CN114436716A - Facility desert saline-alkali soil improver and preparation method thereof - Google Patents
Facility desert saline-alkali soil improver and preparation method thereof Download PDFInfo
- Publication number
- CN114436716A CN114436716A CN202210172528.1A CN202210172528A CN114436716A CN 114436716 A CN114436716 A CN 114436716A CN 202210172528 A CN202210172528 A CN 202210172528A CN 114436716 A CN114436716 A CN 114436716A
- Authority
- CN
- China
- Prior art keywords
- facility
- saline
- soil
- parts
- desert
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a facility desert saline-alkali soil improver and a preparation method thereof, wherein the facility desert saline-alkali soil improver comprises the following components in parts by weight: 20-50 parts of urea, 10-80 parts of ammonium sulfate, 5-20 parts of potassium fulvate, 1-10 parts of polyglutamic acid, 1-10 parts of potassium polyacrylate and 300-500 parts of mixed fermentation matrix. The modifier for facility desert saline-alkali soil disclosed by the invention is low in production cost and simple in preparation method, and the polyglutamic acid and the potassium polyacrylate are added as modifier raw materials, so that the modifier has the characteristics of water retention and fertilizer conservation, can improve the saline-alkali resistance and drought resistance of crops in the whole growth period of the crops, has the effects of improving soil desertification and salinization, can effectively increase the soil aggregate structure, reduce the soil volume weight, improve the action of microbial flora of the saline-alkali soil, can realize the in-situ resource utilization of agricultural wastes, prolong the industrial chain of straws and livestock and poultry manure, can obviously improve the soil physicochemical properties of the facility desert saline-alkali soil, and improve the yield and quality of facility vegetables.
Description
Technical Field
The invention relates to the technical field of agricultural fertilizers, in particular to a facility desert saline-alkali soil improver and a preparation method thereof.
Background
At present, soil desertification and salinization become global problems, and the global saline-alkali land area reaches 9.55 multiplied by 109 hm2. The occurrence of desertification and salinization causes deterioration of physicochemical properties and biological characteristics of soil, deterioration of crop quality and yield, agricultural harvest and energy shortage. Along with the development of national economy and scientific technologyThe improvement of the method, the addition of the soil conditioner becomes one of effective measures for relieving the soil desertification and the salinization. The existing soil conditioner comprises lime, minerals, industrial byproducts, organic materials, biomass charcoal and the like. The preparation technology of the soil conditioner is improved, the popularization and the application of the novel efficient desert saline-alkali soil conditioner are promoted, the resource utilization of industrial and agricultural wastes can be promoted, and meanwhile, the preparation technology has multiple benefits in the aspects of agricultural production, ecological protection, resource conservation and the like.
The soil conditioner prepared by taking agricultural wastes as raw materials is beneficial to the resource utilization of wastes such as livestock and poultry manure and straws and the like, and is also beneficial to improving the economic benefit and the ecological benefit of desert saline-alkali soil. The existing soil conditioner products produced by utilizing agricultural wastes have the problems of single raw material component, easy excessive adjustment after long-term use, even secondary pollution and the like. According to the invention, agricultural wastes such as cotton stalks, sheep manure and the like rich in cellulose and crude protein are mixed with fertilizer source substances such as urea, ammonium sulfate, potassium fulvate and the like, and then the water and fertilizer retention materials such as polyglutamic acid, potassium polyacrylate and the like are compounded, so that the soil quality of the saline-alkali soil of the desert can be rapidly improved, the saline-alkali resistance and the drought resistance of crops are improved, and the improvement and the high yield of the saline-alkali soil of the desert in the same year are realized.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a facility desert saline-alkali soil modifier and a preparation method thereof, which have the advantages of meeting the requirements of multifunction, high efficiency, simplicity and convenience and the like and solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the modifier for saline-alkali soil of facility desert comprises the following raw materials in parts by weight: 10-30 parts of urea, 10-20 parts of ammonium sulfate, 5-10 parts of potassium fulvate, 1-10 parts of polyglutamic acid, 1-10 parts of potassium polyacrylate and 300-500 parts of mixed fermentation substrate.
Preferably, the mixed fermentation substrate comprises the following components: one or more of cotton stalk, sheep manure, coconut husk, grass peat and sandy soil.
