CN113136208B - Application of soil remediation agent in saline-alkali soil - Google Patents

Application of soil remediation agent in saline-alkali soil Download PDF

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Publication number
CN113136208B
CN113136208B CN202010065023.6A CN202010065023A CN113136208B CN 113136208 B CN113136208 B CN 113136208B CN 202010065023 A CN202010065023 A CN 202010065023A CN 113136208 B CN113136208 B CN 113136208B
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soil
remediation agent
saline
alkali
soil remediation
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CN113136208A (en
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何其明
詹绍军
杜初廷
王慧慧
李会琳
杨艳芹
张静
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Chengdu New Chaoyang Crop Science Co ltd
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Chengdu New Chaoyang Crop Science Co ltd
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    • 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
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • 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
    • C09K17/42—Inorganic compounds mixed with organic active ingredients, e.g. accelerators
    • 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

Abstract

The invention relates to application of a soil remediation agent in saline-alkali soil, and belongs to the field of soil improvement. The soil remediation agent is applied to the saline-alkali soil, and the effective components of the soil remediation agent are formed by mixing ammonium laureth sulfate, lignin, carotenoid and mangosteen extract. When the soil remediation agent is applied to the saline-alkali soil, the pH value of the soil can be reduced, and the salt content of the soil can be reduced.

