CN1507769A - Substrate for cultivating vegetable - Google Patents
Substrate for cultivating vegetable Download PDFInfo
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- CN1507769A CN1507769A CNA021485941A CN02148594A CN1507769A CN 1507769 A CN1507769 A CN 1507769A CN A021485941 A CNA021485941 A CN A021485941A CN 02148594 A CN02148594 A CN 02148594A CN 1507769 A CN1507769 A CN 1507769A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The discarded Chinese medicinal material residue produced from production of Chinese patent drug Mailuoning is used and producing steps are: coarse pulverizing, adding dried Chinese medicine residue to regulate water content, then adding cellulolytic bacteria to make stacked fermentation, sieving, finally adding regulator A and B according to a certain ratio to obtain a matrix. Finally, in the said matrix a certain quantity of seedling fertilizer and feishite can be added. Said invention also provides its application method and its advantages.
Description
Technical field
The invention belongs to agriculture greengrocery, relate to vegetable seedling substrate and improve technical field.
Technical background
Along with the progress and the development of China's agricultural modernization, vegetables produce to be produced to the modern industrialization of scientific, intensification, commercialization and the marketization by traditional individual form and change.Become a sign of agricultural high-tech as the factorial seedling growth of vegetable seedling industrialization important component part.Seedling medium is an important component part of factorial seedling growth, it is the needs according to growth of seedling, utilize the formulated artificial soil of organic and inorganic material and microorganism formulation, that the used matrix of growing seedlings has is in light weight, the root system prehensile is good, is rich in characteristics such as nutrition, preserve moisture and fertility performance is strong.Matrix the earliest, commonly peat, vermiculite, perlite both at home and abroad.These three kinds of matrix sources are few, the cost of transportation height, and nutrient content is low, and stable in properties, and the supply of nutrient mainly by extra-nutrition liquid, is applied certain limitation.Along with the development of substrate seedling and substrate culture technology, various places made full use of local resources afterwards, reduced the matrix cost, and the scope of substrate source material constantly enlarges.At present, several seedling mediums commonly used both at home and abroad have: rock wool, vermiculite, the peat composed of rotten mosses, slag ash, the mushroom slag, perlite, fine sand, the charing rice chaff, wood sawdust, coconut husk, the reed end, dig slag, corncob, rice bran, cotton seed hulls, soybean curb residue and organic, the matrix that inorganic material and microorganism formulation are composite etc., in these base starting materials, process is a certain proportion of composite between them, can solve the physical behavior of matrix, a good growing environment is provided for rice shoot, but the nutrient that it contains is limited, the nutrient of self can not satisfy the demand of seedling growth, needs other extra-nutrition liquid.
By retrieval both at home and abroad about document, the result shows: domesticly utilize Chinese medicine slag class organic waste research has some reports as cultivation matrix, as university such as suburb, Wuzhou, Guangxi agricultural technique spread station, biology department of Anhui Normal University, Zhengzhou animal husbandry higher junior college bioengineering dept, Qujing, Yunnan health school and research unit many pieces of research papers reports are arranged.Suburb, Wuzhou, Guangxi agricultural technique spread station in 1998,1999 in plastic tunnel, adopt the organic ecological soilless culture technological innovation to produce pollution-free vegetable, its cultivation matrix is that Chinese medicine slag and river sand ratio are 2: 1, every square metre of matrix is sneaked into expanded chicken manure and each 5kg of peanut press pulp, Nitrogen, Phosphorus and Potassium 1kg, pH6.5-7.0.The organic ecological soilless culture that is just rising in Guangdong has been introduced by Guangzhou Huadu District science and technology office, it uses organic substrates such as sawdust, Chinese medicine slag, sugarcane, wood