CN111528021A - Combined fertilization method for improving polysaccharide content in polygonatum sibiricum - Google Patents
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
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- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
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Abstract
A combined fertilization method for improving polysaccharide content in rhizoma polygonati comprises the following treatment steps. (1) Pretreating edible fungus chaff and an oil tea cake, (2) pretreating gardenia leaves and the oil tea cake, (3) preparing a base fertilizer, (4) preparing a irrigating fertilizer, (5) preparing a leaf fertilizer, and (6) performing combined fertilization. The combined fertilization mode can effectively promote the growth of the polygonatum sibiricum, and improve the polysaccharide content in the blocky rhizomes of the polygonatum sibiricum by 10-20%.
Description
Technical Field
The invention relates to a combined fertilization method for improving polysaccharide content in rhizoma polygonati, and belongs to the technical field of Chinese herbal medicine cultivation.
Background
Rhizoma Polygonati (Polygonatum sibiricum) The polygonatum kingianum, the yellow chicken dish, the pennisetum purpureum, the conic gymnadenia rhizome, the tiger ginger and the rhizome of schefflera arboricola are perennial herbaceous plants of the polygonatum genus of the liliaceae family, are important traditional Chinese medicinal materials in China, and are also food with homology of medicine and food. Rhizoma Polygonati has the same shape as rhizoma Dioscoreae, can be eaten raw or stewed, and has effects of allaying hunger and promoting health.
Polysaccharide is a kind of polymer condensed from monosaccharide, widely exists in nature, and is an important bioactive substance. The rhizoma Polygonati polysaccharide is a plant polysaccharide extracted from rhizoma Polygonati massive rhizomes, has various biological activities, and has a relatively complex structure. The rhizoma Polygonati polysaccharide is soluble in water, insoluble in high concentration organic solvent such as ethanol and acetone, and can react with phenol sulfate and anthrone sulfate. The polygonatum polysaccharide is the main functional component of polygonatum, and researches show that the polygonatum polysaccharide has certain activities of resisting oxidation, regulating immunity, resisting diseases, resisting viruses, regulating blood sugar and blood fat, inhibiting bacteria, resisting inflammation and the like, and has good development and application prospects in the aspects of functional food and medical care.
At present, wild polygonatum is endangered to be extinct, and artificially planted polygonatum is sold in the market. The content difference of polygonatum polysaccharide is large due to the difference of planting and management levels. The sealwort with high polysaccharide content has stronger competitiveness in the market.
Disclosure of Invention
The invention aims to provide a combined fertilization method for improving the polysaccharide content in polygonatum.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a combined fertilization method for improving polysaccharide content in rhizoma polygonati comprises the following steps:
step 1: mixing the fungus bran powder, the oil tea cake powder and water according to a mass ratio of 4-5:1:5-6, and uniformly stirring to obtain mixed slurry; performing steam explosion treatment on the mixed slurry to obtain mixed slurry after the steam explosion treatment; mixing the mixed slurry subjected to steam explosion treatment with water according to the mass ratio of 1:4-5, heating to a boiling state, and decocting for 75-90min in the boiling state; after the boiling is finished, filtering the boiling liquid by a 100-mesh and 120-mesh screen, and respectively collecting filtrate and filter residue for later use;
step 2: mixing the gardenia leaves and the oil tea cakes according to the mass ratio of 4-5:1, then mixing the mixture with purified water according to the mass ratio of 1:4-5, heating to a boiling state, and extracting for 60-90min under the boiling state; after extraction is finished, filtering the extracting solution by a 100-sand 120-mesh screen, and respectively collecting filtrate and filter residue for later use;
