The use of small sheds to carry out anti-season production of leeks can be harvested 2-3 当 that year, since the second year, 3-4 收 per year can be harvested, the average yield of more than 5,000 kilograms of leeks. Compared with solar greenhouses and plastic greenhouses, this model has the advantages of low investment, quick response, and low risk. The cultivation techniques are described as follows:
One, planting mode
Use one-time sowing, open-field cultivation, year-round management, winter production, and production methods that have benefited for many years. The leek cake is in the east-west direction to facilitate light reception, warming, 30-50 meters in length, 2.4 meters in width and 30 centimeters in width. A 2.4-meter-wide open space should be reserved between the eaves and eaves so as to facilitate the uncovering of agricultural operations such as haystacks and post-harvest ketchup transportation, as well as leaving room for land resumption in the future.
Second, sowing
1. Variety selection. Selection of pest-resistant, cold-resistant, hair early, strong ramets, good plant shape, short dormancy varieties, such as Hanzhong winter wolfberry, 791 snow pheasant, white root series, comet series.
2. Sowing period. Suitable sowing time is between Qingming and Guyu.
3. Seeding methods and steps. The method of artificial ditching is used more often. Before sowing, the basal fertiliser should be applied in the well-made pods. Generally, 20-30 kg of compound fertilizer containing nitrogen, phosphorus and potassium = 15:15:15, and 8-10 cubic meters of quality decomposed manure should be applied per acre. Thoroughly plow 20 cm with a rotary tiller to thoroughly mix the basal and bauxite. Irrigation within the water to make oysters (to watering is appropriate). On the second day, the ravine was shaved along the east-west direction with a furrow width of 25 cm, a ditch spacing of 5 cm, and a ditch depth of 2-3 cm. In order to facilitate agricultural operations, the gap in the middle of the gap should be wider, generally 20 cm. Spread the seed evenly into the ditch, and then use a rake to remove the rake.
Third, summer and autumn management
The small arch shed leeks are not harvested in summer, and they are removed in time when they are tender, in order to ensure the vigorous growth of winter leeks. After the beginning of autumn, the weather turns cold and is suitable for the growth of leeks. It is necessary to strengthen the top dressing and watering. Stop watering and fertilizing before cold dew exposure, so as to avoid causing the plants to be greedy and affect the accumulation of nutrients to the roots.
Fourth, arch shed to build
The small shed is mainly composed of cement columns and bamboo pieces. The cement column is 1.2 meters long and the section is 6 centimeters and 6 centimeters. Two rows of concrete pillars were buried along the east-west direction, and a row of pillars in the south was buried in the ditch of the third and fourth ridges of the south ridge. It was buried 25 centimeters deep underground, and a row of furrows buried in the sixth and seventh ridge leeks was planted in the north. It is buried 30 centimeters deep underground. The two rows of columns were tilted 10 degrees to the south and north respectively, and the cross-section was an inverted trapezoid. The distance between the column and the column is 2 meters and it is aligned from north to south. Pull two wires along the east-west direction to fix the various cement columns. Bamboo 4 meters long, curved, spacing 2-3 meters, north and south on the wire above the bamboo, the two ends of the bamboo in the middle of the leeks into the ground, and then the bamboo and iron wire, cement column connected fixed.
Five, buckle shed
Before and after the beginning of winter, cut off the dead leaves of the top part of the leeks, clean the leeks, apply the compound fertilizer on the pods, 40-50 kilograms per acre, and then evenly cover 5-8 cubic meters of organic manure with sufficient maturity. Drench the water once. With a 4-meter-wide leek special film buckle on a small arch shed, the soil is pressed along the east-west direction with a plastic film, and the grass is covered with straw and the temperature is increased.
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