WO2014167409A1 - Inoculante biológico para promoción de crecimiento de las especies forestales y método para su obtención - Google Patents
Inoculante biológico para promoción de crecimiento de las especies forestales y método para su obtención Download PDFInfo
- Publication number
- WO2014167409A1 WO2014167409A1 PCT/IB2014/000527 IB2014000527W WO2014167409A1 WO 2014167409 A1 WO2014167409 A1 WO 2014167409A1 IB 2014000527 W IB2014000527 W IB 2014000527W WO 2014167409 A1 WO2014167409 A1 WO 2014167409A1
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- WO
- WIPO (PCT)
- Prior art keywords
- teak
- support
- sawdust
- plant growth
- inoculant
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/08—Organic fertilisers containing added bacterial cultures, mycelia or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N63/00—Biocides, 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
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N63/00—Biocides, 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
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
- A01N63/27—Pseudomonas
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
Definitions
- the present invention relates to the field of agricultural biotechnology and the application of biological inoculants for the promotion of plant growth without affecting the environment.
- the main input for obtaining wood are forest species such as oak, pine, eucalyptus, cypress or walnut.
- forest species such as oak, pine, eucalyptus, cypress or walnut.
- bio-fortified substrates and biological inoculants which are understood as products that contain viable beneficial microorganisms, used in agriculture to fix nitrogen, solubilization of nutrient carrying materials, promotion of plant growth, mycorrhization or transformation of organic matter; the product must not contain pathogenic microorganisms to humans, plants or animals (Pardo, 2002; Soroaef al., 2006; NTC 5842, 201 1).
- microorganisms for the development of these products is important, since they are the most important components of the soil, responsible for the dynamics of transformation and plant development.
- the presence of these microorganisms in the soil makes it fertile, that is, it increases the concentration of nutritional elements available to the plant - or of microbial populations that release nutrients that allow a good development of the plants.
- bacteria and arbuscular mycorrhizal fungi have been recognized by the Food and Agriculture Organization of the United Nations - FAO, as an important tool to increase agricultural production and provide benefits to plants in protection and in obtaining nutrients (Ocampo ef a /., 2001).
- Some characteristics of these microorganisms are the fact that they do not require internal colonization of tissues in plants to act, to have the ability to increase their population density in the rhizosphere in a short time after inoculation and to effectively colonize the surface of the root (Jiménez et al., 2001).
- microbial supports The passage of nutrients, the transfer of oxygen and the adhesion of a microbial population to plants is favored with the use of microbial supports.
- the use of supports is important because at the time of introducing microorganisms to different environments without a support, low survival rates of the former and low efficiency can occur due to the low number of colony forming units per gram of soil.
- the use of the support allows a greater degree of survival in the inoculation processes and also does not cause contamination in the environment in which it is applied.
- These microbial supports are also known as microbial carriers.
- the state of the art discloses different types, according to those composed of porous materials such as polyurethane, cellulose, polypropylene and ceramics. These supports are characterized in that they allow the immobilization of cells of animals, plants, microorganisms and protozoa. Cellulose supports are susceptible to erosion, therefore their duration is shorter and ceramic supports have several limitations due to their high specific gravity that prevents them from being fluid in water.
- Another type of supports are those composed of gels, which include those composed of polyacrylamide, polyethylene glycol and alginic acid.
- the gel supports can contain a large amount of water, so they have greater biocompatibility with the cells of microorganisms, human and plant.
- JP2000016889 refers to a process for the production of fertilizer as a fermentation fertilizer that uses bacteria Photosynthetic of the genera Rhodopseudomonas, Rhodospirillum and Éctothiorhodospira and of the families Ectothiorhodospiraceae and Chloroflexaceae, with acetic acid or a material containing it, and in which the mixture is used as adsorbent on a porous material (30% p / po less) produced by carbonization of wood, sawdust, coconut husks, bagasse, wheat hulls, cottonseed hulls, coffee sediments or the like, a zeolite, etc.
