CN103787732B - A kind of watermelon plug seedling substrate and preparation method thereof - Google Patents

A kind of watermelon plug seedling substrate and preparation method thereof Download PDF

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CN103787732B
CN103787732B CN201310709329.0A CN201310709329A CN103787732B CN 103787732 B CN103787732 B CN 103787732B CN 201310709329 A CN201310709329 A CN 201310709329A CN 103787732 B CN103787732 B CN 103787732B
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parts
natural pond
watermelon
pond slag
substrate
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CN103787732A (en
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蔡忠
蔡培元
朱忠贵
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Jiangsu Xingnong Matrix Technology Co. Ltd.
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ZHENJIANG XINGNONG ORGANIC FERTILIZER Co Ltd
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Abstract

The present invention discloses a kind of watermelon plug seedling substrate and preparation method thereof, and 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, carbonization rice husk 15-25 part, cripple 1-2 part, perlite 5-10 part, vermiculite 15-25 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, and pH value is 5.8-7.5.Making method comprises the step such as processing treatment, mix and blend, adjustment physical and chemical index, quantitative package of raw material, applies the watermelon seedling well developed root system of this matrix cultivation, the healthy and strong anosis worm of blade, meets standard in strong sprout.The present invention mainly utilizes organic waste as raw material, through thermophilic fermentation process, produces watermelon plug seedling substrate, turns waste into wealth, turn harm into good.And cost is low, quality is light, and nutrient is complete, and being well suited for growing of watermelon seedlings, is the good matrix of watermelon industrial hole plate seedling growth.

Description

A kind of watermelon plug seedling substrate and preparation method thereof
Technical field
The present invention relates to a kind of nutraceutical matrix and preparation method thereof, particularly relate to a kind of watermelon plug seedling substrate and preparation method thereof, belong to agricultural technology 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.
Watermelon taste sweet juice is many, nutritious, clearly quench one's thirst, be relieve summer heat summer quench one's thirst, pure safe fruit.In cultivating watermelon, nursery is important step, and the watermelon seedling cultivating high-quality is the basis of yield production of water melon.Traditional watermelon seedling culturing is all adopt Nutrition Soil making bowl and growing, and along with seeding raising technology and the development of equipment, matrix hole plate seedling growth replaces feeding block seedlings raising just gradually, and many places have achieved the industrial seedling rearing of vegetables and garden crop.Seedling medium is the indispensable raw material of industrial seedling rearing, and it is the dedicated substrate needing preparation according to seedling development.At present, domestic and international application the most widely seedling medium 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, in July, 2012, Chinese patent CN102138499B discloses Nanjing Institute of Vegetable Science and utilizes Chinese medicine slag breeding earthworm, then using wormcast, vermiculite, perlite etc. as the license document of raw material production watermelon seedling culturing substrate; Chinese patent CN101855981A disclosed vegetable or flower institute of the Chinese Academy of Agricultural Sciences and utilized vegetables residue, the peat composed of rotten mosses, vermiculite to prepare the license document of watermelon seedling culturing substrate and preparation method thereof in October, 2010; Chinese patent CN102432394B2013 discloses the license document that Zhenjiang Pei Lei matrix company utilizes acid-sludge production seedling substrate for soilless culture for vegetables July.
In sum, the garden crop seedling medium such as domestic existing watermelon is mainly using vermiculite, perlite, mud (grass) charcoal and animal excrement etc. as seedling medium raw material.But peat originates in northeast, resource is tight, can not regenerate, and the enterprise in Jiangsu uses peat cost very high; Although animal excrement are nutritious, there is quantity few, collect the deficiencies such as difficulty, be difficult to the needs meeting industrial seedling rearing.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of with the alcohol natural pond slag of fermentation and coconut palm chaff brick for main raw material, produce the scheme of watermelon plug seedling substrate and preparation method thereof.
Technical scheme of the present invention is achieved in the following ways:
A kind of watermelon plug seedling substrate, 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, carbonization rice husk 15-25 part, cripple 1-2 part, perlite 5-10 part, vermiculite 15-25 part;
Described coconut shell flour base-material be domestic or import coconut palm brick add water carry out expansion process after the moistening material that formed;
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 cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm;
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 30 parts, alcohol natural pond slag fermentation material 15 parts, carbonization rice husk 25 parts, cripple 1 part, perlite 5 parts, vermiculite 24 parts.