and step 3: uniformly mixing 80-85 parts by weight of the filter residue obtained in the step 1, 10-15 parts by weight of the filter residue obtained in the step 2, 5-8 parts by weight of plant ash and 0.01-0.05 part by weight of organic fertilizer leavening agent, and then piling for fermentation, wherein the average volume of each pile is 5-10m3The slope of the pile is 40-60 degrees, after fermentation, hot air drying is carried out at 50-70 ℃ until the water content is lower than 10%, and then the hot air drying is carried out until the water content is 20-40 meshes, thus obtaining the polygonatum sibiricum base fertilizer;
and 4, step 4: uniformly mixing 850-900 parts by weight of water, 100-150 parts by weight of the filtrate prepared in the step 1, 2-4 parts by weight of calcium superphosphate, 0.5-1.0 part by weight of ammonium sulfate and 0.03-0.05 part by weight of zinc heptahydrate to obtain the sealwort irrigation fertilizer;
and 5: 925, 950 portions of water, 50 to 75 portions of the filtrate obtained in the step 2, 0.5 to 1.0 portion of monopotassium phosphate and 0.2 to 0.5 portion of ammonium molybdate are mixed evenly to obtain the polygonatum leaf fertilizer;
step 6: performing combined fertilization, specifically comprising:
(1) before the sealwort seedlings are planted in the field, the sealwort base fertilizer is uniformly sown on the surface of the soil or buried in the lower layer of the soil, and the fertilizing amount is 1000-2000 kg/mu each time; and applying a polygonatum base fertilizer once every 3-6 months during the polygonatum planting period, wherein the fertilizing amount is 1000-;
(2) fertilizing once every 14-21 days in spring and summer and fertilizing once every 28-35 days in autumn and winter during the period of planting rhizoma polygonati; the fertilizing method is that the sealwort irrigation fertilizer is irrigated at the root of the sealwort, and the fertilizing amount is 200-600 g/plant each time;
(3) fertilizing in the period of planting rhizoma polygonati, fertilizing once every 7-10 days in spring and summer, and fertilizing once every 14-20 days in autumn and winter; the fertilizing method is that the polygonatum leaf fertilizer is sprayed on the surfaces of the polygonatum leaves and stems, and the fertilizing amount is 50-200g per plant each time.
The preferable technical scheme is as follows: respectively crushing edible fungus chaff and oil-tea camellia cakes to 10-20 meshes to obtain fungus chaff powder and oil-tea camellia cake powder; the edible fungus chaff is at least one of oyster mushroom chaff, needle mushroom chaff, hericium erinaceus fungus chaff, agaricus bisporus fungus chaff and straw mushroom fungus chaff.
Due to the application of the technical scheme, compared with the prior art, the invention has the advantages that:
1. the invention comprehensively utilizes edible fungus chaff, oil tea cakes and gardenia leaves, and prepares base fertilizer, irrigation fertilizer and leaf fertilizer for planting polygonatum sibiricum through operations such as steam explosion, heap fermentation heat extraction, mixing and the like.
2. The invention develops a combined fertilization method by utilizing the prepared base fertilizer, the prepared irrigation fertilizer and the prepared foliar fertilizer, and has the advantages of simple operation and easy application.
3. The invention utilizes the prepared base fertilizer, the prepared irrigation fertilizer and the prepared foliar fertilizer to carry out combined fertilization on the planted polygonatum, so that the polysaccharide content in the blocky rhizomes of the polygonatum can be improved by 10-20 percent.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the present disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.
In describing the preferred embodiments, specific terminology may be employed for the sake of clarity; however, it is not intended that the disclosure herein be limited to the specific terminology so selected; and it is to be understood that each specific element includes all equivalent techniques that perform the same function, operate in a similar manner, and achieve a similar result.
The first embodiment is as follows: combined fertilization method for improving polysaccharide content in polygonatum sibiricum
A combined fertilization method for improving the polysaccharide content in rhizoma polygonati is characterized by comprising the following technical steps.
(1) Pretreatment of edible fungus chaff and oil-tea cake
Crushing edible fungus chaff and oil tea cakes to 10-20 meshes respectively to obtain fungus chaff powder and oil tea cake powder for later use. The edible fungus chaff is oyster mushroom chaff.
