CN103739320B - A kind of Novel micro-ecological fertilizer - Google Patents
A kind of Novel micro-ecological fertilizer Download PDFInfo
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- CN103739320B CN103739320B CN201310743518.XA CN201310743518A CN103739320B CN 103739320 B CN103739320 B CN 103739320B CN 201310743518 A CN201310743518 A CN 201310743518A CN 103739320 B CN103739320 B CN 103739320B
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 38
- 241000228245 Aspergillus niger Species 0.000 claims abstract description 32
- 241000186660 Lactobacillus Species 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 229940039696 lactobacillus Drugs 0.000 claims abstract description 13
- 244000063299 Bacillus subtilis Species 0.000 claims description 5
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 5
- 240000006024 Lactobacillus plantarum Species 0.000 claims 1
- 235000013965 Lactobacillus plantarum Nutrition 0.000 claims 1
- 229940072205 lactobacillus plantarum Drugs 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 235000015097 nutrients Nutrition 0.000 abstract description 3
- 241000238631 Hexapoda Species 0.000 abstract description 2
- 241000607479 Yersinia pestis Species 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 235000013348 organic food Nutrition 0.000 abstract description 2
- 108090000790 Enzymes Proteins 0.000 description 23
- 102000004190 Enzymes Human genes 0.000 description 23
- 230000001580 bacterial effect Effects 0.000 description 23
- 229940088598 enzyme Drugs 0.000 description 23
- 241000894006 Bacteria Species 0.000 description 19
- 230000000694 effects Effects 0.000 description 18
- 239000007788 liquid Substances 0.000 description 14
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- 239000002609 medium Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000002054 inoculum Substances 0.000 description 9
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- 239000000243 solution Substances 0.000 description 8
- 108010059892 Cellulase Proteins 0.000 description 7
- 229940106157 cellulase Drugs 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
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- 238000012216 screening Methods 0.000 description 7
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- 238000012360 testing method Methods 0.000 description 7
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- -1 Endo-β-glucanase Proteins 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
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- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- 244000153158 Ammi visnaga Species 0.000 description 1
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- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- KIWBPDUYBMNFTB-UHFFFAOYSA-N Ethyl hydrogen sulfate Chemical compound CCOS(O)(=O)=O KIWBPDUYBMNFTB-UHFFFAOYSA-N 0.000 description 1
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- 244000068988 Glycine max Species 0.000 description 1
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- 241000237502 Ostreidae Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
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- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
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Abstract
The present invention discloses a kind of Novel micro-ecological fertilizer, belong to agricultural fertilizer technical field, the parts by weight of described fertilizer consist of: the parts by weight of fertilizer consist of: subtilis culture 20-28, aspergillus niger culture 15-25, plant lactobacillus agent 8-15 part.Fertilizer nutrient of the present invention is enriched, and organic content is high, can meet the need of production of Organic food; Fertilizer of the present invention is formed by compound microorganism ferments, can improve the micro-ecological environment of soil, for the growth of farm crop provides beneficial conditions, can also strengthen the diseases and insect pests resistance of crop.
Description
Technical field
The present invention relates to a kind of fertilizer, belong to agricultural fertilizer technical field.
Background technology
Whether beneficial microorganism kind in microbial fertilizer, vital movement vigorous is the basis of its validity, and unlike other fertilizer be by the form of the principal elements such as nitrogen, phosphorus, potassium and how many based on.Just because of microbial fertilizer is preparation of living, thus its fertilizer efficiency and number of viable, intensity and ambient environmental conditions closely related, comprise temperature, moisture, potential of hydrogen, nutritional condition and formerly live in indigenous microorganism repulsive interaction in soil and have certain influence.
