CN105038801A - Compound type soil improvement agent for saline alkali soil - Google Patents
Compound type soil improvement agent for saline alkali soil Download PDFInfo
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- CN105038801A CN105038801A CN201510340724.5A CN201510340724A CN105038801A CN 105038801 A CN105038801 A CN 105038801A CN 201510340724 A CN201510340724 A CN 201510340724A CN 105038801 A CN105038801 A CN 105038801A
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- 239000002689 soil Substances 0.000 title claims abstract description 76
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 33
- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title abstract description 6
- 239000011780 sodium chloride Substances 0.000 title abstract description 6
- 239000003513 alkali Substances 0.000 title abstract description 5
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 15
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- 238000005516 engineering process Methods 0.000 claims abstract description 11
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- 150000003839 salts Chemical class 0.000 claims description 22
- 239000003607 modifier Substances 0.000 claims description 16
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 7
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 7
- RNIHAPSVIGPAFF-UHFFFAOYSA-N Acrylamide-acrylic acid resin Chemical compound NC(=O)C=C.OC(=O)C=C RNIHAPSVIGPAFF-UHFFFAOYSA-N 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- VAPQAGMSICPBKJ-UHFFFAOYSA-N 2-nitroacridine Chemical compound C1=CC=CC2=CC3=CC([N+](=O)[O-])=CC=C3N=C21 VAPQAGMSICPBKJ-UHFFFAOYSA-N 0.000 claims description 2
- 244000063299 Bacillus subtilis Species 0.000 claims description 2
- 241000193417 Brevibacillus laterosporus Species 0.000 claims description 2
- 241000187438 Streptomyces fradiae Species 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 230000003009 desulfurizing effect Effects 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 9
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- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 241000736262 Microbiota Species 0.000 abstract 1
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- 239000002440 industrial waste Substances 0.000 abstract 1
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- 230000002195 synergetic effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 18
- 238000009938 salting Methods 0.000 description 6
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910001415 sodium ion Inorganic materials 0.000 description 4
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 235000005822 corn Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003516 soil conditioner Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000007226 seed germination Effects 0.000 description 2
- 239000002681 soil colloid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 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 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000275012 Sesbania cannabina Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 231100000433 cytotoxic Toxicity 0.000 description 1
- 230000001472 cytotoxic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
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- 230000000050 nutritive effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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- 230000003381 solubilizing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- 239000008107 starch Substances 0.000 description 1
- 230000014793 stomatal movement Effects 0.000 description 1
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Landscapes
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a compound type soil improvement agent for saline alkali soil. The compound type soil improvement agent mainly comprises the following components in parts by weight: 15-25 parts of desulfuration wastes, 15-25 parts of acrylamide-acrylate copolymer, 30-60 parts of straw, 5-10 parts of ash generated from biomass burning, and 5-10 parts of a compound microbial agent. During the preparation process, the materials are mixed by a high-speed mixer, and then pelletized to prepare the soil improvement agent, and the soil improvement agent is spread before ploughing. Compared with other improvement agents, the soil improvement agent provided by the invention has the following advantages: chemical improvement and biological improvement technologies are combined, so that the land salinization is reduced, the soil fertility is strengthened, the crop growth is promoted, and the ecological balance of soil is kept; besides, various kinds of microbiota improve the rhizosphere micro-ecological environment, and the metabolites can reduce the usage amount of a nitrogenous fertilizer, and have an relatively good synergic effect with a chemical improvement agent, so that the soil hardening blocks are removed, and the quality of saline alkali soil is relatively comprehensively improved; moreover, most of the adopted raw materials of the improvement agent are industrial and agricultural wastes, so that the recycling of wastes is facilitated while the soil is improved.
Description
Technical field
The invention belongs to agriculture field, be specifically related to a kind of compound soil modifier of salt affected soil.
Background technology
The salinization in soil is a worldwide ecological problem, and the saline Land degree in current global range presents obvious ascendant trend.The harm of saltings to plant mainly contains the following aspects: one is the physiological drought causing plant, too much solubility salt, the osmotic pressure of the soil solution can be improved, cause the physiological drought of plant, make to absorb suff water from soil when root system and seed germination, even also cause moisture to exosmose from root cells, here plant withered, even dead; Two is harm plant tissues, arid season topsoil salinity excess accumulation easily hinders hypocotyl, at a high ph, also can cause the direct murder by poisoning of OH-to plant, salinity excess accumulation in plant tissue, protoplasma can be made to be injured, and protein synthesis is obstructed, nitrogenous mesostate accumulation, causes cytotoxic; Three is affect plant normal nutrition to absorb, and due to the competition of exchangeability Na+, plant is reduced the absorption of potassium, phosphorus and other nutritive elements, and the transfer of phosphorus also can be suppressed, thus affects the nutritional status of plant; Four is the stomatal movements affecting plant, and under the effect of high depth salt, the Starch synthesis in Stomacal guard cell is interrupted, and cell can not be closed, and plant easily arid is withered.China is saltings big country, how to improve the focus that saltings is research always.
At present, domestic alkaline land improving Application way and technology are summed up and roughly have four kinds: (1) is physically improved: level land, deep plough sun the earth which has been ploughed up, loosen the soil in time, raise landform, microcell is improved the soil; (2) water conservancy improvement: fill with deploying cover, storage fresh water on saline alkali land for leaching, washing salinity by irrigation, underground salt discharge; (3) chemical modifying: gypsuming, phosphogypsum, calcium superphosphate, humic acid, peat, acid-sludge etc.; (4) biological modification: rice cultivation, plantation salt-tolerant plant sesbania etc., or use germ fertile.These methods bring larger benefit to improvement saltings, agriculture production aspect above.But traditional physically improved and water conservancy improving technology compares wastes time and energy, and some costs are very high, the large water gaging flood irrigation of some needs, wastes great lot of water resources, especially in the area that some Freshwater resources are more rare, then more inadvisable.Chemical modifying or biological modification new technology drop into relatively low, instant effect, its for novel soil conditioner be the direction of future development.Chemical modifying technology, mainly through using the soil improvement agent prepared, by adjustment soil pH, reduces Na
+table gathers, improve the modes such as soil nutrient condition improves salinized soil, disclosed in Chinese patent application CN103012016A " a kind of saline-alkali soil conditioner ", be by Different Weight than by: desulfuration waste, inorganic accelerator and organic promoter are formulated, regulate the potential of hydrogen of soil and supplement required nutrient, only adopt chemical modifying technology, improvement salting of soil phenomenon to a certain degree, improves limited efficiency; Application number is the modifying agent that patent discloses a kind of salt affected soil of 201210297471.4: its raw material is beneficial microorganism 10 ~ 30%, gypsum 5 ~ 30%, charcoal 5 ~ 20%, wood vinegar 10 ~ 20%, 732 type cation exch ange adsorption resin (H+ type) 10 ~ 20%, organic polymer 10 ~ 40%; the a large amount of use chemical substance of this soil improvement agent is raw material; itself is unfavorable for environment protection; and limited efficiency (improving 27.5%) is improved to percentage of germination, growing up to affect on the later stage does not have relevant report.Biological modification technology is using soil beneficial microorganism as soil improvement agent, and the particularly application of vinelandii and phosphate solubilizing bacteria is a kind of method of sustainable use.As Chinese patent CN104371735A discloses a kind of microbe soil conditioner, optimize rhizosphere environment, improve the salinization phenomenon of soil.But only adopt a kind of soil amelioration techniques deal with problems single, improve limited efficiency.
Summary of the invention
Object of the present invention mainly provides one can improve salt soda balance, chessom, water conservation, fertilizer conservation, the compound soil modifier of root system of plant microbial environment of breathing freely, improve, thus makes up single type soil improvement agent the deficiencies in the prior art.
Technical scheme of the present invention is:
A compound soil modifier for salt affected soil, its weight part consists of: the copolymer 15 ~ 25 parts of desulfuration waste 15 ~ 25 parts, acrylamide-acrylicacid salt, stalk 30 ~ 60 parts, black 5 ~ 10 parts of biomass, microbial agent 5 ~ 10 parts.
Preferably, its weight part consists of: desulfuration waste 20 parts, acrylamide and acrylic acid copolymer 20 parts, stalk 45 parts, black 7 parts of biomass, microbial agent 8 parts.
Above prescription is added homogenizer by proportioning be pulverized and mixed, modifying agent is powdery small-particle, and particle diameter is 40-60 order.
Wherein, described desulfuration waste is coal-burning power plant's wet fuel gas desulfurizing technology byproduct.Preferred desulfurated plaster.
Biomass in the present invention are black be biomass then after ash content, the trace element that wherein content is a large amount of.
