CN106380288A - Modified zeolite-based soil amendment for saline-alkali land and preparation method thereof - Google Patents
Modified zeolite-based soil amendment for saline-alkali land and preparation method thereof Download PDFInfo
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- CN106380288A CN106380288A CN201610754125.2A CN201610754125A CN106380288A CN 106380288 A CN106380288 A CN 106380288A CN 201610754125 A CN201610754125 A CN 201610754125A CN 106380288 A CN106380288 A CN 106380288A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
-
- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a modified zeolite-based soil amendment for saline-alkali land. Raw materials of the soil amendment comprise, by weight, 1000-1500 parts of modified zeolite, 1000-1300 parts of polyacrylamide, 1000-1500 parts of chitosan, 800-1200 parts of powdered rock phosphate, 1200-1800 parts of nano-calcium carbonate, 35-50 parts of peat, 10-20 parts of calcium humate, 50-80 parts of magnesium sulfate, 60-90 parts of a compound enzyme preparation and 30-60 parts of ferment bacteria. By the use of the soil amendment for saline-alkali land with modified zeolite as a carrier, nutrient release speed of a fertilizer in soil can be effectively reduced, fertilizer efficiency period is long, and pollution to the environment and water body is reduced. In addition, the product has good functions of holding moisture, loosening soil and preventing soil hardening, etc.
Description
Technical field
The present invention relates to a kind of saline-alkali land soil conditioner based on modified zeolite and preparation method thereof.
Background technology
The salinization of soil is larger to soil physico-chemical property destruction ratio, and pole is unfavorable for the growth of many crops, easily causes work
Thing is short of seedling or dead, thus hindering the development of agricultural economy.Salt-soda soil is many due to salt content, and organic quality is few, and acid-base value is high, makes
Agron suffers leaching loss, and soil texture is destroyed, glutinous when showing as wet, and hard when dry, native table often has white salinity accumulation,
Ventilation, permeable bad, serious meeting causes plant wilt, poisoning and rotten death.In addition, surface soil alkalinity is too big, have influence on soil
The validity of the nutrients such as the phosphorus in earth, iron, manganese, boron, zinc, easily causes a large amount of nitrogen, phosphorus, potassium essential element and iron, calcium, boron
Shortage Deng trace element.
Do slow having of control mistake material with regard to zeolite for carrier much to report, using crystal structure and the height cation of zeolite
Exchange capacity, can be used as the excellent base-material of slow controlled release.Natural zeolite is the hydrous alumino silicates mineral of family's rack-like construction, zeolite
Crystal structure be by silicon (aluminium) oxygen tetrahedron be linked to be three-dimensional screen work, have hole of all sizes and passage in screen work.
But simple employing zeolite is used as the carrier effect of fertilizer bad as slow controlled-release material, need zeolite is carried out physics and
Chemical modification, and add a certain amount of complex material.
At present, it is common to use secondary salinization of land soil and fertilizer, controlled release properties are poor, not manage more than the slow release effect of fertilizer
Think it is impossible to lasting improves to salt-soda soil.
Content of the invention
The technical problem to be solved in the present invention is to overcome existing defect, provides a kind of salt-soda soil based on modified zeolite soil
Earth modifying agent, it is based on modified zeolite, can play the effect of sustained release, the soil quality of lasting improvement secondary salinization of land.
The technical scheme is that：
A kind of saline-alkali land soil conditioner based on modified zeolite, according to the mass fraction, its composition of raw materials is as follows：
1000～1500 parts of modified zeolite, 1000～1300 parts of polyacrylamide, 1000～1500 parts of shitosan, ground phosphate rock
800～1200 parts, 1200～1800 parts of nano-calcium carbonate, 35～50 parts of turf, 10～20 parts of calcium humate, magnesium sulfate 50～80
Part, 60～90 parts of complex enzyme formulation, 30～60 parts of ferment bacterium.
Preferably, its composition of raw materials of this saline-alkali land soil conditioner based on modified zeolite is as follows：
1200 parts of modified zeolite, 1000 parts of polyacrylamide, shitosan 1200, ground phosphate rock 1000, nano-calcium carbonate 1500
Part, 40～45 parts of turf, 15 parts of calcium humate, 60～70 parts of magnesium sulfate, 70～85 parts of complex enzyme formulation, ferment bacterium 40～50
Part.