Description

Application of soil remediation agent in saline-alkali soil
Technical Field
The invention relates to application of a soil remediation agent in saline-alkali soil, and belongs to the field of soil improvement.
Background
The soil salinization is carried out when the salt content of the soil exceeds 0.1% and the pH value is more than or equal to 8.5. Salinization can result in low yield or failure to grow crops. Most of the saline-alkali soil in China is distributed in arid, semiarid and semimoist areas, and the areas are in fragile areas of the natural ecological environment in China, so that unfavorable and favorable agricultural production conditions exist at the same time. Most regions have abundant climate resources, deep soil layers and flat terrain, have certain water resource development potential, and have larger agricultural ecological potential compared with less land and more land. Once the dominant restriction factor of land salinization is eliminated, the huge potential of the agricultural ecosystem is brought into play. The land salinization treatment and prevention have very important practical significance on prevention and control of agricultural ecosystem degradation, ecological environment protection and future food safety. At present, much research is devoted to improving the saline-alkali soil.
Patent publication No. CN 109734533A discloses a saline-alkali soil conditioner and a method for producing the same. The saline-alkali soil conditioner can improve the soil fertility and adjust the soil property of the saline-alkali soil, but the preparation method of the saline-alkali soil conditioner is complex.
The applicant of the invention, the Chengdu Chaoyang crop science corporation, starts to concentrate on the development and research of the soil remediation agent in the 90 th century of 20 th century, develops and forms a 'deep ploughing free' soil conditioner (with the patent number being ZL00120300.1), and obtains the first soil conditioning registration certificate in China in 2002; the technical research on the soil conditioner is dedicated for more than ten years in the follow-up process, and the soil remediation effect is continuously improved.
Disclosure of Invention
The invention aims to provide the application of the soil remediation agent in the saline-alkali soil.
The soil remediation agent is applied to the saline-alkali soil, and the effective components of the soil remediation agent are formed by mixing ammonium laureth sulfate, lignin, carotenoid and mangosteen extract.
Preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 1-20:0.5-4:0.5-4: 0.5-4;
more preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15-20:0.5-4:0.5-4: 0.5-4;
preferably, the soil restoration agent comprises the effective components of ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15-20:0.5-4:1-2: 0.5-4.
More preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15:0.5-1:1-2: 1-4.
Most preferably, the effective components of the soil remediation agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15:1:1: 1.
Preferably, the mangosteen extract is obtained by extracting mangosteen husks with an organic solvent and drying the extracting solution; more preferably, the organic solvent is ethanol.
Preferably, the soil remediation agent further comprises an agriculturally acceptable adjuvant.
Wherein the salt content of the salinization soil is more than or equal to 0.1 percent, and the pH value is more than or equal to 8.5.
Preferably, the application method of the soil remediation agent in the saline-alkali soil is that the soil remediation agent is directly applied, matched with a conventional fertilizer or diluted by water for use.
Preferably, the saline-alkali soil remediation agent and water are uniformly mixed according to the weight ratio of 1:200-2000, and then applied to the saline-alkali soil for use.
Preferably, the weight ratio of the salinized soil remediation agent to water is 1: 1000.
The invention has the beneficial effects that:
1. the soil remediation agent disclosed by the invention is simple in components and preparation method, and is beneficial to large-scale production.
2. The invention discovers for the first time that the compound of the ammonium laureth sulfate, the lignin, the carotenoid and the mangosteen extract has a remarkable effect of repairing soil, and particularly has a remarkable effect on the salinized soil.
3. The soil remediation agent is applied to the saline-alkali soil, so that the pH value of the soil can be reduced, and the salt content of the soil can be reduced.
Detailed Description
The invention aims to provide the application of the soil remediation agent in the saline-alkali soil.
The soil remediation agent is applied to the saline-alkali soil, and the effective components of the soil remediation agent are formed by mixing ammonium laureth sulfate, lignin, carotenoid and mangosteen extract.
In order to improve the saline-alkali soil repairing effect of the soil repairing agent, preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 1-20:0.5-4:0.5-4: 0.5-4;
more preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15-20:0.5-4:0.5-4: 0.5-4;
preferably, the soil restoration agent comprises the effective components of ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15-20:0.5-4:1-2: 0.5-4.
More preferably, the effective components of the soil repairing agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15:0.5-1:1-2: 1-4.
Most preferably, the effective components of the soil remediation agent are prepared from ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15:1:1: 1. Under the proportion, the soil remediation agent has the best remediation effect on saline-alkali soil.
Preferably, the lignin is total schizandrin and the carotenoid is lycopene.
Preferably, the mangosteen extract is obtained by extracting mangosteen husks with an organic solvent and drying an extracting solution; more preferably, the organic solvent is ethanol.
Preferably, the preparation method of the mangosteen extract comprises the following steps: pulverizing mangosteen fruit shell, extracting with ethanol of more than 70%, wherein the weight ratio of mangosteen fruit shell to ethanol is 1:8-15, the extraction temperature is 50-80 deg.C, the extraction time is 0.5-1.5h, filtering, centrifuging, concentrating under reduced pressure, and spray drying to obtain mangosteen extract.
Wherein, the shizandra berry total extract and the lycopene used in the test can be directly purchased and obtained.
Preferably, the soil remediation agent further comprises an agriculturally acceptable adjuvant. The repairing agent can be prepared into water aqua, powder and granules by adding agriculturally acceptable auxiliary materials. The auxiliary material is at least one of water, filler, antifreezing agent and thickening agent. The filler can be common fillers such as ammonium sulfate, bentonite, diatomite and the like.
Wherein the salt content of the salinization soil is more than or equal to 0.1 percent, and the pH value is more than or equal to 8.5.
Preferably, the application method of the soil remediation agent in the saline-alkali soil is that the soil remediation agent is directly applied, matched with a conventional fertilizer or diluted by water for use.
Preferably, the saline-alkali soil remediation agent and water are uniformly mixed according to the weight ratio of 1:200-2000, and then applied to the saline-alkali soil for use.
Preferably, the weight ratio of the salinized soil remediation agent to water is 1: 1000.
In the potted plant, the using amount of the soil remediation agent is 0.01-0.05% of the weight of the saline-alkali soil; preferably, the dosage of the soil remediation agent is 0.025 percent of the weight of the saline-alkali soil.
When the soil remediation agent is used in a field, the using amount of the soil remediation agent is 5-30 kg/mu.
The following examples are provided to further illustrate the embodiments of the present invention and are not intended to limit the scope of the present invention.
Examples
Preparing a mangosteen extract: pulverizing mangosteen fruit shell, mixing the mangosteen fruit shell and 95% ethanol according to the weight ratio of 1:10, heating to 70 ℃, extracting for 1.5h, then filtering to obtain an extracting solution, centrifuging the extracting solution, concentrating under reduced pressure, and spray drying to obtain the mangosteen extract.
Preparing a soil repairing agent, taking the components according to the mixture ratio shown in the following table 1, and uniformly mixing the components to obtain the soil repairing agent S1-S4 and D1-D7.
TABLE 1
Figure BDA0002375705650000031
Test examples
1. Test subjects: baby dish
2. And (3) experimental design:
the test simulates a potting test of saline-alkali soil, the saline-alkali soil is collected from Aksu area of Xinjiang, the collected soil is aired, air-dried, sieved and uniformly mixed, then the soil is filled into a potting plastic pot, and the physical and chemical properties of the soil foundation are measured, and the results are shown in Table 2.
TABLE 2 measurement of physicochemical properties of the soil foundation before the treatment test
pH of soil Porosity (%) Soil volume weight (g/cm)3) Organic matter (%) Soil salt content (%)
8.76 43.02 1.51 0.72 0.26
2kg of saline-alkali soil is added into each test plastic pot, 2 baby cabbage seedlings with the same growth condition are transplanted into each pot, and test treatment is carried out after the baby cabbage seedlings are transplanted for 3 days.
The experiment set up 12 treatments:
treating with S1-S4 and D1-D7 soil remediation agents; a clear water control group (with the number of D0) is arranged; for a total of 12 treatments. Each treatment was set to 3-pot replicates.
In the test, 0.5g of each of S1-S4 and D1-D7 is taken and added with 500g of water for use; respectively applying 500g of diluted soil remediation agent in each potting treatment; applying 500g of clear water to a clear water control group;
after 2 months of experimental treatment, samples were taken from each treatment to determine the physicochemical properties of the soil foundation.
Wherein, 3 samples are taken from each potted plant, and the 3 samples are mixed into 1 sample for analysis and detection to obtain the physical and chemical property value of the soil of the potted plant.
Since each treatment was repeated 3 times, the index of each parameter in the following table is an average of 3 repetitions, and the specific measurement values are shown in table 3.
TABLE 3 physicochemical properties of the soil after 2 months of test treatment
Treating agent S1 S2 S3 S4 D1 D2
pH of soil 8.69 8.71 8.72 8.71 8.72 8.73
Soil salt content (%) 0.171 0.188 0.195 0.190 0.212 0.220
Treating agent D3 D4 D5 D6 D7 D0
pH of soil 8.74 8.74 8.73 8.73 8.74 8.77
Salt content in soil (%) 0.210 0.230 0.224 0.221 0.238 0.258
The detection reference standard of the invention is as follows:
NYT1121.2-2006 soil test part 2: measuring the pH value of the soil;
NYT1121.16-2006 soil test section 16: and (4) measuring the water-soluble total salt of the soil.

