CN110972856A - Seedling growing method for rheum palmatum - Google Patents
Seedling growing method for rheum palmatum Download PDFInfo
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- 240000001745 Rheum palmatum Species 0.000 title claims abstract description 37
- 235000008090 Rheum palmatum Nutrition 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 12
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- 235000009496 Juglans regia Nutrition 0.000 claims abstract description 23
- 235000020234 walnut Nutrition 0.000 claims abstract description 18
- 241000196324 Embryophyta Species 0.000 claims abstract description 15
- 238000009331 sowing Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 235000016709 nutrition Nutrition 0.000 claims description 41
- 230000035764 nutrition Effects 0.000 claims description 41
- 239000002689 soil Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 241000219061 Rheum Species 0.000 claims description 19
- 235000009411 Rheum rhabarbarum Nutrition 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 235000015097 nutrients Nutrition 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 10
- 229940023569 palmate Drugs 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000010899 nucleation Methods 0.000 claims description 7
- 241000238631 Hexapoda Species 0.000 claims description 6
- 241000607479 Yersinia pestis Species 0.000 claims description 6
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- 241000287828 Gallus gallus Species 0.000 claims description 5
- 229930191978 Gibberellin Natural products 0.000 claims description 5
- 244000141359 Malus pumila Species 0.000 claims description 5
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- 235000015103 Malus silvestris Nutrition 0.000 claims description 5
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims description 5
- 240000001462 Pleurotus ostreatus Species 0.000 claims description 5
- 229960003237 betaine Drugs 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 210000003608 fece Anatomy 0.000 claims description 5
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 5
- 239000011790 ferrous sulphate Substances 0.000 claims description 5
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 claims description 5
- 239000003448 gibberellin Substances 0.000 claims description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000010871 livestock manure Substances 0.000 claims description 5
- 229940099596 manganese sulfate Drugs 0.000 claims description 5
- 235000007079 manganese sulphate Nutrition 0.000 claims description 5
- 239000011702 manganese sulphate Substances 0.000 claims description 5
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 5
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 5
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 5
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 5
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 5
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- 239000010455 vermiculite Substances 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 241000411851 herbal medicine Species 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 1
- 239000006187 pill Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 5
- 206010004542 Bezoar Diseases 0.000 description 3
- 240000004980 Rheum officinale Species 0.000 description 3
- 244000247747 Coptis groenlandica Species 0.000 description 2
- 235000002991 Coptis groenlandica Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 206010010774 Constipation Diseases 0.000 description 1
- 235000002722 Dioscorea batatas Nutrition 0.000 description 1
- 235000006536 Dioscorea esculenta Nutrition 0.000 description 1
- 240000001811 Dioscorea oppositifolia Species 0.000 description 1
- 235000003416 Dioscorea oppositifolia Nutrition 0.000 description 1
- 241000219050 Polygonaceae Species 0.000 description 1
- 241001149649 Taxus wallichiana var. chinensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
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- 230000007226 seed germination Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a seedling raising method of rheum palmatum, belonging to the technical field of Chinese herbal medicine plant planting, comprising the following steps of ⑴ transformation of open space of a walnut garden, ⑵ preparation of a rheum palmatum matrix, ⑶ treatment of rheum palmatum seeds, ⑷ sowing of rheum palmatum seeds, and ⑸ seedling raising management.
Description
Technical Field
The invention belongs to the technical field of Chinese herbal medicine plant planting, and particularly relates to a three-dimensional cultivation type seedling raising method for cultivating rheum palmatum in economic forests.
Background
Rheum palmatum is a plant of Rheum of Polygonaceae, and is commonly used as bulk drug, and is used as medicine by drying roots and rhizomes. Rheum palmatum is one of the special important medicinal materials in the world well known in China, and has more than 2000 years of medicinal history in domestic and foreign application. Rhubarb is still a good medicine for clearing excess heat, relieving constipation, breaking food retention and removing blood stasis, and is an important raw material of dozens of Chinese patent medicines such as rhubarb stomach-clearing pills, bezoar supernatant-clearing pills, bezoar fire-clearing pills, bezoar detoxifying pills, Baishun pills, Qingning pills, coptis supernatant-clearing pills, coptis stomach-clearing pills and the like. At present, low-alcohol rhubarb wine, rhubarb beverage and rhubarb weight-losing medicine are very attractive in the market. For a long time, the rhubarb is an important export commodity except domestic use, and is sold in southeast Asia countries, Japan, America and Germany, so the rhubarb has good development prospect. For a long time, medicinal rhubarb is always a wild plant, and in recent years, although the medicinal rhubarb is sparsely planted, the medicinal rhubarb is extensive, so that the yield is low, the quality of finished products is uneven, and the artificial planting benefit is poor due to the low price of medicinal materials for a long time.
