CN112602558A - Soilless culture substrate with mixed fermentation material replacing imported coconut chaff and preparation method - Google Patents
Soilless culture substrate with mixed fermentation material replacing imported coconut chaff and preparation method Download PDFInfo
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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Abstract
The invention discloses a soilless culture substrate with a mixed fermentation material replacing imported coconut chaff and a preparation method thereof, wherein the mixed fermentation material comprises the following components in parts by weight: 30-45 parts of fermented vinasse, 25-35 parts of fermented vinegar residue, 15-25 parts of fermented wool washing sludge, 15-20 parts of fermented mushroom residue, 10-20 parts of fermented corncob and 5-10 parts of egg shell powder, wherein the fermented vinasse is formed by further fermenting cassava vinasse, the fermented vinegar residue is formed by further fermenting glutinous rice vinegar residue, the fermented wool washing sludge is formed by concentrating, purifying and then fermenting, the fermented mushroom residue is formed by fermenting fresh mushroom residue, the fermented corncob is formed by fermenting dry or wet corncob, and the granularity of the egg shell powder is 60-100 meshes. The mixed fermentation material replaces imported coconut coir, the water retention and the air permeability of the mixed fermentation material are close to those of the imported coconut coir, the mixed fermentation material is suitable for plant growth, the service life of the substrate is not prolonged to the imported coconut coir soilless culture substrate, and the mixed fermentation material has important economic value and social significance.
Description
Technical Field
The invention relates to a soilless culture substrate with a mixed fermentation material replacing imported coconut coir and a preparation method thereof.
Technical Field
Coconut coir is coconut husk fiber powder, which is a by-product or waste of coconut after processing. Is a pure natural organic matter medium which is dropped off from the processing process of coconut husk fiber. The processed coconut coir is very suitable for cultivating plants and is a popular gardening medium at present. Coconut coir is produced mainly in tropical and subtropical countries, such as india, srilanca, malaysia, philippines, etc. In China, only a small amount of coconut coir is produced in Hainan province and Zhejiang province.
Coconut chaff can be used for soilless culture of flowers and economic plant products. It has good water retention: the water and the nutrients can be fully maintained, the loss of the water and the nutrients is reduced, the nutrient and the water can be well absorbed by the root system of the plant in the growth process, and the growth of the plant is facilitated; good air permeability: the root system of the plant is prevented from being corroded, the growth of the root system of the plant is promoted, the soil can be protected, and the phenomenon of slurrying is avoided; also has slow natural decomposition rate, which is beneficial to prolonging the service life of the matrix.
However, the import price of the coconut coir is high, and customs duty and transportation cost need to be paid besides the cost of the coconut coir, so that the soilless culture substrate is high in price and becomes a tragus stone for developing soilless culture in China.
Disclosure of Invention
Aiming at the problems, the invention provides a soilless culture substrate with a mixed fermentation material replacing imported coconut coir, wherein the fermentation mixture is a filling substrate which combines vinegar residue, vinasse and wool washing sludge with traditional agricultural wastes, and the physical properties and functions of the fermentation product are close to those of the imported coconut coir to replace the imported coconut coir, so that the soilless culture substrate is suitable for soilless culture. The specific technical scheme is as follows:
firstly, the invention provides a soilless culture substrate with a mixed fermentation material replacing imported coconut coir, wherein the mixed fermentation material comprises the following components in parts by weight:
30-45 parts of fermented vinasse,
25-35 parts of fermented vinegar residue,
15-25 parts of fermented wool washing sludge,
15-20 parts of fermented mushroom residues,
10-20 parts of fermented corncobs,
5-10 parts of egg shell powder,
the fermented vinasse is formed by further fermenting cassava vinasse, the fermented vinegar residue is formed by further fermenting glutinous rice vinegar residue, the fermented wool washing sludge is formed by fermenting after concentration and purification treatment, the fermented mushroom residues are formed by fermenting fresh mushroom residues, the fermented corncobs are formed by fermenting dry or wet corncobs, and the granularity of the eggshell powder is 60-100 meshes.
