Today's winter solstice, the weather has cooled down. In addition to remembering to eat dumplings, friends should also pay attention to the warmth of their own vegetables! Farmers know this sentence: "Vegetables want to be planted well, cold-proof technology is very important." So, do you know which vegetables are planted with cold protection measures?
The low temperature in winter is mainly caused by vegetable roots, so vegetable growers must do a good job of keeping warm the roots of vegetables.
1. Soil and root protection
Before the soil is frozen, it is combined with cultivating to the root system of the soil, and a pile of soil with a height of 5-10 cm is piled up, so that the root of the vegetable can be insulated.
2, irrigation and insulation
At the onset of the cold wave, the temperature drops, and the heat capacity of the soil can be increased by irrigation, but remember that it is not possible to irrigate during the freezing period.
3. Spray fertilizer
Spraying fertilizer mainly increases the nutrients of the crop and enhances its resistance to resist the cold. Therefore, we can increase the application of farmyard manure, choose pig manure or human urine manure, or spray 0.2% potassium dihydrogen phosphate in the shed, but be careful not to apply nitrogen fertilizer!
4, covering the straw
Covering the straw, quilt and other things on the outside of the greenhouse vegetables to maintain the insulation effect of the vegetable greenhouse. Before the low temperature comes, it is also possible to sprinkle a layer of grass ash on the vegetables.
5, indoor warming
Indoor warming is a relatively common method of keeping warm. When the weather is too cold, you can add some light bulbs, stoves and other heating tools in the vegetable greenhouse.
6, timely harvest
In fact, when the vegetables are not mature enough, they can be harvested. Before the low temperature, the price of vegetables will increase, and early harvesting will not only prevent freezing damage but also increase profits.
The above is the 6 measures of the winter solstice low-temperature vegetable planting to keep warm and cold-proof organized by Huinong. I have learned it?
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