CN103708952B - A kind of Vegetable culture medium - Google Patents
A kind of Vegetable culture medium Download PDFInfo
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- CN103708952B CN103708952B CN201310709304.0A CN201310709304A CN103708952B CN 103708952 B CN103708952 B CN 103708952B CN 201310709304 A CN201310709304 A CN 201310709304A CN 103708952 B CN103708952 B CN 103708952B
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Abstract
The present invention discloses a kind of Vegetable culture medium, belongs to cultivation technique without soil field.This matrix comprises the raw material of following volume ratio: coconut shell flour base-material 15-30 part, alcohol natural pond slag fermentation material 15-30 part, straw powder 5-10 part, carbonization rice husk 5-10 part, frozen soil 3-5 part, perlite 5-10 part, vermiculite 20-25 part; This water content of substrate 35-50%, total porosity 65-95%, organic content>=20%, total nutrient content 3-5%, particle diameter 0.1-4.9mm, unit weight 0.2-0.8g/cm
3, gas-water ratio is 1:2-4, EC value≤2.5mS/cm, pH is 5.8-7.5.The present invention mainly utilizes the organic wastes such as coconut shell flour, alcohol natural pond slag, straw powder as raw material, and through thermophilic fermentation process, production Vegetable culture medium, turns waste into wealth, and turns harm into good.And cost is low, quality is light, and nutrient is complete, and being well suited for growing of vegetables, is the good matrix of vegetable soilless culture.
Description
Technical field
The present invention relates to a kind of nutraceutical matrix of vegetable soilless culture, particularly relate to a kind of Vegetable culture medium, belong to vegetable soilless culture technical field.
Background technology
Soilless culture, refers to and carries out the method for cultivating by matrix, the high yield and high quality modern technique of the fertile saving of labor again that is mainly used on vegetables or flowers, is a water-saving, economizes without natural soil.
Substrate culture is a kind of mode that in soilless culture, popularizing area is maximum.It is fixed in the matrix of organic or inorganic by the root system of crop, by the method for drip irrigation or trickle irrigation, and the nutrition that supply crop needs or moisture.Current countries in the world great majority adopt gravel, sand, mud (grass) charcoal, vermiculite, perlite, rock wool, wood sawdust etc. as fixing matrix.Along with applying of cultivation technique without soil, the demand of matrix is increasing, the enterprise specializing in matrix production also arises at the historic moment, the kind of matrix is also more and more abundanter, present the development trend of sectionalization, customizations gradually, current topmost kind is divided into seedling medium and cultivation matrix two kinds, and seedling medium is the dedicated substrate according to the preparation of seedling development condition, and cultivation matrix segments according to different garden-variety, as Vegetable culture medium, flower culture matrix etc.At present, domestic and international application the most widely cultivation matrix is for main raw material with peat, rock wool, vermiculite, perlite, mushroom slag, wood sawdust, reed, fine sand, cinder, straw powder etc., formulated with the mixture of one or several raw materials, Chinese patent CN1128573C discloses Jiangsu Science & Engineering Univ. Li Ping duckweed etc. and utilizes reed as the license document of botanical seedling culturing and cultivation matrix; Chinese patent CN 101933451A discloses a kind of matrix for soilless culture of Leng Jiatuo villager group of flowers and fruits village of Zhongshan Road office, Yongchuan District, Chongqing City Su Rong, be by water ratio be the peat of 63-73% and not moisture fine perlite by 9: 1 weight ratio mixing granulation formed; On January 20th, 2010, Chinese patent CN101627718A discloses a kind of matrix of soilless culture, and this matrix is made up of blanket and spin laced fabric, and spin laced fabric is clipped between two-layer blanket; Wherein spin laced fabric is 10-200G/M
2, blanket is 500-5000G/M
2.
In sum, existing domestic matrix production unit is mainly using vermiculite, perlite, peat and animal excrement, reed, Chinese medicine slag, mushroom slag, acid-sludge etc. as nursery and cultivation matrix raw material.But peat originates in northeast, resource is tight, can not regenerate, and the enterprise in Jiangsu uses peat cost very high; The particles such as reed, Chinese medicine slag, mushroom slag are large, need grinding and processing; Although animal excrement are nutritious, there is quantity few, collect the deficiencies such as difficulty, be difficult to the needs meeting vegetables substrate culture.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of with the cassava biogas slag of fermentation and the organic waste such as coconut palm chaff, straw powder for main raw material, produce the technical scheme of vegetable soilless culture dedicated substrate.
Technical scheme of the present invention is achieved in the following ways:
A kind of Vegetable culture medium, comprises the raw material of following volume ratio: coconut shell flour base-material 15-30 part, alcohol natural pond slag fermentation material 15-30 part, straw powder 5-10 part, carbonization rice husk 5-10 part, frozen soil 3-5 part, perlite 5-10 part, vermiculite 20-25 part.