- this document is limited to disclosing the requirement of 30% (w / w) or less of the microbial culture with respect to the porous material, this formulation also includes the requirement of acetic acid or a source thereof in a proportion up to eight times with respect to the volume of the crop. However, it does not establish a concentration of particular microorganisms per gram, which makes it impossible to precisely dose the components of the product.
- Patent KR920003238 discloses an agent for soil improvement that is obtained by mixing 94-97% (w / w) organic waste material with 2-5% (w / w) sawdust, 0.2-0.5% of Lime grout and 0.2-0.5% of wood ashes and adjust the pH to a value between 6.5 and 7.5.
- JP11029384 reports an organic fertilizer that promotes plant growth that effectively improves soil quality and allows the reuse of industrial waste.
- This fertilizer is obtained by mixing rice bran, sawdust from a foliage or wood tree, liquid soy sediments, straw cut from rice plants, garbage residues or granular charcoal, with a material comprising bacterial residues from a mushroom crop (for example Shiitake, Maitake and Shimeji) and ferment the resulting material.
- JP4122788 refers to a soil activator and plant growth promoter obtained by aerobic fermentation of a fiber-rich vegetable source mixed with cereal bran, crustacean fossils, among others and an enzymatic complex, which is mixed with sawdust. or wood chips treated enzymatically.
- Patents KR960002627 and JP11029384 report separate stages such as support enlistment (heating and carbonization) and inoculation and incubation stages, respectively.
- An object of the invention is a biological inoculant plant growth stimulator comprising a support derived from the process of industrial transformation of teak wood, and one or more bacterial strains promoting plant growth, preferably bacterial strains isolated from teak roots.
- This biological inoculant can be combined with suitable excipients to form a product to be applied to the plant material before planting.
- Another object of the present invention is to provide a process of immobilization of strains in a support characterized by the time of cultivation, the realization of a secondary culture, the storage method of the inoculant and the application on plant materials from clonal propagation by stakes, pseudo-stakes or mini-stakes or from seedlings.
- Still another object of the invention is a product characterized in that it comprises the biological inoculant together with excipients suitable for the stimulation of plant growth when the product is applied to seeds, seedlings, stakes, pseudo-stakes or mini-stakes. DESCRIPTION OF THE FIGURES
- Figure 1 shows the results in the radical length of teak plants inoculated with different bacteria immobilized in the teak sawdust support.
- the plants were planted in a mixture of quartzitic sand, nursery soil and rice husk in a 1: 1: 1 ratio. Root length was determined 30 days after sowing.
- Figure 2 shows the effect of the biological inoculant using two supports (alginate and teak sawdust) or carriers on the root length of teak plants planted in peat for 50 days, using different plant growth promoting microorganisms and a commercial phytohormone.
- Figure 3 shows the effect of the biological inoculant using two supports or carriers on the root length of teak plants planted for 25 days, using different plant growth promoting microorganisms and different planting substrates: peat and sand mixture, soil and husk
- Figure 4 shows the effect on biomass obtained after 50 days of cultivation using a commercial phytohormone and different plant growth promoting microorganisms immobilized in teak sawdust and planted on peat as a substrate.
- Figure 5 shows the effect of the biological inoculant on the stem diameter in teak plants planted in peat for 25 days, using different plant growth promoting microorganisms and two different supports for their immobilization: sodium alginate and teak sawdust.