Preferably, the urea has a CAS number of 57-13-6; the CAS number of the ammonium sulfate is 7783-20-2; the CAS number of the potassium fulvate is 590-29-4; the CAS number of the polyglutamic acid is 25513-46-6; the CAS number of the potassium polyacrylate is 25608-12-2.
Preferably, the urea, the ammonium sulfate, the potassium fulvate, the polyglutamic acid and the potassium polyacrylate are all industrial first-class products.
The urea is used for adjusting the C/N ratio of the modifier;
the ammonium sulfate and the potassium fulvate are physiological acid fertilizers and are used for maintaining the pH value and the nutrient balance of the modifying agent;
the polyglutamic acid and the potassium polyacrylate are high-water-absorption high-molecular polymers and are used for activating structural components of the modifier and improving the water and fertilizer retention performance of the modifier.
The invention aims to solve another technical problem of providing a facility desert saline-alkali soil improver and a preparation method thereof, wherein the preparation method comprises the following steps:
all the components of the fertilizer are mixed and stirred uniformly according to the components and the parts by weight of the fertilizer;
1) uniformly mixing one or more of cotton stalks (crushed to 1-2 cm), sheep manure, coconut chaff, grass peat and sandy soil according to a proportion, wherein the water content of the mixture is controlled to be below 40%;
2) spraying a bacillus subtilis fermentation agent diluent on the mixture, uniformly stirring, and fermenting for more than 72 hours in a facility greenhouse at the temperature of 25-30 ℃;
3) uniformly mixing urea, ammonium sulfate, potassium fulvate, polyglutamic acid, potassium polyacrylate and the mixed fermentation substrate according to a proportion, and placing the mixture in a facility greenhouse at the temperature of 25-30 ℃ for continuous composting for 25-45 days.
(III) advantageous effects
Compared with the prior art, the invention provides a facility desert saline-alkali soil improver and a preparation method thereof, and the modifier has the following beneficial effects:
1. the modifier for saline-alkali soil of facility desert and the preparation method thereof have the characteristics of water retention and fertilizer conservation by adding polyglutamic acid and potassium polyacrylate as modifier raw materials, and can improve the saline-alkali resistance and drought resistance of crops in the whole growth period of the crops.
2. The facility desert saline-alkali soil conditioner and the preparation method thereof have the effects of improving soil desertification and salinization, can effectively increase the soil granular structure, reduce the soil volume weight and improve the saline-alkali soil microbial community.
3. The modifier for the facility desert saline-alkali soil has the characteristics of promoting the growth and development of crop roots, inhibiting harmful flora, reducing the damage of saline-alkali adverse environment, improving the yield and quality of facility crops and the like.
4. The facility desert saline-alkali soil modifier and the preparation method thereof can realize the in-situ resource utilization of agricultural wastes and prolong the industrial chain of straws and livestock and poultry manure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
preparing a saline-alkali soil modifier for the facility desert:
according to the weight parts, 50kg of urea, 30kg of ammonium sulfate, 20kg of potassium fulvate, 5kg of polyglutamic acid, 5kg of potassium polyacrylate, 350kg of cotton stalk, 250kg of sheep manure, 50kg of coconut coir, 40 kg of grass peat and 200 kg of sandy soil are quantitatively weighed.
Weighing 350kg of cotton stalk, 250kg of sheep manure, 50kg of coconut husk, 40 kg of turf and 200 kg of sandy soil according to the proportion, placing the mixture in a facility greenhouse, fully and uniformly mixing the mixture, fermenting the mixture for 72 hours, then adding 50kg of urea, 30kg of ammonium sulfate, 20kg of fulvic acid potassium, 5kg of polyglutamic acid and 5kg of polyacrylic acid potassium, fully and uniformly stirring the mixture, and continuously composting the mixture for 35 days to obtain the facility desert saline-alkali soil modifier. Applying the prepared modifying agent on the soil surface, wherein the application amount is 100 kg/mu.
Facility desert saline-alkali soil improvement prepared by the methodAgent containing macronutrient elements (N + P)2O5+K2O) is about 12%, organic matter is about 18%, pH is 6.2, and EC value is 1.2 mS/cm.
