How to protect orange trees How to manage orange trees

Buy green net to tell you that oranges are not easy to protect in the north.

Orange Tree Management Methods:

1. Apply fertilizer, oranges like fertilizer, and more thin fertilizer should be applied at ordinary times. Apply a rotting liquid fertilizer before germination, and then apply a liquid fertilizer based on nitrogen fertilizer every 7 to 10 days. During the growth of oranges, some cake fertilizer can be sprinkled on the surface, so that some fertilizer can penetrate into the soil every time you water and enhance fertility.

After autumn, fertilization is reduced to avoid overnutrition of plants, promote autumn shoots, and compete with fruits for nutrients and cause fruit drop.

2. Watering, watering during the growing season should be carried out before 10 a.m. or after 4 p.m. Water once a day on sunny days in summer, and if the soil is dry, make up for it once on the same day; Water once a day in spring and autumn, and water once every 2 to 5 days in early spring and late autumn depending on the soil moisture of the pot. Control watering in winter.

3. Pruning, after the fruit is harvested, it is too winter to prune once. After the orange buds, it will grow a lot of new branches, and the branches that are too small, too thick, or too dense can be cut off appropriately, and at the same time, some diseased branches can also be cut off, which is particularly conducive to the production of oranges. In the coming year, more flowers will bear more fruit.

4. Pest control can be sprayed with carbendazim and other sterilization and disease prevention drugs; For insect pests, spray corresponding insecticides for control.

Orange trees have strong cold tolerance and are not afraid of freezing in winter, but to maintain orange trees in winter, it is necessary to provide them with appropriate light molds for photosynthesis, and also need to provide appropriate water for the plants to ensure the moisture of the soil. At the same time, the plants should be pruned properly to reduce the consumption of nutrients so that the orange trees can survive the winter safely and smoothly.

Orange trees are not afraid of frost, and oranges have a strong ability to resist cold, and can generally survive in an environment of minus 20 degrees Celsius. However, when maintaining orange trees in winter, it is necessary to provide them with appropriate light so that the plants can carry out normal photosynthesis, and it is best to place the orange trees in a sunny environment.

Orange trees have a greater demand for water in the growth process, and they need to provide appropriate water in the process of maintaining oranges to ensure the moisture of the soil, but the evaporation of water is slow in winter, and the amount of watering needs to be controlled during winter maintenance, and the dryness of the soil needs to be observed when watering, and then properly watered when the soil is dry to ensure the moisture of the soil.

Oranges will enter the hibernation period in winter, when maintaining the orange tree, you can spread a layer of mulch film on the surface of the soil to keep warm, and properly loosen the soil, so that the soil is kept in a loose state, so that the roots of the plant can grow healthily. At the same time, it is also necessary to provide the orange trees with appropriate nutrients in winter, which can be added to the soil after loosening the soil, and then transferred to the plants after the soil is absorbed.

When maintaining orange trees in winter, it is also necessary to prune them properly, cut off the branches that grow poorly on the orange tree to reduce the consumption of plant nutrients, and at the same time cut off the branches that grow too long on the plant, adjust the growth direction of the plant, and also cut off the branches that are too long and too dense to improve the ventilation and breathability of the orange tree.

Afraid of cold.

The cultivation method of orange trees is as follows:

1. When cultivating orange trees, you first need to choose the right soil. Orange trees have high soil requirements, and when planting orange trees, humus, garden soil and sandy soil can be mixed as a substrate for cultivation. The soil prepared in this way has good air permeability, overall acidity and a certain fertility.

2. In the process of maintaining orange trees, it is also necessary to do a good job in water and fertilizer management, and when watering orange trees, it is necessary to water enough but not to let the soil remain with water. When fertilizing the ruler, it is necessary to apply thin fertilizer frequently, and pay attention to the fact that raw fertilizer or heavy fertilizer should not be used to avoid damage to orange trees due to fertilizer damage.

3. When maintaining orange trees, it is also necessary to prune regularly to ensure that the orange trees can maintain a good shape, so that the orange trees can receive uniform light, and can effectively reduce the consumption of nutrients, so that the nutrients are concentrated in the fruiting branches, so that the orange trees can contact more fruits, and improve the ornamentality of the orange trees.

4. In the process of maintaining orange trees, it is also necessary to control the temperature, orange trees are suitable for growing in a warm and humid environment, but orange trees will have uncomfortable symptoms in extreme environments. Note that shade measures should be taken in summer, and orange trees should be moved indoors for maintenance in winter, and warm and cold protection.

1. Fertilization in winter. Basal fertilizer is the basic fertilizer for citrus nutrients for a longer period of the year, and it must be applied sufficiently. The principle of fertilization is "Jin fruit and Jin fertilizer", to improve the quality as the center, should be based on organic fertilizer, generally to apply 2000 3000 kg of rotting farmhouse fertilizer per mu mixed with 45 compound fertilizer 30 40 kg is appropriate, should be combined with winter ploughing deep turning, along the trunk drip line digging ring ditch application, and appropriate irrigation.

2. Winter pruning. Winter pruning of citrus is one of the main technical measures of citrus management. Citrus pruning should be determined according to the fruiting situation of the individual plant in the current year.