shavings, peat, mushroom slag, expanded chicken manure as cultivation matrix, owing to all use fertilizer to replace nutrient solution, only water clear water during irrigation, discharge the liquid environmentally safe.Zhengzhou Husbandry Engineering Higher Training School's bioengineering dept, biology department of Anhui Normal University, Qujing, Yunnan health school etc. utilize Chinese medicine slag to carry out cultivating white mushroom, Asparagus test as the raw material of edible mushroom.Do not see both at home and abroad and utilize the report of Chinese medicine slag class discarded object as seedling medium; Domestic some documents and materials reports that have that utilize local resources preparation vegetable seedling substrate, as the compound seedling medium of mentioning in gardening institute of Shandong Agricultural University (several compound seedling medium characteristics and the nursery effect on the romaine lettuce thereof) literary composition is to utilize local raw material matrix cheap and easy to get (raw material of indication is that wheat straw, corncob, peanut shell, soybean curb residue mix after pulverizing) here, a kind of biological organic fertilizer that undergoes microbial fermentation and process cooperates according to different ratio with vermiculite, slag ash, fine sand etc. and gets.The composite matrix content of organic matter is lower, and between 6-15%, available N, P, K total content are between 900-2700mg/kg greatly.The EC value is between 1.66-3.18ms/cm.Zhenjiang vegetable basket project company (the synthetic peat composed of rotten mosses) (organic substrate), it is to be primary raw material with the reed, add multiple microorganism and elite high-quality organic manure carries out high temperature fermentation reactor system, sterilization, after biological and physical method is handled, mix the stable filler of an amount of physicochemical character again and make, its main nutrient composition is nitrogenous 1.1%, about phosphorus 0.38%, potassium 0.4%-0.7%.The EC value is 1.35-1.5ms/cm.Utilize these substrate seedlings, can not solve the nutrient problem in the seedling raising process at all, essential extra-nutrition liquid in seedling raising process.The seedling medium that external factorial seedling growth uses at first is rock wool, and adhesive-bonded fabric supply nutrient solution is laid in the bottom.At present, external large-scale specialization is grown seedlings and is adopted the matrix formulations of twentieth century six the seventies mostly, as: the composite interstitial substance A and the B of Cornell Univ USA's development, the VC compost in California and the GCRI complex of Britain, the foreign scholar once studied with urban waste, river mud as seedling medium.Recent years, day the present invention a kind of special-purpose pot for growing seedlings piece seed can after directly broadcast in the alms bowl, covering matrix, be placed on the bed of growing seedlings, water squirts and gets final product.The material of alms bowl piece can be used rock wool, the peat composed of rotten mosses, coconut husk fermentation product etc.The nutrition supply of these matrix is mainly still by nutrient solution.Comprehensive institute's searching document both at home and abroad, (1) domestic report that Chinese medicine slag class discarded object is arranged as cultivation matrix, but do not see that the report of Chinese medicine slag class discarded object as seedling medium arranged; (2) do not see that the report of Chinese medicine slag class discarded object as seedling medium arranged abroad yet.(3) common issue with of domestic and international currently used matrix existence: the nutrient that contains in the matrix is limited, and the nutrient of self can not satisfy the demand of seedling growth, needs other extra-nutrition liquid, and certain technical difficulty is arranged in applying process.
Summary of the invention
It is limited for overcoming the nutrient that contains in the above-mentioned seedling medium that the present invention wants the technical solution problem, the nutrient of self can not satisfy the demand of seedling growth, need the defective of other extra-nutrition liquid, and the discarded Chinese medicine slag that utilizes the pharmaceutical factory of traditional Chinese medicine to produce Mailuoning is produced a kind of vegetable seedling substrate for raw material.