- the immobilization process to obtain a biological inoculant plant growth stimulator of the present invention includes the following steps: Forming a support, from teak sawdust in a size between 400-1000 pm, subjected to a heat treatment so that the sawdust burns homogeneously, does not generate ash, has an apparent density of 0.1 g / 0.2 g / l, preferably 0.167 g / l. that its color is between categories 7.5R2 / 4 and 10YR2 / 4 with the presence of 10Y1 / 2 color particles according to Munsell's color chart and has the following composition i. Total organic carbon between 20% and 40%
- Phosphorus available between 400 and 750 ppm Cultivate one or more plant growth promoting strains of the group of Gram-negative bacteria in a fermentation system until the end of their exponential or logarithmic phase, at which point they reach the maximum production of cellular biomass and They produce secondary metabolites of agroindustrial interest such as acids and plant growth regulating compounds, separate the supernatant and resuspend in 0.85% saline solution to a final cell concentration of 10 12 CFU / mL.
- a biological inoculant comprising: a. a culture of the strain TgLGBR285 of the genus Stenotrophomonas deposited in the collection of the Department of Biology of the Pontificia Universidad Javeriana with the number No BIO-PUJ-146, the collection of the Department of Microbiology with the number CM-PUJ-148, which a It is also registered in the World Federation of Crop Collections (WFCC) under number 857-CM-DM-PUJ; b.
- WFCC World Federation of Crop Collections
- the determination of the supports or carriers is one of the critical stages in the formulation of the product, because they have to keep the viable microorganisms active and in a concentration greater than 10 6 (preferably between 10 6 and 10 9 CFU / mL) .
- microbial bioinoculants Among the characteristics that must have a support to be used in the formulation of microbial bioinoculants are the retention capacity of water, porosity, absence of toxic and volatile compounds that affect microbial growth, which are easy to sterilize and handle due to the homogeneity of their particles.
- Kostov and Lynch used composted sawdust as a support for inoculants based on Gram-negative nitrogen-fixing bacteria of the Rhizobium, Bradyrhizobium and Azospirillum genera with good results on the growth of the plant and that of the inoculated microorganisms.
- the composting process is slow (it takes more than 40 days) and the effect on growth can be masked by the materials that are added in the composting process.
- De Brito-Alvarez (1995) used as a support for bacteria the mixture of compost, sawdust, rice husk and bagasse, but the tomato plants presented phytotoxicity.
- an initial decrease in populations of Gram-negative bacteria such as Bulkholderia sp. 10 9 CFU / g to 10 7 CFU / g (Pandey and Maheshwari, 2007).
- Teak sawdust As a support in the formulation of bioinoculants.
- One of the reasons is related to its antimicrobial effect.
- the natural durability of Teak wood is high, it is resistant to the degradation of chromogenic and rot fungi (Peraza, 2002).
- This durability in its heartwood, the main constituent of sawdust has been conferred on the proportion of tectoquinone and naphthoquinone, aromatic compounds of the anthroquinone group (Thulasidas and Bhat, 2007), used as antimicrobial compounds of non-generalized effect.
- Thulasidas and Bhat Although for other plant species no negative effects of their anthraquinones on Gram negative bacteria such as Pseudomonas sp. (Chukwujekwu et al., 2006), for Teca wood extracts there are studies of their harmful effect on some genera of this bacterial group (Thulasidas and Bhat, 2007; Krishna & Jayakumaran, 2010).
- the support derived from the process of industrial transformation of teak wood for the biological inoculant according to the invention can be sawdust from the industrial transformation of teak wood and can have a particle size between 400 to 1000 microns.
- Sawdust can also be obtained through a combustion process, for example in a Neycraft JFF2000® muffle.
- the fresh sawdust with a humidity percentage between 50% and 60% is placed on a tray forming a layer preferably 1.5 cm thick and introduced into the muffle previously heated to 250 ° C. After 60 minutes in the muffle, it is temporarily removed to make a first homogenization process of the material, then it is introduced back into the muffle and left for an additional 30 minutes. At the end of this time, the material is removed from the flask and a second homogenization process is performed to prevent the upper layer from calcining.
- This sawdust obtained from the combustion process is moistened with saline solution and autoclaved at 121 ° C and 0.72 KPa (15 psi) in three cycles each with a duration between 50 minutes and 100 minutes with a rest period of the material between 20 and 25 hours between each cycle.