Secondly, the invention provides a preparation method of the soilless culture substrate with the mixed fermentation material replacing imported coconut coir, which comprises the following steps:
s1: primary fermentation: respectively fermenting cassava vinasse, glutinous rice vinegar residue, wool washing sludge, fresh mushroom residue and corncobs to obtain primary fermentation materials of the components for later use;
s2: secondary fermentation: stacking and fermenting the cassava vinasse, wool washing sludge and part of the glutinous rice vinegar residue obtained in the step S1 to obtain a main material I of a mixed fermentation material; adding the other part of the glutinous rice vinegar residue obtained in the step S1 into the primary fermentation material of the other part of the egg shell powder, stacking the fresh mushroom residues and the primary fermentation material of the corncobs for fermentation to obtain a main material II of a mixed fermentation material;
s3: and (3) three-stage fermentation: mixing the main material I of the mixed fermentation material obtained in the step S2 with the main material II of the mixed fermentation material again, and performing tertiary fermentation to obtain a mixed fermentation material capable of replacing imported coconut coir;
s4: preparing a matrix: and (5) adding perlite and vermiculite into the mixed fermentation material obtained in the step (S3) for composting and fermenting to obtain the soilless culture substrate.
In the step S1, the primary fermentation specifically includes:
1) primary fermentation of vinasse: spreading cassava vinasse transported by an ethanol production plant, draining to control the water content within 60%, adding vinasse feed zymogen liquid, piling in a greenhouse, and fermenting for 7-15 days to obtain a vinasse primary fermentation material;
2) primary fermentation of vinegar residue: draining glutinous rice vinegar residue transported back from a vinegar factory to control the water content within 60%; then adding a pH balancing agent and a mixed microbial inoculum of basidiomycetes and saccharomycetes, piling up in a greenhouse and fermenting for 7-15 days to obtain a vinegar residue primary fermentation material;
3) primary fermentation of wool washing sludge: centrifugally concentrating wool washing sewage led from a wool washing workshop, adding biochar and EM beneficial flora, fully mixing, fermenting for 10-20 days in a greenhouse to obtain a wool washing sludge primary fermentation material;
4) primary fermentation of mushroom residues: drying and crushing the collected mushroom residues, mixing the crushed mushroom residues with rice bran according to the mass ratio of 2:1, adding bacillus subtilis, and fermenting in a mushroom residue fermentation tank for 7-15 days to obtain a mushroom residue primary fermentation material;
5) primary fermentation of corncobs: crushing fresh corncobs or crushing dry corncobs or spraying water to enable the humidity of the corncobs to reach 50% -60%, carrying in an organic fertilizer fermentation microbial inoculum, and carrying out composting fermentation for 7-15 days to obtain a first-grade corncob fermentation material.
In the step S2, in the secondary fermentation, the vinegar residue, vinegar residue and primary fermented material in the main material i of the mixed fermented material is 60% of the weight of the vinegar residue fermented material in the total mixed fermented material, and the eggshell powder is 65% of the weight of the eggshell powder in the total mixed fermented material; the primary fermentation material of the vinegar residue and the vinegar residue in the main material II of the mixed fermentation material accounts for 40% of the total weight of the vinegar residue fermentation material in the mixed fermentation material, and the eggshell powder accounts for 35% of the total weight of the eggshell powder in the mixed fermentation material.
In the step S2, the primary fermentation material stacking fermentation method of the cassava vinasse, the wool washing sludge and the glutinous rice vinegar residue is as follows: firstly, uniformly mixing a primary fermented material of glutinous rice vinegar residue with eggshell powder, and then circularly stacking and fermenting a layer of wool washing sludge primary fermented material, a layer of a mixture of a primary fermented material of glutinous rice vinegar residue and eggshell powder, a layer of a primary fermented material of cassava vinasse, and a layer of a primary fermented material of glutinous rice vinegar residue and eggshell powder.
Preferably, the preparation method of the soilless culture substrate with the mixed fermentation material replacing imported coconut coir comprises the steps of spraying a layer of mixed fermentation microbial inoculum on each layer of material during stacking fermentation; and a plurality of gaps are reserved in the layers of the wool washing sludge primary fermentation material layer and the vinasse primary fermentation material layer, and the gaps are filled with a layer of glutinous rice vinegar residue primary fermentation material and eggshell powder mixture.