Effects of the implementation
100kg of the fertilizer is applied to saline-alkali soil of the desert in the Xinjiang Hotan area per mu, after the fertilizer is applied for 1 season, the pH value of a soil layer of 0-15 cm is reduced by 0.4, the organic matter content of the soil is improved by 4.6%, the content of macro aggregates is improved by 1.5%, the volume weight of the soil is reduced by 3.2%, the calcium ion content in a soil solution is reduced by 125%, and the alkalization degree of the soil is reduced by 17%.
Example two:
the facility desert saline-alkali soil modifier prepared in the example 1 is selected with different dosage under the same condition, and is compared with the conventional production without the modifier for carrying out a comparative experiment.
1. The experimental process comprises the following steps:
the inventor carries out tomato planting tests in facility greenhouses in saline-alkali areas of Xinjiang Hotan desert. Three treatments are set in the test, three facility greenhouses are selected, and the area of each greenhouse is 1000m2. The greenhouse numbers A, B and CK. The group A only uses the facility desert saline-alkali soil improver prepared in the embodiment 1 of the invention; the group B uses a commercial common saline-alkali soil conditioner (B); CK group is control group without modifier. Wherein A, B group modifying agents are uniformly applied to the soil surface once 15 days before the transplanting of the tomato seedlings. And each treatment group is subjected to water and fertilizer management according to conventional production, and daily management is kept consistent during planting and growth. And in the tomato growth period, the growth characters and the yield of the tomatoes of each treatment group are observed and analyzed.
2. Test results
As shown in Table 1, after different modifying agents are applied (A, B), the plant height, stem thickness, stem and leaf dry weight and the total weight average of single-plant fruits of the tomatoes are better than those of the tomatoes treated by a conventional method (CK) without the modifying agents, and the tomato yield is respectively increased by 14.93 percent and 10.33 percent. Compared with the common market saline-alkali soil modifier (B), the modifier (A) specially used for the self-made facility desert saline-alkali soil increases the tomato yield by 4.17 percent.
The effect of the different modifier treatments on the nutritional quality of the tomato fruits is shown in table 3. Compared with a control without the modifier, after the modifier with A, B formula is applied, the content of Vc, soluble sugar, soluble protein and other nutrients of the tomatoes is increased, wherein the content of the soluble sugar is respectively 14.48 percent and 4.18 percent higher than that of the control treatment, and the content of nitrate in the tomatoes applied with the facility desert saline-alkali soil modifier A is greatly reduced. The application of the facility desert saline-alkali soil modifier has better effect on improving the stress resistance of the tomatoes, can stabilize the carbon and nitrogen metabolism of the tomatoes at a higher level, reduces the accumulation of nitrate in fruits, and provides powerful guarantee for the accumulation of carbohydrates and the improvement of quality.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
Example three:
the modifying agent blending scheme in the first replacement embodiment comprises the following raw materials in parts by weight: 400 portions of urea 250-containing materials, 10-80 portions of ammonium nitrate, 300 portions of monopotassium phosphate 100-containing materials, 400 portions of potassium nitrate 200-containing materials, 30-120 portions of EDTA chelating agent, 5-30 portions of polyacrylamide and 15-70 portions of saline-alkali modifier.
2. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized by comprising the following raw materials in parts by weight: 400 portions of urea 250-80 portions, 300 portions of ammonium nitrate, 100 portions of monopotassium phosphate, 400 portions of potassium nitrate 200-120 portions, 30-120 portions of EDTA chelating agent, 5-30 portions of polyacrylamide and 15-70 portions of saline-alkali modifier.
3. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized by comprising the following raw materials in parts by weight: 400 portions of urea 250-containing materials, 10-80 portions of ammonium nitrate, 300 portions of monopotassium phosphate 100-containing materials, 400 portions of potassium nitrate 200-containing materials, 30-120 portions of EDTA chelating agent, 5-30 portions of polyacrylamide and 15-70 portions of saline-alkali modifier.
4. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized by comprising the following raw materials in parts by weight: 400 portions of urea 250-containing materials, 10-80 portions of ammonium nitrate, 300 portions of monopotassium phosphate 100-containing materials, 400 portions of potassium nitrate 200-containing materials, 30-120 portions of EDTA chelating agent, 5-30 portions of polyacrylamide and 15-70 portions of saline-alkali modifier.
5. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized by comprising the following raw materials in parts by weight: 400 portions of urea 250-containing materials, 10-80 portions of ammonium nitrate, 300 portions of monopotassium phosphate 100-containing materials, 400 portions of potassium nitrate 200-containing materials, 30-120 portions of EDTA chelating agent, 5-30 portions of polyacrylamide and 15-70 portions of saline-alkali modifier.
6. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized in that the EDTA chelating agent comprises the following components by weight: 10-40 parts of EDTA chelated zinc; 10-40 parts of EDTA chelated iron; 10-40 parts of EDTA chelated manganese.
7. The soil conditioner for facility desert saline-alkali soil according to claim 6, characterized in that said EDTA chelated zinc is sodium zinc ethylenediaminetetraacetate; the EDTA chelated iron is ethylenediamine tetraacetic acid ferric sodium salt; the EDTA chelated manganese is ethylenediamine tetraacetic acid manganese sodium salt.
8. The soil conditioner for facility desert saline-alkali soil according to claim 1, characterized in that the saline-alkali conditioner comprises the following components by weight: 10-40 parts of boric acid; 5-30 parts of potassium hydrogen persulfate composite salt, wherein the CAS number of the urea is 57-13-6; the CAS number of the ammonium nitrate is 6484-52-2; the CAS number of the monopotassium phosphate is 7778-77-0; the CAS number of the potassium nitrate is 7757-79-1; the CAS number of the Polyacrylamide (PAM) is 9003-05-8, the urea, the ammonium nitrate, the monopotassium phosphate, the potassium nitrate and the Polyacrylamide (PAM) are all first-class industrial products, the polyacrylamide is conventionally used polyacrylamide and plays a role in water retention, and the CAS number of the boric acid is 10043-35-3; the CAS number of the potassium hydrogen persulfate composite salt (PMPS) is 70693-62-8, the boric acid and the potassium hydrogen persulfate composite salt are both first-class products in industry, the potassium hydrogen persulfate composite salt (PMPS) is also called potassium hydrogen persulfate composite salt, and consists of potassium hydrogen persulfate (KHSO 5), potassium hydrogen sulfate (KHSO 4) and potassium sulfate (K2 SO 4), and the potassium hydrogen persulfate composite salt consists of 50-60% of potassium hydrogen persulfate (KHSO 5), 20-30% of potassium hydrogen sulfate (KHSO 4) and 10-20% of potassium sulfate (K2 SO 4) in percentage by weight, the functional water-soluble fertilizer for improving saline-alkali soil contains a large amount of nutrient elements, wherein the urea contains N46%; the ammonium nitrate contains 35% of N; the monopotassium phosphate contains 552% of P2O and 34% of K2O 34; the potassium nitrate contains 13% of N and 46% of K2O; the polyacrylamide contains 100% of PAM; the saline-alkali modifier contains H3BO 370% and PMPS 30%; the EDTA chelated zinc contains 12% of Zn, the EDTA chelated iron contains 12% of Fe, and the EDTA chelated manganese contains 12% of Mn.
9. The soil conditioner for facility desert saline-alkali soil according to claim 6, characterized in that the EDTA chelated zinc is sodium zinc ethylenediaminetetraacetate. The CAS number of the EDTA zinc sodium salt is 14025-21-9, the EDTA chelated zinc is prepared by complexation reaction of soluble zinc salt and Ethylene Diamine Tetraacetic Acid (EDTA), the soluble zinc salt is zinc salt dissolved in water, such as zinc chloride, zinc nitrate and the like, and the EDTA chelated iron is EDTA iron sodium salt. The CAS number of the EDTA iron disodium salt is 15708-41-5, the EDTA chelated iron is prepared by complexing reaction of soluble iron salt and ethylenediamine tetraacetic acid (EDTA), the soluble iron salt is iron salt dissolved in water, such as ferric chloride, ferric nitrate and the like, the EDTA chelated manganese is ethylenediamine tetraacetic acid manganese disodium salt, and the CAS number of the ethylenediamine tetraacetic acid manganese disodium salt is 15375-84-5. The EDTA chelated manganese is prepared by complexing reaction of soluble manganese salt and Ethylene Diamine Tetraacetic Acid (EDTA), wherein the soluble manganese salt is manganese salt dissolved in water, such as manganese chloride, manganese nitrate and the like.