- the product obtained is a support of burnt and sterilized teak sawdust.
- the bacterial strain TgLGBR250 is characterized by being a short Gram negative bacillus, its most important biological activity is to solubilize phosphorus, in relation to the reference strain, Pseudomonas fluorescens ATCC BAA 477, solubilizing said element to a greater extent and reaching halos of 8 mm in Pikovskaya agar and concentrations of indole derivatives of 75.73 mg / L in nutrient broth supplemented with 0.2% tryptophan (w / v).
- the bacterial strain Tgl_GBR285 is characterized by being a short Gram-negative bacillus, producing inorganic derivatives in a concentration of 195.83 mg / L in culture in nutrient broth supplemented with 0.2% tryptophan (w / v), comparable with the strain Reference Azospirillum brasilense ATCC 29145 that produces 247 mg / L.
- the method of isolation of the TgLGBR285 and TgLGBR250 strains from Teak root is performed on the King B ® culture medium, phosphorus solubilization is evaluated in Picovskaya medium (Pikovskaya, 1948) and the production of indolacetic acid is evaluated in nutritional broth supplemented with 0.2% tryptophan (w / v).
- the immobilization process starts with 'from a batch fermentation culture in nutrient broth Difco ® bacterial isolates.
- strain TgLGBR285 it is cultivated over a period of 8 to 24 hours, where it reaches a concentration greater than 10 9 CFU / mL and in the case of strain Tgl_GBR250 it is grown over a period of 3 to 15 hours and reaches a concentration greater than 10 9 CFU / mL.
- This procedure is carried out in a batch fermentation system, for example in a scale bioreactor with an effective working volume of 1 liter, at a stirring speed between 1 10 rpm and 150 rpm and a temperature between 28 ° C and 35 ° C.
- centrifugation is performed at 4500 rpm for 15 minutes and the cell precipitate is re-suspended in 1 I of saline solution.
- the centrifugation process is repeated and washed twice more.
- the precipitate of the last centrifugation is re-suspended in 8.5 g / L saline solution by adjusting a concentration of 10 12 CFU / mL for each of the two strains.
- the resulting inoculum for each strain is mixed with the burnt and sterile teak sawdust support.
- the sawdust support Prior to the mixing, the sawdust support is moistened with a salt solution of 8.5g / l concentration (ratio between 0.5: 5 ml / g and 2.5: 5 ml / g) and then mixed with the inoculum resulting from each strain in a proportion between 3 and 5 ml of inoculum for every 5 to 7 g of sawdust support.
- the mixture is left growing for a period of 24 to 72 hours at a temperature between 29 ° C and 35 ° C, which is known as a secondary crop.
- the product obtained at the end of this secondary culture is the biological inoculant, which comprises a teak sawdust support and one or more strains bacterial plant growth promoters.
- the bacteria included in this patent document are mesophilic and therefore their growth temperature is between 25 ° C and 42 ° C with an optimum between 28 and 32 ° C
- the biological inoculant maintains its viability and biological activity up to 120 days at a concentration greater than 10 10 CFU / mL in the case of strain Tgl_GBR285 and greater than 10 11 CFU / mL in the case of strain TgLGBR250. Both values are comparable with those of the control strain of Azospirillum brasilense ATCC 29145, which obtained a concentration of 10x10 1 1 CFU / g. Likewise, under these conditions 100% purity is achieved.
- a pasty product can be prepared with the biological inoculant obtained by mixing 720 mL of carboxymethyl cellulose having a concentration of 4g / L previously autoclaved and 180 g of the biological inoculant. This obtained mixture is applied to the plant material allowing a contact time between the mixture and the plant material at least 15 minutes before sowing without the material becoming dehydrated.