Preferably, the mixed fermentation material replaces an imported coconut coir soilless culture substrate, and the mixed fermentation microbial inoculum is prepared by adding basidiomycetes, saccharomycetes and EM beneficial bacteria into diluted vinasse feed zymocyte liquid and mixing.
In the step S3, the third-stage fermentation is to mix the main material i of the mixed fermentation material and the main material ii of the mixed fermentation material again and perform composting fermentation in a fermentation frame at a normal temperature.
In the step S4, the amount of perlite added in the prepared substrate is 5w% -10 w% of the weight of the mixed fermentation material; the amount of the added vermiculite is 1w percent to 5w percent of the weight of the mixed fermentation material.
In the step S4, EM probiotic bacteria fermentation inoculum with the weight of 0.5w percent of the total matrix material weight is added when the matrix compost is prepared for fermentation; the standard for judging the completion of fermentation is as follows: the compost material is yellow white, the texture is soft block-shaped, and the compost material has light mushroom flavor, namely the fermentation is finished.
Has the advantages that:
according to the invention, the mixed fermentation material prepared by mixing the fermented vinasse, the fermented vinegar residue, the fermented wool washing sludge, the fermented mushroom residue and the fermented corncobs is used for replacing imported coconut husk, the water retention and air permeability of the mixed fermentation material are close to those of the imported coconut husk, the mixed fermentation material is rich in nutrition and superior to the coconut husk, the mixed fermentation material is suitable for plant growth when being used for preparing a soilless culture medium, the root system corrosion of plants is effectively prevented, rich nutrient substances in each fermentation component also have slow natural decomposition rate, and the service life of the medium is not prolonged to the imported soilless culture medium of the coconut husk.
The preparation method comprises the steps of fermenting the cassava vinasse, the glutinous rice vinegar residue, the wool washing sludge, the fresh mushroom residues and the corncobs respectively to obtain primary fermentation materials of all the components, dividing the cassava vinasse, part of the vinegar residue and the wool washing sludge into a group of primary fermentation materials, stacking and fermenting the cassava vinasse, part of the vinegar residue and the wool washing sludge, fermenting the other part of the vinegar residue primary fermentation materials, namely the mushroom residues and the corncob primary fermentation materials, mixing the fermentation materials after fermentation, and adopting different fermentation modes and fermentation bacteria according to different bottom material substances to ensure that the fermentation is more thorough and sufficient. The stackable fermentation not only ensures the fermentation advantages of each layer of fermentation material, but also can separate the fermentation layer through vinegar residue, thereby achieving the effect of ventilation, reducing or avoiding the link of turning the fermentation pile, simplifying the fermentation work, saving the labor and time, simultaneously controlling the proportion of the fermentation components more accurately, being beneficial to controlling the properties and the properties of the fermentation material and being beneficial to later use.
The soilless culture substrate prepared by the invention is rich in nutrition, has good water retention, air permeability and long-acting fertility, meets the requirement of soilless culture, is low in manufacturing cost, can fully utilize waste gas resources in various fields such as ethanol production, vinegar brewing, wool factories and agricultural production, has important economic value, and realizes important social significance of circular economy and green development.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
Example 1
In the embodiment, a mixed fermentation material capable of replacing imported coconut coir is prepared. The method comprises the following steps:
1. primary fermentation
1) Primary fermentation of vinasse: spreading cassava vinasse transported by an ethanol production plant, draining to control the water content within 60%, adding vinasse feed zymogen liquid, piling in a greenhouse, and fermenting for 7-15 days to obtain a vinasse primary fermentation material;
2) primary fermentation of vinegar residue: draining glutinous rice vinegar residue transported back from a vinegar factory to control the water content within 60%; then adding a pH balancing agent and a mixed microbial inoculum of basidiomycetes and saccharomycetes, piling up in a greenhouse and fermenting for 7-15 days to obtain a vinegar residue primary fermentation material;
3) primary fermentation of wool washing sludge: centrifugally concentrating wool washing sewage led from a wool washing workshop, adding biochar and EM beneficial flora, fully mixing, fermenting for 10-20 days in a greenhouse to obtain a wool washing sludge primary fermentation material;
4) primary fermentation of mushroom residues: drying and crushing the collected mushroom residues, mixing the crushed mushroom residues with rice bran according to the mass ratio of 2:1, adding bacillus subtilis, and fermenting in a mushroom residue fermentation tank for 7-15 days to obtain a mushroom residue primary fermentation material;
5) primary fermentation of corncobs: crushing fresh corncobs or crushing dry corncobs or spraying water to enable the humidity of the corncobs to reach 50% -60%, carrying in an organic fertilizer fermentation microbial inoculum, and carrying out composting fermentation for 7-15 days to obtain a first-grade corncob fermentation material.