Mixing the fungus bran powder, the oil tea cake powder and water according to the mass ratio of 4.5:1:5.5, and fully stirring to obtain mixed slurry; placing the mixed slurry in steam explosion equipment, and performing pressure maintaining treatment for 5-8min by using 1.8-2.0MPa steam; then, closing the high-pressure steam, opening a feed liquid outlet valve, ejecting the material, and blasting under the action of pressure difference and temperature difference; and collecting the mixed slurry after the steam explosion treatment. Mixing the mixed slurry with water at a mass ratio of 1:4.5, placing into a stainless steel hot extraction device with a steam condensation collection device, boiling and decocting for 80 min; after the decoction is finished, filtering the decoction by a 100-mesh screen, and respectively collecting filtrate and filter residue for later use.
(2) Pretreatment of gardenia leaves and oil tea cakes
Mixing the gardenia leaves and the oil tea cakes according to the mass ratio of 4.5:1, mixing the mixture and purified water according to the mass ratio of 1:4.5, placing the mixture into a stainless steel heat extraction device with a steam condensation collection device, and boiling and extracting for 80 min; after extraction, filtering the extracting solution by a 100-mesh screen, and respectively collecting filtrate and filter residue for later use.
(3) Preparation of base fertilizer
And (3) fully and uniformly mixing 82 parts by weight of the filter residue in the step (1), 13 parts by weight of the filter residue in the step (2), 6 parts by weight of plant ash and 0.03 part by weight of organic fertilizer leavening agent. The organic fertilizer starter is a composite bacterial agent of bacteria and fungi with strong protein, cellulose, hemicellulose and lignin decomposition capacity, and the effective viable count is more than 10 hundred million/g.
And (5) stacking and fermenting. The mixture was placed in piles with an average volume of 7m per pile3The slope of the stack is 50 °. During fermentation, the temperature of the compost at the depth of 35cm of the fermentation pile is measured every 12h, and when the temperature is higher than 65 ℃, the pile turning operation is carried out. When the detected temperature of the piled materials is reduced, the materials are loose, have no initial smell of the materials and slightly have ammonia smell, and hypha is fully distributed in the piles, the mark indicates that the fermentation is finished.
After fermentation, spreading the materials, wherein the average height is less than 10cm, and standing for 48h to reduce the water content of the materials to below 30%. Drying the spread materials by hot air at 60 ℃ until the water content is lower than 10%, and then crushing the materials to 20-40 meshes to obtain the polygonatum sibiricum base fertilizer.
(4) Preparation of irrigation fertilizer
Uniformly mixing 880 parts by weight of water, 20 parts by weight of the filtrate in the step (1), 3 parts by weight of calcium superphosphate, 0.7 part by weight of ammonium sulfate and 0.04 part by weight of zinc sulfate heptahydrate to obtain the sealwort irrigation fertilizer.
(5) Preparation of leaf fertilizer
And (3) uniformly mixing 940 parts by weight of water, 65 parts by weight of the filtrate in the step (2), 0.7 part by weight of monopotassium phosphate and 0.4 part by weight of ammonium molybdate to obtain the polygonatum leaf fertilizer.
(6) Combined fertilizer application
And (3) combined fertilization, namely simultaneously applying a base fertilizer, a pouring fertilizer and a leaf fertilizer during the period of planting the polygonatum.
The base fertilizer is applied during the cultivation of the polygonatum sibiricum, and is applied once every 4 months during the cultivation period; the fertilization mode is that the fertilizer is uniformly sowed on the soil surface or is shallowly buried in the lower layer of the soil, and the fertilizing amount is 1500 kg/mu each time.
The fertilizer is applied during the period of planting rhizoma polygonati, wherein the fertilizer is applied once every 18 days in spring and summer and once every 30 days in autumn and winter; the fertilizing method is that the fertilizer is uniformly irrigated on the root of the polygonatum sibiricum, and the fertilizing amount is 400 g/plant each time according to the growth condition of the polygonatum sibiricum.
