1. The site selection and cultivation site must be close to the water source, with loose and fertile soil, well-drained sandy loam soil or humus loam soil and back-yang shady slope. The planting site should be high-drying, well-drained slopes, terraced fields, and raw soil. Both the wasteland and flat land are acceptable, but the soil layer is deep, fertile and well-structured. After the easy-cultivated soil has been withdrawn, the shrubs on the uncultivated land are cleared of ash for fertilizer in the winter of the first year. Then, the soil is deep-rooted 30 cm.æ•´ æ•´ æ•´ æ•´ æ•´ æ•´ æ•´ , , , , , , , , , , , , , , , , ,. Rehearsal cultivation, suitable for site preparation before autumn or spring. Combine land preparation with the use of decomposed manure or compost of 2,000-2,500 kilograms per kilogram and turn it into soil as a base fertilizer, then pour it into a 1.3-meter-wide sorghum, and open a drainage ditch around it. 2. The seedlings were sown and transplanted immediately after the fall of the stems and leaves in the autumn of the year, or after the soil was thawed 10 cm in the early spring of the second year. It is better to not be too late, otherwise, the growth of Dangshen seedlings will be affected after germination. Before the transplanting, the seedlings were dug up, and the bad seeds with no buds, damaged roots, and too young were removed and bundled into small ones. If the day cannot be planted, it should be buried in wet soil and must not be sprinkled. When transplanting, the row spacing is 20 cm, dig the ditch horizontally on the planting ground, and the depth is 15-18 cm. The seedlings will be placed in the ditch with 4 to 5 cm of plant spacing obliquely. The tail must not be bent, and the roots must be naturally stretched. Then, cover the soil more than 6 cm above the root; compacted and then drench the root water. Each seedling needs 25-30 kg. 3. After weeding and weeding in spring, the seedlings were removed and weeds were immediately removed; afterwards, weeding and thinning were performed at the time of thinning and supplementing the seedlings, and they should be removed by hand to loosen the topsoil and avoid root damage. Seedlings about 9 centimeters tall can be bentonite grass. Stop after the closure. 4. Fertilizer breeding seedlings do not top-dressing to control the Senate leggy. The planting area is combined with cultivating and weeding in the spring of each year, and 1,000 to 1,500 kilograms of livestock manure water is applied per acre. The second time before closing or scaffolding, 1,500 kilograms of thin human, livestock and manure water were applied per mu. Before the third cultivator in the autumn, 1000-1500 kg of compost was added per acre, plus 50 kg of superphosphate, or 15 kg of bone meal mixed in the rows and turned into the soil. After the application of soil to protect the cold, in order to facilitate the winter. After the return of green seedlings in spring, the cold-proof soil was eradicated. 5. Irrigation water irrigation and transplanting should be done with less irrigation. After planting or transplanting to survive, water or watering should be stopped. Pay attention to drainage during the rainy season to prevent rot. 6. When the stand height is 30 cm, a bamboo rod or tree branch shall be used to set up the scaffold so that the vine stem climbs up and grows. It is not only conducive to ventilation and light transmission and enhances photosynthesis, but also can prevent the humidity in the field from being too large and harm the pests. It is the cultivation of Codonopsis pilosula. One of the measures for increasing production. China Agricultural Network Editor
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