The preferential formula volume ratio of this matrix is: coconut shell flour base-material 15 parts, alcohol natural pond slag fermentation material 30 parts, carbonization rice husk 15 parts, cripple 2 parts, perlite 5 parts, vermiculite 24 parts.
Another volume ratio of preferably filling a prescription of this matrix is: coconut shell flour base-material 26 parts, alcohol natural pond slag fermentation material 26 parts, carbonization rice husk 16 parts, cripple 2 parts, perlite 5 parts, vermiculite 25 parts.
The physical and chemical index 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.
A making method for watermelon plug seedling substrate, is characterized in that:
1) processing treatment of raw material
1. alcohol natural pond slag high temperature quick rotting agent is carried out abundant fermentation maturity process, be dried to water content 25-35%, be crushed to below particle diameter 3mm;
2. coconut palm brick is added water and carries out the coconut shell flour base-material that expansion process becomes moistening, the coefficient of expansion be 4-6 doubly, water content 40-50%, particle diameter 1-6mm;
3. by below the process to 20% of cripple water content, pulverize and sieve to 50 orders;
4. carbonization rice husk is pulverized and sieved to 50 orders;
2) mix and blend: by step 1.-step the alcohol natural pond slag fermentation material, coconut shell flour base-material, cripple and the carbonization rice husk that 4. obtain and perlite, vermiculite uniformly mix;
3) measure, adjustment physical and chemical index: to measure, the physical and chemical index of adjustment matrix, make water content, total porosity, unit weight, gas-water ratio, EC value, pH index meet desired value described in claim 2 or 7.
4) quantitative package: put in storage after the watermelon plug seedling substrate made quantitatively is loaded packaging bag enclosing, every bag of Intake Quantity 0.01-0.1m3.
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.
beneficial effect of the present invention:
1, coconut shell flour, alcohol natural pond slag 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 watermelon plug seedling substrate, 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, change 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 vegetable seedling.
3, the watermelon seedling culturing substrate 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 the industrial hole plate seedling growth of the garden crops such as watermelon.
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 watermelon plug seedling substrate, raw material is vermiculite, perlite, cripple, carbonization rice husk and through organic wastes such as the alcohol natural pond slag fermentation material of process of becoming thoroughly decomposed and coconut shell flour base-materials; Wherein coconut shell flour base-material be domestic coconut palm brick add water carry out expansion process after the moistening material that formed, the coefficient of expansion is 4, water content 40%, particle diameter 1-6mm; Cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm; Carbonization rice husk is the ashes that rice husk stays after burning carbonization; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas.
This substrate formula component is by volume: coconut shell flour base-material 30 parts, alcohol natural pond slag fermentation material 15 parts, carbonization rice husk 25 parts, cripple 1 part, perlite 1 part, vermiculite 24 parts; This water content of substrate 35%, total porosity 65%, organic content 20%, N+P 2o 5+ K 2o total nutrient content 3%, particle diameter 0.1mm, unit weight 0.2g/cm 3, gas-water ratio is 1:2, EC value 2.5mS/cm, pH is 5.8.
Alcohol natural pond slag fermentative processing be summer in sunlight board awning, adopt bar buttress formula fermentation process, carry out decomposition reactor system process to alcohol natural pond slag, the composting time is 15 days, every turning in 1-2 days once.
embodiment 2:
A kind of watermelon plug seedling substrate, raw material is vermiculite, perlite, cripple, carbonization rice husk and the organic waste such as the alcohol natural pond slag fermentation material processed by fermentation and coconut shell flour base-material; Wherein coconut shell flour base-material be domestic coconut palm brick add water carry out expansion process after the material that formed, the coefficient of expansion is 6, water content 50%, particle diameter 1-6mm; Cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm; Carbonization rice husk is the ashes that rice husk stays after burning carbonization; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas.
This substrate formula component is by volume: coconut shell flour base-material 15 parts, alcohol natural pond slag fermentation material 30 parts, carbonization rice husk 15 parts, cripple 2 parts, perlite 5 parts, vermiculite 24 parts; This water content of substrate 50%, total porosity 95%, organic content 22%, 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 2.0mS/cm, pH is 7.5.