Vegetable seedling substrate technical scheme of the present invention is the directly coarse crushing of discarded Chinese medicine slag (moisture 75-85%) that will be the peaceful Chinese medicine of main material production arteries and veins arm with honeysuckle, radix scrophulariae, the stem of noble dendrobium, adding the dried Chinese medicine slag of pulverizing mixes thoroughly, regulate moisture to 68-72%, the bacterial classification that adds the fibre-bearing decomposer is then mixed thoroughly, do heap and carried out high-temperature aerobic fermentation 40～55 days, and turning 3-4 time, fermentation temperature can arrive 60-70 ℃, the C/N of Chinese medicine slag is lower, average out to 19.2, be easy to become thoroughly decomposed, need do not add nitrogenous high material or nitrogenous fertilizer.The back material of fermentation is pulverized again, promptly gets the seedling medium raw material behind the sieve of 0.5cm excessively.Again the seedling medium raw material is added instrumentality A and B, promptly get vegetable seedling substrate.Instrumentality A is a vermiculite, and instrumentality B is a magnetic soil, and adding proportion is: seedling medium raw material: A: B is 3: 0.5-0.7: 0.5-0.3; In vegetable seedling substrate, also add---2.5-5kg/m
3Seed manure, N, P, K ratio are in the seed manure: N: P
2O
5: K
2O is 1: 2.5: 1.5, and contains elements such as Ca, Mg, Zn, Fe, B.In vegetable seedling substrate, add 200-300 gram/rice again
3The special active matter of fertile scholar.Fertile scholar spy is a kind of bio-fertilizer based on actinomycetes.
The unit weight of the discarded Chinese medicine slag raw material of the Mailuoning that vegetable seedling substrate of the present invention uses is 0.18 gram/cm
3, low weight, the total pore space is 71.2%, and macrovoid is 24%, and air capacity of soils, water binding capacity are good; Content of organic matter height is 86%, and nitrogen, phosphorus, potassium nutrition enrich, full N, full P
2O
5, full K
2The O total nutrient reaches 5.094% (air dried basis meter), and available N is 230mg/kg, and available P is 324mg/kg, and quick-acting K are 10533mg/kg, and the currently used relatively light matrix of available nutrient content is also quite high.Its content of beary metal is after testing: plumbous (Pb) is 9.91mg/kg, chromium (Cr) is 14.61mg/kg, cadmium (Cd) is 0.097mg/kg, arsenic (As) is 0.429mg/kg, mercury (Hg) is 0.120mg/kg, all do not exceed standard, can not pollute environment and vegetables, these dregs of a decoction also have the characteristics of a maximum, it is balanced lasting to supply nutrient exactly, this is because the constituent of this class Chinese medicine slag is more special, its main component is a honeysuckle, radix scrophulariae, the stem of noble dendrobium, honeysuckle wherein, radix scrophulariae C/N is lower, more easily,, can very fast the gentle dissolubility nutrient of slightly solubility be transformed into available nutrient through the heap corruption of short-term by microbial decomposition, supply with rice shoot nutrient in early stage, pulverize after the heap corruption of short-term also is in half point to separate state mostly and contain the more stem of noble dendrobium of lignin, in seedling raising process, constantly decompose release, can supply with rice shoot later stage nutrient.Use vegetable seedling substrate of the present invention to compare, realize two innovations with other seedling mediums, 1, utilize Chinese medicine slag class organic waste to substitute conventional seedbed system matrix such as vermiculite, perlite, peat, realize the reasonable resources utilization; 2, problem is supported in the equilibrium that solves matrix effectively, solves the technological difficulties that common matrix need will be watered nutrient solution.
Vegetable seedling substrate physicochemical character index of the present invention is as follows:
| ??PH | The EC value | Organic | Full N | Full P 2O 5 | Full K 2O | Available N | Available P | Quick-acting K |
| ??ms/cm | ????％ | ??％ | ????％ | ????％ | ??mg/kg | ??mg/kg | ??mg/kg | |
| ??6.8- ??7.2 | ??3.0-3.4 | ??37-43 | ??1.75- ??1.95 | ??0.4-0.5 | ??1.9-2.1 | ??160-280 | ??180-220 | ??8100- ??8160 |
| Unit weight (g/cm 3) | Total pore space (%) | Macrovoid (%) |
| ????0.3-0.4 | ????65-70 | ????18-22 |
Vegetable seedling substrate of the present invention is compared with present seedling medium, content of organic matter height, total nutrient and available nutrient height, use this substrate seedling, in the whole growth process of rice shoot, only need keep the skin wet, do not need the liquid that supplements the nutrients, operation and easy, technology are easy to grasp, and can cultivate strong sprout.Two innovations have been realized.
Vegetable seedling substrate effect of the present invention:
The processing method in Chinese medicine slag past is with its sanitary landfills or burning, purchase incinerator and need invest 5,000,000 yuan, and the annual 2 ten thousand stere Chinese medicine slags of handling will have been spent nearly 500,000 yuan, such processing mode, to spend lot of manpower and material resources on the one hand, handling the bad pollution that also can cause environment, also is the significant wastage of resource on the other hand.Adopt Chinese medicine slag as light matrix primary raw material, solved the problem of environmental pollution of Chinese medicine slag effectively, realized the utilization again of resource; Use this substrate seedling, compare with common light substrate seedling, 1, seedling growing process and seedling equipment be simple and easy, easy to operate, cost is lower; 2, every performance indications of rice shoot are apparently higher than common light substrate seedling, and it is big to show as the rice shoot blade, and the leaf look dark green, and the underground part dry matter increases, and the complete stool dry matter increases, and photosynthetic capacity strengthens; 3, after the field planting, the plant growing way is good, and it is low to show as first female flower joint potential drop on melon, and leaf area increases, and shows as plant height, degree of development and leaf area and increase on solanberry class, leaf vegetables; 4, rice shoot carrying substrates field planting can increase soil organic matter content effectively, reduces applying quantity of chemical fertilizer, improves quality of vegetable, increases yield of vegetables, and mu units increased in production 15-30% deducts cost, and mu has a net increase of receives 100-200 unit, has favorable economic benefit and social benefit.
Embodiment
(1), the method for becoming thoroughly decomposed of Chinese medicine slag:
The wet Chinese medicine slag of discarded aquatic foods that water content is reached the production Mailuoning about 80% is directly pulverized, and---adding dried Chinese medicine slag (pulverizing is dried) adjusting moisture to water content is about 70%, and---bacterial classification such as EM bacterium of adding fibre-bearing decomposer---carries out aerobic fermentation.
Carry out two kinds of rotten modes of heap relatively: it is rotten 1. to do the heap heap; 2. the pack heap is rotten.
Test shows: a) pack heap is rotten: ventilation is good, more easily become thoroughly decomposed, but water evaporates is very fast, and becoming thoroughly decomposed needs moisturizing to regulate moisture 1-2 time midway, and when producing in a large number, pack is taken a lot of work, the cost increase.It is rotten to do heap heap: turning midway 3-4 time, become thoroughly decomposed effective and saving of labor, abridged edition, and large-scale production suits.B) rotten 15 days of heap and 30 days, Chinese medicine slag is greyish white shape, and putrefactive odor is arranged; Rotten about 45 days of heap, Chinese medicine slag is the sepia shape, and quality is loose, and no putrefactive odor reaches the standard of becoming thoroughly decomposed.C) Chinese medicine slag that will pile rotten 15 days, 45 days is crossed 0.5 centimetre of sieve, the analysis showed that through chemical property: rotten 45 days Chinese medicine slag of heap heap rotten 15 days pH value, organic matter slightly descends, and full P
2O
5, full K
2O and available N, P, K content improve by a relatively large margin.More slightly solubility and slowly available nutrient become available nutrient in the Chinese medicine slag, can satisfy the nutrient demand of rice shoot.All can produce certain influence with the Chinese medicine slag of rotten time of difference heap to germination rate, germination vigor and the seedling growth gesture of vegetable seeds.Pile the rotten times by 5 kinds of differences: 15 days, 30 days, 45 days, 60 days, heap corruption half a year, Chinese medicine slag substrate seedling comparative trial shows, piles 45 days Chinese medicine slag matrix of corruption, the seeding ratio height, regularity is good, and growth potential is prosperous.Heap is crossed 0.5 centimetre of sieve after rotten 45 days seedling medium raw material physicochemical character is:
| ??PH | The EC value | Organic | Full N | Full P 2O 5 | Full K 2O | Available N | Available P | Quick-acting K |
| ??ms/cm | ????％ | ??％ | ????％ | ????％ | ?Mg/kg | ??mg/kg | ??mg/kg | |
| ?7.1- ?7.3 | ?3.9-4.2 | ?70-76 | ?3.0- ?3.3 | ??0.6-0.7 | ??1.0-1.2 | ?65-85 | ?480-500 | ?15000- ?15050 |
| Unit weight (g/cm 3) | Total pore space (%) | Macrovoid (%) |
| ??0.18-0.21 | ??70-75 | ??20-25 |
(2), matrix formulations screening:
According to interrelated data, desirable vegetable seedling substrate physical behavior is: the neutral meta-acid of pH value (6.0-7.0), unit weight 0.4g/cm
3About, total porosity 60-80%, large and small hole ratio is moderate.According to Chinese medicine slag (unit weight 0.18g/cm
3, total porosity 71%, pH value 7.5), add a certain proportion of instrumentality A (vermiculite) and B (magnetic soil), regulate its porosity, unit weight, pH value, 9 prescriptions are set altogether, carry out the composition of raw materials screening.9 test recipes are set:
1) seedling medium raw material: A: B is 2: 0.25: 0.75;
2) seedling medium raw material: A: B is 2: 0.5: 0.5;
3) seedling medium raw material: A: B is 2: 0.75: 0.25;
4) seedling medium raw material: A: B is 3: 0.25: 0.75;
5) seedling medium raw material: A: B is 3: 0.5: 0.50;
6) seedling medium raw material: A: B is 3: 0.75: 0.25;
7) seedling medium raw material: A: B is 4: 0.25: 0.75;
8) seedling medium raw material: A: B is 4: 0.5: 0.5;
9) seedling medium raw material: A: B is 4: 0.75: 0.25.
Result of the test shows: the vegetable seedling substrate of prescription 5, unit weight 0.35g/cm
3, total pore space 66.5%, large and small hole ratio is moderate, PH7.10, every physical behavior index is all more moderate, and the cauliflower seedling that 5 vegetable seedling substrates of filling a prescription are cultivated, the capsicum seedling shows as the leaf look dark green, and leaf area is big, it is vigorous to grow, and preceding strain dry matter increases, and strong sprout, quantitative index was better than other prescription.The result thinks, adopt prescription 5 and nearby ratio (vegetable seedling substrate: A: B is 3: 0.5-0.7: 0.5-0.3) be optimum prescription.
The seedling medium raw material adds suitable A, B instrumentality, and the physical behavior of its vegetable seedling substrate is:
| Unit weight (g/cm 3) | Total pore space (%) | Macrovoid (%) |
| ????0.3-0.4 | ????65-70 | ????18-22 |
(3), according to contained nutrient in the nutrient uptake feature of vegetable seedling and the vegetable seedling substrate, the ratio of regulating all kinds of nutritive elements is mixed with seed manure, (N: P
2O
5: K
2O is 1: 2.5: 1.5 and contains elements such as Ca, Mg, Zn, Fe, B) seed manure is provided with 7 consumption levels, i.e. 0kg/m
3, 1kg/m
3, 2kg/m
3, 3kg/m
3, 4kg/m
3, 5kg/m
3, 6kg/m
3Select the representative kind of all kinds of vegetables, carry out the test of seed manure consumption, result of the test shows: the fertile consumption of all kinds of vegetable seedlings is 3kg/m
3-5kg/m
3Be advisable.
(4), in order to make the rice shoot well developed root system, the seedling growth stalwartness, add a certain amount of active matter, select the active matter of multiple comparative maturity, as rooting promoter and Fei Shite, some consumptions are set carry out active matter screening and consumption test, result of the test shows: (Fei Shite is a kind of bio-fertilizer based on actinomycetes to select Fei Shite for use, have certain phosphorus decomposing, potassium decomposing effect, and can produce growth-stimulating factors such as auximone heteroauxin, the basic element of cell division, and having to promote extraneous root, the effect in strong sprout) consumption is 200-300g/m
3Effect is better.
Through test, the Chinese medicine slag that the vegetable seedling substrate of developing is handled well for processing is that seedling medium raw material: A: B is 3: 0.7-0.5: 0.3-0.5, add the 3-5kg seed manure in every cubic metre of matrix, add special composite the forming of the fertile scholar of 200-300g again, after measured, make vegetable seedling substrate quality standard of the present invention, the chemical property index of vegetable seedling substrate is: pH6.8-7.2, and EC value 3.0-3.4ms/cm, the content of organic matter is 37-43%, full N is 1.75-1.95%, full P
2O
5Be 0.4-0.5%, full K
2O is 1.9-2.1%, and available N is 160-200mg/kg, and available P is 180-220mg/kg, and quick-acting K are 8100-8160mg/kg, unit weight 0.3-0.4g/cm
3, total pore space 65-70%, macrovoid 18-22%.
Vegetable seedling substrate physicochemical character of the present invention is good, and air capacity of soils, preserve moisture and fertility are good, has balanced keeping ability, can satisfy the nutrient demand of rice shoot whole growing, only need water in seedling raising process, liquid never need supplement the nutrients, operate simple and easyly, technology is easily grasped.Use this substrate seedling, rice shoot every strong sprout index apparently higher than common light substrate seedling, it is big to show as the rice shoot blade, the leaf look dark green, the underground part dry matter increases, the complete stool dry matter increases, and photosynthetic capacity strengthens, after the field planting, the plant growing way is good, it is low to show as first female flower joint potential drop on melon, and leaf area increases, and shows as plant height, degree of development and leaf area and increase on solanberry class, leaf vegetables.And the field planting of rice shoot carrying substrates, can increase soil organic matter content effectively, reduce applying quantity of chemical fertilizer, improve quality of vegetable, increase yield of vegetables, effect of increasing production the solanberry class, melon on relatively significantly, mu volume increase 25-30%.Mu volume increase 10-15% on leaf vegetables.
Claims (3)
1, a kind of vegetable seedling substrate is characterized in that production process and process conditions are:
Production process: the dried Chinese medicine slag of producing the direct coarse crushing of discarded Chinese medicine slag-adding pulverizing of Mailuoning Chinese medicine is mixed accent thoroughly
The bacterial classification of water saving part-addings fibre-bearing decomposer mix thoroughly-is done ferment also turning-after 0.5 li of heap
Promptly get seedling medium raw material-add instrumentality A again behind the sieve of rice and B promptly gets vegetable seedling substrate;
Process conditions: the moisture 75-85% of discarded Chinese medicine slag that produces Mailuoning Chinese medicine;
The dried Chinese medicine slag of add pulverizing is mixed thoroughly and is regulated moisture 68-72% behind the moisture content;
Do heap fermentation and turning: did the heap fermentation time 40～55 days, wherein turning is 3～4 times;
Add instrumentality A and B component ratio:
Seedling medium raw material: A-vermiculite: B-magnetic soil is 3: 0.5～0.7: 0.5～0.3.
2,, it is characterized in that vegetable seedling substrate also adds 2.5-5 kilogram/rice according to the described vegetable seedling substrate of claim 1
3Contain N: P
2O
5: K
2O is 1: 2.5: 1.5 seed manure ratio and that contain Ca, Mg, Zn, Fe, B element.
3,, it is characterized in that vegetable seedling substrate also adds 200-300 gram/rice according to claim 1,2 described vegetable seedling substrates
3The special active matter of fertile scholar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021485941A CN1244265C (en) | 2002-12-20 | 2002-12-20 | Substrate for cultivating vegetable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021485941A CN1244265C (en) | 2002-12-20 | 2002-12-20 | Substrate for cultivating vegetable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1507769A true CN1507769A (en) | 2004-06-30 |
| CN1244265C CN1244265C (en) | 2006-03-08 |
Family
ID=34233218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021485941A Expired - Fee Related CN1244265C (en) | 2002-12-20 | 2002-12-20 | Substrate for cultivating vegetable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1244265C (en) |
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|---|---|---|---|---|
| CN101220562B (en) * | 2007-11-23 | 2010-06-09 | 东华大学 | Chinese medicine slag filling non woven composite material and preparation thereof |
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| CN102399096A (en) * | 2010-09-17 | 2012-04-04 | 山东安绿肥业有限公司 | Method of producing organic fertilizer by using Chinese herb residue |
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2002
- 2002-12-20 CN CNB021485941A patent/CN1244265C/en not_active Expired - Fee Related
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