A kind of Aspergillus niger strain of Chinese patent and the application in solid-state fermentation of pectase is produced thereof; application number: 200410006199.5; this invention relates to a kind of Aspergillus niger strain and the application in solid state fermentation is produced thereof, and its Aspergillus niger strain is CGMCC.NO.1100 at the deposit number at China Committee for Culture Collection of Microorganisms's common micro-organisms center; The nutrition source that microorganism strains of the present invention can be used for cultivating in the solid state fermentation production of polygalacturonase aspergillus niger F02 bacterial strain of the present invention (Aspergillus niger F02) has carbon source, nitrogenous source, inorganic salt and trace nutrient; Adopt the bacterial strain raw materials for production of the present invention mainly agricultural byproducts such as wheat bran, rice bran and flour, thus less investment, easy to operate; Calculate with unit volume, the vigor of solid state fermentation polygalacturonase than liquid state fermentation height 5-6 doubly.
Microorganism fertilizer body level is not high, technological innovation is not enough, quality product and effect show understable problem.Today of human consensus has been become, " bottleneck " that these problems have become microorganism fertilizer industry letter to be got through at agricultural sustainable development.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Novel micro-ecological fertilizer:
The parts by weight of fertilizer consist of: subtilis culture 20-28, aspergillus niger culture 15-25, plant lactobacillus agent 8-15 part.
Described subtilis culture preparation: cultivate subtilis from inclined-plane switching, seed liquor after spreading cultivation step by step is transferred in fermentor tank, and the complete fermented liquid that ferments obtains the culture containing bacillus subtilis microbial agent and zymin after Plate Filtration, drying.
The preparation method of plant lactobacillus agent: from inclined-plane switching culturing plants Bacterium lacticum, the seed liquor after spreading cultivation step by step is transferred in fermentor tank, and the complete fermentation liquor low-temperature negative-pressure that ferments is concentrated in vacuo to 45% of original volume, obtains bacterium concentrated solution.Add carrier: in concentrated solution, add the carrier mixed, mix; The weight ratio of concentrated solution and carrier is 0.5:1, and vehicle group becomes: CaCO
320-23 part, dextrin 10-12 part.Fluidised bed drying, drying temperature 50 DEG C.
Prepared by aspergillus niger culture: spawn culture, and solid fermentation is cultivated: spore liquid is inoculated in solid state fermentation culture material, and 26-33 DEG C is cultured to mycelia and covers with culture material, and low temperature fluidized bed dry, pulverize dry thing; Common solid state fermentation is adopted to prepare.
This product using method is simple, every mu of ground usage quantity 0.3-1 kilogram, and cost is only 80-100 unit/mu, and seed dressing or front earth's surface of pouring water vegetative period are sprayed.
Beneficial effect
Fertilizer nutrient of the present invention is enriched, and organic content is high.The need of production of Organic food can be met.
Fertilizer of the present invention is formed by compound microorganism ferments, can improve the micro-ecological environment of soil, for the growth of farm crop provides beneficial conditions.
Fertilizer of the present invention can strengthen the diseases and insect pests resistance of crop.
Fertilizer of the present invention can improve soil.In fertilizer, beneficial microorganism can produce glucide, account for 0.1% of the soil organism, with plant mucilage, mineral idiosome and organic colloid combine, soil aggregate can be improved, strengthen the physicals of soil and reduce the loss of soil particle, under certain conditions, soil ulmin can also be participated in and formed.So use microbial fertilizer can improve soil physical property, be conducive to increasing soil fertility.
Embodiment:
Unless stated otherwise, technique means used in the present invention is method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, but not limits the scope of the invention, and the spirit and scope of the invention only limited by claims.To those skilled in the art, under the prerequisite not deviating from essence of the present invention and scope, the various change carry out the reaction conditions in these embodiments, separation and Extraction condition or change also belong to protection scope of the present invention.
The following examples can make the present invention of those skilled in the art comprehend, but do not limit the present invention in any way.
Subtilis provided by the invention (Bacillus subtilis) Li-2013-02.This bacterial strain is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center (be called for short CGMCC, address is: No. 3, No. 1, North Star West Road, Chaoyang District, city of BeiJing, China institute) on July 15th, 2013, and preserving number is CGMCCNo.7926.