Alcohol natural pond slag fermentative processing be winter in sunlight board awning, adopt wheeled fermentation process, carry out decomposition reactor system process to alcohol natural pond slag, the composting time is 60 days, every turning in 4-5 days once.
embodiment 3:
A kind of watermelon plug seedling substrate, the organic wastes such as raw material is vermiculite, the alcohol natural pond slag of perlite, cripple, carbonization rice husk and process of becoming thoroughly decomposed by fermentation and coconut shell flour base-material; Alcohol natural pond slag fermentative processing with embodiment 1, but the alcohol natural pond slag fermentation material fermentative processing composting time be 30 days.
In raw material coconut shell flour base-material be import coconut palm brick add water carry out expansion process after the material that formed, the coefficient of expansion is 5.5, water content 45%, particle diameter 1-6mm; Cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm; Carbonization rice husk is the ashes that rice husk stays after burning carbonization; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas.
This substrate formula component is by volume: coconut shell flour base-material 25 parts, alcohol natural pond slag fermentation material 30 parts, carbonization rice husk 15 parts, cripple 0.5 part, perlite 10 parts, vermiculite 15 parts.
This matrix physicochemical character is: water content 45%, total porosity 70%, organic content 21.5%, N+P2O5+K2O total nutrient content 4.8%, particle diameter 2.5mm, unit weight 0.5g/cm3, and gas-water ratio is 1:3, EC value be 1.8mS/cm, pH is 6.8.
embodiment 4:
A kind of watermelon plug seedling substrate, raw material is vermiculite, perlite, cripple, carbonization rice husk and the organic waste such as the alcohol natural pond slag fermentation material processed by fermentation and coconut shell flour base-material; In raw material coconut shell flour base-material be import coconut palm brick add water carry out expansion process after the material that formed, the coefficient of expansion is 5.5, water content 45%, particle diameter 1-6mm; Cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm; Carbonization rice husk is the ashes that rice husk stays after burning carbonization; Alcohol natural pond slag is the tankage after cassava materials extracts alcohol, then produces through anaerobically fermenting the residue formed after biogas.
This substrate formula component is by volume: coconut shell flour base-material 26 parts, alcohol natural pond slag fermentation material 26 parts, carbonization rice husk 16 parts, cripple 2 parts, perlite 5 parts, vermiculite 25 parts.
The making method of a kind of watermelon plug seedling substrate of embodiment 4:
1) processing treatment of raw material
1. alcohol natural pond slag high temperature quick rotting agent is carried out abundant fermentation maturity process, be dried to water content 25-35%, be crushed to below particle diameter 3mm;
2. coconut palm brick is added water and carries out the coconut shell flour base-material that expansion process becomes moistening, the coefficient of expansion be 4-6 doubly, water content 40-50%, particle diameter 1-6mm;
3. by below the process to 20% of cripple water content, pulverize and sieve to 50 orders;
4. carbonization rice husk is pulverized and sieved to 50 orders;
2) mix and blend: by step 1.-step the alcohol natural pond slag fermentation material, coconut shell flour base-material, cripple and the carbonization rice husk that 4. obtain and perlite, vermiculite uniformly mix;
3) measure, adjustment physical and chemical index: to measure, the physical and chemical index of adjustment matrix, make water content, total porosity, unit weight, gas-water ratio, EC value, pH index meet desired value described in claim 2 or 7.
4) quantitative package: put in storage after the vegetable seedling substrate made quantitatively is loaded packaging bag enclosing, every bag of Intake Quantity 0.01-0.1m3.
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.
This matrix physicochemical character is: water content 45%, total porosity 70%, organic content 21.5%, N+P2O5+K2O total nutrient content 4.8%, particle diameter 2.5mm, unit weight 0.5g/cm3, and gas-water ratio is 1:3, EC value be 1.8mS/cm, pH is 6.8.
Zhenjiang, Jiangsu Xing Nong fertilizer company limited cooperates with Jingkou District, Zhengjiang City Vegetable Research Institute scientific research personnel, the watermelon plug seedling substrate of innovation and supporting watermelon hole plate seedling growth standardisation technique, apply on Zhenjiang, Jiangsu, Yangzhou and Shandong and other places, Jingkou District adds up popularizing area and reaches 10,000 mu.Compared with the nursery of conventional nutrient alms bowl, the watermelon plug seedling substrate nursery seedling rate adopting embodiment to prepare is high, and Miao Qimiao strengthens; Economize kind of an abridged edition, volume increase is efficient; Easy and simple to handle, be easy to promote; Watermelon seedling well developed root system, blade are healthy and strong, are convenient to transport, can realize concentrating for seedling.Watermelon plug seedling substrate prepared by embodiment and effect as follows:
1, variety of watermelon: No. 1, Soviet Union's honey.
