Chrysanthemum growth temperature 17-20 °C. Ventilation vents should be opened when planting over 25°C in protected areas. When the young seedling grows to about 10 centimeters, the lobules are planted by the plant, spaced 3-5 centimeters apart, and the big leaf species are plucked by about 20 centimeters to remove the weeds. Seedlings began to water after unearthing to keep the soil moist as the standard. 10-15 days before harvesting topdressing 1 quick-acting nitrogen fertilizer, applied 15 kg of potassium nitrate per mu, about 8 kg of urea. Prevention and control of wormwood pests and diseases mainly from the agricultural control personnel, to a reasonable fertilization and watering, to avoid sudden changes; temperature management does not flicker, create a good ecological environment, promote healthy growth of plants. When the seedlings grow to 18-20 centimeters in height, the lobules are grounded at one time for cutting, and the roots are washed and the roots are bundled into small pieces. Artemisia halodendron can be harvested more flexibly and can be harvested at one time. It can also be harvested several times by sowing. The method is: to leave 4-5 leaves or 1-2 lateral branches at the base of the main stem during harvesting, or hand rub or A small knife cuts the upper young main branch or lateral branches and binds it to the market. It is smashed once every 20 days or so. Every time after harvesting, watering topdressing is applied to promote lateral branch germination.
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