10. A preparation method of a soil conditioner for facility desert saline-alkali soil is characterized in that the soil conditioner is obtained by mixing and uniformly stirring all components of a fertilizer according to the components and the parts by weight of the components of the fertilizer;
1) when all components of the fertilizer are mixed, firstly, uniformly mixing an EDTA chelating agent, polyacrylamide and a saline-alkali modifier, then adding urea, ammonium nitrate, monopotassium phosphate and potassium nitrate, uniformly stirring to obtain a mixed solution, pumping the mixed solution into a mixed precipitation tank, heating the solution in the mixed precipitation tank to keep the temperature of the mixed solution at 38-40 ℃, and adjusting the pH value of the solution in the mixed precipitation tank by using organic acid;
2) after the fertilizer prepared by any preparation method is dissolved in water, the fertilizer is applied to soil in a drip irrigation mode;
3) the water is used for drip irrigation; the amount of the water is that 600-800L of water is added into each 1kg of fertilizer; the application amount of the fertilizer dissolved in water is 1-3 kg/mu/time; the application frequency of the fertilizer dissolved in water is 1 time every 7-10 days;
the third beneficial effects of the embodiment are as follows:
1. according to the soil conditioner for facility desert saline-alkali soil and the preparation method thereof, PAM and PMPS are added as new fertilizer raw materials, the soil conditioner has the characteristics of quick dissolution and slow release, the water and fertilizer utilization efficiency can be improved, and the ionic quick-acting nutrients are buffered in soil and released again along with the absorption of crops.
2. The soil conditioner for facility desert saline-alkali soil and the preparation method thereof have the effect of improving secondary salinization of soil, can reduce soil alkalinity, effectively increase soil granular structure, improve soil conservation, water conservation and fertilizer conservation performance, reduce soil unit weight, change a hardened structure of saline-alkali soil, and play a role in preventing soil salinization.
3. The soil conditioner for facility desert saline-alkali soil and the preparation method thereof have the characteristics of promoting the growth and development of crop roots, inhibiting harmful flora, reducing continuous cropping harm, improving the yield of agricultural products, improving the quality of the agricultural products and the like.
4. The soil conditioner for facility desert saline-alkali soil and the preparation method thereof are applied to facility agriculture, and can achieve the effects of saving water, fertilizer and labor by combining the matched drip irrigation water and fertilizer integration technology.
The invention has the beneficial effects that:
the polyglutamic acid and the potassium polyacrylate are added as raw materials of the modifier, so that the modifier has the characteristics of water retention and fertilizer retention, can improve the saline-alkali resistance and drought resistance of crops in the whole growth period of the crops, can effectively increase the granular structure of soil, reduce the volume weight of the soil, improve the microbial flora of the saline-alkali soil, has the characteristics of promoting the growth and development of crop roots, inhibiting harmful flora, reducing the damage of saline-alkali adverse environment, improving the yield and quality of facility crops and the like, can realize the on-site resource utilization of agricultural wastes, and prolong the industrial chain of straws and livestock manure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The modifier for saline-alkali soil of facility desert is characterized by comprising the following components in parts by weight:
10-30 parts of urea
10-20 parts of ammonium sulfate
5-10 parts of potassium fulvate
1-10 parts of polyglutamic acid
1-10 parts of potassium polyacrylate
300-500 parts of mixed fermentation substrate.
2. The improver for saline-alkali soil in facility desert according to claim 1, wherein the raw material of the mixed fermentation substrate is selected from one or more of cotton stalk, sheep manure, coconut coir, grass peat and sandy soil.
