How to prevent freezing of vegetables in winter, and what are the vegetables that are not afraid of

For plants, the nutrition is sufficient, the growth is good, the basic frost resistance of the cuticle thickening of leaves and fruits is very good, most of the antifreeze products on the market are composed of amino acids, medium and trace elements, these formula combinations, if the plant can really absorb and transform the utilization, can generally improve the frost resistance of the plant, so we mainly look at the absorption and utilization and the combination of the main ingredients when we choose.

Regarding the absorption and utilization, the light time in winter is short and the temperature is relatively low, the growth vitality of plants will also decline, so we use a lot of fertilizers with less plant absorption and utilization, which is why some antifreeze products work very well after use, and some do not work The main reason is that in fact, the feedback of the product effect is also the solution of product technology and problems.

For winter antifreeze products, it is recommended that you use foliar fertilizer that can solve the problem of low absorption and utilization caused by low temperature and short light factors, organic acid boron-calcium-molybdenum foliar fertilizer is this kind of fertilizer, rich in amino acids, boron-calcium-molybdenum and other elements, and the use of organic acid complexation technology, can improve the absorption and utilization of these elements by plants in the case of low temperature and low light.

In addition, there is a measure, that is, the use of photosynthetic bacteria and selenium-rich photosynthetic biological selenium foliar fertilizer, because of the presence of photosynthetic bacteria, can improve the photosynthesis of plants, supplement selenium-rich and organic nutrients contained in themselves, improve the plant's own resistance to stress, but also promote the plant root system is strong, flowering and fruiting is of good quality.

As follows:

1. Radish. Radish is a semi-hardy vegetable, the seeds can germinate at 2 3, and the suitable temperature is 20 25. The seedling stage can tolerate a high temperature of about 25, and can also tolerate a low temperature of minus 2 minus 3.

2. Shanghai green.

Shanghai Qingxi is cool, and grows best at 18 20 with sufficient sunlight, and 2 -3 can safely overwinter. Some varieties can also be cultivated in the summer, and the appropriate varieties must be selected according to the season. The cultivation soil is preferably loam or sandy loam, with good drainage and sunshine.

3. Celery. Celery is a cold-tolerant vegetable that requires cooler, humid environmental conditions and does not grow well in high temperature and drought conditions. Celery has different requirements for temperature conditions at different stages of growth and development.

4. Spinach. Spinach is a cold-tolerant vegetable, the seeds can germinate at 4 o'clock, the most suitable is 15-20, the temperature suitable for vegetative growth is 15-20, the growth is poor above 25, and the aboveground part can withstand the low temperature of minus 6-8.

5. Leeks. Leeks belong to the lily family perennial root vegetables, which are adaptable, cold and heat resistant, and are cultivated everywhere in China. Many areas in the south can be produced all year round, although the aboveground part of the north dies in winter, the underground part enters dormancy, and germinates and grows after the topsoil thaws in spring.

1. Spinach: Spinach is a representative of cross-winter vegetables in the north, with very strong frost resistance, and can survive the winter safely at more than ten degrees below zero.

2. Winter cold vegetables: Winter cold vegetables are dishes as the name suggests, that is, they are particularly resistant to severe cold; 3. Wuta-tami cabbage: Wuta-tami is particularly resistant to severe cold; 4. Kale:

In winter, it can tolerate low temperatures of minus ten degrees, and can still grow slowly; 5. Radish: Able to withstand low temperatures of minus 2 - minus 3.

Vegetables that are not afraid of freezing in winter in the north, the most common ones are spinach, cabbage and coriander, and there are many vegetables with good cold resistance, which can also survive well in winter, they are more typical vegetables that like cool weather, in fact, they are not afraid of freezing, but they are more cold-resistant, and they can grow normally in a lower temperature environment.

The ten types of vegetables that can be frozen are: tomatoes, kidney beans, cucumbers, eggplants, coriander, cowpeas, bok choy, white radish, mushrooms, and cauliflower.

1. Tomatoes

In fact, tomatoes can be frozen in the refrigerator without making sauce, wash the tomatoes and dry them on the surface, and throw them directly into the refrigerator to freeze.

2. Kidney beans

Kidney beans can be blanched and frozen, wash the kidney beans and select the two ends, blanch them in boiling water until they are slightly soft, remove the surface moisture to dry, and then put them in the refrigerator to freeze, and they can be used to stew meat in winter.

3. Cucumbers

Cucumbers in summer can be kept until winter to eat, wash the cucumbers and cut them into thin slices, mix well with salt to marinate the water, and then press out the water in the cucumbers with a heavy object, you can put them in a fresh-keeping bag and freeze them in the refrigerator, you can eat them any way.

4. Eggplant

Eggplant can be sliced and dried and preserved, or the eggplant can be broken into large pieces, steamed until eight ripe, taken out to cool, packed in a fresh-keeping bag, put in the refrigerator for freezing, and does not affect the use.

