The yew is a yew family, a yew genus, an evergreen tree, also known as Guanyin cedar. China's endemic tree species, native to the Yangtze River basin and south of the region. Sexually warm and moist, it is a strong negative slow-growing tree species, suitable for acidic soils rich in humus, loose and fertile. Every Christmas, we use yew to make Christmas garlands. It is a common plant in life. Let's take a look at the farming methods and precautions of yew.
How to raise yew:
1. Soil selection for yew culture
The yew should be planted in the middle and late February of the early spring, and the seedlings should be dug with earth balls, which can be planted in the shade of the garden, often planted with trees. The basin soil is made of loose and fertile acid soil with high organic matter content. It can be made from garden soil, peat and sand according to 2:1:1, and 1% decomposed organic fertilizer is added.
2. Fertilization method for yew culture
Potted plants should be fermented with nutty water, and during the growing season, the fertilizer should be applied at a concentration of 1:10-15 per month. Change the pot every other year and add solid decomposed organic fertilizer at the bottom of the pot.
In the autumn of September to October, the base fertilizer can be applied, 50-100 kilograms of decomposed animal manure per plant, and compound fertilizer containing nitrogen, phosphorus and potassium can be applied in early spring, 100-200 grams per plant, or 500 grams of superphosphate.
3. Watering method for yew culture
Northeast yew is moist, afraid of water. Watering is carried out in the germination stage, and the water is irrigated 2 to 3 times per month on the slope. When there is a lot of rain in summer, it is necessary to do drainage and stain prevention work. In the autumn, water should be less, and the soil should not be dry or wet. After the leaves turn purple green before winter, water again.
Potted plants can be watered once every 2 to 3 days in spring and once in the summer. If the potting soil is still too dry, spray it again in the evening with a fine-hole watering can, so that the leaves are flushed and the ambient air humidity is increased. It can also make the remaining water wet on the basin again, which is good for plant absorption. Watering every 3 to 4 days in the fall, if the autumn rains, you can also water once a week, as long as the basin is seven wet. In the winter, watering should be less, and the pots placed in the open field of the garden can be washed with water every 15 to 20 days, so that the remaining water can be wetted.
The southern yew is like a moist, but it is afraid of water, and it is necessary to replenish water at any time. As far as the actual situation of cultivation is concerned, the spring rain is less, and it is in the germination stage of the plant. Therefore, it is necessary to carry out irrigation. In particular, where the slope or the groundwater level is low, the water is irrigated 2 to 3 times a month to keep the soil moist. At the same time, combined with fertilization, the water is poured through, so that the soil is in a fertile and humid state for a long time. In summer, there are many rains. Plants cultivated in low-lying areas should be digging trenches early and do drainage and flood control. In case of drought, water should be poured to ensure fruit growth. In the autumn, the irrigation should be less. It is better to leave the soil dry and not wet. Before the winter, the leaves turn purple and green, and then water is irrigated once, and then you can not water. If the winter climate is particularly dry, you can pre-water in early spring to make it resuscitation early.
4. Temperature requirements for yew culture
Northeast yew can withstand half-yin, resist cold, adaptability, and generally can withstand low temperatures of -25 to -15 °C. To develop a growth habit that is not afraid of the cold, the supporter should satisfy his temperature needs after knowing its habits. The yew cultivated in northeastern China is a strong growing season from April to October. The temperature during these periods is 18-32 °C during the day and 10-25 °C during the night. The other plants are at the time of half a year. Sleep or semi-sleep state.
The southern yew is warm and warm, and its most suitable growth period is from March to November. The optimum growth temperature is 20-30 °C. Under such temperature conditions, the vegetative growth and reproductive growth of the plants are carried out simultaneously. If the management of water and fertilizer is appropriate and the sun is soft, the plants are not only flourishing, but also have more flowers and more ornamental value. The southern yew has good cold tolerance, and plants growing in Guizhou, Sichuan, and southwestern Shaanxi have low temperature of -10 to -5 °C in winter, and the plants can resist. Therefore, there is no wintering problem in the Yangtze River Basin and the vast areas south of it.
5. Lighting requirements for yew farming
Taxus cuspidata originally grew in the summer with warm and cool, abundant rainfall, humid air, and cold winter mountains. There are large temperature differences in the four seasons, long sunshine hours, and the growth habits and various organs of the yew are adapted to this ecological environment. Therefore, if you want to cultivate this kind of plant in other places, you should try to create a natural ecological environment close to the original place of growth so that it can be raised.
Taxus chinensis is a strong negative slow-growing tree species. Therefore, it is a moist and warm ecological environment. It is not resistant to strong sunlight. Seedlings cultivated with seeds should be shaded in areas with strong light. It can be cultivated in the plain area, and can be planted with tall trees. The cultivation in front of and behind the house should also be in the shaded area, because the original growth of Taxus chinensis is a mixed forest in the moist mountainous area, mostly grown under tall deciduous trees. In the strong sunshine, there are large branches and leaves, and autumn and winter trees are deciduous, and the light is sufficient, which is suitable for the growth of evergreen yew. After knowing this growth habit, the supporter should choose the environment suitable for growth when planting and planting, and meet the requirements of the plant for illumination.