2. Two-stage fermentation
Stacking and fermenting cassava vinasse obtained by primary fermentation, wool washing sludge and part of egg shell powder of a primary fermentation material of glutinous rice vinegar residue to obtain a main material I of a mixed fermentation material.
And (4) adding the other part of the glutinous rice vinegar residue obtained in the step (S1) into the primary fermentation material of the other part of the eggshell powder, stacking the fresh mushroom residues and the primary fermentation material of the corncobs, and fermenting to obtain a main material II of the mixed fermentation material.
The primary fermentation material of the vinegar residue and the vinegar residue in the main material I of the mixed fermentation material accounts for 60% of the weight of the vinegar residue fermentation material in the total mixed fermentation material, and the eggshell powder accounts for 65% of the weight of the eggshell powder in the total mixed fermentation material; the primary fermentation material of the vinegar residue and the vinegar residue in the main material II of the mixed fermentation material accounts for 40% of the total weight of the vinegar residue fermentation material in the mixed fermentation material, and the eggshell powder accounts for 35% of the total weight of the eggshell powder in the mixed fermentation material.
And stacking and fermenting the primary fermentation materials of the cassava vinasse, the wool washing sludge and the glutinous rice vinegar residue during fermentation of the main material I of the mixed fermentation material. The stacking mode is as follows: firstly, uniformly mixing a primary fermented material of glutinous rice vinegar residue with eggshell powder, and then circularly stacking and fermenting a layer of wool washing sludge primary fermented material, a layer of a mixture of a primary fermented material of glutinous rice vinegar residue and eggshell powder, a layer of a primary fermented material of cassava vinasse, and a layer of a primary fermented material of glutinous rice vinegar residue and eggshell powder. When stacking fermentation is carried out, one layer of mixed fermentation microbial inoculum needs to be sprayed on each layer of material; and a plurality of gaps are reserved in the layers of the wool washing sludge primary fermentation material layer and the vinasse primary fermentation material layer, and the gaps are filled with a layer of glutinous rice vinegar residue primary fermentation material and eggshell powder mixture. The mixed fermentation microbial inoculum is prepared by adding basidiomycetes, saccharomycetes and EM beneficial bacteria into diluted vinasse feed zymocyte liquid and mixing.
3. Three-stage fermentation
And (3) mixing the main material I of the mixed fermentation material obtained by the secondary fermentation with the main material II of the mixed fermentation material again, and performing composting fermentation in a fermentation frame at the normal temperature for 20-30 days to obtain the mixed fermentation material capable of replacing imported coconut coir.
4. Is prepared into a matrix
And then preparing a seedling substrate. Adding perlite which is 5-10 w% of the mixed fermentation material and vermiculite which is 1-5 w% of the mixed fermentation material into the mixed fermentation material, adding EM probiotic fermentation inoculum compost which is 0.5w% of the total substrate material weight, and fermenting again for 15-25 days to mature to serve as the soilless culture substrate. In this example, the criterion for judging the completion of fermentation is: the compost material is yellow white, the texture is soft block-shaped, and the compost material has light mushroom flavor, namely the fermentation is finished.
Example 2 Effect example
In this example, the physical and chemical properties of the soilless culture substrate prepared in example 1 were tested, and the soilless culture seedling substrate prepared by 85% of imported coconut coir, 10% of perlite and 5% of vermiculite was used as a comparison. The results of the physicochemical property test are shown in Table 1.
