Huangshan Mountain is a member of the genus Eucalyptus of the Sanguinaceae family and it is a rare autumn flower arbor in North China. The author's Renqiu City, Hebei Province, North China Petroleum Mining Area is a moderately saline-alkali land. Since 2004, the survival rate of the planted Huangshan Mountain has been high, and a method for planting Huangshan Mountain on the saline-alkali land in North China has been explored for reference.

Cultivation Techniques

The selection of the planting season is suitable for transplanting before sprouting in spring and is not suitable for transplanting in autumn. About half a month after the Spring Festival, Huangshan Mountain is still in a dormant period. The sap flow is slow, metabolism is slow, and physiological activity is weak. The impact of transplanting on Huangshan Mountain is small, and it can be transplanted at this time. After transplanting, when the temperature rose in the spring, the roots first germinated and repaired. With careful management, the survival rate of the transplanted Huangshan wolfberry was very high. After the transplant, the temperature rises, the roots transition from dormancy to growth, the sap flow accelerates, the sprouts sprout after transplantation, and new roots grow after transplantation.

Planting location chooses Huangshan Mountain to enjoy hi light, warm, cold resistance is not strong, winter temperature in northern China is relatively cold, so the choice of planting location is the key to the success or failure of cultivation of Huangshan Mountain. When the author's unit was first planted, due to lack of experience, he only knew how to plant it in the leeward sunny place. The result was trees in the tuyere, roadside, and some frozen frostbite. Even if they survived, their growth was weak. However, planted in the south of the tall buildings, 3 to 4 meters from the wall, and 10 to 12 meters from the east to west of the head of the plant, the plants are tall and full of flowers. Therefore, the cultivation of Huangshan Mountain should create a good microclimate for it. Even at a low temperature of minus twenty degrees, due to the surrounding walls, it can still thrive. However, considering the northwest wind in winter in the central part of North China, it should be far from the west of the building.

Soil Improvement Treatment Huangshan Mountain is suitable for deep, well-drained and slightly acidic loam soils. Because the soil in the North China Petroleum Mining Area is more viscous and easier to compact, the author made improvements. The specific approach is: sandy loam, surface garden soil, slag mixed in a ratio of 2:1:1, and then add some humic acid fertilizers and decomposed organic fertilizer and salt alkali modified fertilizer, and mix thoroughly. The mixed soil thus prepared is used as the bottom soil and has the characteristics of water seepage, air permeability, and rich organic matter, and is beneficial to the growth of root system of Huangshan Hawthorn. Since the soil in Huabei Petroleum Mining Area is moderately saline-alkali, the initial cultivation of Huangshan Mountain must pay attention to the separation of salt and alkali. The planting hole can be made of slag, coarse sand, and other materials to form a base layer. At the same time, the soil should be treated before planting. The soil can be sterilized and disinfested 7 days to 10 days before the transplanting of the trees. The soil can be sterilized with 70% thiophanate-methyl or 50% carbendazim powder. 50% phoxim EC spray insecticide.

Seedlings choose plants that grow vigorously, are robust, have no pests, and are upright in trunks. For larger seedlings, mark the positive side of the trunk to prevent the yin and yang from being misplaced during transplantation, causing burns or bursting of the trunk and affecting the survival rate.

Planting a thick, slightly acidic environment in Huangshan Mountain, the author adopted a method of changing the soil in large holes. Take Huangshan Mountain, which is 1m to 2m in height, for example. The tree hole is 1m long, 1m wide, and 1m deep. . After digging a hole, fill in a 30-cm-thick slag to make a water-permeable layer. A layer of grasshopper is laid on the slag to prevent the upper half of the soil from flowing into the slag gap due to watering. Prepare planted soil, add humic acid fertilizers and decomposed organic fertilizers as well as salt-alkali landfill fertilizer, fill in tree cavities, and compact them to a depth of 50 cm from the ground. After that, the planting soil is filled into the tree cavities and compacted to 45 centimeters from the ground. This way, the roots will not be in direct contact with the soil and the roots will not be easily rotted. Then, gently put Huangshan wolfberry into the tree's hole, face the sun, and then fill in the mixed soil.

Maintenance Management

After the water-fertilized Huangshan Mountain is transplanted, the first time it is necessary to set the root water in a timely manner, and the water should be poured and drenched. This will allow the root system to fully contact with the soil and be conducive to survival. The first watering must be surrounded by large pits, irrigated with water, and the dissolved 10 g rooting agent can be poured into the tree with water to promote new roots. After 7 days to 10 days, pour the second water. About 20 days, you can pour the third water again. According to the situation, timely watering. In the growing season, thin stools can be applied once or twice, so that they can be green and green and enhance the disease resistance of the plants.

Protecting the branches of the trees in summer is easily burned by the scorching sun, causing the skin to explode and cause serious damage. For the newly planted Huangshan Mountain, after the transplanting, the whitening treatment can also be used to wrap dry 2 meters or so to reduce water evaporation.

After the planting, the trunk should be erected to prevent shaking. If the scaffold is not erected, the roots of the trunk cannot be tightly connected to the soil to create gaps, and the root system is likely to lose water, affecting survival, and a soft material septum is applied at a fixed place to prevent damage to the dry skin.

After entering the winter, the newly planted trees should be kept cold. The method is to build a strong wind barrier, leaving an opening in the sun facing south and receiving sunlight. In addition, cover the ground with a layer of straw to prevent the root from freezing. In North China, not only is the newly transplanted Huangshan Mountain protected against the cold, but it is also required to treat the trunk annually against cold after its survival. The method is to use grass ropes to entangle from the rhizosphere to the branching sites. Only in this way can the survival rate of the trees be guaranteed.

Pruning Huangshan banyan tree crown is positive, the garden is commonly used in its natural tree. The newly planted trees retained evenly distributed 3 to 5 main branches, short cuts 25 cm to 40 cm, and each main branch retained two or three lateral branches. Cut dead branches, diseased branches or dense branches at any time in conservation.

Pest Control

For plutonium polymorphic fructus, spraying 1.2% bitter orange EC 800 to 1000 times, or 6% imidacloprid 3000 to 4000 times, or 5% acetamiprid 5000 to 6000 times, when spraying be careful.

For moths, moths and other leaf-eating pests. When pests occur, they can be sprayed with 1 000 IU/mg of Bt wettable powder 1000 times, or 25% diflubenzure 2000 times to 2500 times, or 20% full-suspension 1500 times to 2000 times, or 50 times. % 2500 times phoxim, better control effect.

For Hongyan Changshao, it is necessary to strengthen conservation management and increase tree vigor. Serious damage must be burned down, prevention and control spread.

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