Garlic is made from the nutrients stored in the garlic itself and softened in the absence of light. It is a favorite green food without fertilization. The cultivation techniques are now described as follows.
First, the cultivation bed is prepared
1. Indoor cultivation bed: indoor cultivation should be framed, the width is 1.2-1.5 meters, the length is 2.5-3 meters, the height is 1.7 meters, each layer is 4 layers. The ground floor is directly laid on the ground with sand or loam to a thickness of about 6 cm, and the remaining three layers are made of reeds or branches. Covered with plastic film or rain-proof felt to prevent water leakage, the bed is surrounded by plates or bricks, and the bed is covered with 6 cm thick sand or loam.
2. Plastic shed cultivation: firstly build a plastic shed with a width of 4-6 meters, a height of 1.5 meters and a length of 20-30 meters. The plastic shed is semi-underground, and the bed is dug 30 cm deep. The excavated mound is around the bed. To keep warm, the bed is covered with fine sand or loam of about 6 cm. The plastic shed is covered with a layer of 20 cm straw to protect it from light and light. The rainy weather can be covered with plastic film to prevent moisture.
Second, the selection of varieties of cultivation of garlic yellow should use the rapid growth of purple skin garlic, Zigong garlic, four-petal garlic and other varieties, the production of garlic yellow grows robust and tidy, cold-resistant, disease-resistant, high yield.
Third, garlic treatment garlic bulbs have a certain dormancy period, in order to break the dormancy, promote germination, to be treated before planting. The method is to remove the outer skin of the bulb, the basal disc and some or all of the garlic skin for moisture absorption and gas exchange. In addition, before sowing, it is also soaked in water for a day and night to make the garlic seed water absorb water and accelerate germination.
Fourth, the main points of sowing garlic in the protection of the ground or indoor production, in order to make full use of the land, increase the yield per unit area, planting should be as close as possible. When planting, put the garlic in a tightly packed bed in the cultivation bed, leaving as little space as possible between the garlic cloves. If the garlic is too small, the garlic can be split into two halves and placed directly in the bed, with 15-20 kg of garlic per square meter. When planting garlic, the top of the garlic should be neat, preferably flattened with a wooden board, covered with a layer of fine sand 3-4 cm thick, and then poured into the water, covered with plastic film on the bed to warm and moisturize, promote germination, After the garlic buds are exposed, the film is removed.
5. Temperature management Indoor cultivation of garlic yellow. If the temperature is lowered, the furnace can be heated to heat up. Before unearthing, the daytime temperature is controlled at 25 ° C, and at night 18 ° C - 20 ° C to promote early germination. After unearthing to the seedling height of 26 cm, the daytime temperature is controlled at 18 °C - 20 °C, and at night 14 °C - 18 °C. 4-5 days before harvesting, the temperature should be controlled at around 12 °C.
Sixth, water management indoor cultivation every 3-4 days spray water, plastic shed cultivation, under normal circumstances, garlic yellow growing period does not need watering, if the temperature is too high, the bed surface should be watered 1-2 times. The water source should use higher temperature groundwater instead of cold river water. Spray once every 7 days with 0.1% potassium dihydrogen phosphate or 0.2%-0.3% urea water, and stop watering 3-4 days before harvesting.
7. Scientific Harvest Under the conditions of suitable temperature and humidity, 15-20 days after planting, when the garlic yellow is 30-40 cm high, the first time, the garlic can be harvested 0.6-0.8 kg per kilogram of garlic. It can be collected again for 15-20 days, and can be castrated 2-3 times in a row. However, the second production was only 60%-70% of the first production, and the third production was lower and the quality was worse. A total of 1.2-1.5 kg of garlic can be collected per kilogram of garlic. After harvesting twice, it can be re-planted and planted separately.
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