First, growth habits
Garlic is stringy fibrous root; absorbent capacity is weak, bulbs grow and expand in the soil, so garlic should be selected soil loose, well-drained, organic rich land cultivation. Although the adaptability of garlic is relatively large, it is still better to use sandy loam. Due to loose sandy loam, suitable for root development, returning to early morning, twitching early, garlic large and spicy, garlic is easy.
1, temperature: hi cool, suitable temperature at -5-26 °C. The garlic seedlings have the strongest cold resistance in the 4-5 leaf stage, and they are the most suitable for the wintering Miaoling.
2. Illumination: The garlic that finishes the flowering spring begins to differentiate flower buds and scale buds under long-day sunshine of 13 hours or more and under higher temperature conditions, and is suitable only for the growth of stems and leaves in a short-day and cool environment.
3, moisture: wet afraid of drought
4. Soil and nutrition: The fertile loam that is rich in organic matter, loose air, and strong water retention is more suitable for soils. Second, planting preparation
The garlic-growing plots immediately tilled the sorghum after the harvest of the previous pod crops, and they were planted again before sowing. Basal fertilizer should be applied before ploughing. Due to the long growing period of garlic, high population density, large amount of fertilizer is needed, generally, high-quality organic fertilizer such as manure fertilizer and manure fertilizer of 5,000 to 8,000 kilograms per mu, and 20 to 30 kilograms of phosphorus and potassium fertilizers. Organic fertilizers must be fully cooked. If raw manure is used, it will burn the garlic roots during fermentation, and it will also cause underground pests, especially in the mantle.
1, site preparation. The depth of ploughing is generally about 20cm. Fine ploughing, leveling, and tamping are required. There is no obvious turbidity, reaching "qi, loose, broken, and net." According to the length of the water source, the length of the crucible can be lengthened, and the length of the crucible can be 80 to 100 m long and 4.2 to 4.4 m wide. The crucible can be made 40 to 50 m long and 4.2 to 4.4 m wide.
2, selection. Artificial pedicel flap, remove the garlic tray and stem plate, according to the large, medium, small and garlic heart grading, according to the specific circumstances of the treatment of small garlic cloves selection requirements are pure white no red, no scars, no saccharification, no light . The principle requires about 5g per grain weight. Seed size is the key to high yields.
3, timely sowing. Garlic sowing should be timely. The planting time is at the beginning of the fall (late September and early October) and the temperature is around 17°C. Garlic clove 1 to 2 days before sowing.
4, rational dense planting. General spacing 20cm, spacing 16 ~ 17cm, about 20,000 per 667 square meters. The method is to use a raft or opener to open the ditch, the ditch depth is about 5cm, and after the planting, the garlic covers about 1cm above the ground, and it should be remembered when planting.
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