Described bacterial strain feature is as follows:
Described bacterial strain colony colour on solid plate is oyster white, and surface drying is opaque, neat in edge, for having the aerobic bacteria of mobility.Microscopy is elongated rod shape, and gramstaining is positive.This bacterium can utilize Citrate trianion, and nitrate reductase, V-P test into the positive.
Described subtilis (Bacillus subtilis) Li-2013-02 is preserved in the product Thermostable α-Amylase in Tianjin University of Technology laboratory subtilis Li-2013 by a strain obtains through UV-LiCl-ethyl sulfate Mutation screening, and concrete screening step is as follows:
(1) preparation of bacteria suspension
The mono-bacterium colony of Li-2013 grown after plate streaking is separated is accessed in seed culture medium, 100r/min, after 40 DEG C of cultivation 12h, after getting 1mL medium centrifugal, use brine twice, and resuspended with 9mL physiological saline.
(2) UV-LiCl-ethyl sulfate complex mutation
Bacteria suspension is placed in aseptic flat board, is 30cm in distance, stirs and irradiate 100s under the ultraviolet lamp of power 15w.Bacterium liquid through irradiating is coated lithium chloride flat board after gradient dilution, and contrasts to be coated with flat board without the bacterium liquid dilution of uv irradiating.Above-mentioned coating is dull and stereotyped uniformly, wrap with the cloth of black or newspaper, put 40 DEG C and cultivate 48h, the flat board growing bacterium colony filters out hydrolysis circle choose preserve to inclined-plane with colony diameter ratio the maximum, bacteria suspension is mixed with after purifying, fully mix with ethyl sulfate stoste after gradient dilution, and in 40 DEG C of concussion process 40min, the bacterium liquid processed is coated lithium chloride flat board after gradient dilution.
(3) primary dcreening operation of high-yield strains
Above-mentioned coating is dull and stereotyped uniformly, and put 40 DEG C and cultivate 48h, on the flat board growing bacterium colony, primary dcreening operation goes out hydrolysis circle and chooses preserve to inclined-plane with colony diameter ratio the greater, obtains three strain bacterium Li-2013-01, Li-2013-02, Li-2013-03 after purifying
(4) shake flask fermentation sieves again
By the three strain bacterium Li-2013-01 obtained, Li-2013-02, Li-2013-03 carry out shake flask fermentation in the 250mL shaking flask containing 30mL fermention medium, seed inoculum size 10% (V/V), 40 DEG C, 100r/min cultivates 72h, centrifuging and taking fermented supernatant fluid obtains crude enzyme liquid.
(5) enzyme activity determination
The definition of Mei Huo unit: 1mL crude enzyme liquid, in 105 DEG C, under pH4.2 condition, 1min liquefies 1mg Zulkovsky starch,
Be 1 enzyme activity unit, represent with U/mL.
After measured, bacterial strain Li-2013-02 is stable most superior strain, and enzyme is lived and reached 30000U/mL, to live raising 1.6 times than original strain enzyme.
Described lithium chloride is dull and stereotyped: starch 1%, peptone 1%, (NH)
2sO
40.4%, K
2hPO
40.8%, CaCl
20.2%, lithium chloride 0.9%, agar 2%.
Described seed culture medium: yeast powder 0.5%, peptone 1%, Zulkovsky starch 1%, NaCl1%.
Described fermention medium: Semen Maydis powder 5% ~ 15%, soybean cake powder 4% ~ 10%, (NH) 2SO40.4%, K2HPO40.8%, CaCl20.2%.
Described shake flask culture conditions: this bacterium in the 250mL shaking flask containing 30mL fermention medium, inoculum size 10% (V/V), 100r/min, 40 DEG C of fermentation culture 72h.