Further, described ferment bacterium includes 10 parts of following phosphate solubilizing bacteria, 15 parts of potassium solubilizing bacteria, saccharomycete according to the mass fraction
25 parts, 10 parts of actinomyces.
Further, the saccharomycete in described ferment bacterium is one of smelly aspergillus, aspergillus niger, Trichoderma viride or several
Kind.
Further, described complex enzyme formulation contains amylase, protease, lipase and cellulase.
Further, it is somebody's turn to do the saline-alkali land soil conditioner based on modified zeolite, using following methods preparation：
1), modified zeolite is pulverized, be then proportionally added into nano-calcium carbonate, polyacrylamide, shitosan, ground phosphate rock,
Calcium humate, complex enzyme formulation, add suitable quantity of water so that the water content control of raw material is 55～78%；
2) by 1) described in fermenting raw materials 5～10 days, carry out fermenting for the first time, obtain first time tunning；
3), magnesium sulfate and ferment bacterium are mixed, adjustment water content is 85～95%；
4), by 2) first time tunning stirring radiating, add 3) in mix bacterium agent, add suitable quantity of water, stir,
Water content control 60～80%, carries out second fermentation, ferments 7～14 days, obtains second tunning；
5), by second tunning dried process, obtain the saline-alkali land soil conditioner based on modified zeolite.
When average room temperature is higher than 20 DEG C, step 1) in water content control 70%～78%, step 2) in first
Secondary fermentation time is 5～6 days；Step 3) in 4 water content control 75%～80%, second fermentation time is 7～10 days；
When average room temperature is less than 20 DEG C, step 1) in water content control 55%～70%, step 2) in first time fermentation when
Between be 6～10 days；Step 3) in 4 water content control 60%～75%, second fermentation time is 10～14 days.
In the present invention, the preparation method of described modified zeolite is it is characterised in that carry out according to the following steps：
(1), by natural zeolite through 200 DEG C of -400 DEG C of high-temperature process 1.5h-3h, after crushing and screening, use 0.5-2mol/l simultaneously
Salt acid soak 0.5h-2h carry out framework dealumination；
(2) the trickle powder of 200 mesh -300 purpose will be ground to powder equipment after the Zeolite dehydration after acid treatment, be obtained and change
Property zeolite.
The saline-alkali land soil conditioner that the present invention is prepared with modified zeolite for carrier, can effectively reduce fertilizer in soil
Nutrient releasing speed reduces, and the fertilizer efficiency cycle is long, and the pollution to environment and water body reduces, and have good water conservation loosen the soil, anti-
The only function such as soil compaction.
The present invention adds calcium humate, can remove the sodium ion in soil, simultaneously in humic acid and certain alkalescence, applies
Enter notable alleviation alkalization of soils after soil, increase Soil Available nitrogen nutrient.
Ferment bacterium is a kind of external Inoculant of highly desirable compost, and it is by this micro- life of three classes of actinomyces, bacterium and fungi
24 kinds of beneficial bacterium compositions in thing, they produce active material and multiple enzyme in metabolism and physiological activity, therefore increase
The strong ability of the organic matter such as its decomposition of cellulose, indissoluble mineral matter and inorganic matter.
After compounding with shitosan, polyacrylamide after Zeolite modifying, absorption property and colloidal property strengthen, and meet in soil
Form micron during water to the built-in net of nanoscale, " parcel " and water and fertilizer coupling are carried out to chemical fertilizer nutrient, reaches and slowly release
The effect put, reduce loss, improving chemical fertilizer utilization ratio；
The present invention prepares humic acid organic fertilizer using calcium humate, ferment bacterium, has no coupling product, strong operability, and has
The advantages of effect controls production cost.The Enzymatic calcium humate organic fertilizer that the inventive method produces contains organic needed for crops
Matter, necessarily can play the effect of improved soil on depth.The present invention uses modified zeolite, contains substantial amounts of egg in modified zeolite
White matter, can significantly improve the nutrition of soil；The present invention uses phosphate solubilizing bacteria to keep soil aggregate, using ground phosphate rock water conservation,
Reach the effect improving salt-soda soil.
Complex enzyme formulation and polyacrylamide have good biocompatibility, adhesiveness, are wrapped in fertilizer surface, permissible
Limit the release of nutrient in fertilizer, thus reaching good slow release effect.Nano-calcium carbonate can increase the porosity of soil, keeps away
Exempt from soil compaction.
