Advancing shed sheds: Select low-temperature-resistant plastic films to advance sheds or buckle sheds for winter, so that shed soil can be frozen as soon as possible.
Ditching soil: After the shed, in the place where the planting is to be planted, dig a 20-30 cm wide ditch, dig a layer of one layer, dig to 20-30 cm deep, sun drench the sun, and plant the ditch before planting. Horse manure, and restore the soil to accelerate the freezing and increase the temperature of the ground.
Shallow planting, pouring water: planting, the seedlings and the ground flat or slightly higher than the ground to prevent the planting too deep; planted after pouring water, prevent flood irrigation.
Open side ditch, deep loose soil: after planting, ditch the soil 5 cm away from the seedling mites (in the higher ground temperature, this can be used for fertilization), and deep sloping soil between the rows in order to facilitate warming Protect yourselves and promote easing of seedlings.
Multi-layer covering: a small arch shed in a plastic greenhouse can increase the temperature in the small arch shed by 2-4°C and increase the ground temperature by l-2°C. In plastic sheds, it can be used as a two-layer curtain to cover at night. The air temperature and ground temperature in the shed increase by an average of 1-2°C. A layer of grasshoppers of 1 meter in height is covered around the greenhouse to increase the temperature of the shed by 1-2°C.
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