- the concentration of the inoculum at the time of application of the mixture on the plant material is greater than or equal to 10 11 CFU / g biological inoculant mixture + carboxymethyl cellulose complying with the established minimum limit (10 7 CFU / g).
- the pasty product obtained has a final volume of 900ml whose yield is: 2200 miniestacas or 1220 stakes or 459 inoculated seedlings.
- the ratio between grams of inoculant and carboxymethylcellulose solution is 4:20, that is, 4 grams of inoculant per 20 mL of carboxymethylcellulose solution.
- the process of immobilization of the strains to obtain the biological stimulator inoculant can be condensed in the following stages in accordance with the above:
- cultivate the strain TgLGBR285 for a period of 8 to 24 hours in a batch fermentation system with a stirring speed between 1 10 rpm and 150 rpm and a temperature between 28 ° C and 35 ° C; b. cultivate the strain TgLGBR250 for a period of 3 to 15 hours in a batch fermentation system with a stirring speed between 1 10 rpm and 150 rpm and a temperature between 28 ° C and 35 ° C;
- the process of immobilization of one or more bacterial strains promoting plant growth to obtain the stimulating biological inoculant according to the invention is characterized in that the process comprises the steps of: a. cultivate each strain to be used in a batch fermentation system for a period of 8 to 24 hours with stirring between 110 and 150 rpm and a temperature between 28 ° C and 35 ° C;
- the burnt sawdust support is previously moistened with a solution of sodium chloride (NaCI) of 8.5g / L at a rate of 0.5 to 2.5 milliliters of solution per 5 grams of support.
- NaCI sodium chloride
- the biological inoculant in its two formulations with the strain TgLGBR285 and the other formulation TgLGBR250 were compared with the phytohormone AIB (indolbutyric acid) and with the strain Azospirillum brasilense ATCC 29145, which is used in a known commercial formulation.
- Figure 3 shows the effect of the inoculant using two supports or carriers on the root length of teak plants planted for 25 days by using the two different substrates. This is how the effect of the use of the biological inoculant on the root length was evaluated.
- the biological inoculants were obtained using the strains Tgl_GBR285, Tgl_GBR250 and Azospirillum brasilense (Control strain) and the immobilization procedure described in the present invention using both supports: teak sawdust support and sodium alginate.
- the diameter of the plants is substantially greater when using the phytohormone and the three strains evaluated immobilized in the teak sawdust support compared to the results of the immobilized in alginate, which evidences that the teak sawdust support improves the effect of these strains, particularly strain TgLGBR285, obtaining a diameter similar to that obtained with phytohormone but without the effects of using a chemical. Ratifying the above, it can be seen in Figure 5 that for the control strain comparable results are obtained between the teak sawdust support and the alginate, which evidences that the teak sawdust support according to the invention is favorable and convenient. compared to conventionally known media in the state of the art.
- Tests were carried out to verify the property of the teak sawdust support according to the invention against one of the carriers or carriers widely reported for the formulation of plant growth promoting bacteria: sodium alginate.
- the viability and stability of biological activity were evaluated until day 120 after the immobilization of different bacteria isolated from teak.
- the inoculated supports were maintained at 19 ⁇ 2 ° C.
- the biological activity evaluated corresponds to the activity of the nitrogenase enzyme present in these nitrogen fixing bacteria.
- Example 4 tests were carried out to assess the viability of isolated teak bacteria and the reference strain Azospirillum brasilense ATCC 29145 immobilized in burned teak sawdust and in solinate alginate, stored at 4 ° C for 120 days. The results are presented in table 2 below. Table 2
- the burned teak sawdust maintains the viability of different teak isolates at values higher than those of the mentioned technical standard, and also maintains the viability of bacteria isolated from other plant species, as is the case of the strain A. brasilense.
