CN117902935B - Biological rice seedling bed conditioner - Google Patents

Biological rice seedling bed conditioner Download PDF

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CN117902935B
CN117902935B CN202410306608.0A CN202410306608A CN117902935B CN 117902935 B CN117902935 B CN 117902935B CN 202410306608 A CN202410306608 A CN 202410306608A CN 117902935 B CN117902935 B CN 117902935B
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parts
agent
wollastonite
talcum powder
biological
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CN117902935A (en
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王杰
张金凤
于松涛
陈秋明
丁爽
盛慧
刘斯斯
赵春梅
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Harbin Academy of Agricultural Sciences
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Harbin Academy of Agricultural Sciences
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/02—Superphosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80—Soil conditioners
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00—Agricultural use
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to the technical field of seedbed conditioners, and in particular discloses a biological rice seedbed conditioner, which comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier. The seedbed conditioner adopts the biological microbial inoculum as a matrix and is matched with the composite matrix agent, and the functional property of the soil of the seedbed of the rice is optimized, the disease resistance of the rice is enhanced and the growth quality of the rice is improved through the compounding of the microbial inoculum of trichoderma Guizhou and trichoderma longibrachiatum.

Description

Biological rice seedling bed conditioner
Technical Field
The invention relates to the technical field of seedbed conditioning, in particular to a biological rice seedbed conditioner.
Background
The existing seedbed conditioning agent adopts simpler raw materials, most of the existing fertilizer combinations are difficult to enhance the disease resistance of rice and improve the growth quality of rice, and meanwhile, the conditioning agent is difficult to improve the physical and chemical properties of soil when used in salt and alkali, so that the use efficiency of the product is further limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a biological rice seedbed conditioner for solving the problems in the prior art.
The invention solves the technical problems by adopting the following technical scheme:
The invention provides a biological rice seedbed conditioner, which comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological microbial agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is (2-5): (7-10): (4-6):3.
Preferably, the biological agent is one or more of trichoderma reesei and trichoderma longibrachiatum, and the preservation number of trichoderma reesei is CGMCCNO.40088; the collection number of the trichoderma longibrachiatum is CGMCC NO.40500.
Preferably, the composite matrix agent comprises the following raw materials in parts by weight:
3-5 parts by weight of potassium sulfate, 3-5 parts by weight of ammonium phosphate, 1-3 parts by weight of calcium superphosphate, 1-3 parts by weight of manganese nitrate and 2-5 parts by weight of sodium humate.
The seedbed conditioning agent also comprises a chemical control agent, an acid regulator and a synergistic agent; wherein the chemical control agent accounts for 0.1-0.2% of the total amount of the conditioner; the acid regulator is used for regulating the pH value to be 4.5-5.5; the synergistic agent accounts for 0.1-0.2% of the total amount of the conditioner;
Wherein the chemical control agent is one or more of paclobutrazol, uniconazole, sodium nitrophenolate, diethyl aminoethyl hexanoate, naphthylacetic acid and kang polyphenol in ABA and IAA; the synergistic agent is one or a plurality of compositions of alginic acid, amino acid, polyglutamic acid, polyaspartic acid, chitin, chitosan oligosaccharide and humic acid; the acid regulator is solid acid prepared by adding concentrated sulfuric acid and a silicon dioxide adsorption carrier.
Preferably, the wollastonite conditioned platy talc powder is prepared by:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 210-230 ℃ for 5-10min, then cooling to 55 ℃ at the speed of 1-3 ℃/min, and carrying out heat preservation treatment;
s02: adding 3-5 parts of wollastonite and 1-3 parts of yttrium nitrate solution into 4-7 parts of chitosan solution, then adding 2-4 parts of sodium lignin sulfonate and 1-2 parts of nano silica sol, and stirring fully to obtain wollastonite liquid;
S03: adding S01 flaky talcum powder into a modifying liquid which is 3-5 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
S04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1000-1500r/min, ball milling is carried out for 1-2h, and after ball milling, the flaky talcum powder regulated by wollastonite is obtained through suction filtration and drying.
