Chai Hu warm climate, drought, cold, fear of embarrassment. The soil is preferably loamy or sandy loam. The use of cultivated land and sloping fields in mountainous areas can be suitable for sowing in the rainy season. ?
Soil fertigation, Mushi soil mixed fertilizer 2 to 3 cubic meters, 100 to 150 kilograms of superphosphate, fine leveling, made flat. Water the pot first, and then wait until the surface of the soil is loose after the water has penetrated. Before spring sowing, 1, first mix the seeds and wet sand in a ratio of 1:2, put them in low temperature conditions for 20-30 days, and then sieve out; 2. Before sowing, use 40C warm water and soak for 8 to 10 hours. Remove and put it in a bag or basket, place it in a warm place, and dip it once with fresh water every day until the young shoots sprout. Spring sowing in late March to late May, the north later. On the entire surface of the sorghum, 17 to 20 centimeters apart, about 1 centimeter deep, dig the seeds into the ditch, cover the soil 0.5 centimeters, and suppress it slightly to cover the mulch or weeds on the saggers. Keep the surface moist to facilitate sprouting.
Before the emergence of field management, the surface of the plant is often kept moist to facilitate seedling emergence and timely removal of the mulching film or weeds after emergence. Combine sloppy grass, but shallow, to cut the ground. The rainy season drains in time to prevent the accumulation of water.
Harvesting Seeds are harvested at the end of the first year after the sowing, or at the beginning of the second year of the spring. The roots are shaved, and the roots are shaken to shake off the earth, dried and used as medicine.
(B) dormancy management
1, winter cold:
In the northeast China, American ginseng is cultivated, and when the soil is frozen or when it is cultivated in the spring, frequent sudden changes in temperature at and around zero are likely to occur. Sometimes the spores and rhizomes of G. ginseng are damaged. The production is called “slow and coolâ€. Due to different years and different management techniques, the damage rate caused by such freezing damage is as low as 10%, and high as 80%. . Therefore, after the American squash has withered, it must be covered with cold to ensure safe wintering. Cold-proof coverings can be adapted to local conditions, with straw, leaves or cold soil, the general farmland cultivation more than the entire plot cover grass, thickness 10-20 cm. The cold-proof cover is completed in two stages. When the soil surface is frozen, cover the cold-proof material 7-10 centimeters, and complete the coverage every 10-15 days. Wind patches, sunny slopes, and large sand lands should be properly covered and windproof.
2, maintenance sheds:
After the snow melts each year, it is a good time to maintain the ginseng before the emergence of ginseng. The collapsed, inclined or unsturdy scaffolds should be repaired and repaired.
The Expandable Circuit is non-rigid tube used to convey gases or vapors between components of a breathing system. It`s mainly made of EVA material, extremely flexible, kinking resistant, very high quality. The tube is expandable, easy for transportation and use. It can be assembled with water trap, anaesthesia mask, Breathing Bag, BV filter, HMEF and so on, to fit with various needs. Thus, there are different models according to the assembled accessories and tube length.
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