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Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112015025912-0A BR112015025912B1 (pt) | 2013-04-11 | 2014-04-10 | Processo de imobilização para obter um inoculante biológico estimulador do crescimento vegetal, suporte de teca, e, inoculante biológico |
US14/783,393 US10368548B2 (en) | 2013-04-11 | 2014-04-10 | Biological inoculant for promotion of growth in forest species and method for obtaining the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CO13094384A CO6660082A1 (es) | 2013-04-11 | 2013-04-11 | Inoculante biológico para promoción de crecimiento de las especies forestales y método para su obtención |
CO13094384 | 2013-04-11 |
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WO2014167409A1 true WO2014167409A1 (es) | 2014-10-16 |
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PCT/IB2014/000527 WO2014167409A1 (es) | 2013-04-11 | 2014-04-10 | Inoculante biológico para promoción de crecimiento de las especies forestales y método para su obtención |
Country Status (4)
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US (1) | US10368548B2 (es) |
BR (1) | BR112015025912B1 (es) |
CO (1) | CO6660082A1 (es) |
WO (1) | WO2014167409A1 (es) |
Cited By (1)
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US11001536B2 (en) | 2019-03-08 | 2021-05-11 | Pontificia Universidad Javeriana | Bioinoculant composition |
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US20180177192A1 (en) * | 2016-12-27 | 2018-06-28 | Talc Usa, Llc | Seed Treatment Composition |
US20230042599A1 (en) * | 2021-08-02 | 2023-02-09 | Heliae Development, Llc | Cellulosic compounds and agricultural uses thereof |
KR102505272B1 (ko) * | 2022-09-16 | 2023-03-09 | 주식회사 금강바이오 | 신규의 네오리조비움 sp. FWR7 및 이를 이용한 퇴비 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920003238B1 (ko) * | 1990-06-07 | 1992-04-25 | 정상현 | 토양 미생물에 의한 토지개량제의 제조방법 |
KR960002627B1 (ko) * | 1993-07-08 | 1996-02-24 | 주식회사영우환경 | 미생물 퇴비부숙 촉진제및 그를 이용한 퇴비의 제조방법 |
CN1548404A (zh) * | 2003-05-13 | 2004-11-24 | 上海汇仁复合有机肥料有限公司 | 一种微生物有机复合肥料的制造工艺 |
CN101318852A (zh) * | 2007-06-07 | 2008-12-10 | 华丰源生物科技(深圳)有限公司 | 有机肥 |
-
2013
- 2013-04-11 CO CO13094384A patent/CO6660082A1/es unknown
-
2014
- 2014-04-10 US US14/783,393 patent/US10368548B2/en active Active
- 2014-04-10 BR BR112015025912-0A patent/BR112015025912B1/pt active IP Right Grant
- 2014-04-10 WO PCT/IB2014/000527 patent/WO2014167409A1/es active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920003238B1 (ko) * | 1990-06-07 | 1992-04-25 | 정상현 | 토양 미생물에 의한 토지개량제의 제조방법 |
KR960002627B1 (ko) * | 1993-07-08 | 1996-02-24 | 주식회사영우환경 | 미생물 퇴비부숙 촉진제및 그를 이용한 퇴비의 제조방법 |
CN1548404A (zh) * | 2003-05-13 | 2004-11-24 | 上海汇仁复合有机肥料有限公司 | 一种微生物有机复合肥料的制造工艺 |
CN101318852A (zh) * | 2007-06-07 | 2008-12-10 | 华丰源生物科技(深圳)有限公司 | 有机肥 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11001536B2 (en) | 2019-03-08 | 2021-05-11 | Pontificia Universidad Javeriana | Bioinoculant composition |
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Publication number | Publication date |
---|---|
BR112015025912A2 (pt) | 2017-07-25 |
CO6660082A1 (es) | 2013-04-30 |
US20160066583A1 (en) | 2016-03-10 |
BR112015025912B1 (pt) | 2022-04-26 |
BR112015025912A8 (pt) | 2019-10-29 |
US10368548B2 (en) | 2019-08-06 |
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