Astragalus is alias Camellia root, Lamiaceae, root medicine, seed propagation, temperature and climate, drought and cold resistance, avoid continuous cropping, traditional Chinese herbal medicine, has damp and diarrhea fire, bleeding and other effects. First, the election Select a higher fertility, loose soil, no plots of water and saline, deep plowing, Mushi high-quality farmyard fertilizer 5000 kg or so superphosphate 100 kg. 1, seed treatment. Seed treatment is the key to improve the rate of seed buds. Soak the seed in warm water of 40°C for 2-3 hours, remove and dry it, and select the seeds harvested from 2 to 3 years. The bud rate is higher. 2, sowing time. The suitable sowing date is from early May to late July. During this period, the yellow planted seedlings can safely pass winter. 3, planting methods. Astragalus can be broadcast directly, but it can also be transplanted and transplanted. Live broadcast is better than nursery transplanting. 4, sowing. Grooves 24 cm apart, 2 cm deep, sprinkle the seeds of the fine sand evenly in the ditch, cover soil 1 cm, water after repression, emerge about 13 days, 2 kg per mu, 10 cm high When transplanting Daejeon. 5, management. The period from the emergence of Astragalus membranaceus to the growth of true leaves is the highest mortality rate of Astragalus seedlings. This period is the key to catching seedlings. As long as the soil is kept moist, it can maintain a very high survival rate. After the leaves are grown, the mortality of the seedlings is very low. At the same time, we must pay attention to the timely control of weeds. When the height of the seedlings is 7 cm, the seedlings will be set at 3 cm in spacing, and the seedlings will be planted for 10 to 15 days. The areas with irrigation conditions will be poured once a year. Water will help return green in the next year. 6. Pest control. If root rot occurs, remove it immediately, and pour lime water for prevention and control. When the leaf blight occurs, it is sprayed with 1:1:100 Bordeaux mixture. The tiger and earthworm can use 90% of the original liquid of trichlorfon 1500 times. Pouring poison. Third, the harvest The suitable harvest time for Astragalus is 3 to 5 years after transplanting. The plant died on the ground in the fall, and the soil was harvested before it was frozen. Remove the reed stem soil, dry to half dry, hit the skin, and then drying dry, with a long, solid quality, the surface is smooth yellow color better.
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Second, sowing and management