2, material prepares: watermelon hole plate seedling growth generally adopts 48-54 hole to coil, cave dish specification 54cm × 28cm × 5.5cm; The watermelon hole plate seedling growth dedicated substrate that seedling medium selects Zhenjiang Xing Nong fertilizer company limited to produce.Every bag as substrate 50L, can fill cave dish 10 ~ 12 dish.1000 strain watermelon seedlings need about matrix 90L.
3, seedbed prepares: hole plate seedling growth seedbed will select that physical features is higher, leeward on the sunny side, irrigation and drainage are easily in booth.Carry and carry out nursery furrow or seedling culture frame the last week, furrow are wide has stayed bed base (slightly higher than ground) according to seedling growth greenhouse specification in seedling growth greenhouse central authorities, the wide 1.8 ~ 2.4m of general furrow, paving one deck mulch film after the leveling of furrow face.Heating wire can use routinely.1000 strain watermelon seedlings need seedbed area 3 ~ 4 ㎡.
4, presoaking and germinating: select fine day to be shone 1 ~ 2 day by seed before sowing.Seed disinfection can be scalded with the warm water of 55 ~ 60 DEG C and be planted about 15 minutes, scald when planting and will constantly stir, clean the mucus on seed coat with clear water after water temperature reduces naturally, put into clear water seed soaking 8 ~ 12 hours again, after seed soaking, seed is wrapped with wet cloth and be placed on vernalization under 30 DEG C of conditions, sowing during long 0.5 centimetre of bud.
5, sow: the 1. sowing time: the hole plate seedling growth sowing time can be more late than feeding block seedlings raising about 5 days.The cultivation ahead of time of Zhenjiang areas booth, can sow at the beginning of by the end of January by 2 months, can sowing in mid or late Febuary of middle canopy cultivation.2. medium in tray: first matrix is sprayed little water before sabot and mix thoroughly, regulates water content of substrate to 50% ~ 60%, and makes its bulk rear loading cave dish, scrapes off matrix unnecessary in card.3. water vola water and evenly water vola water, matrix is sunk naturally.Water and will keep flowing out cave dish under water and be advisable.4. the centre at cave dish will be beaten in punching hole, and the degree of depth is advisable with 1 centimetre.5. pendulum kind is chosen the long basically identical watermelon seed of bud and is kept flat the center of coiling aperture into cave, one, a cave, then builds floating by matrix, is fitly emitted on seedbed.Depth of planting is advisable with 1 ~ 1.3 centimetre, no more than 1.5 centimetres.Cross and simple and easyly cause seed belt cap; Cross dark, emerge late, melon seedling is of poor quality.Seed sets and covers one deck mulch film in time, in order to heat and moisture preserving.
6,1. seedbed management is thrown off mulch film in time and will be checked the growth of cereal crop seedlings in time in after planting 2 ~ 3 days, and when seed has unearthed about half, throw off mulch film in time, seedling is shown in, and light is afforested, and sees and has cotyledon " band cap " to be unearthed, and artificial " raising one's hat " in time.Take off film and easily form " high pin seedling " late.2. temperature and humidity management: before sowing to neat seedling, canopy temperature controls at 28 ~ 30 DEG C daytime, night hut adds a cover straw screen or mat and with electrothermal temp .-rising, keeps temperature 18 ~ 20 DEG C, heat and emerge.Qi Miaohou occurs to rough leaf, suitably ventilates, and reduce bed temperature, day temperature controls at 22 ~ 25 DEG C, and night can cover straw screen or mat, keeps temperature about 15 DEG C, prevents high pin seedling.After emerging, no power is heated in principle.Fine day ventilates must be timely, notes evening adding a cover coverture insulation.Before field planting, 4 ~ 5 days cooling hardenings, control, at 18 ~ 22 DEG C, to remain on 13 ~ 15 DEG C night daytime.Under the prerequisite ensureing temperature, should try one's best stronger ventilation amount and ventilation time, reduce canopy humidity, waters and should carry out noon by ground fair weather, water rear timely ventilation wet down.3. illumination management: seedling will allow it fully see light after being unearthed in time, as much as possible early will take off late lid whole seedling stage, allow the common light of rice shoot.Continuous rainy weather also will be thrown off straw screen or mat in time and see scattered light by rice shoot during rain stops.4. rich water quality management: after planting keeping matrix moistening is the key that Miao Qimiao is strong.Cave dish will maintenance level as far as possible when putting, and ensures plug media uniform moisture not ponding.Do not emerge yet as overlong time will check in time and keep the skin wet.To water in time according to water content of substrate situation after emerging, water in time when stromal surface is dry rarefaction, meet and overcast and rainyly suitably can reduce irrigation times.After emerging 2 weeks, suitably spray foliage fertilizer, suitably will control moisture simultaneously, promote rice shoot robust growth.
