CN117044714B - Biological agent for promoting plant growth and development and preparation method thereof - Google Patents

Biological agent for promoting plant growth and development and preparation method thereof Download PDF

Info

Publication number
CN117044714B
CN117044714B CN202311301170.9A CN202311301170A CN117044714B CN 117044714 B CN117044714 B CN 117044714B CN 202311301170 A CN202311301170 A CN 202311301170A CN 117044714 B CN117044714 B CN 117044714B
Authority
CN
China
Prior art keywords
preparation
preparing
development
biological agent
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202311301170.9A
Other languages
Chinese (zh)
Other versions
CN117044714A (en
Inventor
郭海山
陈永科
徐新刚
吕吉芳
张秀花
王琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Jinmai Plant Cell Information Technology Co ltd
Original Assignee
Shandong Jinmai Plant Cell Information Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Jinmai Plant Cell Information Technology Co ltd filed Critical Shandong Jinmai Plant Cell Information Technology Co ltd
Priority to CN202311301170.9A priority Critical patent/CN117044714B/en
Publication of CN117044714A publication Critical patent/CN117044714A/en
Application granted granted Critical
Publication of CN117044714B publication Critical patent/CN117044714B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing acyclic or cycloaliphatic radicals
    • 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
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/26—Phosphorus; Compounds thereof
    • 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
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/03—Algae
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P21/00—Plant growth regulators

Abstract

The invention discloses a biological agent for promoting plant growth and development and a preparation method thereof, belonging to the technical field of plant growth agents, wherein the preparation method comprises the following steps: preparing carrier, preparing seaweed extract, preparing effective components, immobilizing, and post-treating; the post-treatment step is that soybean lecithin, nano hydroxyapatite, polyethylene glycol 400 and water are uniformly mixed to obtain spray liquid; uniformly spraying the spraying liquid on the surface of the solid carrier, and drying after the spraying is finished to obtain a biological preparation for promoting the growth and development of plants; the invention can simultaneously promote the growth and development of crops, improve the yield of the crops and the quality of the agricultural products, prolong the action time and have little influence on the action effect by soil conditions and high storage stability while improving the stress resistance of the crops.