The foliar fertilizer is applied during the period of planting rhizoma polygonati, wherein the foliar fertilizer is applied once every 8 days in spring and summer and once every 17 days in autumn and winter; the fertilizing method is that the fertilizer is sprayed on the surfaces of leaves and stems of polygonatum sibiricum, and the fertilizing amount is 100g per plant according to the growth condition of polygonatum sibiricum individuals.
The combined fertilization can effectively promote the growth of the polygonatum sibiricum, so that the polysaccharide content in the blocky rhizomes of the polygonatum sibiricum is increased by 15 percent.
Example two: combined fertilization method for improving polysaccharide content in polygonatum sibiricum
A combined fertilization method for improving polysaccharide content in rhizoma polygonati comprises the following steps:
step 1: mixing the fungus bran powder, the oil tea cake powder and water according to a mass ratio of 4:1:5, and uniformly stirring to obtain mixed slurry; performing steam explosion treatment on the mixed slurry to obtain mixed slurry after the steam explosion treatment; mixing the mixed slurry subjected to steam explosion treatment with water according to the mass ratio of 1:4, heating to a boiling state, and decocting for 75min in the boiling state; after the decoction is finished, filtering the decoction through a 100-mesh screen, and respectively collecting filtrate and filter residue for later use;
step 2: mixing the gardenia leaves and the oil tea cakes according to the mass ratio of 4:1, then mixing the mixture and purified water according to the mass ratio of 1:4, heating to a boiling state, and extracting for 60min under the boiling state; filtering the extract through a 100-mesh screen after extraction is finished, and respectively collecting filtrate and filter residue for later use;
and step 3: uniformly mixing 80 parts by weight of filter residue obtained in the step 1, 10 parts by weight of filter residue obtained in the step 2, 5 parts by weight of plant ash and 0.01 part by weight of organic fertilizer leavening agent, and then piling for fermentation, wherein the average volume of each pile is 5m3The slope of the pile is 40 degrees, after fermentation is finished, hot air at 50 ℃ is used for drying until the water content is lower than 10 percent, and then the mixture is crushed into 20 meshes, so that the sealwort base fertilizer is obtained;
and 4, step 4: uniformly mixing 850 parts by weight of water, 100 parts by weight of the filtrate prepared in the step 1, 2 parts by weight of calcium superphosphate, 0.5 part by weight of ammonium sulfate and 0.03 part by weight of zinc sulfate heptahydrate to obtain the sealwort irrigation fertilizer;
and 5: uniformly mixing 925 parts by weight of water, 50 parts by weight of the filtrate prepared in the step 2, 0.5 part by weight of monopotassium phosphate and 0.2-0.5 part by weight of ammonium molybdate to obtain a polygonatum leaf fertilizer;
step 6: performing combined fertilization, specifically comprising:
(1) before the sealwort seedlings are planted in the field, uniformly broadcasting a sealwort base fertilizer on the surface of the soil or burying the sealwort base fertilizer in the lower layer of the soil, wherein the fertilizing amount is 1000 kg/mu each time; and applying a polygonatum base fertilizer once every 3 months during the polygonatum planting period, wherein the fertilizing amount is 1000 kg/mu;
(2) fertilizing once every 14 days in spring and summer and fertilizing once every 28 days in autumn and winter during the period of planting rhizoma polygonati; the fertilizing mode is that the polygonatum is irrigated with fertilizer at the root of the polygonatum, and the fertilizing amount is 200g per plant each time;
(3) fertilizing in the period of planting rhizoma polygonati, fertilizing once every 7 days in spring and summer, and fertilizing once every 14 days in autumn and winter; the fertilizing method is that the polygonatum sibiricum foliar fertilizer is sprayed on the surfaces of the polygonatum sibiricum leaves and stems, and the fertilizing amount is 50g per plant each time.