Preferably, the yttrium nitrate solution has a mass fraction of 2-5%; the mass fraction of the chitosan solution is 4-7%.
Preferably, the stirring speed of the stirring modification treatment is 450-500r/min, and the stirring time is 1-2h.
Preferably, the preparation method of the modified liquid comprises the following steps: adding 2-5 parts by mass of 5% lanthanum chloride solution into 4-6 parts by mass of 10% sodium silicate solution, stirring and mixing uniformly, then adding 1-3 parts by mass of silane coupling agent KH560 and 1-2 parts by mass of urea, and stirring fully to obtain modified liquid.
Preferably, the preparation method of the hydroxyapatite modifier comprises the following steps:
s101: irradiating hydroxyapatite in a proton irradiation box for 10-15min with irradiation power of 350-400W, and ending irradiation to obtain an irradiation agent;
S102: and (3) performing ultrasonic treatment on 2-5 parts of irradiator, 1-3 parts of glycolic acid, 4-7 parts of sodium citrate solution and 1-4 parts of tetrabutyl titanate for 1-2 hours under ultrasonic power of 350-400W, and washing and drying to obtain the hydroxyapatite modifier.
Preferably, the mass fraction of the sodium citrate solution is 10-15%.
Preferably, the preparation method of the conditioner comprises the following steps: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
Compared with the prior art, the invention has the following beneficial effects:
The project seedling bed conditioner adopts biological microbial inoculum as a matrix to be matched with a composite matrix agent, and by compounding the microbial inoculum of trichoderma guizhou and trichoderma longibrachiatum, the functional property of rice seedling bed soil is optimized, the disease resistance of rice is enhanced, the growth quality of rice is improved, the composite matrix agent comprises potassium sulfate, ammonium phosphate, calcium superphosphate, manganese nitrate and sodium humate, through the mutual allocation among raw materials, the combined effect is achieved, the obtained product can provide rich nutrient substances for soil, the physicochemical property of the soil is improved, the performance stability of the rice in acid-base environment is enhanced, the invention adopts wollastonite-regulated flaky talcum powder and hydroxyapatite modifier to be matched with each other, the obtained product can further enhance the disease resistance of the rice and improve the growth quality of the rice, the flaky talcum powder is uniformly stirred in a hydrochloric acid solution with the mass fraction of 2 percent of the flaky talcum powder, then is subjected to heat treatment at the temperature of 210-230 ℃ for 5-10min, then the active efficiency of the flaky talcum powder is optimized at the speed of 1-3 ℃ through the mutual allocation of the raw materials, simultaneously, the flaky talcum powder is further optimized, the wollastonite-modified calcium chloride solution, the silicate solution, the modified silicon-silicate solution and the wollastonite-modified flaky talcum powder are matched with the wollastonite-modified flaky talcum powder to be further optimized, the effect of the wollastonite-modified flaky talcum powder is improved, and the wollastonite-modified to be matched with the wollastonite-modified, the flaky talcum powder is further improved, the flaky talcum powder has the better effect of the quality-modified, and the flaky-modified wollastonite-modified soil-modified, and the flaky talcum powder is further improved, and the flaky-modified, and the flaky-shaped talcum powder has better effect is prepared, the added hydroxyapatite modifier is subjected to irradiation treatment by the hydroxyapatite, and then is mutually blended with the glycolic acid, the sodium citrate solution and the tetrabutyl titanate, so that the obtained hydroxyapatite modifier can better cooperate with the wollastonite-regulated platy talcum powder, and the performance of the product is further enhanced.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The biological rice seedling bed conditioner comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological microbial agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is (2-5): (7-10): (4-6):3.
The biological agent of the embodiment is one or a plurality of compositions of trichoderma Guizhou and trichoderma longibrachiatum, the preservation number of the trichoderma Guizhou is CGMCC No.40088, and the preservation unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma Guizhou (Trichoderma guizhouense), which has been received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 03, 2022, and whose viability was detected by the center for collection, at 03, 2022, and which was viable; the collection number of the trichoderma longibrachiatum is CGMCC NO.40500, and the collection unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma longibrachiatum (Trichoderma longibrachiatum), which was received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 2023, month 14, and whose viability was measured by the center at 2023, month 02, 14, and was found to survive.