At present, rhubarb is planted by direct seeding and seedling transplantation, the direct seeding seed consumption is large, the seedling emergence is poor, the growth is slow in the first year, and the management such as intertillage weeding is difficult; the method is characterized in that the seedlings are grown in the original production place, the seedlings can be sown in the middle and last ten days of 4 months after unfreezing, the quality of rhubarb seedlings is influenced due to high altitude, large temperature difference change, low seed germination rate, large seed consumption and inconvenient field management, and the transplantation is carried out in 4 months in the next year, so that the popularization of the wild variety of the high-altitude Chinese yam in the rhubarb is influenced.
Disclosure of Invention
The invention aims to provide a method for cultivating rheum palmatum seedlings under taxus chinensis, which can improve the utilization rate of land space and increase the land output value per unit area.
In order to achieve the above object, the present invention adopts the following technical solutions.
A seedling raising method of rheum palmatum comprises the following steps:
⑴ modification of empty space of walnut garden
Selecting a dwarf walnut garden with a plant row spacing of 3 multiplied by 4m, deeply ploughing 30-40cm on the empty land of a walnut garden, arranging a seedbed, arranging two narrow and one wide three-row seedbeds on the empty land between every two rows of walnut trees, wherein the width of each wide seedbed is 1-1.2m, the height of each wide seedbed is 0.2-0.3m, the length of each wide seedbed is 8-12m, the width of each narrow seedbed is 0.4-0.5m, the height of each narrow seedbed is 0.1-0.2m, the length of each narrow seedbed is 8-12m, sidewalks are reserved between the seedbeds and apple trees, so that the management is convenient, digging small ditches with the width of 0.05-0.1m and the depth of 0.1-0.2m in the center of each sidewalk, then completely covering black mulching films on the sidewalks, and digging seedling ditches with the;
⑵ preparing radix et rhizoma Rhei Palmati matrix
Mixing garden soil, plant ash, decomposed chicken manure, oyster mushroom fungus chaff, fine sand, soy sauce residues and betaine according to the weight ratio of 10:1-2:3-5:2-3:0.2-0.3: 1-2: mixing at a weight ratio of 0.01-0.02 to obtain main material, adding water to adjust water content to 65-70% to obtain radix et rhizoma Rhei Palmati matrix; selecting environment-friendly degradable nutrition bowls with the specification of 12 x 15cm, and spreading palmate leaf rhubarb substrates with the height of 8-10cm in the nutrition bowls, wherein each nutrition bowl is used for sowing 3-5 seeds;
⑶ Rheum palmatum seed treatment
Selecting seeds of rheum palmatum without diseases, insect pests and blight, soaking the seeds in water at 40 ℃ for 5-15min, carrying out ultrasonic treatment during soaking, wherein the ultrasonic power is 100W, and then carrying out seed dressing treatment on the seeds and a seed dressing agent, wherein the seed dressing agent is a liquid preparation formed by mixing gibberellin solution with the mass concentration of 0.05% and rooting powder solution with the mass concentration of 0.15% according to the volume ratio of 1: 1;
⑷ sowing Rheum palmatum seeds
Seeding 3-5 Rheum palmatum seeds in each nutrition pot, covering a layer of mixed soil with the thickness of 2-3cm, putting the mixed soil in the seedling raising ditch of step ⑴, and immediately covering a layer of colorless mulching film after the nutrition pot is filled in the seedling raising ditch of each seedbed, wherein the mixed soil is prepared by mixing fine sand, leaf mold and vermiculite according to the weight ratio of 3:2: 5;
⑸ management of seedlings
Spraying a nutrient solution once when the height of the seedling is 5cm, wherein the nutrient solution is prepared by dissolving 2g of monopotassium phosphate, 0.01g of boric acid, 0.012g of ferrous sulfate, 0.01g of manganese sulfate and 0.01g of zinc sulfate in 0.5L of pyroligneous liquor and 9.5L of water; when the bud seedlings grow to 15cm, the bud seedlings and the nutrition pots are dug out and transplanted integrally or the nutrition pots and root nutrition soil are removed and transplanted together.
