1. Select fertilizer Loose, humus-rich, neutral or slightly acidic, alpine terraces, deep moist brown soils on both sides of the gully stream, and dark brown soils are preferred. Deep turning, leveling, according to spacing 0.4 meters 1.0 meters or 0.4 meters 0.4 meters open hole, hole depth 40 cm, ready to plant. 2. Breeding method The use of seed propagation and cutting propagation, mainly nursery transplanting. (1) seed nursery 1 seed germination. In late October, the seeds are harvested when the fruit is dark red. The seed is physiologically ripe and requires 1 year of wet sand storage before germination. Frequently, outdoor natural moisturizing sand stratification is used to treat seeds to increase the germination rate. 2 selected garden preparation. In general, it is better to transplant seedlings under the pine forest under local conditions. Selecting a canopy of Pinus elliottii or Pinus massoniana forest land with a canopy density of 0.6 to 0.7 and no pests and diseases, requires a gentle slope, deep upper layer, and good drainage. The weeds and shrubs in the forest were cleared from August to September, and the ladders were leveled and dug 20 to 30 centimeters in depth. During the site preparation, apply basal maturity of 40 to 60 lbs/mu (1 mu for 2/15 hectares, the same below), and make the bed for a bed. The height of the bed is 15 to 20 cm and the width is 1.2 meters. After the flat surface is used, A 15 cm wide plank presses out the sowing ditch, 2 cm deep, and the sowing ditch is 20 cm away. The selection of nursery land and selection of nursery and nursery sites are suitable for paddy fields that are deep in soil, loose in structure, rich in organic matter, well-drained, and not subject to the sun (must be harvested in the same year as paddy field soil). After the mid-late rice was harvested, the soil was dried and then deep-slipped once. The soil was broken once, and then the beds were separated. Wide bed 1.5 meters (1.2 meters wide bed, 0.3 meters wide); bed height 20 cm, bed length depends on the nursery. While making a bed in the site preparation, 8,000 pounds of decomposed cow dung is applied per mu, 200 pounds of instant high-quality compound fertilizer is added, and 6 to 8 pounds of carbofuran are mixed in to prevent and control underground pests. After turning the fertilizer into the soil and flattening the surface of the car, fill in the yellow soil on the car surface and make it 5 cm thick. 3 timely sowing. Usually sowed in early spring. After 1 year of seed storage, if 30% of the seed gaps are white, the seeds shall be sieved out in time and placed in 0.2% potassium permanganate solution for 10 minutes. Rinse with clean water and dry evenly after drying. Sowed in the ditch. Drilling mainly, the distance between 5 and 7 centimeters. Sowing can also be used. After sowing, the yellow loam soil with mycorrhizae and sieved under the pine forest was used to cover the seeds and the thickness was not seen. Pay attention to the shade at the seedling stage, cover the straw when sowing is not suitable for the soil, and set up the arbour at the seedling stage, and the light transmittance is 60%. Moss seedlings are then planted to protect the seedbed from the sun and rain and to keep the soil loose and moist. Seed emergence rate is above 70%. Seeding is divided into sowing and seeding. The sowing is to spread the seed evenly on the nursery bed filled with yellow soil, cover the seed with yellow soil, use the seed as a measure, and cover all the seedbed with moss. For the drill, 15 cm wide planks were selected and the seedlings were planted on a bed filled with yellow soil. The depth was 2 cm and the distance between the sowing ditch was 15 to 20 cm. The seeds were evenly sown in the ditch and covered with yellow earth, with a thickness of 1 cm, and the seed furrows were covered with moss. It should be noted that: First, strict control of the amount of sowing, 15 kg per mu seed, otherwise it will seriously affect the secondary seedlings qualified seedling emergence rate; Second, after sowing, sowing must be covered with moss to cover the seedbed, seeding as long as the seedlings covered with moss ditch. After the seedlings are unearthed, the moss is not to be removed and kept on the seedbed for a long period of time. Moss seedlings have the following advantages: to protect the seedbed from splashing and direct sunlight, so that the seedlings are not burned by the sun, and to avoid suffocation due to the formation of mud sticks on the stems and leaves, and often to keep the soil loose and moist and reduce the work of weeding and weeding. However, the mosses covered should be thin and not too thick. In the event of prolonged drought and no rain, fine moss can be used to hold down the moss or spray water to keep the seedbed moist. (2) Cuttings and Seedlings During periods of dormant germination of trees, sand, sawdust, and perlite were selected as the cuttings. Choose 1 to 4 years old lignification branches and cut the cuttings into small sections of 10 cm, 15 cm or 30 cm in length. During the pruning process, the cuts are required to be smooth, and the lower incisions are in the form of horse ears, and 2â„3 below the leaves. Select agents such as ATP, ABT, NAA, IBAA, etc. to treat the cuttings after cuttings, cover film, cuttings survival rate is generally more than 85%. Pay attention to keeping warm during the seedling period and build shady shade. I transplanted in the following year. Every year from May to June, half of woody branches are cut for cuttings, and the mother tree is selected to be less than 10 years old. The length of 15 to 20 cm, cut off the lower branchlets, needles cut into horseshoe-shaped, placed in the ABT 7 rooting powder soaking, the concentration of 3010-6 ~ 5010-6, soaking time of 3 to 12 hours. The cuttings were then inserted into a seedbed on a river bed. Seedbed requires 1 meter wide, suitable length, cutting depth of 3 to 5 cm. Line spacing 10cm8cm, then spray. The seedlings were placed on a bed, covered with plastic sheets, sprayed 2 or 3 times a day, and sprayed once a day after half a month. Generally, the temperature is maintained at 20 to 30°C. Do not subject to strong light and rooting can be performed within 30 to 40 days. During this period, foliar fertilizer such as brassin can be sprayed to promote growth. When the seedlings take root, the fine management promotes prosperous growth, and the air is properly ventilated and lightened to increase the resistance. The seedlings can be transplanted on large seedbeds after the completion of the seedlings. Seedlings are generally grown at the seedbed for 2 to 3 years, and sprayed with auxin and foliar fertilizers are carefully managed every year. When the seedlings are 50 to 100 cm tall, they can be planted and planted in the mountains. The planting time can be either late autumn or spring, and the row spacing can be 3 meters by 4 meters. It can also be planted in streets, parks, and ornamental trees. (3) Transplanting 1 to 2 years for general seedlings, about 1 year for cutting propagation, when the seedlings grow up to 30-50 cm, they can be transplanted. Transplanting was carried out before germination from October to November or from February to March. One seedling per hole was planted, watered, and appropriate coverage was given. 3. Field management After the seeds have emerged, weeds are often removed. Every year, top-dressing l ~ 2 times, the rainy season to prevent water, to prevent rot. After Ding Tan, the cultivator used to weed and weed twice a year. After the woodland is closed, it is generally only cultivated and weeded in winter and cultivated soil five times. Combining cultivating and weeding for topdressing, the fertilizer source is mainly farmyard manure, and young trees should be cut off to ensure that the trunk is straight and fast. 1) Before the shading seedlings of the seedlings are unearthed, the shady scaffold must be erected and the shed height is 1.7 meters. In the days of the dog days, the seedbed should be shaded. 2) Pest control The seedlings emerged in the rainy season after they were unearthed. Due to excessive rainfall, high air humidity, and seedlings susceptible to pathogenic bacteria, root rot and damping-off occurred, resulting in failure of nursery. Therefore, the emphasis is on prevention, that is, spraying 800 times thiophanate or semi-quantitative: Bordeaux (0.5 cupric sulfate, 0.5 catty lime, 100 catty water) spray on seedlings 7 days after spraying, spraying seedling stems and leaves on the back and leaves. . 3) Intertillage, weeding and fertilization During the growth of seedlings, pay attention to weeding and loose soil and improve soil ventilation conditions. The principle of weeding is: except small, except early. Seedlings in the early growth stage of the seedlings are mainly nitrogen and phosphate fertilizers. They are formulated with 10% diluted urine plus 0.4 kg of urea and applied once every half month. It was suspended in mid-September and the shady nets were removed and the scaffolds were left for reuse each year. 4) If the seedlings are transplanted due to uneven seeding, the seedlings will be too dense and too thin. From the end of May to the middle of June, the seedlings shall be transplanted and intercropped and thinned. The transplanting method is: Select the rainy day or transplant after the rain, cover the moss, drizzle with water and transplant. 4. Harvest processing Artificially cultivated yew trees usually harvest branches and leaves after the third year. Fresh leaves can be harvested throughout the year. However, according to the accumulation of the active ingredient content, the shoots are preferably twigs, and the leaves are preferably old leaves. October is its best harvest period. If no fresh processing is used after harvesting, it shall be ventilated, dried or dried in time. 5, planting prospects Taxus chinensis, a relict plant in the third century, is called the “living fossil†in the plant kingdom. Because of its scarce resources, it is classified as a rare tree species in the world and protected. Taxus is a combination of medicinal, material, and ornamental. It has a high value for development and utilization. Paclitaxel extracted from the bark and branches of yew trees is recognized as an anti-cancer drug in the world, and is priced at 5 to 10 million US dollars per kilogram. Paclitaxel is used to treat advanced breast cancer, lung cancer, ovarian cancer and head and neck cancer, soft tissue cancer and gastrointestinal cancer. Taxus leaves are used to treat leukemia, nephritis, diabetes and polycystic kidney disease. Due to lack of natural resources and shortage of drug sources, yew has conducted extensive research and development in various areas. Taxus is a treasure, so the yew tree is also known as the “golden tree†and its planting prospects are promising. Where conditions are ripe, they can be properly developed. White Skin Garlics,Normal White Garlic,Fresh White Garlic,Delicious White Skin Garlic Yirun Agricultural Cooperative , https://www.yiruncn.com