stubble shoots on the ground are removed, the scaffolding is put in place, water is poured, and then the shed film is buckled. When the soil in the shed is not too wet, the soil is loosened and floats into the shed. Buckle film. The mulching film can increase the ground temperature by 2°C-3°C, which is 7-10 days earlier than the mulching film.
With the growth of leeks, the mulch should be loosened into ridges and ridges several times, and the mulch should be removed 5-7 days before harvesting so that it can be buckled after cutting the first knife. These days can promote the normal growth of leeks bent by plastic film. When it grows to 25-30 centimeters high, it is at the end of December. At the beginning of January, the head can be cut. At this time, the market price is about 4 yuan per kilogram. By the end of January and early February, the second crop will be cut. At this time, it will seize the opportunity of the Spring Festival market. The price is usually around 8 yuan per kilogram. Do not water before March, and cut the third crop later. In early March, depending on the soil moisture, it can be watered, supplementing 15-20 kg of urea per mu. By the middle of April, the fourth meal was closed, and then the film was peeled off to end the winter production. Acres yield 2500-3000 kg, mu income 4000-5000 yuan.
No longer harvest. In summer and autumn, fertilizer and soil management and timely cultivation and weeding are performed to prepare for winter production. This way of producing leeks in the winter can be continued for 4-5 years before renewing leeks and seedlings.
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