The invention has the beneficial technical effects that: the method utilizes the space under the forest of the dwarf close planting walnut garden and adopts the nutrition pot to cover the film to cultivate the Rheum palmatum seedlings, thereby obviously improving the transplanting survival rate of the Rheum palmatum seedlings, reducing the occurrence of plant diseases and insect pests, improving the land space utilization rate of the walnut garden and increasing the economic benefits of the garden.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
A seedling raising method of rheum palmatum comprises the following steps:
⑴ modification of empty space of walnut garden
Selecting a dwarf walnut garden with plant row spacing of 3 multiplied by 4m, deeply ploughing 30cm on the empty land of a walnut garden, arranging a seedbed, arranging two narrow and one wide three-row seedbeds on the empty land between every two rows of walnut trees, wherein the width of each wide seedbed is 1m, the height of each wide seedbed is 0.2m, the length of each wide seedbed is 8m, the width of each narrow seedbed is 0.4m, the height of each narrow seedbed is 0.1m, the length of each narrow seedbed is 8m, sidewalks are reserved between the seedbeds and apple trees, the management is convenient, digging small ditches with the width of 0.05m and the depth of 0.1m in the center of each sidewalk, then completely covering black mulching films on the sidewalks, and digging seedling-raising ditches with;
⑵ preparing radix et rhizoma Rhei Palmati matrix
Mixing garden soil, plant ash, decomposed chicken manure, oyster mushroom fungus chaff, fine sand, soy sauce residues and betaine according to the weight ratio of 10:1:3:2:0.2: 1: 0.01 weight ratio to prepare a main material, and then adding water to adjust the water content to 65 percent to obtain the rhubarb palmate substrate; selecting environment-friendly degradable nutrition bowls with the specification of 12 x 15cm, and spreading palmate leaf rhubarb substrates with the height of 8-10cm in the nutrition bowls, wherein each nutrition bowl is used for sowing 3 seeds;
⑶ Rheum palmatum seed treatment
Selecting seeds of rheum palmatum without diseases and insect pests and without blight, soaking the seeds in water at 40 ℃ for 5min, carrying out ultrasonic treatment during soaking, wherein the ultrasonic power is 100W, and then carrying out seed dressing treatment on the seeds and a seed dressing agent, wherein the seed dressing agent is a liquid preparation formed by mixing gibberellin solution with the mass concentration of 0.05% and rooting powder solution with the mass concentration of 0.15% according to the volume ratio of 1: 1;
⑷ sowing Rheum palmatum seeds
Seeding rheum palmatum seeds 3 in each nutrition pot, covering a layer of mixed soil with the thickness of 2cm, putting the seedlings into the seedling culture ditch of step ⑴, and immediately covering a layer of colorless mulching film after the nutrition pot is filled in the seedling culture ditch of each seedbed, wherein the mixed soil is prepared by mixing fine sand, leaf mold and vermiculite according to the weight ratio of 3:2: 5;
⑸ management of seedlings
Spraying a nutrient solution once when the height of the seedling is 5cm, wherein the nutrient solution is prepared by dissolving 2g of monopotassium phosphate, 0.01g of boric acid, 0.012g of ferrous sulfate, 0.01g of manganese sulfate and 0.01g of zinc sulfate in 0.5L of pyroligneous liquor and 9.5L of water; when the bud seedlings grow to 15cm, the bud seedlings and the nutrition pots are dug out and transplanted integrally or the nutrition pots and root nutrition soil are removed and transplanted together.
Example 2
A seedling raising method of rheum palmatum comprises the following steps:
⑴ modification of empty space of walnut garden
Selecting a dwarf walnut garden with plant row spacing of 3 multiplied by 4m, deeply ploughing 40cm on the empty land of walnut gardens, arranging seedbeds, arranging two narrow and one wide and three-row seedbeds on the empty land between every two rows of walnut trees, wherein the width of each wide seedbed is 1.2m, the height of each wide seedbed is 0.3m, the length of each wide seedbed is 12m, the width of each narrow seedbed is 0.5m, the height of each narrow seedbed is 0.2m, the length of each narrow seedbed is 12m, sidewalks are reserved between the seedbeds and apple trees, the management is convenient, small ditches with the width of 0.1m and the depth of 0.2m are dug in the center of each sidewalk, then, black mulching films are completely covered on the sidewalks, and seedling ditches;
⑵ preparing radix et rhizoma Rhei Palmati matrix
Mixing garden soil, plant ash, decomposed chicken manure, oyster mushroom fungus chaff, fine sand, soy sauce residues and betaine according to the weight ratio of 10:2:5:3:0.3: 2: 0.02 weight ratio, and then adding water to adjust the water content to 70 percent, thus obtaining the rhubarb palmate substrate; selecting environment-friendly degradable nutrition bowls with the specification of 12 x 15cm, and spreading palmate rhubarb substrates with the height of 10cm in the nutrition bowls, wherein each nutrition bowl is used for sowing 3-5 seeds;
⑶ Rheum palmatum seed treatment
Selecting seeds of rheum palmatum without diseases, insect pests and blight, soaking the seeds in water at 40 ℃ for 15min, carrying out ultrasonic treatment during soaking, wherein the ultrasonic power is 100W, and then carrying out seed dressing treatment on the seeds and a seed dressing agent, wherein the seed dressing agent is a liquid preparation formed by mixing gibberellin solution with the mass concentration of 0.05% and rooting powder solution with the mass concentration of 0.15% according to the volume ratio of 1: 1;
⑷ sowing Rheum palmatum seeds
Seeding 5 Rheum palmatum seeds in each nutrition pot, covering a layer of mixed soil with the thickness of 3cm, putting the seedlings in the seedling raising ditch of step ⑴, and immediately covering a layer of colorless mulching film after the nutrition pot is filled in the seedling raising ditch of each seedbed, wherein the mixed soil is prepared by mixing fine sand, leaf mold and vermiculite according to the weight ratio of 3:2: 5;
⑸ management of seedlings
Spraying a nutrient solution once when the height of the seedling is 5cm, wherein the nutrient solution is prepared by dissolving 2g of monopotassium phosphate, 0.01g of boric acid, 0.012g of ferrous sulfate, 0.01g of manganese sulfate and 0.01g of zinc sulfate in 0.5L of pyroligneous liquor and 9.5L of water; when the bud seedlings grow to 15cm, the bud seedlings and the nutrition pots are dug out and transplanted integrally or the nutrition pots and root nutrition soil are removed and transplanted together.
Example 3
A seedling raising method of rheum palmatum comprises the following steps:
⑴ modification of empty space of walnut garden
Selecting a dwarf walnut garden with plant row spacing of 3 multiplied by 4m, deeply ploughing 35cm of land on the empty land of walnut gardens, arranging seedbeds, arranging two narrow and one wide and three-row seedbeds on the empty land between every two rows of walnut trees, wherein the width of each wide seedbed is 1.1m, the height of each wide seedbed is 0.25m, the length of each wide seedbed is 10m, the width of each narrow seedbed is 0.45m, the height of each narrow seedbed is 0.15m, the length of each narrow seedbed is 10m, sidewalks are reserved between the seedbeds and apple trees, the management is convenient, small ditches with the width of 0.05m and the depth of 0.15m are dug in the center of each sidewalk, then, black mulching films are completely covered on the sidewalks, and seedling;
⑵ preparing radix et rhizoma Rhei Palmati matrix
Mixing garden soil, plant ash, decomposed chicken manure, oyster mushroom fungus chaff, fine sand, soy sauce residues and betaine according to the weight ratio of 10:1.5:4:2.5:0.25: 1.5: 0.015 weight ratio to prepare the main material, then add water to adjust the water content to 68 percent, thus obtaining the palmate rhubarb substrate; selecting environment-friendly degradable nutrition bowls with the specification of 12 x 15cm, and spreading palmate rhubarb substrates with the height of 9cm in the nutrition bowls, wherein each nutrition bowl is used for sowing 4 seeds;
⑶ Rheum palmatum seed treatment