Description

Biological agent for promoting plant growth and development and preparation method thereof
Technical Field
The invention relates to the technical field of plant growth preparations, in particular to a biological preparation for promoting plant growth and development and a preparation method thereof.
Background
The biological agent has obvious biological effects, can play a unique role in plant growth, development, stress resistance and the like, and has wider application range in agricultural production along with continuous progress of agricultural technology, so that the biological agent can be cooperated with fertilizer to promote the growth and development of crops, improve the yield and quality of the crops and improve the stress resistance of the crops.
The commonly used biological agents for promoting the growth and development of plants comprise auxin, plant growth bacteria, plant growth fungi, amino acid, plant extracts and the like, wherein the plant extracts are increasingly widely applied in the field of biological agents due to the characteristics of green, pollution-free, environment-friendly and the like.
However, when the plant extract is used as a biological agent for promoting plant growth in agricultural production, there are the following problems: the function is single, and the functions of promoting the growth and development of crops and improving the yield of the crops, improving the quality of agricultural products or improving the stress resistance of the crops are generally achieved; the action time is short, active ingredients in the plant extract are easy to lose efficacy, and the plant extract needs to be used for multiple times; the action effect is greatly influenced by the soil condition, and particularly when the soil is used in acid soil, the action effect is greatly reduced; poor stability, easy agglomeration and caking in long-term storage, and reduced action effect.
In order to solve the problems, the most commonly used method at present is to compound the plant extract with other biological agents and stabilizing aids, but the plant extract and the other biological agents may affect each other, so that the respective action effects are reduced; the stabilizing auxiliary has short action time and poor ultraviolet resistance, and can lose effect quickly under the action of ultraviolet rays, so that the effect of improving the action time of the biological agent is small.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a biological agent for promoting plant growth and development and a preparation method thereof, which can simultaneously realize the functions of promoting the growth and development of crops, improving the yield of the crops and the quality of agricultural products, improving the stress resistance of the crops, prolonging the action time, and having small influence on the action effect by soil conditions and high storage stability.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a preparation method of a biological agent for promoting plant growth and development comprises the following steps: preparing carrier, preparing seaweed extract, preparing effective components, immobilizing, and post-treating;
the preparation method of the carrier comprises the steps of respectively crushing attapulgite and calcium carbonate to a particle size of 400-600 meshes, and uniformly mixing the crushed attapulgite and the crushed calcium carbonate to obtain mixed powder; adding the mixed powder into the mixed solution, stirring at 15-35 ℃, adding a first part of sodium hyaluronate, stirring at 15-35 ℃, adding poly-L-lysine, stirring at 15-35 ℃, adding a second part of sodium hyaluronate, stirring at 15-35 ℃, adding dopamine hydrochloride, stirring at 15-35 ℃, filtering, and drying filter residues to obtain a carrier;
in the carrier preparation step, the mass ratio of the crushed attapulgite to the crushed calcium carbonate to the mixed solution to the first part of sodium hyaluronate to the poly-L-lysine to the second part of sodium hyaluronate to the dopamine hydrochloride is 200-210:1000-1100:3000-3200:24-26:28-30:24-26:5-6;
the molecular weight of the first part of sodium hyaluronate and the second part of sodium hyaluronate is 20-40kDa;
the molecular weight of the poly-L-lysine is 4-7 ten thousand;
the preparation method of the mixed solution comprises the steps of uniformly mixing tris (hydroxymethyl) aminomethane hydrochloride, sodium chloride and water to obtain the mixed solution;
in the preparation of the mixed solution, the mass ratio of the tris (hydroxymethyl) aminomethane hydrochloride to the sodium chloride to the water is 0.05-0.06:26-28:3000-3200;
the preparation method of the seaweed extract comprises sun-drying Cyrtymenia Sparsa, washing sun-dried Cyrtymenia Sparsa with deionized water, freeze-drying, and pulverizing to obtain seaweed powder; mixing seaweed powder with deionized water, heating at 90-95deg.C, naturally cooling to room temperature, centrifuging, collecting supernatant, filtering with ultrafiltration membrane, collecting the filtrate, concentrating the filtrate, and lyophilizing to obtain primary seaweed extract; completely soaking nano zeolite powder in sodium alginate aqueous solution, carrying out ultrasonic vibration, filtering, and drying filter residues to obtain modified zeolite powder; mixing the primary seaweed extract with modified zeolite powder, and performing ball milling to obtain a seaweed extract;
in the step of preparing the seaweed extract, the mass ratio of seaweed powder to deionized water to nano zeolite powder to sodium alginate aqueous solution is 20-22:1100-1200:10-10.5:800-850;
the mass fraction of the sodium alginate aqueous solution is 0.9-1%;
the molecular weight cut-off of the ultrafiltration membrane is 3-4kDa;
the particle size of the nano zeolite powder is 200-300nm;
the preparation of the active ingredients comprises the steps of uniformly mixing chitosan oligosaccharide, humic acid, L-glycine, L-lysine and seaweed extract to obtain the active ingredients;
in the step of preparing the active ingredients, the mass ratio of the chitosan oligosaccharide, the humic acid, the L-glycine, the L-lysine and the seaweed extract is 5-6:20-25:0.2-0.3:0.3:30-32;
the solid-supported step is that the solid-supported object is obtained by ball milling after mixing the carrier, the active ingredient and the sodium carboxymethyl cellulose;
in the immobilization step, the mass ratio of the carrier to the active ingredient to the sodium carboxymethylcellulose is 80-85:20-22:3-4;
the post-treatment step is that soybean lecithin, nano hydroxyapatite, polyethylene glycol 400 and water are uniformly mixed to obtain spray liquid; uniformly spraying the spraying liquid on the surface of the solid carrier, and drying after the spraying is finished to obtain a biological preparation for promoting the growth and development of plants;
in the post-treatment step, the mass ratio of the soybean lecithin to the nano hydroxyapatite to the polyethylene glycol 400 to the water to the solid carrier is 5-6:7-8:15-16:100-110:500-520;
the temperature during spraying is 40-50 ℃, and the spraying speed is 6-7g/min.
The particle size of the nano hydroxyapatite is 50-100nm.
A biological preparation for promoting plant growth and development is prepared by the above preparation method.