The seedbed conditioning agent also comprises a chemical control agent, an acid regulator and a synergistic agent; wherein the chemical control agent accounts for 0.1-0.2% of the total amount of the conditioner; the acid regulator is used for regulating the pH value to be 4.5-5.5; the synergistic agent accounts for 0.1-0.2% of the total amount of the conditioner;
Wherein the chemical control agent is one or more of paclobutrazol, uniconazole, sodium nitrophenolate, diethyl aminoethyl hexanoate, naphthylacetic acid and kang polyphenol in ABA and IAA; the synergistic agent is one or a plurality of compositions of alginic acid, amino acid, polyglutamic acid, polyaspartic acid, chitin, chitosan oligosaccharide and humic acid; the acid regulator is solid acid prepared by adding concentrated sulfuric acid and a silicon dioxide adsorption carrier.
The composite matrix agent of the embodiment comprises the following raw materials in parts by weight:
3-5 parts by weight of potassium sulfate, 3-5 parts by weight of ammonium phosphate, 1-3 parts by weight of calcium superphosphate, 1-3 parts by weight of manganese nitrate and 2-5 parts by weight of sodium humate.
The wollastonite adjusted platy talc powder of the present example was prepared by:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 210-230 ℃ for 5-10min, then cooling to 55 ℃ at the speed of 1-3 ℃/min, and carrying out heat preservation treatment;
s02: adding 3-5 parts of wollastonite and 1-3 parts of yttrium nitrate solution into 4-7 parts of chitosan solution, then adding 2-4 parts of sodium lignin sulfonate and 1-2 parts of nano silica sol, and stirring fully to obtain wollastonite liquid;
S03: adding S01 flaky talcum powder into a modifying liquid which is 3-5 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
S04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1000-1500r/min, ball milling is carried out for 1-2h, and after ball milling, the flaky talcum powder regulated by wollastonite is obtained through suction filtration and drying.
The mass fraction of the yttrium nitrate solution in the embodiment is 2-5%; the mass fraction of the chitosan solution is 4-7%.
The stirring speed of the stirring modification treatment is 450-500r/min, and the stirring time is 1-2h.
The preparation method of the modified liquid in the embodiment comprises the following steps: adding 2-5 parts by mass of 5% lanthanum chloride solution into 4-6 parts by mass of 10% sodium silicate solution, stirring and mixing uniformly, then adding 1-3 parts by mass of silane coupling agent KH560 and 1-2 parts by mass of urea, and stirring fully to obtain modified liquid.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
s101: irradiating hydroxyapatite in a proton irradiation box for 10-15min with irradiation power of 350-400W, and ending irradiation to obtain an irradiation agent;
S102: and (3) performing ultrasonic treatment on 2-5 parts of irradiator, 1-3 parts of glycolic acid, 4-7 parts of sodium citrate solution and 1-4 parts of tetrabutyl titanate for 1-2 hours under ultrasonic power of 350-400W, and washing and drying to obtain the hydroxyapatite modifier.
The mass fraction of the sodium citrate solution of the embodiment is 10-15%.
The preparation method of the conditioner comprises the following steps: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
Embodiment one: the biological rice seedling bed conditioner comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is 2:7:4:3.
The biological agent of the embodiment is one or a plurality of compositions of trichoderma Guizhou and trichoderma longibrachiatum, the preservation number of the trichoderma Guizhou is CGMCC No.40088, and the preservation unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma Guizhou (Trichoderma guizhouense), which has been received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 03, 2022, and whose viability was detected by the center for collection, at 03, 2022, and which was viable; the collection number of the trichoderma longibrachiatum is CGMCC NO.40500, and the collection unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma longibrachiatum (Trichoderma longibrachiatum), which was received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 2023, month 14, and whose viability was measured by the center at 2023, month 02, 14, and was found to survive.
The composite matrix agent of the embodiment comprises the following raw materials in parts by weight:
3 parts by weight of potassium sulfate, 3 parts by weight of ammonium phosphate, 1 part by weight of calcium superphosphate, 1 part by weight of manganese nitrate and 2 parts by weight of sodium humate.
