Garlic cultivation technique in greenhouse

Garlic Yellow is a unique vegetable in China. It is cultivated under conditions of protection from light or shading. Its color is yellow-green, and its quality is soft, nutritious, and delicious. It is loved by consumers. Garlic cultivation includes greenhouses, garlic yellow pits, cave dwellings, and cellars, which are mostly cultivated in greenhouses. The following are introduced: (1) Planting time The greenhouse garlic cultivation and production season is long and can be continuously produced from cold dew to the following spring equinox. Depending on the market needs, it will be planted about 20 days before listing. (2) Variety selection The varieties with strong growth potential, wide adaptability and strong cold resistance, such as the Soviet Union No.2, Jiaxiang Garlic, Cangshan Garlic, and Quanzhou Meat Garlic are suitable. (III) Seedbed preparation The current cultivation beds used are: cultivation boxes, garlic sprouts, racks and general seed beds. The current multi-story bed will become the main form of cultivation. Above all kinds of seedbeds, must first shop 5-6 cm fine sand or nutritious soil, leveling to be broadcast. (4) Garlic seeds are treated with bulbous and full-filled, bright-colored, garlic-free garlic. Before sowing, it is soaked in warm water of 20-25°C for 24-36 hours so that the garlic seeds can absorb water and swell. Then the bulbs and the chassis of the garlic are removed, and then the garlic is germinated at 20°C. (5) Planting Garlic Cloves the garlic head tightly in the cultivating bed so that the top of the garlic clove is flush, cover 3-4 cm of fine sand, and then use a watering can to pour enough water, but do not collect water. Need to dry 15-20 kg of garlic per square meter. (6) Temperature and Humidity Control Warming of the greenhouse is started one week before planting. In order to promote early germination of garlic sprouts, garlic should be raised at an early stage, and the average daily temperature is controlled at 25-27°C. After germination, with the growth of garlic yellow, the room temperature gradually decreased to 18-22 °C. Reduce the temperature 5-6 days before harvest, 18-20°C during the day and 13-15°C during the night. The temperature is too high, Garlic Yellow grows fast, the plants are delicate and easy to fall down, thus reducing the yield and quality. The temperature adjustment is mainly achieved by the ventilation and ventilation of the grasshopper. After planting garlic, indoor air humidity is maintained at 85%-90%. During the late growth period, the garlic leaves grow densely and should be dehumidified to prevent decay. To reduce the water loss and wilting of the product before harvest, the indoor humidity should be maintained at 75%-80%. (seven) watering garlic planted every morning and evening after each pouring a small water, until the seedling height 3-4 cm when pouring a large water, 2 days after morning or evening pouring small water, the amount of water with garlic seedlings grow taller. When the seedling is 17 centimeters high, it is poured with a large amount of water. Pay attention to watering should not be too fierce, so as not to flush the garlic. After the previous harvest, the water should not be watered prematurely until the wound has healed. (8) After shading and softening seedlings 17 cm in height, they should be shaved for yellowing. In addition to covering with straw bales, black plastic film is also used to cover the loquat surface to weaken the greening of the leaves on the sunlight and promote the tenderness of the garlic sprouts. product quality.

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