Described coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter.
Described alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Described alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; Described high temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 alcohol natural pond slag adds high temperature quick rotting agent 15-20kg; The described alcohol natural pond slag fermentation maturity process composting time is 15-60 days.
Described straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, the material processed by fermentation, water content 55-65%, straw powder can with alcohol natural pond slag co-fermentation.
Described frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently.
Described carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This water content of substrate 35-50%, total porosity 65-95%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 3-5%, particle diameter 0.1-4.9mm, unit weight 0.2-0.8g/cm
3, gas-water ratio is 1:2-4, EC value≤2.5mS/cm, pH is 5.8-7.5.
This substrate formula volume ratio is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 30 parts, straw powder 5 parts, carbonization rice husk 10 parts, 5 parts, frozen soil, perlite 5 parts, vermiculite 20 parts.
The formula volume ratio of this matrix optimization is: coconut shell flour base-material 30 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 5 parts, carbonization rice husk 10 parts, 3 parts, frozen soil, perlite 5 parts, vermiculite 22 parts.
The another kind of preferred formula volume ratio of this matrix is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 6 parts, carbonization rice husk 10 parts, 4 parts, frozen soil, perlite 5 parts, vermiculite 25 parts.
The physics and chemistry present situation of this matrix optimization is: water content≤45%, total porosity 70%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 5%, particle diameter 2-3mm, unit weight 0.5g/cm
3, gas-water ratio is 1:3, EC value be 1.8mS/cm, pH is 6.8.
The described alcohol natural pond slag preferred fermentation maturity process composting time is 30 days.
beneficial effect of the present invention:
1, coconut shell flour, alcohol natural pond slag, straw powder etc. are all organic wastes, and quantity is many, and purposes is few, with the raw material resources that its alternative peat etc. is non-renewable, for the production of vegetable soilless culture matrix, can reduce environmental pollution, turn waste into wealth, turn harm into good.
2, the present invention by coarse size any coconut shell flour and the alcohol natural pond slag mix and match of fine size, make the existing retentiveness of matrix have ventilation property again, compensate for the deficiency of acid-sludge matrix retentiveness difference.Meanwhile, the higher carbonization rice husk of alkalescence is used to be auxiliary material, not only can the potential of hydrogen of buffer matrix, and its potassium content is higher, also has abundant trace element, is well suited for growing of vegetables.
3, the Vegetable culture medium of the present invention's production, quality is light, and nutrient is complete, and cost is low, easy to use, can be widely used in vegetable soilless culture.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, this embodiment should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
embodiment 1:
A kind of Vegetable culture medium, is made up of the organic wastes such as coconut shell flour base-material, alcohol natural pond slag fermentation material, straw powder and carbonization rice husk, frozen soil, perlite, vermiculite; Wherein coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%; Frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently; Carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This substrate formula volume ratio is: coconut shell flour base-material 15 parts, alcohol natural pond slag fermentation material 30 parts, straw powder 10 parts, carbonization rice husk 5 parts, 3 parts, frozen soil, perlite 10 parts, vermiculite 20 parts;
This water content of substrate 35-50%, total porosity 65-95%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 3-5%, particle diameter 0.1-4.9mm, unit weight 0.2-0.8g/cm
3, gas-water ratio is 1:2-4, EC value≤2.5mS/cm, pH is 5.8-7.5.
Alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; Straw powder also needs to process by fermentation, co-fermentation after straw powder can mix with alcohol natural pond slag.
High temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 raw material adds high temperature quick rotting agent 15kg; Alcohol natural pond slag and straw powder fermentation maturity process composting time are 60 days.
embodiment 2:
A kind of Vegetable culture medium, is made up of the organic wastes such as coconut shell flour base-material, alcohol natural pond slag fermentation material, straw powder and carbonization rice husk, frozen soil, perlite, vermiculite; Wherein coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%; Frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently; Carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This substrate formula volume ratio is: coconut shell flour base-material 30 parts, alcohol natural pond slag fermentation material 15 parts, straw powder 5 parts, carbonization rice husk 10 parts, 5 parts, frozen soil, perlite 5 parts, vermiculite 25 parts;
This water content of substrate 35%, total porosity 95%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 5%, particle diameter 0.1-4.9mm, unit weight 0.2-0.8g/cm
3, gas-water ratio is 1:4, EC value≤2.5mS/cm, pH is 6.8-7.5.
Alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; High temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 alcohol natural pond slag adds high temperature quick rotting agent 20kg; The alcohol natural pond slag fermentation maturity process composting time is 15 days.
embodiment 3:
A kind of Vegetable culture medium, is made up of the organic wastes such as coconut shell flour base-material, alcohol natural pond slag fermentation material, straw powder and carbonization rice husk, frozen soil, perlite, vermiculite; Wherein coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%; Frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently; Carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This substrate formula volume ratio is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 30 parts, straw powder 5 parts, carbonization rice husk 10 parts, 5 parts, frozen soil, perlite 5 parts, vermiculite 20 parts.This water content of substrate≤45%, total porosity 65%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 3%, particle diameter 0.1-2mm, unit weight 0.2-0.3g/cm
3, gas-water ratio is 1:2, EC value be 1.8mS/cm, pH is 5.8-6.5.
Alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; High temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 alcohol natural pond slag adds high temperature quick rotting agent 18kg; The alcohol natural pond slag fermentation maturity process composting time is 30 days.
embodiment 4:
A kind of Vegetable culture medium, is made up of the organic wastes such as coconut shell flour base-material, alcohol natural pond slag fermentation material, straw powder and carbonization rice husk, frozen soil, perlite, vermiculite; Wherein coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%; Frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently; Carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This substrate formula volume ratio is: coconut shell flour base-material 30 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 5 parts, carbonization rice husk 10 parts, 3 parts, frozen soil, perlite 5 parts, vermiculite 22 parts.
This water content of substrate 50%, total porosity 95%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 5%, particle diameter 4.9mm, unit weight 0.8g/cm
3, gas-water ratio is 1:4, EC value≤2.5mS/cm, pH is 7.5.
Alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; High temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 alcohol natural pond slag adds high temperature quick rotting agent 20kg; The alcohol natural pond slag fermentation maturity process composting time is 15 days.
embodiment 5:
A kind of Vegetable culture medium, is made up of the organic wastes such as coconut shell flour base-material, alcohol natural pond slag fermentation material, straw powder and carbonization rice husk, frozen soil, perlite, vermiculite; Wherein coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%; Frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently; Carbonization rice husk is the ashes that rice husk stays after burning carbonization.
This substrate formula volume ratio is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 6 parts, carbonization rice husk 10 parts, 4 parts, frozen soil, perlite 5 parts, vermiculite 25 parts.
This water content of substrate≤45%, total porosity 70%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 5%, particle diameter 2-3mm, unit weight 0.5g/cm
3, gas-water ratio is 1:3, EC value be 1.8mS/cm, pH is 6.8.
Alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; Straw powder also needs to process by fermentation, co-fermentation after straw powder can mix with alcohol natural pond slag.
High temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 raw material adds high temperature quick rotting agent 18kg; The fermentation maturity process composting time of alcohol natural pond slag and straw powder is 30 days.
On a kind of Vegetable culture medium prepared by embodiment 5 and market, other 3 kinds of Vegetable culture medium of buying are jointly for Fruit Cucumber soilless culture, and simultaneous test effect is as follows:
Kind: the Zhexiu No.1 Fruit Cucumber of academy of agricultural sciences of Zhejiang Province seed selection.
Cultivating facility: glasshouse; Length 36 meters, span 9.5 meters, 4 across total width 38 meters.
Cultivating method: slot type is cultivated, cultivation bed width 1-1.2 rice, length 16.5 meters; 3 kinds of Vegetable culture medium that the Vegetable culture medium prepare embodiment 5 and market are bought spread in cultivation bed respectively, often kind of matrix paving one, city cultivation bed, stromal thickness 10-13cm.
Field planting: Fruit Cucumber planting-stock age is two leaf one cores.Within before field planting 3 ~ 4 days, cultivation matrix is watered sufficient nutritive medium, during field planting, rice shoot is watered adequate nutrition liquid, band is fertile transplants, and the field planting degree of depth is advisable to reach cotyledonary node, irrigates in a large number, in order to root growth after field planting in two weeks.
Rich water quality management: greenhouse uses water-fertilizer integral drip irrigation system to carry out nutritive medium and moisture is irrigated, uses special nutrient fluid formulated nutritive medium.
Plant manages: adopt single pole seat seedling training type, when plant 20cm ~ 25cm height, rattan is hung with nylon rope or the rope made of hemp, the corresponding strain Fruit Cucumber of every root rope, lifting rope one is fixed on plant base portion, one around on suspension ring, hang on grown on top frame, Fruit Cucumber tendril is climb along lifting rope, in Fruit Cucumber process of growth, need to remove all buds in all tendril, lateral bud and base portion 5 leaf, more than 5 leaves start to stay melon, often joint stays a melon, will extract Lao Ye, sick leaf and lopsided melon in time later.Prune weekly 2 ~ 3 times, buy Lao Ye, side shoot, fruit thinning, in time extract bottom variable color ageing leaves, generally beat Lao Ye, side shoot carried out in the morning, tie up climing, around head 3 times weekly, should carry out in the afternoon.Note putting rattan in time.