7, the prevention and control of plant diseases, pest control: substrate seedling is at less generation disease and pest in seedling stage, and various places nursery can according to seedling stage diseases and pests a situation arises in time medication control.Watermelon sprout term disease mainly contains samping off, damping-off, anthrax etc., and insect pest mainly contains aphid; Sprout term disease can oppose 800 times of liquid with seedling bacterium, 64% Sandofan, 500 times of liquid alternating spray are prevented and treated, aphid can prevent and treat with the 2000 times of liquid sprayings of 10% Provado.Spray medicine will be selected in fine day to carry out the morning.
8, lifting transport: matrix seedling well developed root system, can coil the root rope of forming consolidation, together can take out during lifting together with matrix, for the ease of lifting, can water in right amount the day before yesterday at lifting, with Special hole dish carrying case vanning transport.

Claims (8)

1. a watermelon plug seedling substrate, 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, carbonization rice husk 15-25 part, cripple 1-2 part, perlite 5-10 part, vermiculite 15-25 part;
Described coconut shell flour base-material be domestic or import coconut palm brick add water carry out expansion process after the moistening material that formed;
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 cripple is the material of methane-generating pit bottom settlings thing after drying grinding and processing, granularity 1-3mm;
Described carbonization rice husk is the ashes that rice husk stays after burning carbonization;
This matrix adopts following methods to make:
1) processing treatment of raw material:
1. alcohol natural pond slag high temperature quick rotting agent is carried out abundant fermentation maturity process, be dried to water content 25-35%, be crushed to below particle diameter 3mm;
2. coconut palm brick is added water and carries out the coconut shell flour base-material that expansion process becomes moistening, the coefficient of expansion be 4-6 doubly, water content 40-50%, particle diameter 1-6mm;
3. by below the process to 20% of cripple water content, pulverize and sieve to 50 orders;
4. carbonization rice husk is pulverized and sieved to 50 orders;
2) mix and blend: by step 1.-step the alcohol natural pond slag fermentation material, coconut shell flour base-material, cripple and the carbonization rice husk that 4. obtain and perlite, vermiculite uniformly mix;
3) measure, adjust physical and chemical index: the physical and chemical index measuring, adjust matrix, makes it meet following desired value: water content 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;
4) quantitative package: put in storage after the watermelon plug seedling substrate made quantitatively is loaded packaging bag enclosing, every bag of Intake Quantity 0.01-0.1m3.
2. a kind of watermelon plug seedling substrate according to claim 1, is characterized in that: described total nutrient is N+P 2o 5+ K 2o.
3. a kind of watermelon plug seedling substrate 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 15 parts, carbonization rice husk 25 parts, cripple 1 part, perlite 5 parts, vermiculite 24 parts.
4. a kind of watermelon plug seedling substrate according to claim 1, is characterized in that: this substrate formula volume ratio is: coconut shell flour base-material 15 parts, alcohol natural pond slag fermentation material 30 parts, carbonization rice husk 15 parts, cripple 2 parts, perlite 5 parts, vermiculite 24 parts.
5. a kind of watermelon plug seedling substrate according to claim 1, is characterized in that: this substrate formula volume ratio is: coconut shell flour base-material 26 parts, alcohol natural pond slag fermentation material 26 parts, carbonization rice husk 16 parts, cripple 2 parts, perlite 5 parts, vermiculite 25 parts.
6. a kind of watermelon plug seedling substrate 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.
7. watermelon plug seedling substrate according to claim 1, is characterized in that: the described alcohol natural pond slag fermentation maturity process composting time is 15-60 days.
8. watermelon plug seedling substrate according to claim 1, it is characterized in that: 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, 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.
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CN104973944A (en) * 2015-06-16 2015-10-14 柳州市绿州种植专业合作社 Corn plug seedling substrate
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