Fermented by bacterial strain Li-2013-02 and obtain a kind of high-temperature resistant alpha-amylase, its zymologic property is as follows:
(1) this enzyme thermal adaptation a wider range, optimum temperature is between 105-115 DEG C, and the temperature stability of preserving below 110 DEG C is better, and more than 115 DEG C to preserve long-time temperature stability poor.
(2) this enzyme optimal reaction pH value is 4.2.High enzyme vigor is all had, the enzyme complete stability alive when pH value is 3.0 between pH value 3.0-7.0.
(3) enzymic activity: by mutant strain Li-2013-02 provided by the present invention, the Thermostable α-Amylase enzyme activity of preparation is 30000-35000U/ml.
1, the present invention uses the method for UV-LiCl-ethyl sulfate complex mutation to obtain the subtilis Li-2013-02 of a plant height product Thermostable α-Amylase, and this bacterial strain has acidproof, thermotolerance by force, produces the feature that enzyme activity is high.
2, this bacterial strain is had to produce the Thermostable α-Amylase enzyme activity of gained up to 30000-35000u/ml; Applicable temperature scope is 25-115 DEG C, optimal reactive temperature 110 DEG C, at 110 DEG C of enzymes complete stability alive; Being suitable for pH value in reaction scope is 3.0-7.0, the enzyme complete stability alive when pH value is 3.0, optimal reaction pH value is 4.2, higher than existing Thermostable α-Amylase enzyme activity, enzyme effect optimum pH wide scope, resistance to temperature is high, is particularly suitable for that temperature of reaction is high, liquefaction process and Mashing process the industrialization demand of depositing.
Aspergillus niger Aspergillus niger Li-2013-03 provided by the invention takes turns mutagenesis screening by the aspergillus niger Aspergillus niger Li-2010 of a strain cellulase-producing of Tianjin University of Technology's Laboratories Accession through nitrosoguanidine more, then obtains through leavening property test screen the Aspergillus niger strain Aspergillus niger Li-2013-03 producing high activity cellulase to strain excellent.
The bacterial strain of the high activity cellulase of product provided by the invention is specially aspergillus niger Aspergillus nigerLi-2013-03.This bacterial strain is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center on July 15th, 2013 and (is called for short CGMCC, address is: No. 3, No. 1, North Star West Road, Chaoyang District, city of BeiJing, China institute, postcode 100101), preserving number is CGMCC NO.7927.
Aspergillus niger strain Aspergillus niger Li-2013-03 (CGMCC No.7927) of the present invention has following microbial characteristic:
1, morphological feature:
Aspergillus niger strain CGMCC No.7927, biology morphology is for comprising conidium, born of the same parents' stalk, top capsule, producing several parts such as born of the same parents' structure.Conidial head is spherical to Radiation, and diameter 150-450 μm, conidiophore betides matrix.Born of the same parents obstruct stem 1000-3000 (length) × 12-20 (diameter) μm, yellow or tawny, and wall is level and smooth; Spherical or the almost spherical of top capsule, diameter 45-75 μm, surface can be educated comprehensively; Produce born of the same parents' structure double-deck, metulae 10-20 (length) × 4.5-7.0 (diameter) μm, bottle stalk 6-10 (length) × 2.5-3.5 (diameter) μm; conidium is spherical or subsphaeroidal; diameter 3-4.5 μm, brown, wall is coarse.
2, feature is cultivated:
Bacterial strain grows rapidly on wort agar substratum, and 28 DEG C of 4 days spores can be paved with inclined-plane; Quality velvet shape or be slightly with cotton-shaped; Conidium structure is a large amount of, and brown-black, without transudate; Bacterium colony reverse side yellowish.
3, physiological and biochemical property:
Aspergillus niger strain CGMCC No.7927 can grow in the carbon sources such as maize straw, straw, wood chip, potato, Semen Maydis powder, Zulkovsky starch, molasses, optimal pH scope 5-6, optimum growth temperature scope 28-33 DEG C, the suitableeest product enzyme temperature range 28-30 DEG C.