The wollastonite adjusted platy talc powder of the present example was prepared by:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 210 ℃ for 5min, then cooling to 55 ℃ at the speed of 1 ℃/min, and carrying out heat preservation treatment;
s02: adding 3 parts of wollastonite and 1 part of yttrium nitrate solution into 4 parts of chitosan solution, then adding 2 parts of sodium lignin sulfonate and 1 part of nano silica sol, and stirring fully to obtain wollastonite liquid;
S03: adding S01 flaky talcum powder into a modifying liquid which is 3 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
S04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1000r/min, the ball milling is carried out for 1h, and the flaky talcum powder regulated by wollastonite is obtained after the ball milling is finished, suction filtration and drying.
The mass fraction of the yttrium nitrate solution in the embodiment is 2%; the mass fraction of the chitosan solution is 4%.
The stirring speed of the stirring modification treatment in this example was 450r/min, and the stirring time was 1h.
The preparation method of the modified liquid in the embodiment comprises the following steps: adding 2 parts by mass of 5% lanthanum chloride solution into 4 parts by mass of 10% sodium silicate solution, stirring and mixing uniformly, then adding 1 part of silane coupling agent KH560 and 1 part of urea, and stirring fully to obtain the modified liquid.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
S101: irradiating hydroxyapatite in a proton irradiation box for 10min with irradiation power of 350W, and obtaining an irradiation agent after the irradiation is finished;
s102: and (3) carrying out ultrasonic treatment on 2 parts of irradiator, 1 part of glycolic acid, 4 parts of sodium citrate solution and 1 part of tetrabutyl titanate for 1h under the ultrasonic power of 350W, and washing and drying after the treatment is finished to obtain the hydroxyapatite modifier.
The mass fraction of the sodium citrate solution of this example was 10%.
The preparation method of the conditioner comprises the following steps: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
Embodiment two: the biological rice seedling bed conditioner comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is 5:10:6:3.
The biological agent of the embodiment is one or a plurality of compositions of trichoderma Guizhou and trichoderma longibrachiatum, the preservation number of the trichoderma Guizhou is CGMCC No.40088, and the preservation unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma Guizhou (Trichoderma guizhouense), which has been received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 03, 2022, and whose viability was detected by the center for collection, at 03, 2022, and which was viable; the collection number of the trichoderma longibrachiatum is CGMCC NO.40500, and the collection unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma longibrachiatum (Trichoderma longibrachiatum), which was received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 2023, month 14, and whose viability was measured by the center at 2023, month 02, 14, and was found to survive.
The composite matrix agent of the embodiment comprises the following raw materials in parts by weight:
5 parts by weight of potassium sulfate, 5 parts by weight of ammonium phosphate, 3 parts by weight of calcium superphosphate, 3 parts by weight of manganese nitrate and 5 parts by weight of sodium humate.
The wollastonite adjusted platy talc powder of the present example was prepared by:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 230 ℃ for 10min, then cooling to 55 ℃ at the speed of 3 ℃/min, and carrying out heat preservation treatment;
S02: adding 5 parts of wollastonite and 3 parts of yttrium nitrate solution into 7 parts of chitosan solution, then adding 4 parts of sodium lignin sulfonate and 2 parts of nano silica sol, and stirring thoroughly to obtain wollastonite liquid;
S03: adding S01 flaky talcum powder into a modifying liquid which is 5 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
S04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1000-1500r/min, ball milling is carried out for 1-2h, and after ball milling, the flaky talcum powder regulated by wollastonite is obtained through suction filtration and drying.
The mass fraction of the yttrium nitrate solution in the embodiment is 5%; the mass fraction of the chitosan solution is 7%.
The stirring speed of the stirring modification treatment in this example was 500r/min, and the stirring time was 2h.
The preparation method of the modified liquid in the embodiment comprises the following steps: adding 5 parts by mass of 5% lanthanum chloride solution into 6 parts by mass of 10% sodium silicate solution, stirring and mixing uniformly, then adding 3 parts by mass of silane coupling agent KH560 and 2 parts by mass of urea, and stirring fully to obtain the modified liquid.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
S101: irradiating hydroxyapatite in a proton irradiation box for 15min with irradiation power of 400W, and obtaining an irradiation agent after the irradiation is finished;
S102: and (3) carrying out ultrasonic treatment on 5 parts of irradiator, 3 parts of glycolic acid, 7 parts of sodium citrate solution and 4 parts of tetrabutyl titanate for 2 hours under the ultrasonic power of 400W, and washing and drying after the treatment is finished to obtain the hydroxyapatite modifier.
The mass fraction of the sodium citrate solution of this example was 15%.
The preparation method of the conditioner comprises the following steps: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
Embodiment III: the biological rice seedling bed conditioner comprises the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is 3.5:8.5:7:3.
The biological agent of the embodiment is one or a plurality of compositions of trichoderma Guizhou and trichoderma longibrachiatum, the preservation number of the trichoderma Guizhou is CGMCC No.40088, and the preservation unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma Guizhou (Trichoderma guizhouense), which has been received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 03, 2022, and whose viability was detected by the center for collection, at 03, 2022, and which was viable; the collection number of the trichoderma longibrachiatum is CGMCC NO.40500, and the collection unit is: the China general microbiological culture Collection center, suggested class nomenclature: trichoderma longibrachiatum (Trichoderma longibrachiatum), which was received and registered by the China general microbiological culture Collection center (China Committee) for culture Collection of microorganisms, at 2023, month 14, and whose viability was measured by the center at 2023, month 02, 14, and was found to survive.
The composite matrix agent of the embodiment comprises the following raw materials in parts by weight:
4 parts by weight of potassium sulfate, 4 parts by weight of ammonium phosphate, 2 parts by weight of calcium superphosphate, 2 parts by weight of manganese nitrate and 3.5 parts by weight of sodium humate.
The wollastonite adjusted platy talc powder of the present example was prepared by:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 220 ℃ for 7.5min, then cooling to 55 ℃ at the speed of 2 ℃/min, and carrying out heat preservation treatment;
s02: adding 4 parts of wollastonite and 2 parts of yttrium nitrate solution into 5.5 parts of chitosan solution, then adding 3 parts of sodium lignin sulfonate and 1.5 parts of nano silica sol, and stirring fully to obtain wollastonite liquid;
S03: adding S01 flaky talcum powder into a modifying liquid which is 4 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
s04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1250r/min, the ball milling is carried out for 1.5h, and the flaky talcum powder regulated by wollastonite is obtained after the ball milling is finished, suction filtration and drying.
The mass fraction of the yttrium nitrate solution in the embodiment is 3.5%; the mass fraction of the chitosan solution is 5.5%.
The stirring rotation speed of the stirring modification treatment in this example was 470r/min, and the stirring time was 1.5h.
The preparation method of the modified liquid in the embodiment comprises the following steps: 3.5 parts of lanthanum chloride solution with the mass fraction of 5% is added into 5 parts of sodium silicate solution with the mass fraction of 10% and stirred uniformly, then 2 parts of silane coupling agent KH560 and 1.5 parts of urea are added, and stirring is sufficient, so as to obtain the modified liquid.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
S101: irradiating hydroxyapatite in a proton irradiation box for 12min with irradiation power of 370W, and obtaining an irradiation agent after irradiation;
s102: 3.5 parts of irradiator, 2 parts of glycolic acid, 5.5 parts of sodium citrate solution and 2.5 parts of tetrabutyl titanate are subjected to ultrasonic treatment for 1.5 hours under ultrasonic power of 370W, and after the treatment is finished, the hydroxyapatite modifier is obtained by washing and drying.
The mass fraction of the sodium citrate solution of this example was 12.5%.
The preparation method of the conditioner comprises the following steps: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
Formulation of Height of plant (cm) Root length (cm) Hundred plants underground part dry weight (g) Hundred plants overground part dry weight (g) Stem base width (cm) Degree of fullness (mg/cm)
Example 1 18.9 6.6 0.7 3.8 2.35 2.7
Example 2 18.9 6.7 0.7 3.8 2.40 2.7
Example 3 18.9 6.8 0.7 4.0 2.42 2.8
Comparative example 1.