3. The facility desert saline-alkali soil improver according to claim 1, wherein the mixed fermentation substrate is pretreated before being used as a raw material component of the facility desert saline-alkali soil improver, and the pretreatment is that bacillus subtilis is added after one or more of cotton stalks, sheep manure, coconut coir and turf are uniformly mixed in proportion to perform high-temperature composting fermentation treatment;
the aerobic composting membrane control system for high-temperature composting fermentation comprises an on-site sensor, a main controller and an upper computer software management platform; the on-site sensor comprises a temperature sensor and an oxygen content sensor (the oxygen content sensor is not needed in the special process), and is connected to the main controller in a wired mode; the field sensor can reach the sealing standard above IP 65;
a control cabinet is installed on a composting site as a main controller, the temperature and the oxygen content in each composting tank are collected and controlled, and the start, stop and operation of each fan of the composting tank are controlled;
the main controller adopts a modular structure and mainly comprises: the PLC, the power supply module, the communication module, the input/output module, the contactor and the relay are manually operated and adjusted according to actual conditions;
the improver for facility desert saline-alkali soil according to claim 1, which is obtained by the following steps:
(1) uniformly mixing one or more of cotton stalks (crushed to 1-2 cm), sheep manure, coconut coir, grass peat and sandy soil according to a proportion, wherein the water content of the mixture is controlled to be below 40%;
(2) spraying a bacillus subtilis fermentation agent diluent on the mixture, uniformly stirring, and fermenting for more than 72 hours in a facility greenhouse at the temperature of 25-30 ℃;
(3) uniformly mixing urea, ammonium sulfate, potassium fulvate, polyglutamic acid, potassium polyacrylate and the mixed fermentation substrate according to a proportion, and placing the mixture in a facility greenhouse at the temperature of 25-30 ℃ for continuous composting for 25-45 days.
4. The improver for facility desert saline-alkali soil according to claim 1, wherein the CAS number of the urea is 57-13-6; the CAS number of the ammonium sulfate is 7783-20-2; the CAS number of the potassium fulvate is 590-29-4; the CAS number of the polyglutamic acid is 25513-46-6; the CAS number of the potassium polyacrylate is 25608-12-2.
5. The soil conditioner for facility desert saline-alkali soil as claimed in claim 1, characterized in that, the urea, ammonium sulfate, potassium fulvate, polyglutamic acid and potassium polyacrylate are all industrial first-class products.
6. The urea is used for adjusting the C/N ratio of the modifier; the ammonium sulfate and the potassium fulvate are physiological acid fertilizers and are used for maintaining the pH value and the nutrient balance of the modifying agent; the polyglutamic acid and the potassium polyacrylate are high-water-absorption high-molecular polymers and are used for activating structural components of the modifier and improving the water and fertilizer retention performance of the modifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210172528.1A CN114436716A (en) | 2022-02-24 | 2022-02-24 | Facility desert saline-alkali soil improver and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210172528.1A CN114436716A (en) | 2022-02-24 | 2022-02-24 | Facility desert saline-alkali soil improver and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114436716A true CN114436716A (en) | 2022-05-06 |
Family
ID=81374506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210172528.1A Pending CN114436716A (en) | 2022-02-24 | 2022-02-24 | Facility desert saline-alkali soil improver and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114436716A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355911A (en) * | 2014-11-26 | 2015-02-18 | 赤峰杰健科技有限公司 | Compound fertilizer for saline-alkaline lands and preparation method thereof |
| CN106146229A (en) * | 2016-07-02 | 2016-11-23 | 山东胜伟园林科技有限公司 | A kind of alkaline land improving the fertilizer of retaining water and releasing nutrients slowly and preparation method thereof |
| CN106220415A (en) * | 2016-07-20 | 2016-12-14 | 上海市农业科学院 | A kind of functional water-soluble fertilizer for salt affected soil improvement and application thereof |
| CN106316571A (en) * | 2016-07-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Biological type organic-inorganic compound fertilizer for improvement in saline land and preparation method thereof |
| CN106518506A (en) * | 2015-09-15 | 2017-03-22 | 沈阳中科新型肥料有限公司 | Saline-alkali soil modifying agent with fertilizer synergia effect |
