CN112979371A - Soil conditioner for nursery stock planting, preparation method and improvement method thereof - Google Patents
Soil conditioner for nursery stock planting, preparation method and improvement method thereof Download PDFInfo
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- CN112979371A CN112979371A CN202110297293.4A CN202110297293A CN112979371A CN 112979371 A CN112979371 A CN 112979371A CN 202110297293 A CN202110297293 A CN 202110297293A CN 112979371 A CN112979371 A CN 112979371A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 44
- 239000003516 soil conditioner Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006872 improvement Effects 0.000 title claims description 8
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical class C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000002689 soil Substances 0.000 claims abstract description 42
- 230000000813 microbial effect Effects 0.000 claims abstract description 17
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims abstract description 15
- 241000272525 Anas platyrhynchos Species 0.000 claims abstract description 11
- 241000287828 Gallus gallus Species 0.000 claims abstract description 11
- 210000003608 fece Anatomy 0.000 claims abstract description 11
- 235000021388 linseed oil Nutrition 0.000 claims abstract description 11
- 239000000944 linseed oil Substances 0.000 claims abstract description 11
- 239000010871 livestock manure Substances 0.000 claims abstract description 11
- 239000010902 straw Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004021 humic acid Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 6
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 10
- 229960001701 chloroform Drugs 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 241000589151 Azotobacter Species 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 10
- 230000004083 survival effect Effects 0.000 description 9
- 239000003607 modifier Substances 0.000 description 6
- 241000589180 Rhizobium Species 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000021749 root development Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229960001471 sodium selenite Drugs 0.000 description 1
- 239000011781 sodium selenite Substances 0.000 description 1
- 235000015921 sodium selenite Nutrition 0.000 description 1
- 239000002364 soil amendment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The application relates to the field of seedling planting, and particularly discloses a soil conditioner for seedling planting, which is prepared from the following raw materials in parts by weight: comprises 22-30 parts of bentonite, 4-9 parts of straws, 3-6 parts of linseed oil residue, 1-3 parts of a composite microbial preparation, 1-3 parts of humic acid, 12-20 parts of chicken and duck manure and 1-5 parts of modified 3-indoleacetic acid; wherein the modified 3-indoleacetic acid is prepared by reacting octadecylamine and 3-indoleacetic acid; has the advantage of making the root system of the seedling easy to root; in addition, the application also provides a preparation method of the soil conditioner for seedling planting and a soil conditioning method for seedling planting.
Description
Technical Field
The application relates to the field of seedling planting, in particular to a soil conditioner for seedling planting, a preparation method and a modification method thereof.
Background
The planting technology and method of nursery stock are widely applied to garden engineering, in the process of nursery stock cultivation, the nursery stock needs to be planted in soil, and after the nursery stock roots take roots in the soil, the nursery stock can survive. Before the nursery stock is planted, soil is improved through a soil conditioner, so that the soil is in a state suitable for the survival of the nursery stock.
In the related art, the soil conditioner generally comprises humic acid, polymethyl methacrylate, ceramsite, complex enzyme preparation, complex microorganism, sodium selenite, potassium dihydrogen phosphate, calcium carbonate, sodium aluminosilicate, organic filler and the like. The nutrient components required by the growth of the nursery stock can be met by the combination of various elements.
In view of the above-mentioned related technologies, the inventors believe that the soil conditioner, although reaching the nutrient elements required by the seedlings, sometimes causes soil hardening due to excessive use of chemical fertilizers and pesticides in the soil after the seedlings are planted in the soil, and causes poor soil permeability and slower seedling root system rooting, thereby reducing the survival rate of the seedlings.
Disclosure of Invention
In order to enable the root system of the seedling to root easily, the first purpose of the application is to provide the soil conditioner for seedling planting.
The second purpose of the application is to provide a preparation method of the soil conditioner for seedling planting.
A third object of the present application is to provide a method for improving soil for planting seedlings.
The first purpose of this application provides a soil amendment for nursery stock planting, adopts following technical scheme: the soil conditioner for nursery stock planting is prepared from the following raw materials in parts by weight: comprises 22-30 parts of bentonite, 4-9 parts of straws, 3-6 parts of linseed oil residue, 1-3 parts of a composite microbial preparation, 1-3 parts of humic acid, 12-20 parts of chicken and duck manure and 1-5 parts of modified 3-indoleacetic acid;
wherein the modified 3-indoleacetic acid is prepared by reacting octadecylamine and 3-indoleacetic acid.
By adopting the technical scheme, the nutrient elements required by the growth of the nursery stocks can be realized through the straws, the humic acid, the linseed oil residue and the chicken and duck manure, so that the nursery stocks can thrive; the compound microbial preparation and the modified 3-indoleacetic acid can promote the root development of the nursery stock, so that the nursery stock can rapidly take roots after being planted in the soil and is tightly combined with the soil, thereby improving the survival rate of the nursery stock, and the stability of the nursery stock is improved after the 3-indoleacetic acid is modified, so that the nursery stock can play a role in promoting the growth for a long time.
Preferably, the preparation steps of the modified 3-indoleacetic acid are as follows according to the parts by weight:
1) adding 10-15 parts of octadecylamine into 18-25 parts of trichloromethane, stirring until the octadecylamine is dissolved, then adding 7-9 parts of 3-indoleacetic acid, stirring uniformly, adding 3-5 parts of a condensing agent, and then stirring for reacting for 6-10 hours to obtain a solution A;
2) and adding water into the solution A, filtering to obtain a precipitate, and drying the precipitate to obtain the modified 3-indoleacetic acid.
By adopting the technical scheme, the amido on the octadecylamine is condensed with the carboxyl on the 3-indoleacetic acid to form an amide group, and the stability of the 3-indoleacetic acid is improved by utilizing the stability of the octadecylamine, so that the 3-indoleacetic acid is not easy to decompose in soil.
Preferably, the condensing agent is EDC.
By adopting the technical scheme, the condensation effect of EDC is better in the amide generation reaction.
Preferably, the reaction temperature of the step 1) is 25-40 ℃.
By adopting the technical scheme, the yield of the generated target product is higher and the reaction is more stable in the reaction temperature range.
Preferably, the volume of the water added in the step 2) is 3 to 7 times of that of the trichloromethane.
By adopting the technical scheme, the precipitation can be maximized when the amount of the added water is within the range.
Preferably, the drying in the step 2) is vacuum drying, the vacuum drying temperature is 45 ℃, and the vacuum drying time is 3-5 h.
By adopting the technical scheme, the drying efficiency can be improved by adopting vacuum drying.
Preferably, the composite microbial preparation comprises the following components in parts by weight: 1-2 parts of azotobacter and 2-3 parts of rhizobia.
The second purpose of the application is to provide a preparation method of the soil conditioner for seedling planting, which adopts the following technical scheme:
a preparation method of a soil conditioner for nursery stock planting comprises the following steps:
1) respectively crushing and drying the straws, the chicken and duck manure and the linseed oil residue;
2) and uniformly mixing the crushed straws, the chicken and duck manure and the linseed oil residue, adding the compound microbial agent, the humic acid and the modified 3-indoleacetic acid, uniformly stirring, adding the bentonite, and uniformly stirring to obtain the soil conditioner.
By adopting the technical scheme, the modifier can be obtained by crushing and uniformly mixing the raw materials, and the preparation method is simple and easy to implement.
The third purpose of the application is to provide a method for improving the soil for planting seedlings, which adopts the following technical scheme: a soil improvement method for nursery stock planting comprises the following soil improvement steps:
1) spreading the soil conditioner on the soil surface;
2) loosening and overturning the soil, smashing soil blocks, and loosening and overturning the soil for the second time.
By adopting the technical scheme, the conditioner is spread on the surface of the soil, the soil is loosened and overturned, and the soil is loosened and overturned, so that the conditioner is more uniform in the soil.
In summary, the present application has the following beneficial effects:
1. through the straw, the humic acid, the linseed oil residue and the chicken and duck manure, nutrient elements required by the growth of the nursery stock can be realized, so that the nursery stock can thrive; the compound microbial preparation and the modified 3-indoleacetic acid can promote the root development of the nursery stock, so that the nursery stock can rapidly take roots after being planted in the soil and is tightly combined with the soil, thereby improving the survival rate of the nursery stock, and the stability of the nursery stock is improved after the 3-indoleacetic acid is modified, so that the nursery stock can play a role in promoting the growth for a long time.
2. The modifier can be obtained by crushing and uniformly mixing the raw materials, and the preparation method is simple and easy to implement.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation example
Preparation example 1
The modifier of preparation example 1, whose raw materials and amounts of the raw materials are shown in table 1, was prepared by the following steps:
1) adding 15 parts of octadecylamine into 18 parts of trichloromethane, stirring until the octadecylamine is dissolved, then adding 7 parts of 3-indoleacetic acid, stirring uniformly, adding 3 parts of condensing agent and EDC, and then stirring for reacting for 10 hours to obtain a solution A;
2) adding water into the solution A, wherein the volume of the added water is 3 times that of the trichloromethane, filtering to obtain a precipitate, and drying the precipitate at 50 ℃ in vacuum for 3 hours to obtain the modified 3-indoleacetic acid.
Preparation example 2
Preparation 2 of modified 3-indoleacetic acid the procedure was as follows:
1) adding 10 parts of octadecylamine into 25 parts of trichloromethane, stirring until the octadecylamine is dissolved, then adding 8 parts of 3-indoleacetic acid, stirring uniformly, adding 4 parts of condensing agent and EDC, and then stirring for reacting for 8 hours to obtain a solution A;
2) adding water into the solution A, wherein the volume of the added water is 5 times that of the trichloromethane, filtering to obtain a precipitate, and drying the precipitate at 47 ℃ in vacuum for 4 hours to obtain the modified 3-indoleacetic acid.
Preparation example 3
Preparation 3 of modified 3-indoleacetic acid as follows:
1) adding 13 parts of octadecylamine into 22 parts of trichloromethane, stirring until the octadecylamine is dissolved, then adding 9 parts of 3-indoleacetic acid, stirring uniformly, adding 5 parts of condensing agent and EDC, and then stirring for reacting for 6 hours to obtain a solution A;
2) adding water into the solution A, wherein the volume of the added water is 7 times that of the trichloromethane, filtering to obtain a precipitate, and drying the precipitate at 45 ℃ in vacuum for 5 hours to obtain the modified 3-indoleacetic acid.
Preparation example 4
A composite microbial preparation comprises 1kg of azotobacter and 3kg of rhizobium, and the azotobacter and the rhizobium are mixed uniformly to obtain the composite microbial preparation.
Preparation example 5
A complex microbial preparation comprising: 2kg of azotobacter and 2kg of rhizobium, and mixing the azotobacter and the rhizobium uniformly to obtain the composite microbial preparation.
Examples
Examples 1 to 5
The modifier of examples 1-5, whose raw materials and amounts are shown in Table 1, was prepared by the following steps:
1) respectively crushing and drying the straws, the chicken and duck manure and the linseed oil residue;
2) uniformly mixing the crushed straws, the chicken and duck manure and the linseed oil residue, adding the compound microbial agent, the humic acid and the modified 3-indoleacetic acid, uniformly stirring, adding the bentonite, and uniformly stirring to obtain a modifier;
among them, modified 3-indoleacetic acid was obtained in preparation example 1, and the complex microbial preparation was obtained in preparation example 4.
TABLE 1 raw materials and amounts of raw materials of the improvers of preparation examples 1 to 5
Examples 6 to 9
The soil conditioner for growing seedlings of examples 6 to 9 is different from that of example 3 in the amount of modified 3-indoleacetic acid added, and the other steps are the same as those of example 3.
Example 10
A soil conditioner for nursery stock plantation, which is different from example 3 in that the modified 3-indoleacetic acid added thereto was obtained from preparation example 2, and the rest of the procedure was the same as in example 3.
Example 11
A soil conditioner for nursery stock plantation, which is different from example 3 in that the modified 3-indoleacetic acid added thereto was obtained from preparation example 3, and the rest of the procedure was the same as in example 3.
Example 12
A soil conditioner for nursery stock planting, which is different from example 3 in that the added complex microbial preparation is obtained from preparation example 5, and the rest steps are the same as example 3.
Comparative example
Comparative example 1
A soil conditioner for nursery stock planting, which is different from the soil conditioner of example 3 in that the added modified 3-indoleacetic acid is 0, and the rest steps are the same as the example 3.
Comparative example 2
A soil conditioner for nursery stock planting, which is different from the soil conditioner of example 3 in that 0.5kg of modified 3-indoleacetic acid is added, and the rest steps are the same as those of example 3.
Comparative example 3
A soil conditioner for nursery stock planting, which is different from the soil conditioner of example 3 in that 6kg of modified 3-indoleacetic acid is added, and the rest steps are the same as those of example 3.
Application example
Application example 1
A soil improvement method for nursery stock planting comprises the following soil improvement steps:
1) spreading the soil conditioner on the soil surface, wherein the dosage of the soil conditioner is 0.6kg per square meter;
2) loosening and overturning the soil, smashing soil blocks, and loosening and overturning the soil for the second time.
Performance test
The modifying agents of the examples 1-12 and the comparative examples 1-3 are randomly selected, different areas of the same piece of soil are modified through the modifying agents according to the method of the application example, then the same type of nursery stocks are planted, the rest planting and maintaining conditions are the same, and after 3 months, the survival rate and the rooting condition of the nursery stocks are observed. The test was carried out by the following method, and the test results are shown in Table 2.
Survival rate (number of survivals/total) x 100%.