The difference from example 3 is that wollastonite-free regulated platy talc powder is added.
Comparative example 2.
The difference from example 3 is that the wollastonite modified platy talc powder is not treated with S01.
Comparative example 3.
The wollastonite liquid was not added in the preparation of wollastonite modified flaky talc powder, unlike in example 3.
Comparative example 4.
The difference from example 3 is that wollastonite and yttrium nitrate solution are not added to the wollastonite liquid.
Comparative example 5.
The difference from example 3 is that sodium lignin sulfonate and nano silica sol are not added into wollastonite liquid.
Comparative example 6.
The difference from example 3 is that no treatment with the modifying liquid was used.
Comparative example 7.
The difference from example 3 is that no silane coupling agent KH560 or urea was added to the modified liquid.
Comparative example 8.
The difference from example 3 is that no lanthanum chloride solution was added to the modified solution and that the sodium silicate solution was replaced with deionized water.
Comparative example 9.
Unlike example 3, no hydroxyapatite modifier was added.
Comparative example 10.
The difference from example 3 is that the hydroxyapatite modifier was not treated with the step S102.
The performance test of examples 1-3 and comparative examples 1-10 was performed as follows
Disease incidence of damping off (%) Seedling yield (%) Soil salinity (%)
Example 1 3.5 99.6 0.13
Example 2 3.4 99.8 0.12
Example 3 3.2 99.9 0.10
Comparative example 1 6.8 92.4 0.35
Comparative example 2 4.3 98.3 0.18
Comparative example 3 5.9 93.6 0.30
Comparative example 4 4.8 95.8 0.23
Comparative example 5 4.2 96.7 0.18
Comparative example 6 5.5 94.3 0.26
Comparative example 7 4.6 96.2 0.18
Comparative example 8 3.9 97.8 0.16
Comparative example 9 4.8 93.8 0.29
Comparative example 10 3.7 95.3 0.20
According to the invention, the morbidity, seedling rate and soil salt content of the damping-off disease can be improved in a coordinated manner, and the performance of the product can be improved in an integrated manner, as shown in examples 1-3 and comparative examples 1-10;
as shown in comparative example 1, comparative example 9 and example 3, the invention has no wollastonite added to regulate the platy talcum powder and no hydroxyapatite modifier added, the product performance is obviously deteriorated, and the product performance effect is obvious by adopting the cooperation of the platy talcum powder and the hydroxyapatite modifier to cooperate together;
As seen from comparative examples 1 to 8 and example 3, the wollastonite modified flaky talc powder was not treated with S01, the wollastonite modified flaky talc powder was prepared without wollastonite liquid, the wollastonite liquid was not added with wollastonite, the yttrium nitrate solution, the wollastonite liquid was not added with sodium lignin sulfonate and nano silica sol, the modified liquid was not treated, the modified liquid was not added with silane coupling agent KH560, urea and the modified liquid was not added with lanthanum chloride solution, the sodium silicate solution was replaced with deionized water, the modified liquid prepared by the method of the present invention was mixed with the wollastonite liquid of the present invention to obtain wollastonite modified flaky talc powder, the effect of the product was most remarkable, and the hydroxyapatite modifier was not treated with S102 step, the product performance was also deteriorated, and the specific trend S102 step treatment was adopted to obtain the product with the most remarkable effect of the product.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The biological rice seedling bed conditioner is characterized by comprising the following raw materials: biological bacteria agent, composite matrix agent, wollastonite regulated platy talcum powder and hydroxyapatite modifier; wherein the mass ratio of the biological microbial agent to the composite matrix agent to the wollastonite regulated platy talcum powder to the hydroxyapatite modifier is (2-5): (7-10): (4-6) 3;
the seedbed conditioning agent also comprises a chemical control agent, an acid regulator and a synergistic agent; wherein the chemical control agent accounts for 0.1-0.2% of the total amount of the conditioner; the acid regulator is used for regulating the pH value to be 4.5-5.5; the synergistic agent accounts for 0.1-0.2% of the total amount of the conditioner;
Wherein the chemical control agent is one or more of paclobutrazol, uniconazole, sodium nitrophenolate, diethyl aminoethyl hexanoate, naphthylacetic acid and kang polyphenol in ABA and IAA; the synergistic agent is one or a plurality of compositions of alginic acid, amino acid, polyglutamic acid, polyaspartic acid, chitin, chitosan oligosaccharide and humic acid; the acid regulator is solid acid prepared by adding concentrated sulfuric acid and a silicon dioxide adsorption carrier;
The biological microbial inoculum is one or more of the compositions of trichoderma reesei and trichoderma longibrachiatum, and the preservation number of the trichoderma reesei is CGMCC No.40088; the collection number of the trichoderma longibrachiatum is CGMCCNO.40500;
The composite matrix agent comprises the following raw materials in parts by weight:
3-5 parts by weight of potassium sulfate, 3-5 parts by weight of ammonium phosphate, 1-3 parts by weight of calcium superphosphate, 1-3 parts by weight of manganese nitrate and 2-5 parts by weight of sodium humate;
the preparation method of the wollastonite regulated platy talcum powder comprises the following steps:
S01: stirring and uniformly mixing flaky talcum powder in a sufficient amount of hydrochloric acid solution with the mass fraction of 2%, then carrying out heat treatment at 210-230 ℃ for 5-10min, then cooling to 55 ℃ at the speed of 1-3 ℃/min, and carrying out heat preservation treatment;
s02: adding 3-5 parts of wollastonite and 1-3 parts of yttrium nitrate solution into 4-7 parts of chitosan solution, then adding 2-4 parts of sodium lignin sulfonate and 1-2 parts of nano silica sol, and stirring fully to obtain wollastonite liquid;
S03: adding the heat-insulating treated S01 flaky talcum powder into a modifying liquid which is 3-5 times of the total amount of the S01 flaky talcum powder, stirring for modification treatment, and washing and drying after stirring is finished to obtain modified flaky talcum powder;
S04: modified flaky talcum powder and wollastonite liquid are subjected to ball milling improvement treatment according to the weight ratio of 4:3, the ball milling rotating speed is 1000-1500r/min, ball milling is carried out for 1-2h, and after ball milling, suction filtration and drying are carried out, so as to obtain wollastonite regulated flaky talcum powder;
The preparation method of the hydroxyapatite modifier comprises the following steps:
s101: irradiating hydroxyapatite in a proton irradiation box for 10-15min with irradiation power of 350-400W, and ending irradiation to obtain an irradiation agent;
S102: and (3) performing ultrasonic treatment on 2-5 parts of irradiator, 1-3 parts of glycolic acid, 4-7 parts of sodium citrate solution and 1-4 parts of tetrabutyl titanate for 1-2 hours under ultrasonic power of 350-400W, and washing and drying to obtain the hydroxyapatite modifier.
2. The biological rice seedbed conditioner as set forth in claim 1, wherein the mass fraction of the yttrium nitrate solution is 2-5%; the mass fraction of the chitosan solution is 4-7%.
3. The biological rice seedbed conditioner as set forth in claim 1, wherein the stirring speed of the stirring modification treatment is 450-500r/min and the stirring time is 1-2h.
4. The biological rice seedbed conditioner as set forth in claim 1, wherein the preparation method of the modifying liquid is as follows: adding 2-5 parts by mass of 5% lanthanum chloride solution into 4-6 parts by mass of 10% sodium silicate solution, stirring and mixing uniformly, then adding 1-3 parts by mass of silane coupling agent KH560 and 1-2 parts by mass of urea, and stirring fully to obtain modified liquid.
5. The biological rice seedbed conditioner of claim 1, wherein the mass fraction of the sodium citrate solution is 10-15%.
6. The biological rice seedbed conditioner as set forth in claim 1, wherein the preparation method of the conditioner is as follows: the biological bacterial agent, the composite matrix agent, the wollastonite regulated platy talcum powder and the hydroxyapatite modifier are stirred and mixed uniformly and fully, and the biological rice seedbed conditioner is obtained.
CN202410306608.0A 2024-03-18 2024-03-18 Biological rice seedling bed conditioner Active CN117902935B (en)

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