The main points of the tree management and maintenance of Malus japonica
The octopus eucalyptus trees are more representative of the beautification of the garden than the ordinary seedlings, but the regeneration ability of the big octopus eucalyptus tree is obviously weakened compared to young young trees, and it is difficult to survive. Therefore, the conservation and management of Malus calyx tree is particularly important. The conservation and management of Malus camphora tree should focus on the following two major areas of work.
First, keep the balance of water metabolism of the tree
The octagonal crab apple tree, especially the non-transplanted or root-cut octopus japonica, suffered a great deal of damage to the root system during the transplantation process, and its water absorption capacity was greatly reduced. Tree is often withered due to lack of water supply, water metabolism, and even death. Therefore, maintaining the balance of water metabolism in the tree is the key to the maintenance and management of new planting trees and the improvement of the survival rate of transplants. To do this, we must do the following:
1, the ground moisturizing dry
Use straw ropes, pouches, mosses, and other materials to wrap the trunk tightly and compare the thick branches. The above dressing has a certain degree of moisture retention and heat retention. After being treated with a bag, one can avoid direct light and dry wind, reducing the evaporation of water from trunks and branches. Secondly, it can store a certain amount of moisture to keep the branches moist. Third, it can adjust the temperature of branches and reduce the temperature and temperature. Low temperature damage to the branches, the effect is better. It can also be wrapped in plastic film, but it should be replaced before the tree sprouts. Because the plastic film is poor in breathability, it is not conducive to the respiration of wrapped branches, especially in the hot season, the internal heat is difficult to be distributed in a timely manner will cause high temperatures, burn trunks, buds or buds, causing damage to the tree.
2, water spray
The above-ground part of the tree (especially the foliage) loses water due to transpiration and must be sprayed with moisture in time. Spraying water is required to be fine and uniform, sprayed on all parts of the ground and surrounding space to provide a humid microclimate environment for the tree. High-pressure water spray can be used, or the water supply pipe can be installed above the canopy, and one or more fine-hole nozzles can be sprayed according to the size of the canopy, and the effect is better, but it is more labor-consuming. For the trees to be crowned, the method of “suspending the salt water†may be adopted. That is, several salt water bottles filled with clean water are hung on the branches, and the water in the bottles is slowly dripped on the tree body by using the principle of hanging salt water. , And regularly add water, save labor and save investment. However, this method is not uniform enough and the amount of water is difficult to control. After spraying leaves, it is still necessary to spray moisturize.
3, shading
During the early or high-temperature dry season, the octopus eucalyptus must be shaded to reduce the temperature in the shed and reduce the water evaporation of the tree. In areas where plants are planted in rows, grown in dense areas, and where density is high, it is advisable to build large sheds, save materials and facilitate management, and solitary planting trees should be planted by plants. All shades are required to be shaded, and the canopy is kept at a distance of about 50 centimeters above and around the canopy to ensure that there is a certain amount of air flow space in the shed to prevent the sunken hazard of the canopy. The shade is about 70%, so that the tree receives a certain amount of scattered light, in order to ensure the photosynthesis of the tree. Later, as the tree grows and the seasons change, shades are gradually removed.
4, promote new water control
The newly transplanted Malus robusta had weaker water absorption function and less soil moisture requirements. Therefore, just keep the soil moist. Excessive water content in the soil will affect the permeability of the soil, inhibit the respiration of the roots, and be detrimental to rooting. Severely, it will lead to the death of rot. For this reason, on the one hand, we must strictly control the amount of soil watered. For the first time when transplanting, it should be irrigated. Afterwards, depending on the weather conditions, the soil texture, inspection and analysis, and careful watering. At the same time, beware of excessive water droplets entering the root zone when spraying. In the second aspect, it is necessary to prevent tree pool water accumulation. The watering hole left after planting should be filled or slightly higher than the surrounding ground after the first irrigating, to prevent rain or water accumulation when watering. At the same time, in the low-lying and easily reclamated areas, open drains to ensure timely drainage on rainy days. In the third aspect, we must maintain a suitable groundwater level (generally less than 1.5 meters). At the higher groundwater level, net drainage should be done. When the water level rises in the flood season, deep wells can be dug in the outer part of the root system, and the groundwater can be pumped out of the site with a pump to prevent flooding.
5, protect sprouts
The sprouting of new shoots is a sign of the physiological activity of the new plant, Malus unicornus, and is a hope for the survival of a big tree. More importantly, the germination of the aerial part of the tree has a natural and effective stimulating effect on the root system and can promote the germination of the root system. Therefore, in the initial stage of transplantation, the sprouts of the trees that are heavily pruned during transplantation must be protected, and the branches should be pulled out. After the trees survive, they are trimmed. At the same time, after the sprouting of the tree, special efforts should be made to enhance water spray, shade, disease prevention and pest control, and ensure the normal growth of shoots and shoots. Soil ventilation. Maintaining good air permeability in the soil is beneficial to root germination. To this end, on the one hand, we must do a good job of cultivating loose soil in order to prevent soil compaction. On the other hand, always check the soil ventilation facilities (snorkel or bamboo cage). If it is found that the ventilation facility is clogged or has accumulated water, it should be promptly removed to maintain good ventilation performance.
Second, tree protection
The newly transplanted octagonal sea eucalyptus trees have reduced resistance and are vulnerable to natural disasters, diseases and insect pests, humans and livestock, and must be strictly prevented. Supporting the tree attracts the wind. The octopus eucalyptus should be supported and fixed after planting, and beware of dumping. The positive triangle pile is most conducive to the stability of the tree, and the supporting point is about two-thirds of the height of the tree, and a protective layer is added to prevent injury to the skin.
Prevention and control of insects adhere to the main prevention, according to the characteristics of tree species and the occurrence and development of pests and diseases, diligent inspection, do preventive work. In the event of a medical condition, it is necessary to prescribe the right medicine and prevent it in time. Fertilization and fertilization help to restore tree vigor. At the initial stage of transplanting large trees, the roots have low suction fertility, and it is advisable to use extra-root fertilizer, usually about two weeks. With urea, ammonium sulfate, potassium dihydrogen phosphate and other readily available fertilizers formulated into a concentration of 0.5% to 1% of the fertilizer solution, select the morning and evening or cloudy day for spraying, in case of rainfall should be re-spray once. After the roots germinate, the soil can be fertilized.
The shoots and root systems of freeze-proof new plant Malus robusta germinate late, the annual growth cycle is short, and the accumulation of nutrients is small. Therefore, the organization is not full, and it is vulnerable to low temperature hazards. It is necessary to do a good job of antifreeze insulation. On the one hand, after entering the fall, we must control nitrogen fertilizer, increase phosphorus and potassium fertilizers, and gradually extend the lighting time, increase the light intensity, in order to increase the degree of lignification of the tree, and improve its ability to resist cold. Second, do a good job of tree insulation before the onset of the winter cold wave. It can be protected by covering soil, covering the ground, setting up wind barriers, and setting up plastic greenhouses.
In addition, propaganda and education should be done in areas where the concentration of people is relatively concentrated or in other areas that are vulnerable to man-made and livestock destruction. At the same time, bamboo fences can be set up for protection.
The conservation methods and conservation priorities of the New Planted Octopus sinensis vary depending on the environmental conditions, seasons, and actual conditions of the tree. It is necessary for us to analyze in practice and grasp the main aspects of the contradiction. We can use it flexibly because of the time, place, and cause of the tree in order to receive the expected results.
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