The triage techniques route of Aspergillus niger strain CGMCC No.7927 of the present invention is: the preparation → mutagenic treatment → plate isolation → primary dcreening operation → multiple sieve → genetic stability of starting strain → slant culture → spore suspension measures → expand experiment (leavening property mensuration).
By mutagenesis screening scheme, mutant strain step-sizing is eliminated, finally to strain excellent through leavening property test screen, obtain a plant height and produce enzyme performance bacterial strain black-koji mould Aspergillus niger Li-2013-03, the circumscribed beta-glucanase of the cellulase after 96 hours of fermenting, Endo-β-glucanase, beta-glucosidase and filter paper enzyme activity reach 620U/mL, 1289U/mL, 456U/mL and 732U/mL respectively.
28 DEG C of fermentations, 4 days diameter 75mm, fermented liquid cellulase circumscribed beta-glucanase, Endo-β-glucanase, beta-glucosidase and filter paper enzyme activity reach 620U/mL, 1289U/mL, 456U/mL and 732U/mL respectively, improve 9.21 times, 7.43 times, 8.15 times and 10.31 times than starting strain respectively.
Produce the screening method of high activity cellulase bacterial strain, comprise the following steps:
1) slant culture: by original Aspergillus niger strain Aspergillus niger Li-2010 streak inoculation slant medium, 30 DEG C cultivate 2 ~ 3d, until mycelium ripe, produce a large amount of black spore.Described slant medium is composed as follows: 12OBrix wort l000mL, pH value nature, 121 DEG C of sterilizing 20min;
2) spore suspension preparation (following steps all aseptically operate): add 15mL sterilized water to test tube slant, spore is scraped, with filter paper filtering, filtered solution poured into sterilizing and be added with in the 150mL triangular flask of 5-10 grain sterile glass beads, triangular flask is put into shaking table vibration 10-15min, spore is disperseed.
3) nitrosoguanidine (NTG) mutagenesis
A. with sterilized water spore suspension is adjusted to and is diluted to 106-107/mL.
B. get 10mL bacteria suspension to be transferred in 100mL triangular flask, add the NTG of 10mg, be mixed with the NTG solution that final concentration is 10mg/mL, and add 4-5 and drip acetone, be beneficial to NTG and dissolve.
C. at 30 DEG C, the centrifugal 10min of 200rpm oscillatory reaction 30min, 5000rpm collects thalline, with stroke-physiological saline solution washing several, and stopped reaction.
D. suitably spore concentration is adjusted to 103/mL by dilution, and get last dilution bacterium liquid 0.2mL, dilution spread is on Mierocrystalline cellulose-Congo red plate screening substratum.The bacterial strain 200 that after cultivating 2 ~ 3 days at 30 DEG C, picking transparent circle/colony diameter is larger.(described Mierocrystalline cellulose-Congo red plate screening substratum is composed as follows: cellulose powder 10g, Congo red 0.2g, ammonium sulfate 5g, magnesium sulfate 0.25g, potassium primary phosphate 1g, sodium-chlor 0.1g, gelatin 2g, agar 20g, tap water constant volume 1000mL, pH value 5-6,121 DEG C of sterilizing 20min).
E. sieve again: the 200 strain bacterium obtained are inoculated in slant medium with sterile toothpick respectively, and 30 DEG C are cultured to spore and are paved with inclined-plane.Respectively spore is equipped with 50mL and sieves again in the 250mL triangular flask of substratum ferment to be inoculated under aseptic washing, inoculum size 10%(v/v), 30 DEG C, 100r/min cultivates 96h, measures the cellulase activity of each bacterial strain respectively.(the described substratum of sieve is again composed as follows: cellulose powder 50g, ammonium sulfate 5g, magnesium sulfate 0.25g, potassium primary phosphate 1g, sodium-chlor 0.1g, tap water constant volume 1000mL, pH value 5-6,121 DEG C of sterilizing 20min).The bacterial strain choosing cellulose enzyme vigor the highest carries out amplification test.
