Seedling raising techniques of Glycyrrhiza uralensis
Select sand and loam with low groundwater level and deep soil layer, but it must be water land. When the surface temperature reaches 15 ℃, 3000 kg of farm manure and 40 kg of American diamine or phosphorus nitrate are applied per mu, and then 40-50cm is ploughed deeply (otherwise there are many short branches of seedling roots, up to less than the prescribed quality standard), and the flat bed is watered once, and the amount of water is to make the soil reach the state of black soil moisture. (that is, after picking it up by hand and throwing it into a cake without scattered shape), after three or five days of shallow ploughing, you can open a ditch and sow the seed, according to the strip sowing method, the row spacing is 20-25cm, and the common valley is used to raise seedlings with 5-6 kg per mu, suitable temperature and humidity, and seedlings can emerge after 5 days. During the seedling raising period, it is necessary to loosen the soil and pull up the grass frequently. The seedlings generally emerge in 80000-120000 plants and can be transplanted to 6-10 mu. The seedling field must remember not to use nitrogen fertilizer and urea. Because of its burning, the seedlings are generally watered before planting, and the growing period does not need to be watered. And drainage measures should be done well, the time is from May to July, and May is the best.
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Seedling raising and transplanting techniques of Glycyrrhiza uralensis
Licorice is a perennial herb of Leguminosae, also known as sweet grass, which is widely used in medicine. First, the morphological characteristics, the plant height is 50ml, 120cm. Roots thick, Terete, reddish brown, rhizomes transverse. Stem erect, pinnately compound, alternate, leaflet 5-Mel 17, ovate or oval, butterfly-shaped, light purplish red. Pods curved, falcate, externally spiny. The seeds are round, brownish green and weigh 11.93 grams. The florescence is from July to August and the fruiting period is from August to October. 2. Growth characteristics Glycyrrhiza uralensis is mainly distributed in the "three north" areas of China, which requires the soil.
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Transplanting techniques of Glycyrrhiza uralensis
Generally, it takes place in late autumn and early spring, before the land is frozen in late autumn, before and after Ching Ming Festival in early spring, and no later than mid-April. On the basis of last year's autumn ploughing, the transplanting land should make a bed (the width of the border is determined by row spacing 50cm, depending on several rows of the border), and then fertilize, dig up the seedlings raised last year after thawing, and remove the aboveground and lower growing points for reserve. In the whole field, trench according to the row spacing 50cm, deep 12cm, and then put the seedlings flat on the bottom of the ditch, the head inclined to the inside slope, the slope is 10 degrees. It takes 2 lines to put the seedlings.
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