First, choose to do the bed through the mountain rhizomes in the lateral growth, the need to choose loose soil, deep soil, fertile soil humus or alluvial soil, ph value of about 6.5, sufficient soil moisture, well-drained plots. Plowing in early April, apply 10 cubic meters of decomposed farmhouse fertilizer per 667 square meters, combine ploughing and soil mixing, plough depth of 20 cm, make a bed after leveling, bed width 1.2 meters, height 15 centimeters, bed Pitch 40 cm.
Second, planting
1. Rhizome propagation Before spring plant sprouting, Jilin Province dug up the mother plant's rhizome in early April. Since the Chuanshan Longgang has just started the artificial test cultivation stage, no one has yet distinguished the variety. According to the test results, the rhizomes were thick, the internodes were short, and the pest-free varieties had high yields. According to this standard, the roots were selected. After selection, each section was cut into sections. Each section had 2-3 buds, the cross bed was separated by 40 cm, the depth of the trench was 8 cm, and the root section was placed in the trench with a spacing of 20 cm. Place 6 rows in each row and cover with soil to suppress the emergence of seedlings in 15 days or so. Because Chuanlong is a semi-negative plant, it is necessary to grow corn on both sides of the bed to shade the sun.
2. Seed propagation
Sown in early April, cross bed ditching, spacing 15 cm, ditch depth 2 cm, spread the seeds evenly in the ditch, cover soil 2 cm, a little repression, watering when dry, keep the soil moist, about 25 days to emerge . In the spring of the second year, the spacing is 40 centimeters and the transplanting distance is 20 centimeters. When the arable land is insufficient, the seeds can be sowed in the bushes. After natural growth of 2-3 years, the rhizomes are excavated and transplanted into the farmland.
Third, field management
1. Seedlings
After planting the seedlings, the seedlings were used to combine the seedlings after weeding. When the seedling height was about 10 cm, the seedlings were planted. To save the seedlings, the seedlings that emerged from the seedlings could be transplanted.
2. After weeding and wearing dragons, weeding should be carried out in a timely manner because the growth of the above-ground parts is weak. When the grass is large, the weeds are easy to hurt the young seedlings.
3. Topdressing Planting Chuanshan Dragons The first year when the seedling height is about 10 cm, a high-quality fertilizer is chased. After applying 5 cubic meters per 667 square meters, the method is to open the ditch along the ridge and ditches the depth of 10 cm. Spread the fertilizer into the ditch and then cover the soil. . After the second year, the growth of rhizomes is accelerated and the ridges are covered with ridges. It is not possible to top-dress fertilizer so as not to damage the roots and stems.
4. Stretching through the mountain dragons is a creeping plant, which needs to be erected with branches and raised 1.5 to 2 meters high so that the stems can be wrapped and grown, and the dense and long stems can be properly cut off.
5. Disease Prevention and Control Rainy season is prone to root rot, pay attention to drainage and flood control. After the onset of illness, the roots were irrigated with a 3000-fold solution of 97% badophane. After the occurrence of leaf blight, spray with 50% carbendazim 1000 times.
Fourth, harvest processing Seed breeding 4-5 years excavation, root propagation 3 years excavation. After the stems and leaves withered in the autumn season in the harvest season, before the sprouting in the spring, the root stems are dug out, the skin fibrous roots are removed, and the leaves are dried or dried after cutting.
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