| CN108300485A (en) * | 2018-03-13 | 2018-07-20 | 鲁东大学 | It is a kind of to be used to administer the soil conditioner in salt-soda soil and its preparation method and application |
| CN112174741A (en) * | 2020-10-29 | 2021-01-05 | 辽宁顺屹农业科技有限公司 | Drought-resistant functional fertilizer for saline-alkali soil and preparation method thereof |
| CN112876309A (en) * | 2021-02-03 | 2021-06-01 | 江苏省有色金属华东地质勘查局地球化学勘查与海洋地质调查研究院 | Coastal saline-alkali soil modifier and preparation method thereof |
| CN112979374A (en) * | 2021-04-07 | 2021-06-18 | 内蒙古辽中京农业科技有限责任公司 | Compound fertilizer special for saline-alkali soil beet and preparation method thereof |
-
2022
- 2022-02-24 CN CN202210172528.1A patent/CN114436716A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355911A (en) * | 2014-11-26 | 2015-02-18 | 赤峰杰健科技有限公司 | Compound fertilizer for saline-alkaline lands and preparation method thereof |
| CN106518506A (en) * | 2015-09-15 | 2017-03-22 | 沈阳中科新型肥料有限公司 | Saline-alkali soil modifying agent with fertilizer synergia effect |
| CN106146229A (en) * | 2016-07-02 | 2016-11-23 | 山东胜伟园林科技有限公司 | A kind of alkaline land improving the fertilizer of retaining water and releasing nutrients slowly and preparation method thereof |
| CN106220415A (en) * | 2016-07-20 | 2016-12-14 | 上海市农业科学院 | A kind of functional water-soluble fertilizer for salt affected soil improvement and application thereof |
| CN106316571A (en) * | 2016-07-29 | 2017-01-11 | 山东胜伟园林科技有限公司 | Biological type organic-inorganic compound fertilizer for improvement in saline land and preparation method thereof |
| CN108300485A (en) * | 2018-03-13 | 2018-07-20 | 鲁东大学 | It is a kind of to be used to administer the soil conditioner in salt-soda soil and its preparation method and application |
| CN112174741A (en) * | 2020-10-29 | 2021-01-05 | 辽宁顺屹农业科技有限公司 | Drought-resistant functional fertilizer for saline-alkali soil and preparation method thereof |
| CN112876309A (en) * | 2021-02-03 | 2021-06-01 | 江苏省有色金属华东地质勘查局地球化学勘查与海洋地质调查研究院 | Coastal saline-alkali soil modifier and preparation method thereof |
| CN112979374A (en) * | 2021-04-07 | 2021-06-18 | 内蒙古辽中京农业科技有限责任公司 | Compound fertilizer special for saline-alkali soil beet and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ponnamperuma | Straw as a source of nutrients for wetland rice | |
| CN101889533B (en) | Artificial matrix for hole-tray tomato seedling cultivation | |
| CN101659867B (en) | Saline-alkali soil conditioner and preparation method thereof | |
| CN1319576A (en) | Composite organic fertilizer and making method thereof | |
| CN102210256A (en) | Container culture medium prepared from edible fungi residue and production method thereof | |
| CN106518529A (en) | Compound biochar-based slow-release fertilizer and application method thereof | |
| CN110590464A (en) | Four-in-one total-nutrient composite microbial fertilizer | |
| CN1291949C (en) | Salt-resistant multielement drip irrigation fertilizer and its preparation method | |
| CN106588402A (en) | Green seedling cultivation and planting organic and inorganic compound fertilizer and preparation method thereof | |
| CN101905999A (en) | Humic acid sustained and controlled release fertilizer and production method thereof | |
| CN105010137A (en) | Saccharum officinarum detoxification seedling propagation method | |
| CN112374950A (en) | Nitrogen fertilizer synergist containing plant-derived denitrification inhibitor and preparation method and application thereof | |
| CN111285733A (en) | Method for producing alkaline water-soluble fertilizer by using vegetable wastes | |
| CN111170788A (en) | Humic acid plant growth nutrition high-efficiency solid fertilizer and preparation method thereof | |
| CN111777465A (en) | Liquid water-soluble fertilizer and preparation method thereof | |
| CN116693342A (en) | Preparation method of stable synergistic liquid fertilizer containing polymerized phosphorus and fertilizer | |
| CN110663305A (en) | Construction method of suitable cultivation layer of red soil marginal land | |
| CN116114693A (en) | Mud flat saline-alkali soil rice growth promoter and preparation method thereof | |
| CN114436716A (en) | Facility desert saline-alkali soil improver and preparation method thereof | |
| CN114573402A (en) | Amino acid microbial organic fertilizer | |
| CN105016857A (en) | Biochar slow-release base fertilizer special for sweet potatoes and preparation method thereof | |
| CN115119701A (en) | Rice cultivation method using straw compost and environment-friendly enzyme as base fertilizer | |
| CN107382561A (en) | A kind of preparation method of high calcium moderate-element water-soluble fertilizer | |
| CN1314328A (en) | An organic potassium fertilizer and its producing method | |
| CN111621303A (en) | Saline-alkali soil conditioner 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220506 |
|
| WD01 | Invention patent application deemed withdrawn after publication |