4) genetic stability test
Li-2013-03 bacterial strain is gone down to posterity for continuous ten times on inclined-plane, and detects the fermentation situation after at every turn going down to posterity by the method that shaking flask is sieved again.Experiment finds, inclined-plane goes down to posterity for continuous ten times, and this bacterial classification proterties does not have considerable change, and property indices is all normal, illustrates that the genetic stability of this bacterial classification is stronger.
5) scale-up
(1) seed culture: strains A spergillus nigerLi-2013-03 the highest for cellulose enzyme vigor is accessed in 500mL triangular flask, seed culture medium loading amount 100 milliliters, 30 DEG C, 150rpm shaking table cultivation 72-96h.
(2) seed tank culture: by seed liquor with 10%(v/v) inoculum size access be equipped with in the 10L fermentor tank of 7.5L fermented liquid, control ph is constant is 6.0 ± 0.2, culture temperature 30 ± 0.1 DEG C, stirring velocity 300rpm, ventilation (v/v) 1:0.8-1.2, incubation time 96h, dissolved oxygen 20-30%.Described fermention medium consists of: cellulose powder 100g, ammonium sulfate 5g, magnesium sulfate 0.25g, potassium primary phosphate 1g, sodium-chlor 0.1g, tap water constant volume 1000mL, pH value 5-6,121 DEG C of sterilizing 20min.
After fermentation ends, get fermented supernatant fluid (crude enzyme liquid) and carry out enzyme activity detection after measured, the circumscribed beta-glucanase of strains A spergillus niger Li-2013-03, Endo-β-glucanase, beta-glucosidase and filter paper enzyme activity reach 620U/mL, 1289U/mL, 456U/mL and 732U/mL respectively, improve 9.21 times, 7.43 times, 8.15 times and 10.31 times respectively than starting strain Aspergillus niger Li-2010.
Embodiment 1
A kind of composite fertilizer, parts by weight consist of: the parts by weight of fertilizer consist of: subtilis culture 24, aspergillus niger culture 18, plant lactobacillus agent 12 parts.
The preparation method of subtilis culture:
1. the acquisition of fermented liquid: adopt slant strains to spread cultivation step by step and obtain fermentation of bacillus subtilis liquid;
(1) first order seed is cultivated: subtilis slant strains accessed in 500 ml shake flasks, substratum loading amount 100 milliliters, rotary shaker 180 revs/min, culture temperature 35 DEG C, incubation time 24 hours;
(2) secondary seed cultivate: by first order seed according to 10% inoculum size access in 500 milliliters of secondary seed shaking flasks, culture condition is identical with first order seed;
(3) three grades of seed culture: secondary seed is accessed in 5000 milliliters of three grades of seed flask with 10% inoculum size, substratum loading amount 1000 milliliters, rotary shaker 100 revs/min, culture temperature 35 DEG C, incubation time 24 hours;
(4) first class seed pot is cultivated: the first class seed pot being 150L with 10% inoculum size access cubic capacity by three grades of seeds, fermention medium loading amount 100L, culture temperature 35 DEG C, stirring velocity 100 revs/min, ventilation (V/V) 1:0.5, tank pressure 0.05Mpa, incubation time 24 hours;
(5) fermentation culture: it is 1.5 tons of secondary seed tanks that first class seed pot bacterial classification is accessed cubic capacity with 10% inoculum size, fermention medium loading amount 1 ton, culture condition culture temperature 35 DEG C, stirring velocity 100 revs/min, ventilation (V/V) 1:0.5, tank pressure 0.05Mpa, incubation time 24 hours.
Substratum forms: glucose 6%, yeast extract 1%, peptone 0.2%, CaCO31%, pH6.8.
