Harvest and processing of Codonopsis pilosula
The harvest period of Dangshen was from the withering of the aboveground part to before freezing, but the harvest quality was best in half a month before white dew festival.
When harvesting, first pull out the support, cut off the stems and vines, and then dig the roots. When digging the roots, be careful not to hurt the roots to prevent the loss of pulp.
Remove the residual stems from the dug ginseng roots, wash the soil, divide them into old, large and medium strips according to size, length and thickness, dry them in the sun until they are half dry, blanch them slightly in boiling water, and then dry them in the sun or dry them (drying can only be done with low fire, and the temperature is about 60℃, not with fire. Otherwise, it is easy to bubble and separate the skin). When it is soft in the sun, the root strips are arranged 3-5 times, then tied into small handles, repeatedly pressed on the board, and then dried. Rub the root of Dangshen thin skin, meat firm and full soft, conducive to storage. The number of times should not be too many, do not force too much, otherwise it will become "fried dough sticks," reduce the quality. Every time the ginseng is sorted or rubbed, it must be spread out and dried, not stacked, so as not to ferment and affect the quality.
After processing Dangshen root to thick, solid texture, oily, strong smell, chewing when the residue less is better.
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Codonopsis pilosula harvesting and processing
The main results are as follows: (1) the direct seeding of Codonopsis pilosula can be harvested in 3 years, and it should be harvested in the second year after transplanting. When the stems and leaves on the ground are yellow and withered in autumn, choose a sunny day, dig carefully and dig out the whole root to avoid digging injury and breaking, so as to avoid the outflow of slurry, form a black scar and reduce the quality. (2) the harvested Codonopsis pilosula was washed and graded and processed separately. First put it on the mat and spread it for 2-3 days. When the ginseng becomes soft, tie up all levels of Codonopsis pilosula into small handfuls, hold the root in one hand and knead it downwards for several times. The sun will be out again the next day, and the horn will be harvested in the evening, each weighing 1.
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Prevention and control of Codonopsis pilosula grass damage
Fields dominated by annual grass weeds such as paspalum grass, horse tang, dogtail grass, and so on, were treated with herbicides such as Napujing (sparse grass), fine grass, Jingshengde and other herbicides. ① 2% Napujing EC 75 100g per 667m2. ② 5% refined grass EC 75ml 100g. ③ 15% steady kill EC dosage of 75ml 100g. The weeds were sprayed on stems and leaves with 15ml / kg of clear water and 20kg of water. Choose a sunny day without wind at 9: 00 am and enter after 4: 00 p. M.
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