Specific embodiment
Hereinafter the preferred embodiments of the present invention are illustrated it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of saline-alkali land soil conditioner based on modified zeolite, according to the mass fraction, its composition of raw materials is as follows：
1000 parts of modified zeolite, 1300 parts of polyacrylamide, 1000 parts of shitosan, 1200 parts of ground phosphate rock, nano-calcium carbonate
1200 parts, 50 parts of turf, 10 parts of calcium humate, 80 parts of magnesium sulfate, 0 part of amylase 2,20 parts of protease, 20 parts of lipase, fiber
Plain enzyme 30,5 parts of phosphate solubilizing bacteria, 7.5 parts of potassium solubilizing bacteria, 12.5 parts of saccharomycete and 5 parts of actinomyces.
The saline-alkali land soil conditioner based on modified zeolite of the present invention, using following methods preparation：
1), modified zeolite is pulverized, be then proportionally added into nano-calcium carbonate, polyacrylamide, shitosan, ground phosphate rock,
Calcium humate, complex enzyme formulation, add suitable quantity of water so that the water content control of raw material is 55～78%；
2) by 1) described in fermenting raw materials 5～10 days, carry out fermenting for the first time, obtain first time tunning；
3), magnesium sulfate and ferment bacterium are mixed, adjustment water content is 85～95%；
4), by 2) first time tunning stirring radiating, add 3) in mix bacterium agent, add suitable quantity of water, stir,
Water content control 60～80%, carries out second fermentation, ferments 7～14 days, obtains second tunning；
5), by second tunning dried process, obtain the saline-alkali land soil conditioner based on modified zeolite.
Embodiment 2
A kind of saline-alkali land soil conditioner based on modified zeolite, according to the mass fraction, its composition of raw materials is as follows：
1500 parts of modified zeolite, 1000 parts of polyacrylamide, 1500 parts of shitosan, 800 parts of ground phosphate rock, nano-calcium carbonate
1800 parts, 35 parts, 20 parts calcium humates of turf, 50 parts of magnesium sulfate, 10 parts of amylase, 10 parts of protease, 20 parts of lipase and fibre
Plain 20 parts of the enzyme of dimension, 10 parts of phosphate solubilizing bacteria, 15 parts of potassium solubilizing bacteria, 25 parts of saccharomycete, 10 parts of actinomyces.
The saline-alkali land soil conditioner based on modified zeolite of the present invention, using following methods preparation：
1), modified zeolite is pulverized, be then proportionally added into nano-calcium carbonate, polyacrylamide, shitosan, ground phosphate rock,
Calcium humate, complex enzyme formulation, add suitable quantity of water so that the water content control of raw material is 55～78%；
2) by 1) described in fermenting raw materials 5～10 days, carry out fermenting for the first time, obtain first time tunning；
3), magnesium sulfate and ferment bacterium are mixed, adjustment water content is 85～95%；
4), by 2) first time tunning stirring radiating, add 3) in mix bacterium agent, add suitable quantity of water, stir,
Water content control 60～80%, carries out second fermentation, ferments 7～14 days, obtains second tunning；
5), by second tunning dried process, obtain the saline-alkali land soil conditioner based on modified zeolite.
Embodiment 3
A kind of saline-alkali land soil conditioner based on modified zeolite, according to the mass fraction, its composition of raw materials is as follows：
1200 parts of modified zeolite, 1000 parts of polyacrylamide, 1200 parts of shitosan, 1000 parts of ground phosphate rock, nano-calcium carbonate
1500 parts, 45 parts of turf, 15 parts of calcium humates, 60 parts of magnesium sulfate, 0 part of amylase 2,20 parts of protease, 15 parts of lipase, fiber
30 parts of plain enzyme, 10 parts of phosphate solubilizing bacteria, 10 parts of potassium solubilizing bacteria, 10 parts of saccharomycete, 10 parts of actinomyces.
The saline-alkali land soil conditioner based on modified zeolite in the present invention adopts the method in embodiment 1.