5. Coriander

Wash and drain the coriander, be sure to dry the water, so that it will not freeze into a lump when frozen, cut them into sections and freeze them in the refrigerator, it is very convenient to eat and take at any time, and the taste is the same as fresh.

6. Cowpeas

When the sun is good on a sunny day, the cowpeas are scalded with boiling water until the color changes slightly and softly, and they can be dried in the sun, and they can be dried in one day.

7. Baby cabbage

Wash the cabbage, blanch it in boiling water, quickly pick it up after changing color, cool it with water, remove the water, put it in a fresh-keeping bag, and put it in the refrigerator for freezing. The cabbage preserved in this way is still green in color, and the eating method is no different from that of fresh cabbage.

8. White radish

White radish has too much moisture, and it is not delicious to chop and freeze directly. Jianxiang Liang proposed to add a small amount of salt and sugar to marinate for a period of time to remove the moisture, and then freeze.

9. Mushrooms

The most recommended frozen mushroom is the mushroom. They are outstanding for disposal before freezing (slicing mega burst rooting). You can pull it straight out without freezing. Cooking soups and vegetables is simple. Freezing also does not damage the cell walls, making the stale taste easier to relieve.

10. Cauliflower

Cruciferous vegetation is particularly suitable for freezing - cauliflower Cauliflower is boiled in boiling water, boiled with salt for 7-8 seconds, and then cooled and frozen.

Corn: Peel off the thick skin of the outer layer of corn and leave the inner skin of the three layers of corn in the right trace. You don't have to remove the corn stalks, let alone wash them.

Put it in a plastic bag, seal it, and store it in the closed freezer of the refrigerator. Fresh corn can be stored for a long time, at least until the next corn season, so that it can be eaten at any time. When you want to eat it, you take it out and eat it steamed and boiled, and it tastes as if you had just picked it up.

Peas: The nutritional value of peas is very high, remove the skin of peas and boil them in boiling water until they are half raw, take them out and use cold water until the beans are completely cold, drain the water and put it in a bag to freeze. Peas are sweet and flat in nature, and the nutrients are very rich, peas are beneficial to urination, shengjin liquid, detoxification, antidiarrheal dysentery, and lactation.

Green peas can be eaten lightly boiled or mashed with pea seedlings and squeezed to juice, all of which can be used for milking. Tomatoes: After buying, wash them, dry them on the surface, put them in a food bag, and then place them in the freezer compartment of the refrigerator, where they can basically freeze after three hours.

In this way, if you put it in the refrigerator, you can take it out at any time in winter and thaw it to cook, and the taste and nutrition are very good.

1. Skillful application of fertilizer, fertile soil and root protection, and increasing organic fertilizer before frost damage can enhance soil insulation performance and improve the frost resistance of vegetables. If it can be combined with available phosphorus and potassium fertilizer, the antifreeze effect will be better.

2. The part of vegetables that is most susceptible to frost damage is the root and whisker pith. Before mid-December, when the weather is fine, 1500 kg of livestock and poultry manure per mu can be mixed with soil and evenly cultivated in the roots of vegetable seedlings to prevent frost damage. Be sure to pay attention to the manure that has been fully rotted so as not to burn the vegetable seedlings.

Onions, spring cabbage, spring lettuce, mustard greens for stems, cabbage, etc., should be watered as little as possible before wintering, but seedling fertilizer should be applied 1 or 2 times. Before the ground freezes, it is best to apply manure once and cultivate the soil to prevent cold.

3. Timely winter irrigation, water and air are larger than heat capacity, before the invasion of cold snaps, timely irrigation while the weather is clear, which is conducive to soil absorption of water, storage of heat, and reduction of frost damage. After the cold snap, winter irrigation can be done in time when the weather warms up and the soil and vegetable roots thaw, which can timely improve the moisture required for the growth of vegetables, which is conducive to the healing of wounds of injured tissues and reduces the degree of frost damage. The amount of winter irrigation should be completely infiltrated on the same day, and after the clay is watered, sprinkle with a layer of fine soil or pig manure to avoid soil cracking and keep warm.

4. Cover the cold protection, before the severe winter, cover the vegetable seedlings with wheat straw, corn straw and other materials, which can not only reduce the cold wind damage near the ground, but also make the frost condense, release heat, and reduce frost damage. However, the amount of coverage is not easy to be too much, only a very thin layer is needed, and there is a certain amount of light transmission space. The general mulching is 100 200 kg per 667 square metres.

After the soil thaws in spring, the covering grass should be removed in time so as not to affect the growth of vegetables.

5. It can also be covered with a layer of plastic film at the seedling stage of vegetables, so that the thermal insulation effect will be better. When planting peas encounters cold winter weather, medium and small arch sheds can be erected in the field, covered with film and covered with straw curtains. In case of continuous rain and snow, cover double membranes and double curtains throughout the day, but it is necessary to open the curtains to receive light, pay attention to ventilation, and sprinkle dry fine soil on the furrow surface in time to avoid soil moisture and water droplets in the membrane.

Ventilation, sprinkling, and loosening of soil have a significant effect on disease prevention.

Cabbage in the field in winter can be covered with plastic film or covered with straw. In the case of ripe cabbage, the plastic film or the floating surface of the straw must be firmly covered around the film to avoid being blown away by the wind. If it is a newly emerging vegetable, it is best to cover it with mulch, which can raise the temperature of the soil and prevent frost.

Cabbage in the field in winter can be covered with plastic film or covered with straw. In the case of ripe cabbage, the plastic film or the floating surface of the straw must be firmly covered around the film to avoid being blown away by the wind. If it is a newly emerging vegetable, it is best to cover it with mulch, which can raise the temperature of the soil and prevent frost.

1. Scientific fertilization.

Increase the application of organic fertilizer, promote soil looseness, increase ground temperature, increase soil insulation capacity, cooperate with the application of chemical fertilizers to control nitrogen and increase phosphorus and potassium fertilizer, promote root development, and enhance cold resistance.

2. Strengthen field management.

Before the occurrence of low temperature frost damage, combined with cultivating soil and fertilization, generally from late November to late December, human and livestock manure can be cultivated with soil in the roots of vegetable seedlings, which can not only prevent cold, but also improve soil temperature and protect roots.

3. Cover the cold.

Before the arrival of low-temperature frost damage, each mu should be evenly covered with straw or plastic film on the vegetable furrow and vegetables to prevent frost damage. However, it should not be covered too tightly so as not to affect the light and affect the growth of vegetables.

4. Irrigation and anti-freezing.

Watering on a sunny day before a cold snap arrives is good for the soil to absorb and store heat, so that the soil temperature does not drop too low.

5. Set up a windshield wall.

A windshield wall with plant straw or plastic film can be set up in the northwest direction of the vegetable field, which can play a role in keeping warm and anti-freezing.

6. Smoke and antifreeze.

Before frost damage is approaching, smoke with straw around the field to prevent it.

7. Harvest ripe vegetables in time.

**The Meteorological Observatory continues to issue a blue warning for heavy snowfall, how to prevent frost damage from vegetables in the open field?

Okay, that's all for what I'm going to share with you today, there will be blizzard weather in many places next, so farmers who grow open-field vegetables need to do some anti-freeze damage work now, and friends who don't know can learn from the anti-freeze damage measures shared with you! If you think this article is good, collect it!

Do sunny furrows. Vegetable furrows are more sunny to absorb sunlight. In winter, it is best to plant vegetables thicker and deeper, and plant them in a sheltered ditch.

Control watering. It is strictly forbidden to water during the low temperature period before the arrival of rain and snow, so as not to reduce the ground temperature and aggravate cold damage and frost damage. It is necessary to achieve "three watering and three non-watering", that is, watering on sunny days and not watering on cloudy days; Watering before the afternoon and not in the afternoon; Water little, not large.

Increase fertilizer application. Organic fertilizer is mainly applied to promote soil loosening and enhance soil thermal insulation. At the same time of applying sufficient organic fertilizer, it is necessary to use some available phosphorus and potassium fertilizer. Do not use fast-acting nitrogen fertilizers before the cold arrives.

Cover against the cold. The frost damage of vegetables is mainly caused by wind chill, frost damage, dry freezing and low temperature. Before the severe winter comes, cover the vegetable seedlings with wheat straw, straw, corn stalks and other materials, and only need to cover a thin layer to reduce the wind damage near the ground, and also make the frost condense, release heat, and reduce frost damage.

Set up barriers to block the wind. In the north of the vegetable furrow, use straw or film to make a meter-high wind barrier, and set up one every 2-3 furrows, which can also play a role in cold protection and warmth.

Dehumidification and stain reduction. In winter, the groundwater level is high, in case of rain and snow, soil moisture increases, and vegetables in the field, especially vegetables in the open field, are prone to roots, dead seedlings, and rotten vegetables.

Strong plants. Before the cold snap, rain and snow come, foliar sprays such as chitin and alginic acid can be applied with full-nutrient foliar fertilizers and plant-derived growth regulators. Before cooling, the water-soluble fertilizer of fruits and vegetables can be diluted 800 times and sprayed on the leaves, which can effectively supplement the nutrients of vegetables and improve frost resistance.

Increase the application of organic fertilizer. Loosen the land and raise the soil temperature. Strengthen field management. Cover with straw and mulch. Set up a wind wall. Smoked antifreeze. Harvest ripe vegetables in a timely manner.