Selecting seeds of rheum palmatum without diseases, insect pests and blight, soaking the seeds in water at 40 ℃ for 10min, carrying out ultrasonic treatment during soaking, wherein the ultrasonic power is 100W, and then carrying out seed dressing treatment on the seeds and a seed dressing agent, wherein the seed dressing agent is a liquid preparation formed by mixing gibberellin solution with the mass concentration of 0.05% and rooting powder solution with the mass concentration of 0.15% according to the volume ratio of 1: 1;
⑷ sowing Rheum palmatum seeds
Seeding 4 Rheum palmatum seeds in each nutrition pot, covering a layer of mixed soil with the thickness of 3cm, putting the mixed soil into the seedling raising ditch of step ⑴, and immediately covering a layer of colorless mulching film after the nutrition pot is filled in the seedling raising ditch of each seedbed, wherein the mixed soil is prepared by mixing fine sand, leaf mold and vermiculite according to the weight ratio of 3:2: 5;
⑸ management of seedlings
Spraying a nutrient solution once when the height of the seedling is 5cm, wherein the nutrient solution is prepared by dissolving 2g of monopotassium phosphate, 0.01g of boric acid, 0.012g of ferrous sulfate, 0.01g of manganese sulfate and 0.01g of zinc sulfate in 0.5L of pyroligneous liquor and 9.5L of water; when the bud seedlings grow to 15cm, the bud seedlings and the nutrition pots are dug out and transplanted integrally or the nutrition pots and root nutrition soil are removed and transplanted together.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. A seedling raising method of rheum palmatum comprises the following steps:
⑴ modification of empty space of walnut garden
Selecting a dwarf walnut garden with a plant row spacing of 3 multiplied by 4m, deeply ploughing 30-40cm on the empty land of a walnut garden, arranging a seedbed, arranging two narrow and one wide three-row seedbeds on the empty land between every two rows of walnut trees, wherein the width of each wide seedbed is 1-1.2m, the height of each wide seedbed is 0.2-0.3m, the length of each wide seedbed is 8-12m, the width of each narrow seedbed is 0.4-0.5m, the height of each narrow seedbed is 0.1-0.2m, the length of each narrow seedbed is 8-12m, sidewalks are reserved between the seedbeds and apple trees, so that the management is convenient, digging small ditches with the width of 0.05-0.1m and the depth of 0.1-0.2m in the center of each sidewalk, then completely covering black mulching films on the sidewalks, and digging seedling ditches with the;
⑵ preparing radix et rhizoma Rhei Palmati matrix
Mixing garden soil, plant ash, decomposed chicken manure, oyster mushroom fungus chaff, fine sand, soy sauce residues and betaine according to the weight ratio of 10:1-2:3-5:2-3:0.2-0.3: 1-2: mixing at a weight ratio of 0.01-0.02 to obtain main material, adding water to adjust water content to 65-70% to obtain radix et rhizoma Rhei Palmati matrix; selecting environment-friendly degradable nutrition bowls with the specification of 12 x 15cm, and spreading palmate leaf rhubarb substrates with the height of 8-10cm in the nutrition bowls, wherein each nutrition bowl is used for sowing 3-5 seeds;
⑶ Rheum palmatum seed treatment
Selecting seeds of rheum palmatum without diseases, insect pests and blight, soaking the seeds in water at 40 ℃ for 5-15min, carrying out ultrasonic treatment during soaking, wherein the ultrasonic power is 100W, and then carrying out seed dressing treatment on the seeds and a seed dressing agent, wherein the seed dressing agent is a liquid preparation formed by mixing gibberellin solution with the mass concentration of 0.05% and rooting powder solution with the mass concentration of 0.15% according to the volume ratio of 1: 1;
⑷ sowing Rheum palmatum seeds
Seeding 3-5 Rheum palmatum seeds in each nutrition pot, covering a layer of mixed soil with the thickness of 2-3cm, putting the mixed soil in the seedling raising ditch of step ⑴, and immediately covering a layer of colorless mulching film after the nutrition pot is filled in the seedling raising ditch of each seedbed, wherein the mixed soil is prepared by mixing fine sand, leaf mold and vermiculite according to the weight ratio of 3:2: 5;
⑸ management of seedlings
Spraying a nutrient solution once when the height of the seedling is 5cm, wherein the nutrient solution is prepared by dissolving 2g of monopotassium phosphate, 0.01g of boric acid, 0.012g of ferrous sulfate, 0.01g of manganese sulfate and 0.01g of zinc sulfate in 0.5L of pyroligneous liquor and 9.5L of water; when the bud seedlings grow to 15cm, the bud seedlings and the nutrition pots are dug out and transplanted integrally or the nutrition pots and root nutrition soil are removed and transplanted together.
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| CN102652482A (en) * | 2012-05-11 | 2012-09-05 | 句容谷歌庄园现代农业科技发展有限公司 | High-benefit planting method for positions under polygonatum cyrtonema hua forest |
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