The present invention utilizes desulfuration waste, the calcium ion (Ca especially in desulfurated plaster
2+) exchange replaceability sodium ion (Na on soil colloid
+from the Na in soil
2cO
3, NaHCO
3), make sodium ion enter the soil solution from soil colloid, replacement becomes Na
2sO4, sodium ion can with oozing under irrigation water or draining via discharge channel.Thus reduce the basicity of soil, improve the physical behavior of soil and the crumb structure of soil.Meanwhile, the calcium (Ca) in desulfurated plaster and sulphur (S) element are important plant nutrient ingredient, and suitable supplements the growth that these two kinds of nutrients can promote plant.
Wherein, the multipolymer of described acrylamide-acrylicacid salt comprises each component of following weight ratio: acrylamide 65-66, potassium acrylate 23-24, water 8-10, linking agent 0.5-1.0, and formed by this each copolymerize crosslinking reaction, there is good Water-saving effect.
Wherein, described microbial agent is the several of a kind of or any collocation in vinelandii, Bacillus subtilus and Brevibacillus laterosporus, streptomyces fradiae.
Compared with prior art, the present invention has following beneficial effect:
Advantage of the present invention is for combining chemical modifying and biological modification technology, ratio in optimum between many groups component effectively combines, decrease saline Land, strengthen soil fertility, promote plant growth, keep soil ecology balance, simultaneously, multiple-microorganism group improves root system micro-ecological environment, its meta-bolites can lower the usage quantity of nitrogenous fertilizer, good synergy is had with chemical improvement agent, mutually promote, eliminate soil compaction block, the more comprehensive quality improving salt affected soil, for seed germination provides adapt circumstance, for the development of green food provides effective way, percentage of germination and the growth environment of plant are all improved significantly, there is important society, economic benefit and widely application prospect.It is worth mentioning that, adopt raw material major part for agriculture and industry waste, while improving soil, be conducive to the recycling of waste.
Embodiment
Following examples are that the present invention goes out to set forth further
Embodiment 1
A compound soil modifier for salt affected soil, described each material component by weight: desulfuration waste 15 parts, acrylamide and acrylic acid copolymer 25 parts, stalk 45 parts, black 7 parts of biomass, microbial agent 8 parts
Embodiment 2
A compound soil modifier for salt affected soil, described each material component by weight: desulfuration waste 25 parts, acrylamide and acrylic acid copolymer 25 parts, stalk 30 parts, black 5 parts of biomass, microbial agent 15 parts
Embodiment 3
A compound soil modifier for salt affected soil, described each material component by weight: desulfuration waste 25 parts, acrylamide and acrylic acid copolymer 15 parts, stalk 45 parts, black 10 parts of biomass, microbial agent 5 parts
Embodiment 4
A compound soil modifier for salt affected soil, described each material component by weight: desulfuration waste 15 parts, acrylamide and acrylic acid copolymer 15 parts, stalk 60 parts, black 5 parts of biomass, microbial agent 5 parts
Embodiment 5
A compound soil modifier for salt affected soil, described each material component by weight: desulfuration waste 20 parts, acrylamide and acrylic acid copolymer 20 parts, stalk 45 parts, black 7 parts of biomass, microbial agent 8 parts.
application example 1
Within 20114, carry out application test in saltings, Xi'an, Shaanxi, after testing its soil salt content 0.27%, soil pH value 8.6, long-term cropping corn.
Soil improvement method: before corn seeding, spreads fertilizer over the fields the soil improvement agent 200kg/ mu of preparation in embodiment 1, harrows even.Reclamation result: significantly improve the plant height of corn, number of productive ear, spike length, thousand seed weight and output, and except plant height, difference all reaches pole conspicuous level.Use modifying agent and improve number of productive ear 59.1%, increase spike length 15.3%, thousand seed weight increases by 32.2%, and volume increase reaches 91.3%.
The above embodiment only have expressed the embodiment of the application, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the application's protection domain.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from technical scheme design, can also make some distortion and improvement, these all belong to the protection domain of the application.
Claims (7)
1. the compound soil modifier of a salt affected soil, it is characterized in that, its weight part consists of: the copolymer 15 ~ 25 parts of desulfuration waste 15 ~ 25 parts, acrylamide-acrylicacid salt, stalk 30 ~ 60 parts, black 5 ~ 10 parts of biomass, microbial agent 5 ~ 10 parts.
2. the compound soil modifier of a kind of salt affected soil according to claim 1, it is characterized in that, its weight part consists of: desulfuration waste 20 parts, acrylamide and acrylic acid copolymer 20 parts, stalk 45 parts, black 7 parts of biomass, microbial agent 8 parts.