Embodiment 4
A kind of saline-alkali land soil conditioner based on modified zeolite, according to the mass fraction, its composition of raw materials is as follows：
1200 parts of modified zeolite, 1100 parts of polyacrylamide, 1200 parts of shitosan, 1000 parts of ground phosphate rock, nano-calcium carbonate
1500 parts, 40 parts of turf, 15 parts of calcium humates, 70 parts of magnesium sulfate, 15 parts of amylase, 15 parts of protease, 10 parts of lipase, fiber
30 parts of plain enzyme, 10 parts of phosphate solubilizing bacteria, 10 parts of potassium solubilizing bacteria, 20 parts of saccharomycete, 10 parts of actinomyces.
The saline-alkali land soil conditioner based on modified zeolite in the present invention adopts the method in embodiment 2.
The saline-alkali land soil conditioner that the present invention is prepared with modified zeolite for carrier, can effectively reduce fertilizer in soil
Nutrient releasing speed reduces, and the fertilizer efficiency cycle is long, and the pollution to environment and water body reduces, and have good water conservation loosen the soil, anti-
The only function such as soil compaction.
The present invention adds calcium humate, can remove the sodium ion in soil, simultaneously in humic acid and certain alkalescence, applies
Enter notable alleviation alkalization of soils after soil, increase Soil Available nitrogen nutrient.
Ferment bacterium is a kind of external Inoculant of highly desirable compost, and it is by this micro- life of three classes of actinomyces, bacterium and fungi
24 kinds of beneficial bacterium compositions in thing, they produce active material and multiple enzyme in metabolism and physiological activity, therefore increase
The strong ability of the organic matter such as its decomposition of cellulose, indissoluble mineral matter and inorganic matter.
After compounding with shitosan, polyacrylamide after Zeolite modifying, absorption property and colloidal property strengthen, and meet in soil
Form micron during water to the built-in net of nanoscale, " parcel " and water and fertilizer coupling are carried out to chemical fertilizer nutrient, reaches and slowly release
The effect put, reduce loss, improving chemical fertilizer utilization ratio；
The present invention prepares humic acid organic fertilizer using calcium humate, ferment bacterium, has no coupling product, strong operability, and has
The advantages of effect controls production cost.The Enzymatic calcium humate organic fertilizer that the inventive method produces contains organic needed for crops
Matter, necessarily can play the effect of improved soil on depth.The present invention uses modified zeolite, contains substantial amounts of egg in modified zeolite
White matter, can significantly improve the nutrition of soil；The present invention uses phosphate solubilizing bacteria to keep soil aggregate, using ground phosphate rock water conservation,
Reach the effect improving salt-soda soil.
Complex enzyme formulation and polyacrylamide have good biocompatibility, adhesiveness, are wrapped in fertilizer surface, permissible
Limit the release of nutrient in fertilizer, thus reaching good slow release effect.Nano-calcium carbonate can increase the porosity of soil, keeps away
Exempt from soil compaction.
Finally it should be noted that：The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (7)
1. it is characterised in that according to the mass fraction, its composition of raw materials is such as a kind of saline-alkali land soil conditioner based on modified zeolite
Under：
1000～1500 parts of modified zeolite, 1000～1300 parts of polyacrylamide, 1000～1500 parts of shitosan, ground phosphate rock 800
～1200 parts, 1200～1800 parts of nano-calcium carbonate, 35～50 parts of turf, 10～20 parts of calcium humate, 50～80 parts of magnesium sulfate,
60～90 parts of complex enzyme formulation, 30～60 parts of ferment bacterium.
2. as claimed in claim 1 a kind of saline-alkali land soil conditioner based on modified zeolite it is characterised in that press mass parts
Number meter, its composition of raw materials is as follows：
1200 parts of modified zeolite, 1000 parts of polyacrylamide, 1200 parts of shitosan, 1000 parts of ground phosphate rock, nano-calcium carbonate 1500
Part, 40～45 parts of turf, 15 parts of calcium humate, 60～70 parts of magnesium sulfate, 70～85 parts of complex enzyme formulation, ferment bacterium 40～50
Part.
3. as claimed in claim 1 or 2 a kind of saline-alkali land soil conditioner based on modified zeolite it is characterised in that described
Ferment bacterium include 10 parts of phosphate solubilizing bacteria, 15 parts of potassium solubilizing bacteria, 25 parts of saccharomycete, 10 parts of actinomyces according to the mass fraction.
4. as claimed in claim 1 a kind of saline-alkali land soil conditioner based on modified zeolite it is characterised in that described answers
Synthase preparation includes amylase, protease, lipase and cellulase.