6. Notes on yew culture
(1) The yew cultivation in the early spring and early spring is suitable, and the seedlings need to bring soil balls. In daily maintenance management, weeding, weeding, fertilizing, and weaving the litter around the roots to maintain the acidity of the soil. It is resistant to pruning. It can be trimmed and trimmed at the beginning of autumn and winter to maintain a good tree posture. At the same time, the dead branches, diseased branches, broken branches and cross branches are cut off.
(2) Watering the potted yew must pay attention to the water quality. Pots are made of water, with natural rain as the top, followed by clean flowing rivers and lakes. If you must use well water, you must pay attention to water quality, especially in the northern part of the well water, often the alkali is too heavy, is not conducive to the growth of yew. Followed by the water temperature, the water temperature for watering the potted flowers should be basically close to the temperature. Too low and too high is not good for its growth. Especially when watering with tap water in summer, it must be stored in tanks, pools and other containers for 24 to 48 hours. Use, otherwise it will cause physiological wilting of plants; at the same time, this physiological disorder is often difficult to save.
7. Reproduction methods of yew culture
(1) Seeding and breeding: The seeds of yew have low permeability due to seed coat, which hinders the passage of gas and water, so the dormancy period is very long. Therefore, the seed should be stored in the open air and stored in Kunsha for 15 months before sowing. After storage, the germination to the seed-breaking chest is more than 80% white and then planted. The seedling stage needs to be properly shaded, and the growth is slow. It takes 2 years to leave the bed to transplant, and the soil ball should be taken when transplanting. The 1-year-old seedling height is only 8 to 10 cm. The storage method of yew seed open-air mixed sand is as follows: choose the leeward shade and not horizontal, the excavation pit, the depth is 80cm, and the length and width of the seed are determined.
The sterilized yew seed is evenly mixed according to the ratio of 1 part of the seed and 3 parts of the river sand. The humidity of the river sand is suitable for holding the group without water and loosening the hand. After the pit is dug, first lay a layer of stone about 12cm thick at the bottom of the pit. Then weaving 6cm thick wet sand, insert a holed bamboo tube every 50cm in the pit, and then spread the mixed sand seeds in the pit, the thickness is 30cm, the cover is wet sand, and the cover is 8cm thick. The roof is ridged. During the storage period, the bamboo sill is covered with a bamboo curtain. Drain the drainage ditch around the pit to prevent the seeds from being soaked in the water in the pit. Pay attention to flipping once every January.
(2) Cutting propagation: Both the cuttings of the yew and the hardwood cuttings can be used. The rooting rate of the cuttings is higher than that of the hardwood cuttings. The cuttings are soaked with lOOmg/L naphthalene acetic acid solution for 3 hours, which is beneficial to rooting.
Considerations for the cultivation of yew:
1. Because the northern climate is dry and less rainy, water can be watered when the soil surface is dry. Pay attention to one-time pouring, especially in summer. The air in the north is dry, the surface of the leaves is prone to lack of water, and when the appearance of the leaves is not full, it is necessary to spray water from the bottom to the top of the leaves with a small watering can (spray in the summer).
2, yew is a hi-yin plant, suitable for indoor placement, but should not be placed at the air outlet of the air conditioner or next to the heating, otherwise it will increase the water evaporation of the leaves of the Mandya yew, easy to make Mandiya The leaves of the yew are rapidly dehydrated, causing the leaves to curl and dry.
3, yew bonsai should not be watered with tea water. In particular, Gansu has a hard water quality and a high alkali content, and it must be used for watering and spraying after one day.
The cultivation method and precautions of the yew (1) The yew cultivation in the early spring and early spring is suitable, and the large seedling needs to carry the soil ball. In daily maintenance management, weeding, weeding, fertilizing, and weaving the litter around the roots to maintain the acidity of the soil. It is resistant to pruning. It can be trimmed and trimmed at the beginning of autumn and winter to maintain a good tree posture. At the same time, the dead branches, diseased branches, broken branches and cross branches are cut off.
(2) Watering the potted yew must pay attention to the water quality. Pots are made of water, with natural rain as the top, followed by clean flowing rivers and lakes. If you must use well water, you must pay attention to water quality, especially in the northern part of the well water, often the alkali is too heavy, is not conducive to the growth of yew. Followed by the water temperature, the water temperature for watering the potted flowers should be basically close to the temperature. Too low and too high is not good for its growth. Especially when watering with tap water in summer, it must be stored in tanks, pools and other containers for 24 to 48 hours. Use, otherwise it will cause physiological wilting of plants; at the same time, this physiological disorder is often difficult to save.
The cultivation methods and precautions of the yew are shared with you. The yew is better in terms of medicinal value or bonsai landscaping, so friends who like yew should know more about it.
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