The preferred embodiment is: respectively crushing edible fungus chaff and oil-tea cakes to 10 meshes to obtain fungus chaff powder and oil-tea cake powder; the edible fungus chaff is prepared from oyster mushroom chaff and needle mushroom chaff according to the ratio of 1: 1 in a mass ratio.
Example three: combined fertilization method for improving polysaccharide content in polygonatum sibiricum
A combined fertilization method for improving polysaccharide content in rhizoma polygonati comprises the following steps:
step 1: mixing the fungus bran powder, the oil tea cake powder and water according to a mass ratio of 5:1: 6, and uniformly stirring to obtain mixed slurry; performing steam explosion treatment on the mixed slurry to obtain mixed slurry after the steam explosion treatment; mixing the mixed slurry subjected to steam explosion treatment with water according to the mass ratio of 1:5, heating to a boiling state, and decocting for 90min in the boiling state; after the decoction is finished, filtering the decoction through a 120-mesh screen, and respectively collecting filtrate and filter residue for later use;
step 2: mixing the gardenia leaves and the oil tea cakes according to the mass ratio of 5:1, then mixing the mixture with purified water according to the mass ratio of 1:5, heating to a boiling state, and extracting for 90min under the boiling state; filtering the extract through a 120-mesh screen after extraction is finished, and respectively collecting filtrate and filter residue for later use;
and step 3: uniformly mixing 85 parts by weight of filter residue obtained in the step 1, 15 parts by weight of filter residue obtained in the step 2, 8 parts by weight of plant ash and 0.05 part by weight of organic fertilizer leavening agent, and then piling for fermentation, wherein the average volume of each pile is 10m3The slope of the pile is 60 degrees, after fermentation is finished, hot air at 70 ℃ is used for drying until the water content is lower than 10 percent, and then the mixture is crushed to 40 meshes, so that the sealwort base fertilizer is obtained;
and 4, step 4: uniformly mixing 900 parts by weight of water, 150 parts by weight of the filtrate prepared in the step 1, 4 parts by weight of calcium superphosphate, 1.0 part by weight of ammonium sulfate and 0.05 part by weight of zinc sulfate heptahydrate to obtain the sealwort irrigation fertilizer;
and 5: uniformly mixing 950 parts by weight of water, 75 parts by weight of the filtrate obtained in the step 2, 1.0 part by weight of monopotassium phosphate and 0.5 part by weight of ammonium molybdate to obtain a polygonatum leaf fertilizer;
step 6: performing combined fertilization, specifically comprising:
(1) before the sealwort seedlings are planted in the field, uniformly broadcasting a sealwort base fertilizer on the surface of the soil or burying the sealwort base fertilizer in the lower layer of the soil, wherein the fertilizing amount is 2000 kg/mu each time; and applying a polygonatum base fertilizer once every 6 months during the polygonatum planting period, wherein the fertilizing amount is 2000 kg/mu;
(2) fertilizing once every 21 days in spring and summer and fertilizing once every 35 days in autumn and winter during the period of planting rhizoma polygonati; the fertilizing mode is that the polygonatum is irrigated with fertilizer at the root of the polygonatum, and the fertilizing amount is 600 g/plant each time;
(3) fertilizing in the period of planting rhizoma polygonati, fertilizing once every 10 days in spring and summer, and fertilizing once every 20 days in autumn and winter; the fertilizing method is that the polygonatum sibiricum foliar fertilizer is sprayed on the surfaces of the polygonatum sibiricum leaves and stems, and the fertilizing amount is 200g per plant each time.
The preferred embodiment is: respectively crushing edible fungus chaff and oil-tea cakes to 20 meshes to obtain fungus chaff powder and oil-tea cake powder; the edible mushroom bran is agaricus bisporus mushroom bran.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting thereof in any way, and any modifications or variations thereof that fall within the spirit of the invention are intended to be included within the scope thereof.
