Planting technology of fresh white bark

White fresh bark is a kind of perennial herb root bark, which has the effect of clearing heat, dryness and dampness, expelling wind and detoxification, and has high planting value. What are the planting techniques of fresh white bark?

1. Soil: White fresh bark seedling land should choose sandy loam flat or gentle slope land with sufficient sunshine, loose soil quality and good drainage, low-lying land prone to waterlogging, saline-alkali land or heavy clayey land is not suitable, it is best to have drainage and irrigation conditions.

two。 Sowing: spring sowing of white fresh bark is carried out from late April to mid-May, sowing seeds with 3 times fine river sand, using about 20 grams per square meter, covering 1 centimeter of fine soil, and then covering 1 to 2 centimeters of Pinus tabulaeformis or larch needles. Autumn sowing is carried out from early October to early November, sowing seeds with 3 times fine river sand, using about 20 grams per square meter, covering 1 centimeter of fine soil, and then covering 1 to 2 centimeters of Pinus tabulaeformis or larch needles.

3. Site selection: White fresh bark transplanting land should choose gentle slope land with deep soil layer and good drainage. The mountain area can make use of sunny hillside wasteland, orchard and artificial young forest, as well as the low shrub space of tussah silkworm workshop and hazelnut orchard.

4. Transplanting: the planting depth of fresh bark is determined according to the root size of the transplanting seedlings, the terminal buds of the seedlings are placed upward in the transplanting trough, the terminal buds are 1 to 2 centimeters lower than the border surface, and the root system stretches 35 to 40 centimeters apart. Cover the soil, and flatten the border surface after covering the soil. Slightly shock pressure.

5. Weeding: in the first two years of transplanting, the seedlings were small and weeded 3 to 4 times a year in line with the principle of weeding on sight. After 3 years, the plant has grown very tall, the grass damage has little effect on it, and the relative times of weeding is reduced.

6. Fertilization: White fresh peel topdressing twice in late May and early June, 8 to 1000 kg of farm manure per mu or 8 to 10 kg of urea, and the Beginning of Autumn sprayed 0.3% to 0.5% potassium dihydrogen phosphate foliar fertilizer once.

7. Pest control: downy mildew, Sclerotinia sclerotiorum and rust are the most common diseases, yellow butterfly is the most common pest, according to the actual situation to control.

White fresh bark planting management is relatively simple, but the growth cycle is relatively long, if you want to plant white fresh skin, we should be prepared to fight for a long time.