3. the compound soil modifier of a kind of salt affected soil according to claim 1, is characterized in that, modifying agent is powdered granule, and particle diameter is 40-60 order.
4. the compound soil modifier of a kind of salt affected soil according to any one of claim 1-3, is characterized in that, described desulfuration waste is coal-burning power plant's wet fuel gas desulfurizing technology byproduct.
5. the compound soil modifier of a kind of salt affected soil according to claim 4, is characterized in that, desulfuration waste is desulfurated plaster.
6. the compound soil modifier of a kind of salt affected soil according to any one of claim 1-3, it is characterized in that, the multipolymer of described acrylamide-acrylicacid salt is by acrylamide 65-66, potassium acrylate 23-24, water 8-10 and linking agent 0.5-1.0, and crosslinking copolymerization reaction forms.
7. the compound soil modifier of a kind of salt affected soil according to any one of claim 1-3, it is characterized in that, described microbial agent is the several of a kind of or any collocation in vinelandii, Bacillus subtilus, Brevibacillus laterosporus or streptomyces fradiae.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340724.5A CN105038801A (en) | 2015-06-19 | 2015-06-19 | Compound type soil improvement agent for saline alkali soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340724.5A CN105038801A (en) | 2015-06-19 | 2015-06-19 | Compound type soil improvement agent for saline alkali soil |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131967A (en) * | 2015-08-30 | 2015-12-09 | 常州思宇环保材料科技有限公司 | Method for preparing alkali-affected soil water retention conditioner based on desulfurized gypsum |
| CN106008008A (en) * | 2016-06-06 | 2016-10-12 | 佛山市聚成生化技术研发有限公司 | Saline-alkali soil improver composition |
| CN106147780A (en) * | 2016-07-15 | 2016-11-23 | 山东胜伟园林科技有限公司 | A kind of prevent improvement after alkaline land soil secondary pollution containing desulfurated plaster modifying agent and production technology thereof |
| CN107418585A (en) * | 2017-07-24 | 2017-12-01 | 天津市德宇生物工程技术有限公司 | A kind of saline-alkali soil conditioner |
| CN107805502A (en) * | 2017-10-31 | 2018-03-16 | 成都问达茂源科技有限公司 | A kind of utilize loses the standby soil conditioner of wine lees pickling and its application |
| CN107987844A (en) * | 2017-11-29 | 2018-05-04 | 河海大学 | A kind of microorganism formulation of coastal reclamation area strongly salined soil quick desalination 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 |
| CN108865161A (en) * | 2018-08-02 | 2018-11-23 | 沈阳化工研究院有限公司 | A kind of compound alkaline land modifying agent and its preparation and application |
| CN114014721A (en) * | 2021-12-15 | 2022-02-08 | 中农新科(苏州)有机循环研究院有限公司 | Preparation method and application of alkaline soil conditioner based on kitchen waste |
| CN118788737A (en) * | 2024-06-20 | 2024-10-18 | 平顶山市舜和农业开发有限公司 | A method for improving high-calcium saline-alkali soil |
| CN119463887A (en) * | 2024-11-11 | 2025-02-18 | 上海师范大学 | A composite saline-alkali soil conditioner and preparation method thereof |
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| CN107418585B (en) * | 2017-07-24 | 2020-11-10 | 天津市德宇生物工程技术有限公司 | Saline-alkali soil conditioner |
| CN107418585A (en) * | 2017-07-24 | 2017-12-01 | 天津市德宇生物工程技术有限公司 | A kind of saline-alkali soil conditioner |
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| CN108865161A (en) * | 2018-08-02 | 2018-11-23 | 沈阳化工研究院有限公司 | A kind of compound alkaline land modifying agent and its preparation and application |
| CN108865161B (en) * | 2018-08-02 | 2021-03-05 | 沈阳化工研究院有限公司 | Composite saline-alkali soil modifier and preparation and application thereof |
| CN114014721A (en) * | 2021-12-15 | 2022-02-08 | 中农新科(苏州)有机循环研究院有限公司 | Preparation method and application of alkaline soil conditioner based on kitchen waste |
| CN118788737A (en) * | 2024-06-20 | 2024-10-18 | 平顶山市舜和农业开发有限公司 | A method for improving high-calcium saline-alkali soil |
| CN119463887A (en) * | 2024-11-11 | 2025-02-18 | 上海师范大学 | A composite saline-alkali soil conditioner and preparation method thereof |
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