TABLE 1 physicochemical Properties of respective soilless culture substrates
| Physical and chemical properties | Example 1 | Comparative example |
| Volume weight g.cm-3 | 0.21 | 0.19 |
| Total porosity% | 67 | 63 |
| Pore space of water holding capacity% | 75 | 73 |
| The air vent hole% | 64 | 62 |
| PH(H2O) | 7.1 | 7.2 |
| Alkaline hydrolysis N g/kg | 425.1 | 400.3 |
| Quick-acting P g/kg | 60.2 | 58.7 |
| Quick-acting K g/kg | 87.3 | 88.8 |
| Substitutional Ca g/kg | 751 | 754 |
| Substitutional Mg/kg | 157 | 152 |
| Available Cu g/kg | 1.89 | 1.82 |
| Effective Fe g/kg | 805.2 | 799.6 |
| Mn g/kg in the available state | 17.1 | 16.6 |
| Zn g/kg in effective state | 20.9 | 21.4 |
According to the table, various nutrient components of the soilless seedling culture substrate of the mixed fermentation material prepared in the embodiment are comparable to or even superior to those of the imported coconut husk soilless culture substrate; in addition, the total porosity, the water holding porosity and the ventilation porosity of the soilless culture substrate prepared by the invention are all superior to those of imported coconut husk soilless culture substrates, and the soilless culture substrate is more suitable for soilless culture.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. The soilless culture substrate with the mixed fermentation material replacing imported coconut chaff is characterized in that: the mixed fermentation material comprises the following components in parts by weight:
30-45 parts of fermented vinasse,
25-35 parts of fermented vinegar residue,
15-25 parts of fermented wool washing sludge,
15-20 parts of fermented mushroom residues,
10-20 parts of fermented corncobs,
5 to 10 parts of eggshell powder,
the fermented vinasse is formed by further fermenting cassava vinasse, the fermented vinegar residue is formed by further fermenting glutinous rice vinegar residue, the fermented wool washing sludge is formed by fermenting after concentration and purification treatment, the fermented mushroom residues are formed by fermenting fresh mushroom residues, the fermented corncobs are formed by fermenting dry or wet corncobs, and the granularity of the eggshell powder is 60-100 meshes.
2. The preparation method of the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 1 is characterized by comprising the following steps: the method comprises the following steps:
s1: primary fermentation: respectively fermenting cassava vinasse, glutinous rice vinegar residue, wool washing sludge, fresh mushroom residue and corncobs to obtain primary fermentation materials of the components for later use;
s2: secondary fermentation: stacking and fermenting the cassava vinasse, wool washing sludge and part of the glutinous rice vinegar residue obtained in the step S1 to obtain a main material I of a mixed fermentation material; adding the other part of the glutinous rice vinegar residue obtained in the step S1 into the primary fermentation material of the other part of the egg shell powder, stacking the fresh mushroom residues and the primary fermentation material of the corncobs for fermentation to obtain a main material II of a mixed fermentation material;
s3: and (3) three-stage fermentation: mixing the main material I of the mixed fermentation material obtained in the step S2 with the main material II of the mixed fermentation material again, and performing tertiary fermentation to obtain a mixed fermentation material capable of replacing imported coconut coir;
s4: preparing a matrix: and (5) adding perlite and vermiculite into the mixed fermentation material obtained in the step (S3) for composting and fermenting to obtain the soilless culture substrate.
3. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in step S1, the primary fermentation specifically includes:
1) primary fermentation of vinasse: spreading cassava vinasse transported by an ethanol production plant, draining to control the water content within 60%, adding vinasse feed zymogen liquid, piling in a greenhouse, and fermenting for 7-15 days to obtain a vinasse primary fermentation material;
2) primary fermentation of vinegar residue: draining glutinous rice vinegar residue transported back from a vinegar factory to control the water content within 60%; then adding a pH balancing agent and a mixed microbial inoculum of basidiomycetes and saccharomycetes, piling up in a greenhouse and fermenting for 7-15 days to obtain a vinegar residue primary fermentation material;
3) primary fermentation of wool washing sludge: centrifugally concentrating wool washing sewage led from a wool washing workshop, adding biochar and EM beneficial flora, fully mixing, fermenting for 10-20 days in a greenhouse to obtain a wool washing sludge primary fermentation material;
4) primary fermentation of mushroom residues: drying and crushing the collected mushroom residues, mixing the crushed mushroom residues with rice bran according to the mass ratio of 2:1, adding bacillus subtilis, and fermenting in a mushroom residue fermentation tank for 7-15 days to obtain a mushroom residue primary fermentation material;
5) primary fermentation of corncobs: crushing fresh corncobs or crushing dry corncobs or spraying water to enable the humidity of the corncobs to reach 50% -60%, carrying in an organic fertilizer fermentation microbial inoculum, and carrying out composting fermentation for 7-15 days to obtain a first-grade corncob fermentation material.
4. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in the step S2, in the secondary fermentation, the vinegar residue and vinegar residue primary fermentation material in the main material I of the mixed fermentation material accounts for 60% of the weight of the vinegar residue fermentation material in the total mixed fermentation material, and the eggshell powder accounts for 65% of the weight of the eggshell powder in the total mixed fermentation material; the primary fermentation material of the vinegar residue and the vinegar residue in the main material II of the mixed fermentation material accounts for 40% of the total weight of the vinegar residue fermentation material in the mixed fermentation material, and the eggshell powder accounts for 35% of the total weight of the eggshell powder in the mixed fermentation material.
5. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in step S2, the primary fermentation material stacking fermentation method of the cassava vinasse, the wool washing sludge and the glutinous rice vinegar residue is as follows: firstly, uniformly mixing a primary fermented material of glutinous rice vinegar residue with eggshell powder, and then circularly stacking and fermenting a layer of wool washing sludge primary fermented material, a layer of a mixture of a primary fermented material of glutinous rice vinegar residue and eggshell powder, a layer of a primary fermented material of cassava vinasse, and a layer of a primary fermented material of glutinous rice vinegar residue and eggshell powder.
6. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 5, is characterized in that: when stacking fermentation is carried out, one layer of mixed fermentation microbial inoculum needs to be sprayed on each layer of material; and a plurality of gaps are reserved in the layers of the wool washing sludge primary fermentation material layer and the vinasse primary fermentation material layer, and the gaps are filled with a layer of glutinous rice vinegar residue primary fermentation material and eggshell powder mixture.
7. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 6, is characterized in that: the mixed fermentation microbial inoculum is prepared by adding basidiomycetes, saccharomycetes and EM beneficial bacteria into diluted vinasse feed zymocyte liquid and mixing.
8. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in step S3, the third-stage fermentation is to mix the mixed fermentation material main material i and the mixed fermentation material main material ii again and perform composting fermentation in a fermentation frame at room temperature.
9. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in the step S4, the amount of the perlite added in the prepared substrate is 5w% -10 w% of the weight of the mixed fermentation material; the amount of the added vermiculite is 1w percent to 5w percent of the weight of the mixed fermentation material.
10. The method for preparing the soilless culture substrate with the mixed fermentation material replacing imported coconut coir according to claim 2, is characterized in that: in step S4, EM probiotic bacteria fermentation inoculum with the weight of 0.5w percent of the total weight of the substrate materials is added in the prepared substrate compost for fermentation; and (5) fermenting the compost until the material is yellow-white, the material is in a soft block shape and has a light mushroom flavor, and finishing the fermentation.
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| CN114586638A (en) * | 2022-03-16 | 2022-06-07 | 青海千紫缘农业科技博览园 | Soilless culture seedling substrate for vegetables and seedling method thereof |
| CN114680019A (en) * | 2022-05-12 | 2022-07-01 | 天津农学院 | Corn cob fermentation product, fermentation method thereof and seedling culture substrate |
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| CN104446916A (en) * | 2014-11-16 | 2015-03-25 | 镇江培蕾基质科技发展有限公司 | Special matrix for watermelon seedling culture |
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| CN114680019A (en) * | 2022-05-12 | 2022-07-01 | 天津农学院 | Corn cob fermentation product, fermentation method thereof and seedling culture substrate |
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