The preparation method of plant lactobacillus agent:
Conventional seed fermentation cultural method obtains seed liquor;
Fermentor cultivation: it is 3 tons of tanks that first class seed pot bacterial classification is accessed cubic capacity with 5% inoculum size, fermention medium loading amount 2 tons, culture condition culture temperature 28 DEG C, tank pressure 0.05Mpa, incubation time 22 hours.The complete fermentation liquor low-temperature negative-pressure that ferments is concentrated in vacuo to 45% of original volume, obtains bacterium concentrated solution.Add carrier: in concentrated solution, add the carrier mixed, mix; The weight ratio of concentrated solution and carrier is 0.5:1, and vehicle group becomes: CaCO325 part, 12 parts, dextrin.Fluidised bed drying, drying temperature 50 DEG C.
Substratum consists of: casein peptone 1%, beef extract 1%, yeast extract 0.5%, glucose 0.5%, sodium acetate 0.5%, citric acid diamines 0.2%, Tween800.1%, K2HPO40.2%, MgSO4.7H2O0.02%, MnSO4.H2O0.005%, CaCO32%, agar 1.5%, pH6.8.
Plant lactobacillus bacterial classification is CICC20390.
The parts by weight of embodiment 2 fertilizer consist of: subtilis culture 20, aspergillus niger culture 25, plant lactobacillus agent 15 parts.
Embodiment 3: the parts by weight of fertilizer consist of: subtilis culture 25, aspergillus niger culture 20, plant lactobacillus agent 10 parts.
Embodiment 4: the parts by weight of fertilizer consist of: subtilis culture 20, aspergillus niger culture 25, plant lactobacillus agent 15 parts.
Preparation method: according to aforementioned proportion mixing or granulation.
Product effect experimental
Selection experimental field and test design: test and carry out in Ba Bao village, dapple pond town, Yanchi county Ningxia 27 days-October 30 March in 2009.
Experimental plot reaches field maize planting 10 mu, using product every mu of the present invention 0.6 kilogram respectively, emerging about 1 month and using invention product 0.4 kilogram by loose ground mode when planting, and control group uses common fertilizer.
Invention product uses corn field corn yield to reach 650 kilograms, and control group reaches 510 kilograms; This plot was at the 2nd year plant spring wheat, and spring wheat production reaches 420 kilograms, improves 20% than control group per unit area yield.And experimental plot Soil structure is good, without bulk with harden.
Claims (4)
1. a Novel micro-ecological fertilizer, the parts by weight of fertilizer consist of: subtilis culture 20-28 part, aspergillus niger culture 15-25 part, plant lactobacillus agent (Lactobacillus plantarum) 8-15 part, subtilis (Bacillus subtilis) Li-2013-02 preserving number is CGMCC No.7926, and aspergillus niger (Aspergillus niger) Li-2013-03 preserving number is CGMCC NO.7927.
2. Novel micro-ecological fertilizer according to claim 1, the parts by weight of fertilizer consist of: subtilis culture 20, aspergillus niger culture 25, plant lactobacillus agent 15 parts.
3. Novel micro-ecological fertilizer according to claim 1, the parts by weight of fertilizer consist of: subtilis culture 25, aspergillus niger culture 20, plant lactobacillus agent 10 parts.
4. Novel micro-ecological fertilizer according to claim 1, the parts by weight of fertilizer consist of: subtilis culture 20, aspergillus niger culture 25, plant lactobacillus agent 15 parts.
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| CN102212494A (en) * | 2011-04-12 | 2011-10-12 | 王颖 | Organic matter decomposing inoculant, and preparation method and application thereof |
| CN102976801A (en) * | 2012-12-13 | 2013-03-20 | 广州舒国生物科技有限公司 | Method for producing functional microorganism organic fertilizer by using food residue |
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| CN102212494A (en) * | 2011-04-12 | 2011-10-12 | 王颖 | Organic matter decomposing inoculant, and preparation method and application thereof |
| CN102976801A (en) * | 2012-12-13 | 2013-03-20 | 广州舒国生物科技有限公司 | Method for producing functional microorganism organic fertilizer by using food residue |
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