What should I do in winter? Don't worry, these skills will help you through the winter.
First of all, vegetables
1, enhanced coverage, warm freezing
Before winter comes, we must use sunshade nets in gourmet dishes. So as to achieve the effect of heat preservation. If you plant greenhouse vegetables, you should integrate the support of greenhouse vegetables and press the film on the greenhouse to prevent the gap from entering the cold and reduce the internal temperature. Because the greenhouse is mainly to cultivate vegetables that are not tolerant to low temperature, such as peppers, eggplant, tomatoes, cucumbers and so on. You can also add an arched shed and a straw curtain.
2, fertilization, improve soil temperature
Choosing a sunny day, watering pig manure or even milk and then fertilizing it can raise the soil temperature, protect the vegetable roots and help it. It has a good effect in resisting the cold winter. You can also burn charcoal, straw and grain to increase the field temperature and reduce the cold.
3, timely irrigation, saving ditches
Before catching a cold, with the passage of time, vegetable fields will be given, which can avoid the decline of ground temperature and reduce the degree of freezing injury, especially to prevent freezing injury. With water, roots and soil are closely combined, and vegetables are water and nutrients. Drain water after absorption and freezing in time to avoid water source damage. Because a lot of water will be formed after the snow melts in winter, and it can only be discharged through ditches. If the ditch is blocked, these reinforcements will not be hurt, so they are easy to get hurt.
4. Control nitrogen to improve cold tolerance
Nitrogen fertilizer can't be applied to vegetables at seedling stage, because nitrogen fertilizer can make seedlings resist cold energy. Spraying dihydrogen phosphate can improve the resistance of melon plants and reduce cold. You can also apply some plant ash to keep warm.
5. Avoid infection and get rid of diseases.
Some vegetables will inevitably freeze in winter, so everyone will cut off the frozen spots, so as to avoid deterioration and infection of other healthy parts.
Second, wheat.
1, control
When the wheat field is usually above the wheat seedlings, the wheat line must be 5-7 cm, must reach a certain depth, and must destroy the root system. If you often take root, you will not only get long-term effect in control, but also improve the environmental conditions of root system because of loose soil and promote the length of Macedonia. For wheat fields with basic seedlings, when wheat enters 3-4 leaves, seedlings should be raised as soon as possible. For the long-term trend of wheat field, lead is suppressed in winter and cracked in winter. Heat preservation, enhancing freezing capacity, inhibiting trunk growth, promoting root development, weak seedlings, seedlings, delayed period, early fertilization and weak rotation.
2, fertilizer, antifreeze
In the past winter, there were 250-300 kilograms of wheat, broken wheat straw, swamp and antifreeze, and the soil was improved after decay. It can shelter from rain, prevent heatstroke and freeze, supplement nutrition and return to green.
3, timely irrigation to improve soil temperature.
Timely winter irrigation is an effective measure to prevent wheat from freezing injury in winter. Irrigation in winter can increase soil heat, usually by 1-3 degrees Celsius, which can bridge the growth of the earth and promote the growth of gaps. It's 4 degrees Celsius in winter. The water is suitable. If it is below 4 degrees Celsius, there is a danger of freezing injury.
Third, bananas.
1, increase fertilizer and water, and raise soil temperature.
In winter, in order to ensure timely watering, maintain soil water power and raise soil temperature, drainage and flood control can also be done well. Don't use nitrogen fertilizer when fertilizing. For example, use some very warm fertilizers, such as some organic fertilizers and chemical fertilizers. When these fertilizers decompose, a lot of heat will appear, which can increase the soil temperature. You can also spray jam in winter. Increase the cold resistance of leaves.
2, bag insulation, cold and antifreeze
Generally in winter, many crops will use some bags to keep warm. 165438+ In October, if we don't harvest bananas in time, we will combine banana leaves and have a solid to help some water. Among the stems of bananas, dried bananas can be made into fruits with some plastic bags, and then some warm plastic bags and waterproof films can effectively raise the temperature and promote the growth and development of bananas.
3, the garden is booming, reducing cooling.
Forecast the afternoon night, put some weeds and some idyllic scraps, then we use some straw or some dead leaves, firewood has piled up together, and then put these things together, usually to light up the night. Pay attention to the fire when lighting, let them slowly disperse smoke, and let the whole orchard have smoke. This layer of smoke can raise the temperature of the land and protect the roots.
Fourth, pitaya
1, Qingyuan, insect, successful winter
The main purpose of clearing the source in winter is to eliminate the source of cordyceps sinensis. In Qingyuan, the pruned pests and processes will be buried or burned.
2, smoke drying, cold and antifreeze
Drying treatment is to expose the roots of longan to the soil, reduce the root from leaving the soil, make the branches lose water, increase the concentration of cell solution and enhance the cold tolerance; Before the source of low temperature, prepare sawdust, dried leaves and smoke in advance to increase the temperature of the orchard and prevent cold air.
3. Pour cold water to raise the temperature.
In winter, the temperature is not high and the water is slow, so it is not necessary to water too much, because watering will lead to low water temperature, so you can apply a little water. Of course, water sealing still needs to be watered, but time control is also crucial. The plants in Guo Long are not very tall, so they can be cultivated in greenhouse, and the temperature and humidity of greenhouse cultivation mode are better. If the outside temperature is below zero, some temperature measures can be taken, such as installing insulation lamps or covering the bottom of longan with grass or film, which is beneficial to raise the temperature.
4, dealing with frostbite to prevent infection
Longan plants are prone to anxiety when they decompose blindly. After the temperature is stable in spring, the pathogenesis of rot should be treated. Scratches should be scraped at any time, rotten parts should be scraped thoroughly, and then bactericide should be applied. It is also necessary to remove branches that germinate on the basis of plants and old branches that are more than three years old. Try to choose strong branches in different directions to avoid overlapping branches; The number of branches is usually controlled at 35-45.
generally speaking
For vegetables in non-cold regions, plastic film and straw, corn, sugarcane, weeds and other crop straws are mainly used to directly cover or build a small arch shed, antifreeze and nutrition are sprayed, nitrogen fertilizer is stopped, cooked mud fertilizer and plant ash volatile fertilizer are applied to cover or enrich roots, and soil temperature is increased. The fruit is mainly trunk, and spraying alginic acid or yellow rot felt to filter fertilizer, liquid medicine method and covering heat preservation can improve the resistance.