Variety of choice as early as the first month, second water early is appropriate. The origin of such species is in Sichuan. After the introduction of local varieties, the flood season is delayed by 7 to 10 days and the disease is aggravated. Generally, the planting of garlic is introduced from Sichuan every two years.
Before sowing, prepare the soil for ploughing and leveling and put it in line with the 2m specification. Make a half-millimetre width of the surface. Dig a longitudinal groove every 50 meters. Dig a horizontal groove every 25 meters. The side groove communicates with the inner three channels. . Combining ploughing and soil preparation, 4000-6000 kg of compost per acre or 2000-2500 kg of decomposed organic fertilizer, 150-200 kg of cooked cake fertilizer, 10-20 kg of pure nitrogen fertilizer, 8-10 kg of phosphorus pentoxide, Potassium oxide 8~10 kg. Before sowing, soak in the well water for 12~16 hours, remove and then dip 50% carbendazim wettable powder 500 times and 0.2% potassium dihydrogen phosphate for 6 hours.
The sowing time for sowing in the local area is early September, to ensure that there are 5-6 leaves before winter and the plants have strong cold resistance. Use 100-120 kg per acre. Sowing planting, spacing 18 to 20 cm, plant spacing 7 to 8 cm, planting 4000 to 5000 plants per acre. The petals should be kept upright, and the dorsal and ventral lines should be parallel to the furrows. The depth of sowing should be 3 to 4 cm, and the depth of the soil should be uniform. After sowing, cover the surface with 2 meters of deputy width and 0.004 cm thick. Leave 10 cm on both sides. After covering, use 3 to 5 holes per square meter with thin sticks. Then inject membrane water to make film and soil. In close contact with irrigation.
Field management seedlings in the top soil in time to break the membrane seedlings. Appropriate control of irrigation after emergence. In early December, one overwintering water is poured according to weather changes. After the beginning of spring, it will be watered according to the conditions of the seedlings and the weather, keeping the soil moist. In early March, the combination of watering urea 10~12 kg per mu, potassium sulfate 8 ~ 12 kg, 7 days before the mother retired fertilization, application of urea 8 ~ 10 kg per mu, after the soil watering according to soil moisture to keep it moist , stop watering before picking 5~7 days. The major pests and diseases include leaf blight, purple spot disease, gray leaf spot disease, soft rot disease, and root rot, etc., and should be based on agricultural control. Crop rotation should be implemented with non-onion and garlic crops; field management should be strengthened, and residual crops should be promptly harvested after harvesting. Residues clear out of the garden.
Harvesting garlic pods 10 to 12 cm in leaf sheaths and starting to shake the stalks is a good time to harvest garlic pods. Select sunny noon and afternoon harvest, harvesting method according to the specific circumstances. The dihydrated early garlic leaf sheath tightly, cut open or use a needle to open the pseudo stem, improve the yield and quality of garlic, but after the pseudo stem cut open, the plant withered late, the garlic yield is low, and easy to loose valve. Garlic can be harvested 10 to 15 days after harvest.
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