Compared with the prior art, the invention has the beneficial effects that:
(1) The preparation method of the biological agent for promoting plant growth and development of the invention can enhance the functions of the biological agent for promoting the growth and development of crops and improving the yield of crops and prolong the acting time of the biological agent simultaneously by carrying out the subsequent treatment on the mixed powder and the post-treatment on the solid carrier in the carrier preparation step, the biological agent for promoting the plant growth and development prepared by the invention is used in tomato planting fields with 1 percent of soil salt content, is sprayed once before the transplanting of tomato seedlings, is sprayed once after the first fertilization, is not sprayed again after the first fertilization, and can reach the yield of 1801.4-1857.7kg/100m of tomatoes 2 ；
(2) According to the preparation method of the biological agent for promoting plant growth and development, through post-treatment of the solid carrier, the stress resistance of the biological agent to crops can be enhanced, and the biological agent prepared by the preparation method is used in a tomato planting field with 1% of soil salt content, so that the survival rate of tomato seedlings can reach 96-97%;
(3) According to the preparation method of the biological agent for promoting plant growth and development, through carrying out subsequent treatment on the mixed powder and post treatment on the solid carrier in the carrier preparation step, the effect of the prepared biological agent on improving the quality of agricultural products can be enhanced, and the biological agent prepared by the preparation method is used in tomato planting places with 1% of salt content in soil, and the lycopene content in the harvested tomatoes can reach 77.4-78.7mg/kg;
(4) The preparation method of the biological agent for promoting plant growth and development can reduce the influence of soil conditions on the action effect of the preparation of the biological agent by carrying out post-treatment on the immobilized matter, and the biological agent prepared by the invention is used in cucumber planting fields with soil pH of 5.5, and the yield of cucumbers can reach 38.7-39.5kg/10m 2 The average value of the single plant yield can reach 1.32-1.37kg;
(5) According to the preparation method of the biological agent for promoting plant growth and development, disclosed by the invention, the storage stability of the prepared biological agent can be improved by carrying out subsequent treatment on the mixed powder and post-treatment on the solid carrier in the carrier preparation step, and the biological agent is placed in an environment with the temperature of 40 ℃ and the humidity of 65% for 100 days in an open manner, so that agglomeration and caking are avoided; the biological agent placed for 100 days in an open way is applied to cucumber planting lands with soil pH of 5.5, and the yield of the cucumbers can reach 38.4-39.3kg/10m 2 The average yield of the single plant can reach 1.30-1.36kg.
Detailed Description
Specific embodiments of the present invention will now be described in order to provide a clearer understanding of the technical features, objects and effects of the present invention.
Example 1
A preparation method of a biological agent for promoting plant growth and development specifically comprises the following steps:
1. preparing a carrier: respectively crushing attapulgite and calcium carbonate to a particle size of 400 meshes, and uniformly mixing 200g of crushed attapulgite and 1000g of crushed calcium carbonate to obtain mixed powder; adding 3000g of mixed powder into the mixed solution, stirring at 15 ℃ for 20min at a stirring speed of 100rpm, adding 24g of sodium hyaluronate, stirring at 15 ℃ for 50min at a stirring speed of 100rpm, adding 28g of poly-L-lysine, stirring at 15 ℃ for 100min at a stirring speed of 100rpm, adding 24g of sodium hyaluronate, stirring at 15 ℃ for 50min at a stirring speed of 100rpm, adding 5g of dopamine hydrochloride, stirring at 15 ℃ for 70min at a stirring speed of 100rpm, filtering, and drying filter residues at 120 ℃ to obtain a carrier;
the preparation method of the mixed solution comprises the following steps: uniformly mixing 0.05g of tris (hydroxymethyl) aminomethane hydrochloride, 26g of sodium chloride and 3000g of water to obtain a mixed solution;
the molecular weight of the sodium hyaluronate is 20kDa;
the molecular weight of the poly-L-lysine is 4 ten thousand;
2. preparing seaweed extract: sun-drying Cyrtymenia Sparsa, washing with deionized water for 2 times, freeze-drying at-40deg.C for 9 hr, and pulverizing to 600 mesh to obtain Sargassum powder; mixing 20g of seaweed powder with 1100g of deionized water, heating at 90 ℃ for 40min, naturally cooling to room temperature, centrifuging, controlling the rotation speed at 4000rpm for 6min, collecting supernatant after centrifuging, filtering the supernatant by using an ultrafiltration membrane, collecting trapped fluid after filtering, concentrating the trapped fluid, controlling the concentration temperature at 30 ℃ and the pressure at 0.2MPa, concentrating until the dehydration amount is 40%, and freeze-drying at-40 ℃ for 9h to obtain a primary seaweed extract; completely soaking 10g of nano zeolite powder in 800g of sodium alginate aqueous solution with the mass fraction of 0.9%, carrying out ultrasonic oscillation at an ultrasonic frequency of 20kHz for 30min, stopping ultrasonic oscillation, filtering, and drying filter residues at 120 ℃ to obtain modified zeolite powder; mixing the primary seaweed extract with modified zeolite powder, performing ball milling, controlling the ball-material ratio of ball milling to be 10:1, the rotating speed to be 300rpm, and the time to be 30min, and obtaining the seaweed extract after the ball milling is finished;
the molecular weight cut-off of the ultrafiltration membrane is 3kDa;
the particle size of the nano zeolite powder is 200nm;
3. the preparation method comprises the following steps: uniformly mixing 5g of chitosan oligosaccharide, 20g of humic acid, 0.2g of L-glycine, 0.3g of L-lysine and 30g of seaweed extract to obtain an effective component;
4. and (3) immobilization: mixing 80g of carrier, 20g of active ingredient and 3g of sodium carboxymethylcellulose, performing ball milling, controlling the ball-material ratio of ball milling to be 10:1, the rotating speed to be 300rpm, and the time to be 50min, and obtaining the solid carrier after the ball milling is finished;
5. post-treatment: uniformly mixing 5g of soybean lecithin, 7g of nano hydroxyapatite, 15g of polyethylene glycol 400 and 100g of water to obtain a spray liquid; uniformly spraying the spraying liquid on the surface of 500g of solid carrier, controlling the spraying temperature to be 40 ℃ and the spraying speed to be 6g/min, and drying at 80 ℃ after the spraying is finished to obtain a biological agent for promoting the growth and development of plants;
the particle size of the nano hydroxyapatite is 50nm.
Example 2
A preparation method of a biological agent for promoting plant growth and development specifically comprises the following steps:
1. preparing a carrier: respectively crushing attapulgite and calcium carbonate to 500 meshes, and uniformly mixing 205g of crushed attapulgite and 1050g of crushed calcium carbonate to obtain mixed powder; adding 3100g of the mixed powder into the mixed solution, stirring at the stirring speed of 150rpm for 30min at 25 ℃, adding 25g of sodium hyaluronate, stirring at the stirring speed of 150rpm for 55min at 25 ℃, adding 29g of poly-L-lysine, stirring at the stirring speed of 150rpm for 105min at 25 ℃, adding 25g of sodium hyaluronate, stirring at the stirring speed of 150rpm for 55min at 25 ℃, adding 5.5g of dopamine hydrochloride, stirring at the stirring speed of 150rpm for 75min at 25 ℃, filtering, and drying filter residues at 125 ℃ to obtain a carrier;
the preparation method of the mixed solution comprises the following steps: uniformly mixing 0.05g of tris (hydroxymethyl) aminomethane hydrochloride, 27g of sodium chloride and 3100g of water to obtain a mixed solution;
the molecular weight of the sodium hyaluronate is 30kDa;
the molecular weight of the poly-L-lysine is 6 ten thousand;
2. preparing seaweed extract: sun-drying Cyrtymenia Sparsa, washing with deionized water for 3 times, freeze-drying at-35deg.C for 9.5 hr, and pulverizing to 800 mesh to obtain Sargassum powder; mixing 21g of seaweed powder with 1150g of deionized water, heating at 92 ℃ for 45min, naturally cooling to room temperature, centrifuging, controlling the rotation speed at 4500rpm for 7min, collecting supernatant after centrifuging, filtering the supernatant by using an ultrafiltration membrane, collecting trapped fluid after filtering, concentrating the trapped fluid, controlling the concentration temperature at 35 ℃ and the pressure at 0.3MPa, concentrating to 45%, and freeze-drying at-35 ℃ for 9.5h to obtain primary seaweed extract; completely soaking 10.2g of nano zeolite powder in 820g of sodium alginate aqueous solution with the mass fraction of 0.95%, carrying out ultrasonic oscillation at an ultrasonic frequency of 25kHz, stopping ultrasonic oscillation after 35min, filtering, and drying filter residues at 125 ℃ to obtain modified zeolite powder; mixing the primary seaweed extract with modified zeolite powder, performing ball milling, controlling the ball-to-material ratio of ball milling to be 12:1, rotating at 350rpm for 35min, and obtaining the seaweed extract after ball milling;
the molecular weight cut-off of the ultrafiltration membrane is 3kDa;
the particle size of the nano zeolite powder is 250nm;
3. the preparation method comprises the following steps: uniformly mixing 5.5g of chitosan oligosaccharide, 22g of humic acid, 0.2g of L-glycine, 0.3g of L-lysine and 31g of seaweed extract to obtain an effective component;
4. and (3) immobilization: mixing 82g of carrier, 21g of active ingredient and 3.5g of sodium carboxymethylcellulose, performing ball milling, controlling the ball-material ratio of ball milling to be 12:1, the rotating speed to be 350rpm, and the time to be 55min, and obtaining the solid carrier after the ball milling is finished;
5. post-treatment: uniformly mixing 5.5g of soybean lecithin, 7.5g of nano hydroxyapatite, 15.5g of polyethylene glycol 400 and 105g of water to obtain a spray liquid; uniformly spraying the spraying liquid on the surface of 510g of solid carrier, controlling the temperature at 45 ℃ during spraying and the spraying speed at 6.5g/min, and drying at 85 ℃ after the spraying is finished to obtain a biological agent for promoting plant growth and development;
the particle size of the nano hydroxyapatite is 70nm.
Example 3
A preparation method of a biological agent for promoting plant growth and development specifically comprises the following steps:
1. preparing a carrier: respectively crushing attapulgite and calcium carbonate to 600 meshes, and uniformly mixing 210g of crushed attapulgite and 1100g of crushed calcium carbonate to obtain mixed powder; adding the mixed powder into 3200g of mixed solution, stirring at 35 ℃ for 40min at a stirring speed of 200rpm, adding 26g of sodium hyaluronate, stirring at 35 ℃ for 60min at a stirring speed of 200rpm, adding 30g of poly-L-lysine, stirring at 35 ℃ for 110min at a stirring speed of 200rpm, adding 26g of sodium hyaluronate, stirring at 35 ℃ for 60min at a stirring speed of 200rpm, adding 6g of dopamine hydrochloride, stirring at 35 ℃ for 80min at a stirring speed of 200rpm, filtering, and drying filter residues at 130 ℃ to obtain a carrier;
the preparation method of the mixed solution comprises the following steps: uniformly mixing 0.06g of tris (hydroxymethyl) aminomethane hydrochloride, 28g of sodium chloride and 3200g of water to obtain a mixed solution;
the molecular weight of the sodium hyaluronate is 40kDa;
the molecular weight of the poly-L-lysine is 7 ten thousand;
2. preparing seaweed extract: sun-drying Cyrtymenia Sparsa, washing with deionized water for 3 times, freeze-drying at-30deg.C for 10 hr, and pulverizing to 1000 mesh to obtain Sargassum powder; mixing 22g of seaweed powder with 1200g of deionized water, heating at 95 ℃ for 50min, naturally cooling to room temperature, centrifuging, controlling the rotation speed at 5000rpm for 8min, collecting supernatant after centrifuging, filtering the supernatant by using an ultrafiltration membrane, collecting trapped fluid after filtering, concentrating the trapped fluid, controlling the concentration temperature at 40 ℃ and the pressure at 0.3MPa, concentrating to 50% of dewatering amount, and freeze-drying at-30 ℃ for 10h to obtain primary seaweed extract; completely soaking 10.5g of nano zeolite powder in 850g of sodium alginate aqueous solution with the mass fraction of 1%, carrying out ultrasonic oscillation at an ultrasonic frequency of 30kHz, stopping ultrasonic oscillation after 40min, filtering, and drying filter residues at 130 ℃ to obtain modified zeolite powder; mixing the primary seaweed extract with modified zeolite powder, performing ball milling, controlling the ball-to-material ratio of ball milling to be 15:1, the rotating speed to be 400rpm, and the time to be 40min, and obtaining the seaweed extract after the ball milling is finished;
the molecular weight cut-off of the ultrafiltration membrane is 4kDa;
the particle size of the nano zeolite powder is 300nm;
3. the preparation method comprises the following steps: uniformly mixing 6g of chitosan oligosaccharide, 25g of humic acid, 0.3g of L-glycine, 0.3g of L-lysine and 32g of seaweed extract to obtain an effective component;
4. and (3) immobilization: mixing 85g of carrier, 22g of active ingredient and 4g of sodium carboxymethylcellulose, performing ball milling, controlling the ball-material ratio of ball milling to be 15:1, the rotating speed to be 400rpm, and the time to be 60min, and obtaining the solid carrier after the ball milling is finished;
5. post-treatment: uniformly mixing 6g of soybean lecithin, 8g of nano hydroxyapatite, 16g of polyethylene glycol 400 and 110g of water to obtain a spray liquid; uniformly spraying the spraying liquid on the surface of 520g of solid carrier, controlling the spraying temperature to be 50 ℃, the spraying speed to be 7g/min, and drying at 90 ℃ after the spraying is finished to obtain a biological agent for promoting the growth and development of plants;
the particle size of the nano hydroxyapatite is 100nm.
Comparative example 1
The preparation method of the biological agent for promoting plant growth and development described in the embodiment 2 is different in that: in the step 1 of preparing the carrier, the mixed powder is omitted from subsequent treatment, namely the step 1 of preparing the carrier is changed into:
respectively crushing attapulgite and calcium carbonate to a particle size of 500 meshes, and uniformly mixing 205g of crushed attapulgite and 1050g of crushed calcium carbonate to obtain a carrier.
Comparative example 2
The preparation method of the biological agent for promoting plant growth and development described in the embodiment 2 is different in that: the 5 th post-treatment step is omitted.
Test example 1
The biological agents for promoting plant growth and development prepared in examples 1-3 and comparative examples 1-2 were used for greenhouse tomato planting, specifically:
selecting a tomato planting greenhouse from the longevity lights of Weifang, shandong province, and isolating a piece of tomato planting greenhouse with an area of 600m 2 The tomato planting land of (2) is divided into 6 blocks with each block being 100m 2 Marking each tomato planting place, namely 1-6 tomato planting places, physically isolating 1-6 tomato planting places, and then using saturated sodium chloride aqueous solution to make 1-The salt content of soil of a No. 5 tomato planting field is controlled to be 1%, and then the biological agents which are prepared in the examples 1-3 and the comparative examples 1-2 and used for promoting the growth and the development of plants are respectively added into water with the weight of 10 times, and the biological agents are uniformly dispersed to obtain biological agent diluent which is used for promoting the growth and the development of plants;
the first spraying treatment is carried out by using biological agent diluents for promoting the growth and development of plants, specifically, the biological agent diluents for promoting the growth and development of plants are respectively and uniformly sprayed in the No. 1-5 tomato planting land, the dosage of the biological agent diluents for promoting the growth and development of plants in the No. 1-5 tomato planting land is controlled to be 300g, and the corresponding relation during the spraying is as follows:
the tomato planting field No. 6 is used as a blank control, a saturated sodium chloride solution is not used, and 300g of water is uniformly sprayed;
transplanting tomato seedlings in the next day after the spraying is finished, wherein the tomato planting variety is medium-mixed 301, so that the transplanting density, water and fertilizer management and pesticide management of the No. 1-6 tomato planting land are the same, and the second spraying treatment is performed according to the first spraying treatment method on the 2 nd day after the first fertilization;
on the 15 th day after the second spraying treatment, the survival rate of tomato seedlings is counted, and the counting result is as follows:
after the second spraying treatment, the biological agent diluent for promoting the growth and development of plants is not sprayed any more, the water and fertilizer management and pesticide management are carried out according to the conventional method, after tomatoes are harvested, the yield of No. 1-6 tomato planting sites is counted, and the statistical result is as follows:
5 tomatoes are randomly extracted from tomatoes harvested in the tomato planting land of No. 1-6, the lycopene content is tested respectively, the average value of the lycopene content in the tomatoes harvested in each tomato planting land is calculated, and the calculation result is as follows:
from the above results, it is known that the following treatment of the mixed powder in the step of preparing the carrier can promote the growth and development of tomatoes, increase the yield of tomatoes, improve the quality of tomatoes and prolong the action time of the biological agent; by post-treatment of the solid carrier, the stress resistance of the tomatoes can be improved, the growth and development of the tomatoes can be promoted, the yield of the tomatoes can be increased, and the quality of the tomatoes can be improved;
the mixed powder is subjected to subsequent treatment, mainly in a multi-layer coating process, and the fixing capability of the effective components can be improved by carrying out multi-layer coating on the mixed powder, so that the acting time of the biological agent is prolonged, and the coating film of the multi-layer coated mixed powder can also play a role in improving the quality of tomatoes after the release of the effective components is finished;
the post-treatment of the solid-supported matter is mainly carried out by adding a layer of coating film formed by soybean lecithin, nano-hydroxyapatite and polyethylene glycol 400 on the outer layer of the solid-supported matter, so that the soybean lecithin and the nano-hydroxyapatite can improve the stress resistance of tomatoes, the coating film can also play a role in slow release, and meanwhile, the acting time of biological agents is prolonged, and meanwhile, the soybean lecithin and the nano-hydroxyapatite can also cooperate with active ingredients to further improve the yield of tomatoes and the quality of tomatoes.
Test example 2
The biological agents for promoting plant growth and development prepared in examples 1-3 and comparative examples 1-2 were used for open-air cucumber planting, specifically:
selecting an open cucumber planting field from the longevity lights of Weifang, shandong province, and isolating an area of 50m 2 The cucumber planting land of (2) is divided into 5 blocks with each block being 10m 2 For each block respectivelyMarking cucumber planting lands, namely marking cucumber planting lands 1-5, physically isolating cucumber planting lands 1-5, and then adjusting the pH of soil of the cucumber planting lands 1-5 to 5.5 by using a sulfuric acid aqueous solution with the mass fraction of 1%; then, seeding the cucumber on the cucumber planting field 1-5, wherein the cucumber planting variety is Dridet D19, and controlling the cucumber seeding density, water fertilizer management and pesticide management of the cucumber planting field 1-5 to be the same;
the biological agent diluents for promoting the growth and development of the plants are used for carrying out the first spraying treatment in the seedling stage of the cucumbers, specifically, the biological agents prepared in the examples 1-3 and the comparative examples 1-2 are respectively added into 10 times of water, the biological agent diluents for promoting the growth and development of the plants are uniformly dispersed, the biological agent diluents for promoting the growth and development of the plants are obtained, the foliage spraying of the biological agent diluents for promoting the growth and development of the plants is carried out on the cucumber planting fields No. 1-5, the dosage of the biological agent diluents for promoting the growth and development of the plants in the cucumber planting fields No. 1-5 is controlled to be 50g, and the corresponding relation during spraying is as follows:
starting in the early flowering period of the cucumber, performing second spraying treatment according to the method of the first spraying treatment, and performing third spraying treatment according to the method of the first spraying treatment after 15 days; in the cucumber harvesting period, the average value of the total yield and the individual yield of cucumber planting fields No. 1-5 is counted, and the counting result is as follows:
from the above results, it can be seen that the effect of soil conditions on biological agents can be reduced by post-treatment of the solid carrier;
the coating film of the outer layer of the solid-supported object can protect the effective components and can avoid the influence of soil conditions on the action of the effective components.
Test example 3
The biological agents for promoting plant growth and development prepared in examples 1 to 3 and comparative examples 1 to 2 were left open for 100d in an environment at 40℃and 65% humidity, and then observed for the presence of agglomeration or caking, as follows:
the biological agent for promoting plant growth and development after being placed for 100 days in an open place is completely used in open cucumber planting according to the method of the embodiment 2, and finally the average value of the total yield and the individual yield of cucumber planting fields 1-5 is counted, and the counting result is as follows:
from the above results, it can be seen that the storage stability of the biological agent can be improved by performing the subsequent treatment of the mixed powder and the post-treatment of the solid carrier in the carrier preparation step; the coating film of the outer layer of the mixed powder and the coating film of the outer layer of the solid carrier can play a role in stabilizing, so that the problems of agglomeration and caking of biological agents and the occurrence of decline of the action effect in long-term storage are avoided.
The percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The preparation method of the biological agent for promoting the growth and development of plants is characterized by comprising the following steps: preparing carrier, preparing seaweed extract, preparing effective components, immobilizing, and post-treating;
the preparation method of the carrier comprises the steps of respectively crushing attapulgite and calcium carbonate to a particle size of 400-600 meshes, and uniformly mixing the crushed attapulgite and the crushed calcium carbonate to obtain mixed powder; adding the mixed powder into the mixed solution, stirring at 15-35 ℃, adding a first part of sodium hyaluronate, stirring at 15-35 ℃, adding poly-L-lysine, stirring at 15-35 ℃, adding a second part of sodium hyaluronate, stirring at 15-35 ℃, adding dopamine hydrochloride, stirring at 15-35 ℃, filtering, and drying filter residues to obtain a carrier;
in the carrier preparation step, the mass ratio of the crushed attapulgite to the crushed calcium carbonate to the mixed solution to the first part of sodium hyaluronate to the poly-L-lysine to the second part of sodium hyaluronate to the dopamine hydrochloride is 200-210:1000-1100:3000-3200:24-26:28-30:24-26:5-6;
the preparation method of the mixed solution comprises the steps of uniformly mixing tris (hydroxymethyl) aminomethane hydrochloride, sodium chloride and water to obtain the mixed solution;
in the preparation of the mixed solution, the mass ratio of the tris (hydroxymethyl) aminomethane hydrochloride to the sodium chloride to the water is 0.05-0.06:26-28:3000-3200;
the preparation of the active ingredients comprises the steps of uniformly mixing chitosan oligosaccharide, humic acid, L-glycine, L-lysine and seaweed extract to obtain the active ingredients;
the solid-supported step is that the solid-supported object is obtained by ball milling after mixing the carrier, the active ingredient and the sodium carboxymethyl cellulose;
the post-treatment step is that soybean lecithin, nano hydroxyapatite, polyethylene glycol 400 and water are uniformly mixed to obtain spray liquid; uniformly spraying the spraying liquid on the surface of the solid carrier, and drying after the spraying is finished to obtain a biological preparation for promoting the growth and development of plants;
in the post-treatment step, the mass ratio of the soybean lecithin to the nano hydroxyapatite to the polyethylene glycol 400 to the water to the solid carrier is 5-6:7-8:15-16:100-110:500-520.
2. The method for producing a biological agent for promoting plant growth and development according to claim 1, wherein in the step of producing a carrier, the molecular weight of the first part of sodium hyaluronate and the second part of sodium hyaluronate is 20 to 40kDa;
the molecular weight of the poly-L-lysine is 4-7 ten thousand.
3. The method for preparing a biological agent for promoting plant growth and development according to claim 1, wherein the step of preparing the seaweed extract comprises the steps of sun-drying sargassum fusiforme, washing the sun-dried sargassum fusiforme with deionized water, freeze-drying, and pulverizing to obtain seaweed powder; mixing seaweed powder with deionized water, heating at 90-95deg.C, naturally cooling to room temperature, centrifuging, collecting supernatant, filtering with ultrafiltration membrane, collecting the filtrate, concentrating the filtrate, and lyophilizing to obtain primary seaweed extract; completely soaking nano zeolite powder in sodium alginate aqueous solution, carrying out ultrasonic vibration, filtering, and drying filter residues to obtain modified zeolite powder; mixing the primary seaweed extract with modified zeolite powder, and performing ball milling to obtain the seaweed extract.
4. The method for preparing a biological agent for promoting plant growth and development according to claim 3, wherein in the step of preparing the seaweed extract, the mass ratio of seaweed powder, deionized water, nano zeolite powder and sodium alginate aqueous solution is 20-22:1100-1200:10-10.5:800-850;
the mass fraction of the sodium alginate aqueous solution is 0.9-1%;
the molecular weight cut-off of the ultrafiltration membrane is 3-4kDa;
the particle size of the nano zeolite powder is 200-300nm.
5. The method for preparing a biological agent for promoting plant growth and development according to claim 1, wherein in the step of preparing the active ingredient, the mass ratio of chitosan oligosaccharide, humic acid, L-glycine, L-lysine and seaweed extract is 5-6:20-25:0.2-0.3:0.3:30-32.
6. The method for preparing a biological agent for promoting plant growth and development according to claim 1, wherein in the immobilization step, the mass ratio of the carrier, the active ingredient and sodium carboxymethyl cellulose is 80-85:20-22:3-4.
7. The method for preparing a biological agent for promoting plant growth and development according to claim 1, wherein the spraying temperature is 40-50 ℃ and the spraying speed is 6-7g/min;
the particle size of the nano hydroxyapatite is 50-100nm.
8. A biological agent for promoting plant growth and development, characterized by being prepared by the preparation method of any one of claims 1 to 7.
CN202311301170.9A 2023-10-10 2023-10-10 Biological agent for promoting plant growth and development and preparation method thereof Active CN117044714B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311301170.9A CN117044714B (en) 2023-10-10 2023-10-10 Biological agent for promoting plant growth and development and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311301170.9A CN117044714B (en) 2023-10-10 2023-10-10 Biological agent for promoting plant growth and development and preparation method thereof