Environmental Kuznets Curves: Fruit Cucumber different growing is different to the requirement of temperature humidity, should maintain in optimum range as far as possible, take winter night insulation curtain be incubated or heat, utilize summer sunshade net to shade, help cooling by roll-up window, skylight, exhaust fan, room top spray pouring etc.; When indoor humidity is too high, available forced ventilation wet down, or heating air-discharging wet down; When humidity is too low, available top of greenhouse spray humidification.Fruit Cucumber is more responsive to illumination, during whole cultivation, as long as ensure normal room temperature, reduces room temp not too much, should allow the common light of plant as far as possible.
Different vegetable cultivation matrix Fruit Cucumber production index is in table 1
| Matrix is originated | Surviving rate (%) | Vegetative period (my god) | Melon long (cm) | Profile | Deformity melon (%) | Color | Per mu yield (kg) |
| Rice and fuel river | 97.3 | 133-140 | 14.0-15.0 | Cylinder shape | 7-12 | Pale green | 4000-4500 |
| Hefei | 92.7 | 130-136 | 13.9-14.9 | Cylinder shape | 8-12 | Green | 4000-4500 |
| Permanent glad | 94.6 | 136-140 | 14.2-15.0 | Cylinder shape | 6-10 | Pale green | 4300-4600 |
| Embodiment 5 | 100 | 136-142 | 14.2-15.3 | Cylinder shape | 2-5 | Green | 4300-5000 |
Table 1 can be found out, the Vegetable culture medium described in embodiment 5, and most of index is all a little more than other matrix, and test shows, the result of use that the Vegetable culture medium of embodiment 1 is specifically good.
Claims (6)
1. a Vegetable culture medium, is characterized in that: the raw material comprising following volume ratio: coconut shell flour base-material 15-30 part, alcohol natural pond slag fermentation material 15-30 part, straw powder 5-10 part, carbonization rice husk 5-10 part, frozen soil 3-5 part, perlite 5-10 part, vermiculite 20-25 part;
Described coconut shell flour base-material be domestic or import coconut palm chaff through the moistening material of water soaking processing treatment, water content 40-50%, particle diameter 1-6 millimeter;
Described alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas; Described alcohol natural pond slag fermentation material is the material of alcohol natural pond slag after the process of high temperature quick rotting agent fermentation reactor system; The described alcohol natural pond slag fermentation maturity process composting time is 15-60 days; Described high temperature quick rotting agent is made up of actinomycetes, yeast, milk-acid bacteria, genus bacillus, effective active bacterium bacteria containing amount 0.5-1 hundred million units/gram, and wherein actinomycetes account for 40-60%; High temperature quick rotting agent consumption is that every 100m3 alcohol natural pond slag adds high temperature quick rotting agent 15-20kg;
Described straw powder is the agricultural crop straw through grinding and processing, granularity 1-5mm, water content 55-65%;
Described frozen soil is to freeze night through a winter Exposure to Sunlight, repeatedly freeze earth's surface, the hillside vegetable mould made, and its humus content is high, good water absorption, draws materials conveniently;
Described carbonization rice husk is the ashes that rice husk stays after burning carbonization;
This water content of substrate 35-50%, total porosity 65-95%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 3-5%, particle diameter 0.1-4.9mm, unit weight 0.2-0.8g/cm
3, gas-water ratio is 1:2-4, EC value≤2.5mS/cm, pH is 5.8-7.5.
2. a kind of Vegetable culture medium according to claim 1, is characterized in that: this substrate formula volume ratio is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 30 parts, straw powder 5 parts, carbonization rice husk 10 parts, 5 parts, frozen soil, perlite 5 parts, vermiculite 20 parts.
3. a kind of Vegetable culture medium according to claim 1, is characterized in that: this substrate formula volume ratio is: coconut shell flour base-material 30 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 5 parts, carbonization rice husk 10 parts, 3 parts, frozen soil, perlite 5 parts, vermiculite 22 parts.
4. a kind of Vegetable culture medium according to claim 1, is characterized in that: this substrate formula volume ratio is: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 25 parts, straw powder 6 parts, carbonization rice husk 10 parts, 4 parts, frozen soil, perlite 5 parts, vermiculite 25 parts.
5. a kind of Vegetable culture medium according to claim 1, is characterized in that: this water content of substrate≤45%, total porosity 70%, organic content>=20%, N+P
2o
5+ K
2o total nutrient content 5%, particle diameter 2-3mm, unit weight 0.5g/cm
3, gas-water ratio is 1:3, EC value be 1.8mS/cm, pH is 6.8.
6. a kind of Vegetable culture medium according to claim 1, is characterized in that: the described alcohol natural pond slag fermentation maturity process composting time is 30 days.
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