Claims (8)

1. The application of the soil remediation agent in saline-alkali soil is characterized in that the effective components of the soil remediation agent are formed by mixing ammonium laureth sulfate, lignin, carotenoid and mangosteen extract according to the weight ratio of 15-20:0.5-4:0.5-4:0.5-4, and the application method is to use the soil remediation agent after dilution with water;
the mangosteen extract is obtained by extracting mangosteen shells through an organic solvent and drying an extracting solution;
the organic solvent is ethanol.
2. The use of the soil remediation agent of claim 1 in saline-alkali soils, wherein the soil remediation agent comprises the active ingredients of ammonium laureth sulfate, lignin, a carotenoid, and a mangosteen extract in a weight ratio of 15-20:0.5-4:1-2: 0.5-4.
3. The use of the soil remediation agent of claim 1 in saline-alkali soils, wherein the effective ingredients of the soil remediation agent are formulated with ammonium laureth sulfate, lignin, a carotenoid, and a mangosteen extract in a weight ratio of 15:0.5-1:1-2: 1-4.
4. The use of the soil remediation agent of claim 2 in saline-alkali soils, wherein the effective ingredients of the soil remediation agent are formulated with ammonium laureth sulfate, lignin, a carotenoid, and a mangosteen extract in a weight ratio of 15:1:1: 1.
5. The use of the soil remediation agent of any one of claims 1 to 4 in a saline-alkali soil, further comprising an agronomically acceptable adjuvant.
6. The use of a soil remediation agent for the treatment of a saline-alkali soil as claimed in claim 1, wherein the saline-alkali soil has a salt content of 0.1% or more and a pH of 8.5 or more.
7. The application of the soil remediation agent in saline-alkali soil as claimed in claim 1, wherein the saline-alkali soil remediation agent is mixed with water in a weight ratio of 1:200-2000, and then applied to the saline-alkali soil.
8. The use of a soil remediation agent for the treatment of a soil subject to salt and alkali conditions as claimed in claim 7, wherein the weight ratio of the soil remediation agent to water is 1: 1000.
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Citations (2)

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Publication number Priority date Publication date Assignee Title
CN104276895A (en) * 2014-10-24 2015-01-14 国家粳稻工程技术研究中心 Green ecological medicinal fertilizer for vegetables and preparation method of green ecological medicinal fertilizer
CN105038807A (en) * 2015-06-23 2015-11-11 潍坊友容实业有限公司 Soil conditioning, fertility-increasing and salt-reducing agent for sulfate-type saline soil and application thereof to sculellaria barbata planting

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GB2023423A (en) * 1978-06-16 1980-01-03 Melnikov N Composition for killing soil habitant pests and micro-organisms causing diseases of farm crops
CN103756684B (en) * 2014-01-10 2016-05-25 武汉盛大神农生物工程有限公司 A kind of soil conditioner with multiple benefits

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276895A (en) * 2014-10-24 2015-01-14 国家粳稻工程技术研究中心 Green ecological medicinal fertilizer for vegetables and preparation method of green ecological medicinal fertilizer
CN105038807A (en) * 2015-06-23 2015-11-11 潍坊友容实业有限公司 Soil conditioning, fertility-increasing and salt-reducing agent for sulfate-type saline soil and application thereof to sculellaria barbata planting

Non-Patent Citations (1)

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Title
"柴达木灰棕漠土土壤调理剂应用效果";张建青等;《陕西农业科学2018》;20181231;第64卷(第12期);第1节，表1，表4 *

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