Publications (2)

Publication Number Publication Date
CN117044714A CN117044714A (en) 2023-11-14
CN117044714B true CN117044714B (en) 2023-12-26

Family

ID=88653898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311301170.9A Active CN117044714B (en) 2023-10-10 2023-10-10 Biological agent for promoting plant growth and development and preparation method thereof

Country Status (1)

Country Link
CN (1) CN117044714B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101019535A (en) * 2007-02-14 2007-08-22 山东省烟台市农业科学研究院 Germicide composition containing captan and possessing synergy
AU2008278988A1 (en) * 2007-07-20 2009-01-29 Universidad Politecnica De Valencia Formulation for the release of bioactive substances and use thereof as a pest control agent
CN107183019A (en) * 2017-06-01 2017-09-22 华中农业大学 A kind of compound bio charcoal base carrier and preparation method and application with pesticide slow-release performance
CN107568214A (en) * 2017-09-28 2018-01-12 中国农业科学院农业环境与可持续发展研究所 A kind of pesticidal solid Nanodispersion and preparation method thereof
CN111567567A (en) * 2020-05-18 2020-08-25 北京锦绣新技术发展有限公司 Nano material copolymerized mineral and plant extract insecticidal bactericide and preparation method thereof
CN113727703A (en) * 2019-03-28 2021-11-30 Sisaf有限公司 Carrier system for preparing herbal extracts
CN114794119A (en) * 2022-06-30 2022-07-29 山东百农思达生物科技有限公司 Plant growth regulator containing brassinolide and preparation method thereof
CN115028496A (en) * 2022-08-12 2022-09-09 潍坊市阳光化工股份有限公司 Saline-alkali tolerant plant growth promoter and preparation method and application thereof
CN115024326A (en) * 2022-08-12 2022-09-09 山东爱普生农业发展有限公司 Slow-release plant growth regulator and preparation method and application thereof
CN116283418A (en) * 2023-05-25 2023-06-23 地康食安(北京)农业科技有限公司 Plant growth promoter immobilized with microorganism and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8932634B2 (en) * 2006-06-15 2015-01-13 Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd Hydrocolloid carrier beads with inert filler material
US20220204420A1 (en) * 2011-06-06 2022-06-30 Carbon Technology Holdings, LLC Mineral solubilizing microorganism infused biochars