If the year is a small year and the amount of fruit hanging is small, the amount of pruning should be increased appropriately during winter pruning, and more fruiting mother branches should be cut off to reduce the amount of flowers and enhance the ventilation and light transmittance of the tree. If the year is a big year, the amount of fruit hanging is large, the amount of pruning should be appropriately reduced during winter pruning, only need to remove individual excess main branches, diseased and insect branches, and put the pruning time in the second year's flowering period, this technology is one of the important technical measures to balance the size of the year. For late-maturing citrus before it bears fruit, it is better to prune as little as possible, and only cut off foot buds, diseased branches, dry branches and hanging ground branches. In addition, retract pruning or thinning should be carried out for orchards with high densities.

3. Cultivating weeding and improving soil. Before the end of November, the whole garden will be weeded once in depth. For orchards with poor soil conditions, the moat (hole) is expanded year by year, generally deep and wide, and crop stems, soil miscellaneous fertilizers, human and animal fertilizers, etc. are buried in the backfill.

For the acidic soil, quicklime should also be applied once at a rate of 50 100 kg per mu.

4. Pest control (garden clearing). The focus of pest control is to clear the garden in winter, and when cleaning the garden, it is necessary to keep the orchard and fruit trees clean, completely remove the dead branches, fallen leaves and weeds in the garden, eliminate overwintering pests and diseases, and reduce the number of drugs used in the coming year. Citrus winter garden cleaning is generally carried out from December to February of the next year, with 73 grams of mites 1000 1500 times plus oil emulsion or mineral oil 300 500 times to clear the garden, which can not only kill the overwintering red spider, but also prevent and control scale insects and soot disease and other bacteria, with a very ideal effect.

However, it should be noted that 73 grams of mite EC is a viscous liquid, and direct use may damage the tree, so it is better to use the double dilution method. Stir well with 4 5 times of water with gram mite, add enough water to stir well, and then spray; You can also use warm water of about 50 degrees Celsius in a ratio of 1:1 and then dilute the spray.

In addition, 120 times of 45% crystal stone sulfur mixture, 60 times of melting and killing scale mites, and 80 100 times of sodium pinein acid also have good results.

5. Cold and freeze proof. In order to safely overwinter, in late December, we should take soil and soil, trunk bandaging, ground covering and other methods to do a good job of moisturizing, and irrigate the whole garden once 7 days before freezing to prevent drying. Leaving trees to store citrus and late-maturing varieties, and covering the canopy with silk film is a better anti-freezing measure, which should be prepared in advance and covered in early December.

Orange trees are not hardy and are more resistant to frost. Therefore, oranges often freeze in winter, at this time we should do a good job of orange tree anti-freezing measures, such as film anti-freezing, irrigation anti-freezing, smoke anti-freezing, spraying antifreeze, branch bandaging, etc., these methods can effectively prevent freezing, the effect is very good.

Are orange trees afraid of frost.

Although oranges are grown in warmer parts of the southBut orange trees are not hardy, and the low temperature in winter makes it easier for oranges to freeze。Orange frost protection is an important part of the planting process that cannot be ignored, so how to prevent orange frost?

The absolute minimum temperature is a major contributor to frost damage to orange trees. However, the frost resistance of orange trees is related to many factors such as species, variety, tree species, tree potential, soil topography, phenological period, low temperature intensity, and duration.

For Wenzhou mandarin with strong cold resistanceLow temperatures below -11 can cause the main stem to freeze or even die. -9 Low temperatures will freeze the branches, and -7 Low temperatures will freeze the leaves.

Are potted orange trees afraid of freezing in winter?

Some friends in the north grow orange trees in potsGenerally speaking, orange trees cannot survive the winter in the natural environment of the north, and they will freeze to death。Unless it's in a greenhouse or in a family pot, it's okay to move indoors for the winter.

How to protect orange trees from freezing in winter.

Cover film antifreeze

Cover the tree with a protective film, which is airtight and does not ventilate, which will reduce the invasion of cold air. At the same time, this can also lock in the evaporation of water and play a certain role in heat preservation.

Irrigation to prevent freezing

Irrigation in winter can have a certain anti-freezing effect, irrigation can strengthen the specific heat capacity of the soil and the humidity of the air. This can effectively control the surface radiation and delay the decline of ground temperatureGenerally, in winter, irrigation can increase the ground temperature by 1 2 degrees

However, irrigation should also be timed, and it should be decided according to the size of the tree and soil moisture. In the event of frost, water is poured in the afternoon at dusk and drained in the early morning

Smoke and antifreeze

In winter, when the temperature is low and the orange trees often frost, we can use smoke to protect against the frost.

This method is relatively simple, we only need to take local materials and light the smoke in a wide and ventilated area, so that the smoke will fill the sky over the orchard and block the cold air from entering. Celebration of destruction.

When using this method, be careful to keep it on to a certain level with the orange tree when lit, and do not use a large amount of open flame. And in this process, people should not leave for a long time, and always pay attention to the smoke situation.

Spray antifreeze

In many areas,Growers choose to spray antifreeze to prevent freezing

Antifreeze is a foliar fertilizer for frost-resistant plants that contains plant hormone nutrient solution or trace elements. They can maintain the stability of the biofilm and reduce the damage to the membrane at low temperatures. So as to reduce the freezing point of the cell wall and achieve a good antifreeze effect.

Branches are bandaged to protect against freezing

The trunk and main branches of the orange tree are the skeleton of the tree, which is susceptible to damage caused by radiation cooling because of its proximity to the ground. It can be used in winter to coat mud or wrap film. Or we can use 70% cow dung, 20% yellow mud, and 10% lime to coat the trunk.