CN108056111A - A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof - Google Patents

A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof Download PDF

Info

Publication number
CN108056111A
CN108056111A CN201711341450.7A CN201711341450A CN108056111A CN 108056111 A CN108056111 A CN 108056111A CN 201711341450 A CN201711341450 A CN 201711341450A CN 108056111 A CN108056111 A CN 108056111A
Authority
CN
China
Prior art keywords
wheat
bacterial agent
microbial bacterial
promoted
microbial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711341450.7A
Other languages
Chinese (zh)
Inventor
徐洪伟
周晓馥
王艺璇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Normal University
Original Assignee
Jilin Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin Normal University filed Critical Jilin Normal University
Priority to CN201711341450.7A priority Critical patent/CN108056111A/en
Publication of CN108056111A publication Critical patent/CN108056111A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action

Abstract

The present invention relates to a kind of microbial bacterial agents that wheat nutrient is promoted to absorb and preparation method thereof, belong to microbial bacterial agent research and development field.The primary raw material that the microbial bacterial agent uses is Agrobacterium rhizogenesA4, R1205, R1000, R1601, R1022,15834 etc..Utilize agrobacterium rhizogenes, dodecyl sodium sulfate, urea, potassium fulvate, chitosan is configured to microbial bacterial agent by a certain percentage, applied to wheat planting, apply microbial inoculum once within every 10 days, since agrobacterium rhizogenes and wheat form a kind of symbiosis, it have stimulated the root growth of wheat and increase root absorption area, enhance the ability of wheat nutrient absorption, it has been chiefly to facilitate wheat N, the absorption of P, and then promote its growth development, greatly improve wheat quality, it agriculturally can be used for improving the quality of wheat and increasing its yield, there is huge economic benefit.