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101019535A (en) * 2007-02-14 2007-08-22 山东省烟台市农业科学研究院 Germicide composition containing captan and possessing synergy
AU2008278988A1 (en) * 2007-07-20 2009-01-29 Universidad Politecnica De Valencia Formulation for the release of bioactive substances and use thereof as a pest control agent
CN107183019A (en) * 2017-06-01 2017-09-22 华中农业大学 A kind of compound bio charcoal base carrier and preparation method and application with pesticide slow-release performance
CN107568214A (en) * 2017-09-28 2018-01-12 中国农业科学院农业环境与可持续发展研究所 A kind of pesticidal solid Nanodispersion and preparation method thereof
CN113727703A (en) * 2019-03-28 2021-11-30 Sisaf有限公司 Carrier system for preparing herbal extracts
CN111567567A (en) * 2020-05-18 2020-08-25 北京锦绣新技术发展有限公司 Nano material copolymerized mineral and plant extract insecticidal bactericide and preparation method thereof
CN114794119A (en) * 2022-06-30 2022-07-29 山东百农思达生物科技有限公司 Plant growth regulator containing brassinolide and preparation method thereof
CN115028496A (en) * 2022-08-12 2022-09-09 潍坊市阳光化工股份有限公司 Saline-alkali tolerant plant growth promoter and preparation method and application thereof
CN115024326A (en) * 2022-08-12 2022-09-09 山东爱普生农业发展有限公司 Slow-release plant growth regulator and preparation method and application thereof
CN116283418A (en) * 2023-05-25 2023-06-23 地康食安(北京)农业科技有限公司 Plant growth promoter immobilized with microorganism and preparation method thereof

Also Published As

Publication number Publication date
CN117044714A (en) 2023-11-14

Similar Documents

Publication Publication Date Title
CN103641637A (en) Sustained-release compound fertilizer and preparation method thereof
CN113243394A (en) Concentrated algae extracts, methods of production and use thereof in agriculture
CN109121952B (en) Planting method for comprehensively preventing and treating citrus greening disease
CN104909870A (en) Saline-alkaline and hardened soil improvement and remediation agent
CN1269339A (en) Method for producing extracted liquor of seaweed for promoting growth of plant, obtained seaweed extracted liquor and compound fertilizer thereof
CN102584429B (en) High-concentration ecological compound fertilizer, preparation method and application in agricultural and forestry production
CN101805225A (en) Method for preparing growth promoter for edible fungi and application thereof
KR101285792B1 (en) Fertillizer composition comprising silicic acid, chitosan and humic acid, and manufacturing method thereof
CN105028528A (en) Pesticide for preventing and controlling cotton anthracnose
CN102417425B (en) Novel ecological slow release carbamide compound, and preparation method and application thereof in production of agriculture or forestry
CN117044714B (en) Biological agent for promoting plant growth and development and preparation method thereof
CN112521214A (en) Medium-element water-soluble fertilizer powder for tomatoes and preparation method thereof
CN110028358B (en) Coastal saline-alkali soil salt-control alkali-reduction soil improvement method based on dominant compatibility of controlled release fertilizer, plant immunity inducer and organic fertilizer
CN104261962A (en) Organic fertilizer for pear tree planting and preparation method thereof
KR100927314B1 (en) The cultivation method of tomatos having the high content of calcium and the excellent value of commodities
CN104909885A (en) Compound pesticide-fertilizer composition capable of controlling powdery mildew of Cedrela sinensis, and production method and application thereof
CN108849998B (en) Composite nano germination accelerator
CN112645754A (en) Slow-release material and slow-release fertilizer using traditional Chinese medicine waste as raw material and preparation method thereof
CN114196412A (en) Soil conditioner capable of improving micro-domain environment around crop roots in saline-alkali soil farmland
CN107244983A (en) A kind of long-acting foliar fertilizer of soil retting extract solution and preparation method thereof
CN113880659B (en) Composite mineral medicament for preventing and treating root rot of fruit trees
CN109053310A (en) A kind of soil conditioner for blueberry plantation
CN107266208A (en) A kind of continuation yeast fermentation extract solution foliar fertilizer and preparation method thereof
CN105967843A (en) Nutritional agent for promoting growth of Pinus thunbergii seedlings
CN107382478A (en) A kind of extract solution foliar fertilizer of liquid state fermentation chelant and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant