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 with no wind at 9: 00 am and after 4: 00 pm. Be careful not to spray medicine on corn, sorghum and other gramineous crops.
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Harvest and processing of Codonopsis pilosula
The direct seeding field was harvested in three years, and the transplanting field was harvested in two years. Codonopsis pilosula was harvested during the period from aboveground withering to freezing, but the harvest quality was the best within half a month before and after Bailu Festival. When harvesting, pull out the bracket, cut off the stem, and then dig the ginseng root, be careful not to hurt the root, in order to prevent the loss of juice. The dug ginseng root is removed from the residual stem, washed the soil, divided into old, large, medium and graded according to size, length and thickness, and dried in semi-dry, then slightly scalded in boiling water and then dried or dried (drying only over a low heat, at a temperature of about 60 ℃).
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Codonopsis pilosula-- Codonopsis 8917mur2
8917Mel 2 is every new strain of Codonopsis pilosula in China selected by the people in the study of dry agriculture in Dingxi region of Gansu Province. It shows the advantages of high and stable yield, drought and cold resistance and strong adaptability. Compared with Shanxi Lu Party and Gansu Baitiao Party, the yield is 20%, 30%, 667%, 150, 200 kg and 250 kg, respectively. The main points of its seedling and cultivation techniques are briefly introduced as follows. 1. Intensive cultivation and adequate basic fertilizer should be applied to the nursery land. 2500 kg of rotten agricultural fertilizer should be applied every 667m2, and cake fertilizer should be increased by 100m.
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