Claims (2)
1. A combined fertilization method for improving polysaccharide content in rhizoma polygonati is characterized by comprising the following steps: comprises the following steps:
step 1: mixing the fungus bran powder, the oil tea cake powder and water according to a mass ratio of 4-5:1:5-6, and uniformly stirring to obtain mixed slurry; performing steam explosion treatment on the mixed slurry to obtain mixed slurry after the steam explosion treatment; mixing the mixed slurry subjected to steam explosion treatment with water according to the mass ratio of 1:4-5, heating to a boiling state, and decocting for 75-90min in the boiling state; after the boiling is finished, filtering the boiling liquid by a 100-mesh and 120-mesh screen, and respectively collecting filtrate and filter residue for later use;
step 2: mixing the gardenia leaves and the oil tea cakes according to the mass ratio of 4-5:1, then mixing the mixture with purified water according to the mass ratio of 1:4-5, heating to a boiling state, and extracting for 60-90min under the boiling state; after extraction is finished, filtering the extracting solution by a 100-sand 120-mesh screen, and respectively collecting filtrate and filter residue for later use;
and step 3: uniformly mixing 80-85 parts by weight of the filter residue obtained in the step 1, 10-15 parts by weight of the filter residue obtained in the step 2, 5-8 parts by weight of plant ash and 0.01-0.05 part by weight of organic fertilizer leavening agent, and then piling for fermentation, wherein the average volume of each pile is 5-10m3The slope of the pile is 40-60 degrees, after fermentation, hot air drying is carried out at 50-70 ℃ until the water content is lower than 10%, and then the hot air drying is carried out until the water content is 20-40 meshes, thus obtaining the polygonatum sibiricum base fertilizer;
and 4, step 4: uniformly mixing 850-900 parts by weight of water, 100-150 parts by weight of the filtrate prepared in the step 1, 2-4 parts by weight of calcium superphosphate, 0.5-1.0 part by weight of ammonium sulfate and 0.03-0.05 part by weight of zinc heptahydrate to obtain the sealwort irrigation fertilizer;
and 5: 925, 950 portions of water, 50 to 75 portions of the filtrate obtained in the step 2, 0.5 to 1.0 portion of monopotassium phosphate and 0.2 to 0.5 portion of ammonium molybdate are mixed evenly to obtain the polygonatum leaf fertilizer;
step 6: performing combined fertilization, specifically comprising:
(1) before the sealwort seedlings are planted in the field, the sealwort base fertilizer is uniformly sown on the surface of the soil or buried in the lower layer of the soil, and the fertilizing amount is 1000-2000 kg/mu each time; and applying a polygonatum base fertilizer once every 3-6 months during the polygonatum planting period, wherein the fertilizing amount is 1000-;
(2) fertilizing once every 14-21 days in spring and summer and fertilizing once every 28-35 days in autumn and winter during the period of planting rhizoma polygonati; the fertilizing method is that the sealwort irrigation fertilizer is irrigated at the root of the sealwort, and the fertilizing amount is 200-600 g/plant each time;
(3) fertilizing in the period of planting rhizoma polygonati, fertilizing once every 7-10 days in spring and summer, and fertilizing once every 14-20 days in autumn and winter; the fertilizing method is that the polygonatum leaf fertilizer is sprayed on the surfaces of the polygonatum leaves and stems, and the fertilizing amount is 50-200g per plant each time.
2. The combined fertilization method for increasing the polysaccharide content in polygonatum sibiricum according to claim 1, wherein the combined fertilization method comprises the following steps: respectively crushing edible fungus chaff and oil-tea camellia cakes to 10-20 meshes to obtain fungus chaff powder and oil-tea camellia cake powder; the edible fungus chaff is at least one of oyster mushroom chaff, needle mushroom chaff, hericium erinaceus fungus chaff, agaricus bisporus fungus chaff and straw mushroom fungus chaff.
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| CN112740865A (en) * | 2020-12-25 | 2021-05-04 | 安徽理工大学 | Method and device for repairing mine post-explosion environment by adopting biological bacteria and moss |
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