5. described a kind of saline-alkali land soil conditioner based on modified zeolite as arbitrary in Claims 1 to 4 it is characterised in that
Using following methods preparation：
1), modified zeolite is pulverized, be then proportionally added into nano-calcium carbonate, polyacrylamide, shitosan, ground phosphate rock, rotten plant
Sour calcium, complex enzyme formulation, add suitable quantity of water so that the water content control of raw material is 55～78%；
2) by 1) described in fermenting raw materials 5～10 days, carry out fermenting for the first time, obtain first time tunning；
3), magnesium sulfate and ferment bacterium are mixed, adjustment water content is 85～95%；
4), by 2) first time tunning stirring radiating, add 3) in mix bacterium agent, add suitable quantity of water, stir, aqueous
Amount controls 60～80%, carries out second fermentation, ferments 7～14 days, obtains second tunning；
5), by second tunning dried process, obtain the saline-alkali land soil conditioner based on modified zeolite.
6. as claimed in claim 5 a kind of saline-alkali land soil conditioner based on modified zeolite it is characterised in that work as average room
When temperature is higher than 20 DEG C, step 1) in water content control 70%～78%, step 2) in first time fermentation time be 5～6
My god；Step 3) in 4 water content control 75%～80%, second fermentation time is 7～10 days.
7. as claimed in claim 5 a kind of saline-alkali land soil conditioner based on modified zeolite it is characterised in that work as average room
When temperature is less than 20 DEG C, step 1) in water content control 55%～70%, step 2) in first time fermentation time be 6～10
My god；Step 3) in 4 water content control 60%～75%, second fermentation time is 10～14 days.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108424282A (en) * | 2018-05-29 | 2018-08-21 | 深圳市芭田生态工程股份有限公司 | Greenhouse crops functional living being complex fertilizer |
| CN109293429A (en) * | 2018-10-23 | 2019-02-01 | 湖南杂交水稻研究中心 | A kind of alkaline land modifying agent and preparation method thereof |
| CN109734510A (en) * | 2019-02-20 | 2019-05-10 | 籍艳华 | One kind is loosened the soil fertilizer conservation fertilizer and preparation method thereof |
| CN112552127A (en) * | 2020-12-10 | 2021-03-26 | 天津大学 | Functional organic fertilizer capable of repairing and increasing yield simultaneously |
| CN113880666A (en) * | 2021-09-29 | 2022-01-04 | 浙江省农业科学院 | Mineral-based soil conditioner for improving coastal saline soil and preparation method thereof |
| CN115088564A (en) * | 2022-05-24 | 2022-09-23 | 山东省农业科学院 | Water-inhibiting and salt-inhibiting ecological efficient cultivation method for asparagus in coastal saline-alkali land |
| CN115505396A (en) * | 2022-08-09 | 2022-12-23 | 山东金铎农业科技有限公司 | Special soil modifier |
-
2016
- 2016-08-29 CN CN201610754125.2A patent/CN106380288A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108424282A (en) * | 2018-05-29 | 2018-08-21 | 深圳市芭田生态工程股份有限公司 | Greenhouse crops functional living being complex fertilizer |
| CN109293429A (en) * | 2018-10-23 | 2019-02-01 | 湖南杂交水稻研究中心 | A kind of alkaline land modifying agent and preparation method thereof |
| CN109734510A (en) * | 2019-02-20 | 2019-05-10 | 籍艳华 | One kind is loosened the soil fertilizer conservation fertilizer and preparation method thereof |
| CN112552127A (en) * | 2020-12-10 | 2021-03-26 | 天津大学 | Functional organic fertilizer capable of repairing and increasing yield simultaneously |
| CN113880666A (en) * | 2021-09-29 | 2022-01-04 | 浙江省农业科学院 | Mineral-based soil conditioner for improving coastal saline soil and preparation method thereof |
| CN115088564A (en) * | 2022-05-24 | 2022-09-23 | 山东省农业科学院 | Water-inhibiting and salt-inhibiting ecological efficient cultivation method for asparagus in coastal saline-alkali land |
| CN115088564B (en) * | 2022-05-24 | 2023-07-07 | 山东省农业科学院 | Ecological efficient cultivation method for inhibiting water and salt of asparagus in coastal saline-alkali soil |
| CN115505396A (en) * | 2022-08-09 | 2022-12-23 | 山东金铎农业科技有限公司 | Special soil modifier |
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