Wind protection likes a warm and humid climate. It is resistant to drought, water blisters, and moisture. It grows loosely, fertilely, and has good drainage. The deep sandy soil is the most suitable soil. First, set up fertilizer. Wind protection is a deep-rooted plant. When planting, it is necessary to plow more than 30 cm deep. Apply 3000-5000 kg of high-quality fertilizer, 50 kg of superphosphate, and 15 kg of potassium sulfate as base fertilizer per acre. Second, sowing method. Wind seeds are generally sown in the same year without seedlings and seed germination must be carried out. Firstly, put the seeds on the ground and simmer gently. Let the seed coat slightly broken. Then pour it into warm water of about 35°C for 2-3 hours, remove and put it into the pot, mix it with a little wet sand, and put it in an environment of 20-25°C. Precipitate and sow when the seeds are white. Third, timely sowing. It can be broadcast in spring and autumn. Spring sowing in March-April, autumn sowing in September-October, autumn broadcast seedlings early and homogeneous, sowing 7 (20 °C) to 14 days (15-17 °C) can be Qimiao. Fourth, planting specifications. In the whole pod, the pods are planted at a spacing of 30 cm along the line, 1-2 cm deep, 2.5 kg of seeds sown, and 1 cm of soil after sowing, with a slight suppression (with down-to-earth solids). Conditional covers can be covered. Fifth, rhizome breeding. In the early spring, in the seed fields left over from the previous year, excavated windproof rhizomes that have not yet germinated, and cut small sections of 4-5 cm (which can be nursed or planted directly in the field). Digging holes are 30 centimeters and 20 centimeters apart. A hole is planted in a hole. During the drought, water the seedlings, and then water it once a week or so. After the ground is slightly dry, the seedlings will be lifted. Six, field management 1, Dianmiao Dingmiao: seedling emergence after 1 month, until the seedling height 10-15 cm, according to the spacing of 10-15 cm seedlings. 2, weeding soil: in June before the loose soil rush grass, in July after the ridge can not enter the field weeding, soil before the rainy season to prevent lodging. After the ground is frozen, the soil is protected by root protection. After the winter, a layer of circulatory fertilizer is placed on the ground. After the spring, the fecal patch is applied to the ground. 3, top dressing irrigation: from sowing to emergence of suitable water, should be a small amount of watering. When the height of the seedling is more than 10 cm, the root is deep underground, and the drought resistance is strengthened, and watering is minimized. Pay attention to drainage during the rainy season to prevent the accumulation of water. If there are many basal fertilizers with good quality and strong plant growth, they may not be top-dressed in the first year. When they return to green in the second year of early spring, they will have 1,000 kg of compost or human waste, 25 kg of superphosphate or compound fertilizer, and will be applied between the rows. 4. Snoring: Lively Daejeon generally does not twitch and blossom in the same year. In the second year of June and July, heading and flowering occur. In addition to leaving the fields, it is found that the convulsions should be removed in time. Due to windproof, the rhizome will be lignified and hollow after flowering, and the content of the active ingredient is low, so it is difficult to be used medicinally. Seven, pest control. (1) Root rot: Pour the roots of diseased plants with 5% lime water and spray with 50% mildew special 1000 times solution. (2) Powdery mildew: spraying Baume 0.2-0.3 degree lime sulfur or 50% thiophanate 1000 times. (3) Huang Pao Die: Spray 80% of dichlorvos 1000-1500 times, every 5-7 days, even spray 2-3 times; or spraying 300 times liquid. (4) Anise cocoon: Spray with 90% trichlorfon 800 times or 80% dichlorvos 1000 times in the early morning or evening. If the harmfulness of the ground pests is serious, use 50% phoxim EC as a seed for 0.1% of the seed amount, or a dilute EC with a small amount of wheat bran as a bait for inter-row trapping. Eight, harvest processing. Before the emergence of germination in spring or excavation in winter, when the excavation is conducted, ditches are opened on one side of the raft to prevent rooting. After the excavation, remove the soil, remove the fibrous roots when it is half-dried, then dry it to 90% dryness, tie it into small pieces according to the length, and then dry it until it is dry.
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