TABLE 2 examination results of the improvers of examples 1 to 12 and comparative examples 1 to 3
| Survival rate (%) | Average new root number | |
| Example 1 | 97 | 2.2 |
| Example 2 | 99 | 2.6 |
| Example 3 | 99 | 3.7 |
| Example 4 | 98 | 3.1 |
| Example 5 | 90 | 2.1 |
| Example 6 | 97 | 2.2 |
| Example 7 | 98 | 2.7 |
| Example 8 | 96 | 3.2 |
| Example 9 | 95 | 2.2 |
| Example 10 | 100 | 3.8 |
| Example 11 | 98 | 3.6 |
| Example 12 | 99 | 3.8 |
| Comparative example 1 | 80 | 1.3 |
| Comparative example 2 | 82 | 1.6 |
| Comparative example 3 | 70 | 0.5 |
As can be seen from the detection results in Table 2, the soil is improved by the conditioner, so that the survival rate of the seedlings can be improved, the average rooting number of the seedlings is increased, and the soil is more suitable for the growth of the seedlings.
As can be seen from the data of examples 1-5 and comparative examples 1-3, the modifier has a good improvement effect on soil within a certain range, has an inhibiting effect on the growth of seedling root systems when the added amount of the modified 3-indoleacetic acid is too large, and has a small beneficial effect on the growth of the seedling root systems when the added amount of the modified 3-indoleacetic acid is too small.
As can be seen from the data of example 3 and examples 10-11, there is no significant difference in the properties of the modified 3-indoleacetic acids prepared in preparations 1-3.
As can be seen from the data of example 3 and example 12, there is no significant difference in the properties of the complex microbial preparations prepared in preparation examples 4 to 5.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The soil conditioner for nursery stock planting is characterized by being prepared from the following raw materials in parts by weight: comprises 22-30 parts of bentonite, 4-9 parts of straws, 3-6 parts of linseed oil residue, 1-3 parts of a composite microbial preparation, 1-3 parts of humic acid, 12-20 parts of chicken and duck manure and 1-5 parts of modified 3-indoleacetic acid;
wherein the modified 3-indoleacetic acid is prepared by reacting octadecylamine and 3-indoleacetic acid.
2. The soil conditioner for nursery stock planting according to claim 1, characterized in that: the preparation method of the modified 3-indoleacetic acid comprises the following steps of:
1) adding 10-15 parts of octadecylamine into 18-25 parts of trichloromethane, stirring until the octadecylamine is dissolved, then adding 7-9 parts of 3-indoleacetic acid, stirring uniformly, adding 3-5 parts of a condensing agent, and then stirring for reacting for 6-10 hours to obtain a solution A;
2) and adding water into the solution A, filtering to obtain a precipitate, and drying the precipitate to obtain the modified 3-indoleacetic acid.
3. The soil conditioner for nursery stock planting according to claim 1, characterized in that: the condensing agent is EDC.
4. A soil conditioner for nursery stock planting as set forth in claims 1 to 3, characterized in that: the reaction temperature of the step 1) is 25-40 ℃.
5. The soil conditioner for seedling planting as set forth in claim 4, wherein: the volume of the water added in the step 2) is 3-7 times of that of the trichloromethane.
6. The soil conditioner for seedling planting as set forth in claim 4, wherein: the drying in the step 2) is vacuum drying, the vacuum drying temperature is 45-50 ℃, and the vacuum drying time is 3-5 h.
7. The soil conditioner for nursery stock planting according to claim 1, characterized in that: the composite microbial preparation comprises the following components in parts by weight: 1-2 parts of azotobacter and 2-3 parts of rhizobia.
8. A method for preparing a soil conditioner for nursery stock planting according to any one of claims 1 to 7, which is characterized in that: the preparation steps of the soil conditioner are as follows:
1) respectively crushing and drying the straws, the chicken and duck manure and the linseed oil residue;
2) and uniformly mixing the crushed straws, the chicken and duck manure and the linseed oil residue, adding the compound microbial agent, the humic acid and the modified 3-indoleacetic acid, uniformly stirring, adding the bentonite, and uniformly stirring to obtain the soil conditioner.
9. A method for improving soil for planting seedlings according to any one of claims 1 to 7, wherein the soil improvement step is as follows:
1) spreading the soil conditioner on the soil surface;
2) loosening and overturning the soil, smashing soil blocks, and loosening and overturning the soil for the second time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185351A (en) * | 2021-04-26 | 2021-07-30 | 绿地集团森茂园林有限公司 | Soil conditioner and seedling planting method adopting same |
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| CN103131424A (en) * | 2013-03-13 | 2013-06-05 | 刘海崇 | Saline alkali soil conditioner |
| CN105820018A (en) * | 2016-06-06 | 2016-08-03 | 佛山市聚成生化技术研发有限公司 | Biological soil conditioner |
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| CN109305860A (en) * | 2018-10-16 | 2019-02-05 | 辽宁鑫浩膨润土有限责任公司 | A kind of novel soil conditioner and its preparation method and application |
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| CN113185351A (en) * | 2021-04-26 | 2021-07-30 | 绿地集团森茂园林有限公司 | Soil conditioner and seedling planting method adopting same |
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