Description

A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof
Technical field
The present invention relates to a kind of microbial bacterial agents that wheat nutrient is promoted to absorb and preparation method thereof, belong to agricultural technology neck Domain.
Background technology
Wheat (Triticum aestivum L.) is grass family wheat platymiscium, is most important cereal crops in the world One of, it is the three big crops for being only second to rice and corn in China.Wheat is mostly extensive due to site preparation, sowing it is too shallow, root system compared with It is weak, wheat seedling growth is made not strengthen, tillering node is in dry ground, and in the case of soil freezing, root is not hygroscopic, and overground part still has Rising phenomenon makes wheat seeding be difficult to that internal water is maintained to balance, and be easy to cause arid death.Common Diseases have stripe rust of wheat, leaf Rust, head blight etc..However head blight has become one of important disease for influencing yield and quality of wheat, causes decreased production, Seriously affect Wheat Production safety and food security.It applies nitrogen and improves the generation that plant nitrogen concentration advantageously reduces head blight, increase Add crop yield.
Microbial bacterial agent be microorganism by production expand it is numerous after, utilize viable bacteria made of the zymotic fluid of adsorbent absorption thalline Preparation.This microbial inoculum has for seed dressing or root dipping and directly or indirectly improves soil, recover soil fertility, prevent soil-borne disease, maintain The effects that rhizosphere microflora balance and degradation poisonous and harmful substances.The appropriate use of agricultural microbial agent can improve agricultural product Yield improves quality of agricultural product, reduces fertilizer amount, reduce cost, improvement soil, preserve the ecological environment.
Agrobacterium rhizogenes (Agrobacterium rhizogenes) can induce the hairy root that plant generates, hairy root tool There is the features such as growth cycle, condition of culture are simple, stability is strong, purpose product content is high.The plant that agrobacterium rhizogenes induction generates Strain well developed root system, is conducive to the absorption of the minerals such as soil N P.Ri plasmids can induce conversion plant and generate a large amount of hair roots, promote Into plant establishment, flourishing root system is conducive to improve plant resistance to environment stress, improves crop survival rate.So it is prepared using agrobacterium rhizogenes Microbial inoculum is conducive to improve the nutrient absorption efficiency of wheat, further improves crop quality.
The content of the invention
It, should the object of the present invention is to provide a kind of microbial bacterial agent that wheat nutrient is promoted to absorb for above-mentioned phenomenon Microbial bacterial agent utilizes the distinctive effect for promoting plant root growth of agrobacterium rhizogenes, is absorbed so as to increase the nutrient of wheat, Wheat is solved in growth course since root system is undeveloped, quality is low caused by rootability is weak and the problem of low output, The present invention provides a kind of preparation methods for the microbial bacterial agent that wheat nutrient is promoted to absorb.
The present invention is realized by following technical scheme:
A kind of microbial bacterial agent that wheat nutrient is promoted to absorb, it is characterised in that:The microbial bacterial agent is by with the following group The raw material proportioning of part is made:
Strain contained by the agrobacterium rhizogenes liquid for common Agrobacterium rhizogenesA4, R1205, R1000, R1601, R1022, One or more of 15834, bacterial strain derives from Chinese microorganism strain collection;
The dodecyl sodium sulfate is that the place of production of content 70% on the market is the northern village board dodecyl sodium sulfonate in Nanjing Sodium;
The urea that it is on the market 99.9% by the content of Beijing Kang Puhui dimensions Science and Technology Ltd. production that the urea, which is,;
The potassium fulvate is the potassium fulvate of content >=70% by the production of Jinan Rong Guan Co., Ltds on the market;
The chitosan is that the active principle content produced on the market by hundred taste bio tech ltd of Hebei is 99.8% chitosan.
The agrobacterium rhizogenes bacterium solution is the Agrobacterium bacterium solution that OD values are 0.4-0.6.
The dodecyl sodium sulfate added in microbial inoculum is surfactant, can promote absorption of the plant root to microbial inoculum.
A kind of preparation process for the microbial bacterial agent that wheat nutrient is promoted to absorb is:
By agrobacterium rhizogenes strain A4, R1205, R1000, R1601, R1022, one or more of 15834 activation extremely OD values are 0.4-0.6, must take the bacterium solution after activation, and the bacterium solution 100ml after activation is separately added into dodecyl sodium sulfate 2g, urine Plain 40g, alginic acid 16g, chitosan 20g, mixing obtain microbial bacterial agent.
The present invention has following positive effect:
1st, the microorganism fungus kind that microbial bacterial agent of the present invention uses for agrobacterium rhizogenes strain A4, R1205, R1000, R1601, R1022, one or more of 15834, agrobacterium rhizogenes can generate symbiosis with crop root, make its adventitious root Growth is rapid, and induction plant generates hairy root, promotes the growth of wheat root, and by consolidating root system of plant, improving increases nutrient Absorbability has achieved the effect that improve crop quality.
2nd, microbial bacterial agent of the present invention use agrobacterium rhizogenes bacterium solution, the components such as urea, dodecyl sodium sulfate, have into The advantages of this is relatively low, easily obtains, and preparation method is simple, is readily put into production.
3rd, the preparation method of a kind of microbial bacterial agent that wheat nutrient is promoted to absorb using the present invention, solves wheat and exists In growth course due to root system it is undeveloped caused by nutrient content is low and the problem of low output, there is huge economic benefit.
Description of the drawings
Fig. 1 is at different number of days (10d, 20d, 30d), does not apply microbial inoculum wheat (control group) of the present invention and applies the present invention The nitrogen content variation diagram of microbial inoculum wheat (experimental group).
Specific embodiment
With reference to case study on implementation, the invention will be further described:
A kind of microbial bacterial agent that wheat nutrient is promoted to absorb, the microbial bacterial agent by following component raw material proportioning It is made:
Strain contained by the agrobacterium rhizogenes liquid for common Agrobacterium rhizogenesA4, R1205, R1000, R1601, R1022, One or more of 15834, bacterial strain derives from Chinese microorganism strain collection;
The dodecyl sodium sulfate is that the place of production of content 70% on the market is the northern village board dodecyl sodium sulfonate in Nanjing Sodium;
The urea that it is on the market 99.9% by the content of Beijing Kang Puhui dimensions Science and Technology Ltd. production that the urea, which is,;
The potassium fulvate is the potassium fulvate of content >=70% by the production of Jinan Rong Guan Co., Ltds on the market;
The chitosan is that the active principle content produced on the market by hundred taste bio tech ltd of Hebei is 99.8% chitosan.
The agrobacterium rhizogenes bacterium solution is the Agrobacterium bacterium solution that OD values are 0.4-0.6.
The dodecyl sodium sulfate added in microbial inoculum is surfactant, can promote absorption of the plant root to microbial inoculum.
The preparation process of the microbial bacterial agent is:
By agrobacterium rhizogenes strain A4, R1205, R1000, R1601, R1022, one or more of 15834 activation extremely OD values are 0.4-0.6, must take the bacterium solution after activation, and the bacterium solution 100ml after activation is separately added into dodecyl sodium sulfate 2g, urine Plain 40g, alginic acid 16g, chitosan 20g, mixing obtain microbial bacterial agent.
The application process that wheat nutrient is promoted to absorb
Microbial bacterial agent is imposed on into 5 centimetres of high wheat seedlings, every plant of about 50ml diluent (extension rate:20), every 10 It applies microbial inoculum once.There is the characteristics of apparent well developed root system, nutrient absorbability enhances in wheat plant developmental process.
Application of the microbial bacterial agent in Wheat Production based on agrobacterium rhizogenes
Wheat seed 100 on the market, are divided into control group and experimental group, control group does not apply fertilizer, experimental group by every 50 one group Fertilising, 5 centimetres of high wheat seedlings, every plant of about 50ml diluent (extension rate are imposed on by agrobacterium rhizogenes microbial inoculum:20), every 10 It applies microbial inoculum once, applies microbial inoculum altogether 3 times, observes and records Reducing sugar, the results are shown in table below for record:
The wheat plant growing state of different number of days
The result shows that the wheat for being applied with the microbial bacterial agent based on agrobacterium rhizogenes has substantially in developmental process Survival rate it is high, the characteristics of well developed root system, nutrient absorbability is strong, and growth is vigorous, and setting percentage is high, less applies the plant phase of microbial inoculum Than wheat quality and yield increase, result explanation, a kind of microbial bacterial agent based on agrobacterium rhizogenes of the invention The nutrient for promoting wheat absorbs, and improves its growth quality, there is important positive effect to agricultural production.
As shown in attached drawing 1:At different number of days (10d, 20d, 30d), do not apply microbial inoculum wheat (control group) of the present invention and apply The nitrogen content of microbial inoculum wheat (experimental group) of the present invention is added to change.
As shown in Table 1:At different number of days (10d, 20d, 30d), do not apply microbial inoculum wheat (control group) and application microbial inoculum is small Total root long, average root diameter, root surface area, root volume and the variation of tip of a root number of wheat (experimental group).
Table 1 applies influence of the microbial inoculum to growth of wheat roots
Table 1:At different number of days (10d, 20d, 30d), do not apply microbial inoculum wheat (control group) and apply the (experiment of microbial inoculum wheat Group) total root long, average root diameter, root surface area, root volume and the tip of a root number variation.
By kjeldahl apparatus and root scanner etc., the wheat plant for measuring application microbial inoculum less applies the wheat plant of microbial inoculum The variation of nitrogen content and the variation of root growth in the nutrient content of strain.The data obtained further illustrates, is applied with the small of microbial inoculum Wheat has stronger nutrient absorbability in developmental process, and rootability is strong, eugonic feature, the plant less applied fertilizer It compares, the quality of wheat increases.A kind of microbial bacterial agent based on agrobacterium rhizogenes of the invention promotes supporting for wheat Part absorbs, and improves the growth quality of wheat, there is important positive effect to agricultural production.

Claims (4)

1. a kind of microbial bacterial agent that wheat nutrient is promoted to absorb, which is characterized in that the microbial bacterial agent is by following component The raw material of proportioning is made:
Strain contained by the agrobacterium rhizogenes liquid for common Agrobacterium rhizogenesA4, R1205, R1000, R1601, R1022, One or more of 15834, strain derives from Chinese microorganism strain collection;
The dodecyl sodium sulfate is that the place of production of content 70% on the market is the northern village board dodecyl sodium sulfate in Nanjing;
The urea that it is on the market 99.9% by the content of Beijing Kang Puhui dimensions Science and Technology Ltd. production that the urea, which is,;
The potassium fulvate is the potassium fulvate of content >=70% by the production of Jinan Rong Guan Co., Ltds on the market;
The chitosan is that the active principle content produced on the market by hundred taste bio tech ltd of Hebei is 99.8% chitosan.
2. a kind of preparation method of microbial bacterial agent that wheat nutrient is promoted to absorb according to claim 1, feature exist In:The agrobacterium rhizogenes bacterium solution is the Agrobacterium bacterium solution that OD values are 0.4-0.6.
3. a kind of preparation method of microbial bacterial agent that wheat nutrient is promoted to absorb according to claim 1, feature exist In:The dodecyl sodium sulfate added in microbial inoculum is surfactant, can promote absorption of the plant root to microbial inoculum.
4. a kind of preparation method of microbial bacterial agent that wheat nutrient is promoted to absorb according to claim 1, feature exist In:Its preparation process is:
By agrobacterium rhizogenes strain A4, R1205, R1000, R1601, R1022, one or more of 15834 activation to OD values For 0.4-0.6, the bacterium solution after activation must be taken, the bacterium solution 100ml after activation is separately added into dodecyl sodium sulfate 2g, urea 40g, alginic acid 16g, chitosan 20g, mixing obtain microbial bacterial agent.
CN201711341450.7A 2017-12-14 2017-12-14 A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof Pending CN108056111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711341450.7A CN108056111A (en) 2017-12-14 2017-12-14 A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711341450.7A CN108056111A (en) 2017-12-14 2017-12-14 A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108056111A true CN108056111A (en) 2018-05-22

Family

ID=62138788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711341450.7A Pending CN108056111A (en) 2017-12-14 2017-12-14 A kind of microbial bacterial agent that wheat nutrient is promoted to absorb and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108056111A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101168759A (en) * 2007-10-18 2008-04-30 上海交通大学 Method for producing soybean isoflavone
CN101705243A (en) * 2009-11-13 2010-05-12 华南农业大学 Application of method for smearing and transforming agrobacterium rhizogene-mediated hypocotyl to soybean transformation
CN103081950A (en) * 2011-11-04 2013-05-08 天津绿动植物营养技术开发有限公司 Biological agent type rooting liquid
KR20130056585A (en) * 2011-11-22 2013-05-30 한국생명공학연구원 Plant growth promotion by using bacterial strains isolated from roots of miscanthus sacchariflorus
CN103183567A (en) * 2013-04-01 2013-07-03 张元宝 Liquid bacterial agent for rooting
KR101344983B1 (en) * 2004-06-01 2013-12-24 바이엘 크롭사이언스 아게 Water-based concentrated agricultural pesticide dispersions
CN107129358A (en) * 2017-05-11 2017-09-05 北京中农富源生物工程技术有限公司 A kind of complex microorganism preparations that crop root part can be promoted to develop

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101344983B1 (en) * 2004-06-01 2013-12-24 바이엘 크롭사이언스 아게 Water-based concentrated agricultural pesticide dispersions
CN101168759A (en) * 2007-10-18 2008-04-30 上海交通大学 Method for producing soybean isoflavone
CN101705243A (en) * 2009-11-13 2010-05-12 华南农业大学 Application of method for smearing and transforming agrobacterium rhizogene-mediated hypocotyl to soybean transformation
CN103081950A (en) * 2011-11-04 2013-05-08 天津绿动植物营养技术开发有限公司 Biological agent type rooting liquid
KR20130056585A (en) * 2011-11-22 2013-05-30 한국생명공학연구원 Plant growth promotion by using bacterial strains isolated from roots of miscanthus sacchariflorus
CN103183567A (en) * 2013-04-01 2013-07-03 张元宝 Liquid bacterial agent for rooting
CN107129358A (en) * 2017-05-11 2017-09-05 北京中农富源生物工程技术有限公司 A kind of complex microorganism preparations that crop root part can be promoted to develop

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
王成龙 等: "植物毛状根的诱导及应用", 《草业科学》 *
章春 等: "《土壤肥料应用与管理》", 30 June 2013, 合肥工业大学出版社 *
陶均 等: "发根农杆菌菌株的综合鉴定及活力比较", 《亚热带植物科学》 *

Similar Documents

Publication Publication Date Title
CN103910569B (en) One planting fruit-trees special bio fertilizer and preparation method thereof
CN105367335A (en) Biochar-based coast saline-alkali land improvement conditioner and preparation method and application thereof
CN104945191B (en) A kind of controlling measurements agent and preparation method for salt-soda soil
CN102030581B (en) Novel multi-functional biological organic seed dressing agent and method for preparing same
CN103086771B (en) Bioorganic fertilizer preparation method, bioorganic fertilizer and application of bioorganic fertilizer
CN105567245B (en) A kind of alkaline land soil health-care agent and preparation method thereof
CN103601597B (en) Humic acid compound fertilizer prepared by peat fermentation and preparation method thereof
CN103329720B (en) Application of trichoderma pseudokoningii SMF2 bacterial strains in plant growth promotion
CN104276882A (en) Combined fertilizer synergist containing polyglutamic acid, phosphate solubilizing bacteria and potassium bacteria and preparation method and application of combined fertilizer synergist
CN107580818B (en) A kind of integrated approach of soil conditioning and reparation
CN103772011B (en) The liquid bacterial manure of a kind of cereal special composite biological
CN104529632A (en) Liquid fertilizer for drip irrigation for saline and alkaline inland, and preparation method of liquid fertilizer
CN103787776A (en) Biological water flushing fertilizer and preparation method thereof
CN103250557B (en) Cultivation method of ginseng bagged health shiitake mushroom
CN103044157A (en) Amino acid guniting compound fertilizer and preparation method thereof
CN107667593A (en) Moderate saline-alkali soil soil ecology depth modification method
CN105994379B (en) Coating agent for seed based on actinomyces and preparation method thereof and coating method
CN104910920A (en) Tobacco stem charcoal soil conditioner of acidic tobacco planting soil, and processing method thereof
CN110373363A (en) A kind of concentration microbial inoculum of bacillusmusilaginosiengineering and its preparation method and application
CN105123206A (en) Method for planting paddies in saline-alkali soil
CN103910545B (en) Utilize pig manure discarded object to produce the method for Trichoderma harzianum bacterial manure
CN103708970B (en) Special compound biological fertilizer for tobacco
CN105198512B (en) A kind of method that double-microbial fermentation prepares gamma-polyglutamic acid organic fertilizer
CN108610182A (en) A kind of compound fertilizer and preparation method thereof with prophyiaxis and promoting growth function
CN101569284A (en) Preparation method of mycorrhizal tobacco seedling by taking sand as ground substance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination