CN115611689A - Organic liquid fertilizer for cow urine and preparation method and application thereof - Google Patents
Organic liquid fertilizer for cow urine and preparation method and application thereof Download PDFInfo
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- CN115611689A CN115611689A CN202211089329.0A CN202211089329A CN115611689A CN 115611689 A CN115611689 A CN 115611689A CN 202211089329 A CN202211089329 A CN 202211089329A CN 115611689 A CN115611689 A CN 115611689A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 67
- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 210000002700 urine Anatomy 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 230000001580 bacterial effect Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 21
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 21
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 20
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920000426 Microplastic Polymers 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 239000004021 humic acid Substances 0.000 claims abstract description 19
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 18
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 18
- 239000011575 calcium Substances 0.000 claims abstract description 18
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 18
- -1 calcium sugar alcohol Chemical class 0.000 claims abstract description 18
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 18
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 18
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 18
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims abstract description 17
- 235000019796 monopotassium phosphate Nutrition 0.000 claims abstract description 17
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims abstract description 16
- WZISDKTXHMETKG-UHFFFAOYSA-H dimagnesium;dipotassium;trisulfate Chemical compound [Mg+2].[Mg+2].[K+].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZISDKTXHMETKG-UHFFFAOYSA-H 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000000855 fermentation Methods 0.000 claims description 30
- 230000004151 fermentation Effects 0.000 claims description 30
- 241000894006 Bacteria Species 0.000 claims description 27
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 21
- 239000000706 filtrate Substances 0.000 claims description 20
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 17
- 241000186361 Actinobacteria <class> Species 0.000 claims description 13
- 241000194108 Bacillus licheniformis Species 0.000 claims description 13
- 244000063299 Bacillus subtilis Species 0.000 claims description 13
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 13
- 235000014655 lactic acid Nutrition 0.000 claims description 13
- 239000004310 lactic acid Substances 0.000 claims description 13
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 12
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 150000005846 sugar alcohols Chemical class 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004472 Lysine Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000010564 aerobic fermentation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000002068 microbial inoculum Substances 0.000 claims 4
- 238000002156 mixing Methods 0.000 claims 2
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003895 organic fertilizer Substances 0.000 abstract description 3
- 239000011591 potassium Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052700 potassium Inorganic materials 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 description 13
- 239000000243 solution Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical group OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical group OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 241000736262 Microbiota Species 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 239000003623 enhancer Substances 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical group NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 4
- 240000008067 Cucumis sativus Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 241000235070 Saccharomyces Species 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical group NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 239000011668 ascorbic acid Chemical group 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- 241001468182 Acidobacterium Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000009849 Cucumis sativus Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000235342 Saccharomycetes Species 0.000 description 1
- 239000010828 animal waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 235000001465 calcium Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004016 soil organic matter Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013582 standard series solution Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- 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
- 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
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the 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
- C05G3/80—Soil conditioners
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Soil Sciences (AREA)
- Tropical Medicine & Parasitology (AREA)
- Fertilizers (AREA)
Abstract
本发明提供了一种牛尿有机液体肥以及制备方法和应用，涉及生物有机肥技术领域，所述有机液体肥由以下组分制备：牛尿40～50份、腐殖酸85～95份、复合菌剂0.5～1.5份、微塑料1～2份、硫酸铵30～40份、磷酸二氢钾20～30份、硫酸钾6～8份、糖醇钙4.5～6.5份、硫酸钾镁1～2份、硫酸亚铁1.5～2.5份、水800～1200份；所述有机液体肥通过复合菌剂发酵牛尿和腐殖酸，加水，过滤后，滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁、硫酸亚铁得到。本发明所述液体肥在不对土壤造成污染的同时，达到提高作物产量，修复土壤金属污染的效果。The invention provides a cow urine organic liquid fertilizer and its preparation method and application, and relates to the technical field of bio-organic fertilizer. The organic liquid fertilizer is prepared from the following components: 40-50 parts of cow urine, 85-95 parts of humic acid, 0.5-1.5 parts of compound bacterial agent, 1-2 parts of microplastics, 30-40 parts of ammonium sulfate, 20-30 parts of potassium dihydrogen phosphate, 6-8 parts of potassium sulfate, 4.5-6.5 parts of calcium sugar alcohol, 1 part of potassium magnesium sulfate ～2 parts, 1.5～2.5 parts of ferrous sulfate, 800～1200 parts of water; the organic liquid fertilizer ferments cow urine and humic acid through the compound bacterial agent, adds water, and after filtering, adds microplastics, ammonium sulfate, phosphoric acid Dihydrogen Potassium, Potassium Sulfate, Calcium Sugar Alcohol, Potassium Magnesium Sulfate, and Ferrous Sulfate. The liquid fertilizer of the invention achieves the effects of increasing crop yield and repairing soil metal pollution while not polluting soil.
Description
技术领域technical field
本发明涉及生物有机肥技术领域，尤其涉及一种牛尿有机液体肥及其制备方法和应用。The invention relates to the technical field of bio-organic fertilizers, in particular to a cow urine organic liquid fertilizer and a preparation method and application thereof.
背景技术Background technique
有机肥，主要来源于植物和动物，施于土壤以提供植物营养为其主要功能的含碳物料。经生物物质、动植物废弃物、植物残体加工而来，消除了其中的有毒有害物质，富含大量有益物质，包括：多种有机酸、肽类以及包括氮、磷、钾在内的丰富的营养元素。不仅能为农作物提供全面营养，而且肥效长，可增加和更新土壤有机质，促进微生物繁殖，改善土壤的理化性质和生物活性，是绿色食品生产的主要养分。但是，同时有机肥的使用过程中，若对禽畜粪便等有机质处理不当，会造成土壤的重金属污染，所以，如何在使用有机肥的同时，防治有机肥对于土壤的污染以及治理原有的土壤中重金属的污染状况，对于本领域技术人员来说是仍待解决的技术问题。Organic fertilizers are mainly derived from plants and animals, and are carbon-containing materials that are applied to the soil to provide plant nutrition as their main function. It is processed from biomass, animal and plant waste, and plant residues to eliminate toxic and harmful substances, and is rich in a large number of beneficial substances, including: a variety of organic acids, peptides, and rich nutrients including nitrogen, phosphorus, and potassium. nutritional elements. It can not only provide comprehensive nutrition for crops, but also has long fertilizer effect, can increase and renew soil organic matter, promote microbial reproduction, improve soil physical and chemical properties and biological activity, and is the main nutrient for green food production. However, at the same time, during the use of organic fertilizers, if the organic matter such as poultry manure is not handled properly, it will cause heavy metal pollution in the soil. Therefore, how to prevent the pollution of the soil by organic fertilizers and treat the original soil while using organic fertilizers The pollution status of medium and heavy metals is a technical problem still to be solved for those skilled in the art.
在现有技术中，存在钝化等多种减少土壤重金属污染的治理方法，但是如何将其与种植所用的肥料联合应用作用，在种植作物的同时达到治理土壤污染的技术效果，是有待解决的技术问题。In the existing technology, there are many treatment methods to reduce soil heavy metal pollution, such as passivation, but how to combine them with the fertilizer used for planting to achieve the technical effect of soil pollution control while planting crops remains to be solved technical problem.
发明内容Contents of the invention
本发明的目的在于提供一种牛尿有机液体肥，在不对土壤造成污染的同时，达到提高作物产量，修复土壤金属污染的效果。The object of the present invention is to provide a cow urine organic liquid fertilizer, which can increase crop yield and repair soil metal pollution while not polluting soil.
为了实现上述发明目的，本发明提供以下技术方案：In order to achieve the above-mentioned purpose of the invention, the present invention provides the following technical solutions:
本发明提供了一种牛尿有机液体肥，由以下组分制备：The invention provides a cow urine organic liquid fertilizer, which is prepared from the following components:
牛尿40～50份、腐殖酸85～95份、复合菌剂0.5～1.5份、微塑料1～2份、硫酸铵30～40份、磷酸二氢钾20～30份、硫酸钾6～8份、糖醇钙4.5～6.5份、硫酸钾镁1～2份、硫酸亚铁1.5～2.5份、水800～1200份；40-50 parts of cow urine, 85-95 parts of humic acid, 0.5-1.5 parts of compound bacteria agent, 1-2 parts of microplastics, 30-40 parts of ammonium sulfate, 20-30 parts of potassium dihydrogen phosphate, 6-30 parts of potassium sulfate 8 parts, 4.5-6.5 parts of calcium sugar alcohol, 1-2 parts of potassium magnesium sulfate, 1.5-2.5 parts of ferrous sulfate, 800-1200 parts of water;
所述有机液体肥通过复合菌剂发酵牛尿和腐殖酸，加水，过滤后，滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁、硫酸亚铁得到。The organic liquid fertilizer ferments cow urine and humic acid through a compound bacterial agent, adds water, and after filtering, adds microplastics, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, sugar alcohol calcium, potassium magnesium sulfate, and ferrous sulfate to the filtrate get.
优选的，所述复合菌剂包括以下组分：放线菌、酵母菌、乳酸菌、枯草芽孢杆菌、地衣芽孢杆菌和硼酸赖氨酸杆菌。Preferably, the composite bacterial agent includes the following components: actinomycetes, yeast, lactic acid bacteria, Bacillus subtilis, Bacillus licheniformis and Lysinobacillus borate.
优选的，所述复合菌剂中各菌种菌液体积比为放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝3～6：3～6：3～6：3～6：8～12:8～12，各菌种菌液中活菌数量分别2×108～4×108cfu/mL。Preferably, the volume ratio of each bacterial strain in the composite bacterial agent is actinomycetes: yeast: lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: Lysinobacillus borate = 3～6:3～6:3～ 6: 3～6: 8～12: 8～12, the number of viable bacteria in the bacterial liquid of each strain was 2×10 8 ～4×10 8 cfu/mL respectively.
优选的，所述微塑料为聚乙烯或聚丙烯。Preferably, the microplastic is polyethylene or polypropylene.
优选的，所述微塑料粒径为40～48μm。Preferably, the microplastic particle size is 40-48 μm.
本发明还提供了所述牛尿有机液体肥的制备方法，包括以下步骤：The present invention also provides a preparation method of the cow urine organic liquid fertilizer, comprising the following steps:
牛尿、腐殖酸和复合菌剂混合，发酵，得发酵产物；发酵产物加水，过滤，取滤液；滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁和硫酸亚铁，搅拌混合。Mix cow urine, humic acid and compound bacterial agent, ferment to obtain fermentation products; add water to the fermentation products, filter, and take the filtrate; add microplastics, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, sugar alcohol calcium, potassium sulfate to the filtrate magnesium and ferrous sulfate, stir to combine.
优选的，所述发酵为有氧发酵，所述发酵的温度为25～45℃，所述发酵的时间为7～14天。Preferably, the fermentation is aerobic fermentation, the temperature of the fermentation is 25-45°C, and the fermentation time is 7-14 days.
优选的，所述发酵产物加水后还包括沉淀处理，所述沉淀处理的时间为5～9天，所述沉淀处理后进行过滤。Preferably, adding water to the fermentation product further includes precipitation treatment, the time of the precipitation treatment is 5-9 days, and filtering is performed after the precipitation treatment.
本发明还提供了所述牛尿有机液体肥或所述制备方法所得牛尿有机液体肥在修复土壤镉金属污染中的应用。The invention also provides the application of the cow urine organic liquid fertilizer or the cow urine organic liquid fertilizer obtained by the preparation method in remediating soil cadmium metal pollution.
本发明提供了一种牛尿有机液体肥及其制备方法，以牛尿为有机质复配腐殖酸进行发酵，采用由放线菌、酵母菌、乳酸菌、枯草芽孢杆菌、地衣芽孢杆菌和硼酸赖氨酸杆菌6种菌组成的复合菌剂充分发酵，有效解决牛尿作为肥料施用所带来的土壤污染问题，同时达到完全降解有机质的大分子营养成分的效果。通过在肥料中加入微塑料，实现播撒肥料的同时，修复土壤镉污染的技术效果，本发明所述有机液体肥通过复配原来的选择，解决了有机肥使用过程中会造成的突然污染的问题，同时修复土壤的镉金属污染，并且在此基础上促进作物的生长。The invention provides a cow urine organic liquid fertilizer and a preparation method thereof. Cow urine is used as an organic matter to compound humic acid for fermentation, and a mixture of actinomycetes, saccharomyces, lactic acid bacteria, Bacillus subtilis, Bacillus licheniformis and lysine borate is used. The compound microbial agent composed of 6 species of Acidobacterium is fully fermented, which effectively solves the soil pollution problem caused by the application of cow urine as fertilizer, and at the same time achieves the effect of completely degrading the macromolecular nutrients of organic matter. By adding microplastics to the fertilizer, the technical effect of repairing soil cadmium pollution can be achieved while spreading the fertilizer. The organic liquid fertilizer of the present invention solves the problem of sudden pollution caused during the use of organic fertilizer by compounding the original selection , while repairing the cadmium metal pollution of the soil, and on this basis, promoting the growth of crops.
具体实施方式detailed description
本发明提供了一种牛尿有机液体肥，由以下组分制备：The invention provides a cow urine organic liquid fertilizer, which is prepared from the following components:
牛尿40～50份、腐殖酸85～95份、复合菌剂0.5～1.5份、微塑料1～2份、硫酸铵30～40份、磷酸二氢钾20～30份、硫酸钾6～8份、糖醇钙4.5～6.5份、硫酸钾镁1～2份、硫酸亚铁1.5～2.5份、水800～1200份；40-50 parts of cow urine, 85-95 parts of humic acid, 0.5-1.5 parts of compound bacteria agent, 1-2 parts of microplastics, 30-40 parts of ammonium sulfate, 20-30 parts of potassium dihydrogen phosphate, 6-30 parts of potassium sulfate 8 parts, 4.5-6.5 parts of calcium sugar alcohol, 1-2 parts of potassium magnesium sulfate, 1.5-2.5 parts of ferrous sulfate, 800-1200 parts of water;
所述有机液体肥通过复合菌剂发酵牛尿和腐殖酸，加水，过滤后，滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁、硫酸亚铁得到。The organic liquid fertilizer ferments cow urine and humic acid through a compound bacterial agent, adds water, and after filtering, adds microplastics, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, sugar alcohol calcium, potassium magnesium sulfate, and ferrous sulfate to the filtrate get.
在本发明所述有机液体肥中，牛尿重量份优选为40～50份，进一步优选为42～48份，再进一步优选为44～46份。In the organic liquid fertilizer of the present invention, the weight part of cow urine is preferably 40-50 parts, more preferably 42-48 parts, and still more preferably 44-46 parts.
在本发明所述有机液体肥中，腐殖酸重量份优选为85～95份，进一步优选为88～92份，再进一步优选为89～91份。In the organic liquid fertilizer of the present invention, the weight part of humic acid is preferably 85-95 parts, more preferably 88-92 parts, and still more preferably 89-91 parts.
在本发明所述有机液体肥中，复合菌剂重量份优选为0.5～1.5份，进一步优选为0.8～1.2份，再进一步优选为1份。In the organic liquid fertilizer of the present invention, the weight part of the composite microbial agent is preferably 0.5-1.5 parts, more preferably 0.8-1.2 parts, and even more preferably 1 part.
在本发明所述有机液体肥中，微塑料重量份优选为1～2份，进一步优选为1.2～1.8份，再进一步优选为1.4～1.6份。In the organic liquid fertilizer of the present invention, the weight part of microplastics is preferably 1-2 parts, more preferably 1.2-1.8 parts, and still more preferably 1.4-1.6 parts.
在本发明所述有机液体肥中，硫酸铵重量份优选为30～40份，进一步优选为32～38份，再进一步优选为34～36份。In the organic liquid fertilizer of the present invention, the ammonium sulfate is preferably 30-40 parts by weight, more preferably 32-38 parts, and still more preferably 34-36 parts.
在本发明所述有机液体肥中，磷酸二氢钾重量份优选为20～30份，进一步优选为22～28份，再进一步优选为24～26份。In the organic liquid fertilizer of the present invention, the weight part of potassium dihydrogen phosphate is preferably 20-30 parts, more preferably 22-28 parts, and still more preferably 24-26 parts.
在本发明所述有机液体肥中，硫酸钾重量份优选为6～8份，进一步优选为6.5～7.5份，再进一步优选为6.8～7.2份。In the organic liquid fertilizer of the present invention, the weight part of potassium sulfate is preferably 6-8 parts, more preferably 6.5-7.5 parts, and still more preferably 6.8-7.2 parts.
在本发明所述有机液体肥中，糖醇钙重量份优选为4.5～6.5份，进一步优选为4.8～6.2份，再进一步优选为5.2～5.8份。In the organic liquid fertilizer of the present invention, the weight part of calcium sugar alcohol is preferably 4.5-6.5 parts, more preferably 4.8-6.2 parts, and still more preferably 5.2-5.8 parts.
在本发明所述有机液体肥中，硫酸钾镁重量份优选为1～2份，进一步优选为1.2～1.8份，再进一步优选为1.4～1.6份。In the organic liquid fertilizer of the present invention, the weight part of potassium and magnesium sulfate is preferably 1-2 parts, more preferably 1.2-1.8 parts, and still more preferably 1.4-1.6 parts.
在本发明所述有机液体肥中，硫酸亚铁重量份优选为1.5～2.5份，进一步优选为1.6～2.4份，再进一步优选为1.8～2.2份。In the organic liquid fertilizer of the present invention, the ferrous sulfate is preferably 1.5-2.5 parts by weight, more preferably 1.6-2.4 parts, and even more preferably 1.8-2.2 parts.
在本发明所述有机液体肥中，水重量份优选为800～1200份，进一步优选为900～1100份，再进一步优选为1000份。In the organic liquid fertilizer of the present invention, the weight part of water is preferably 800-1200 parts, more preferably 900-1100 parts, and still more preferably 1000 parts.
本发明所述有机液体肥中，复合菌剂优选的包括以下组分：放线菌、酵母菌、乳酸菌、枯草芽孢杆菌、地衣芽孢杆菌和硼酸赖氨酸杆菌。In the organic liquid fertilizer of the present invention, the compound bacterial agent preferably includes the following components: actinomycetes, saccharomyces, lactic acid bacteria, Bacillus subtilis, Bacillus licheniformis and lysinobacillus borate.
本发明所述有机液体肥中，放线菌、酵母菌、乳酸菌、枯草芽孢杆菌、地衣芽孢杆菌和硼酸赖氨酸杆菌通过市售购买方式获得。In the organic liquid fertilizer of the present invention, actinomycetes, saccharomycetes, lactic acid bacteria, Bacillus subtilis, Bacillus licheniformis and Lysinobacillus borate are obtained through commercial purchase.
本发明所述有机液体肥复合菌剂中，各菌种菌液体积比优选为放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝3～6：3～6：3～6：3～6：8～12:8～12，进一步优选为4～5:3.5～5.5:4～5:3.5～5.5:9～11:9～11，再进一步优选为4.5:4:4.5:4:10:10；各菌种菌液中活菌数量分别优选为2×108～4×108cfu/mL，进一步优选为2.5×108～3.5×108cfu/mL，再进一步优选为3×108cfu/mL。In the organic liquid fertilizer compound bacterial agent of the present invention, the bacterial liquid volume ratio of each bacterial species is preferably actinomycetes: yeast: lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: Lysinobacillus borate=3～6:3～ 6:3～6:3～6:8～12:8～12, more preferably 4～5:3.5～5.5:4～5:3.5～5.5:9～11:9～11, still more preferably 4.5 :4:4.5:4:10:10; the number of viable bacteria in each strain of the bacterial liquid is preferably 2×10 8 to 4×10 8 cfu/mL, more preferably 2.5×10 8 to 3.5×10 8 cfu/mL mL, still more preferably 3×10 8 cfu/mL.
本发明所述有机液体肥中，微塑料优选为聚乙烯或聚丙烯，进一步优选为聚丙烯；所述微塑料粒径优选为40～48μm，进一步优选为42～46μm，再进一步优选为44μm。In the organic liquid fertilizer of the present invention, the microplastic is preferably polyethylene or polypropylene, more preferably polypropylene; the particle size of the microplastic is preferably 40-48 μm, more preferably 42-46 μm, and still more preferably 44 μm.
本发明还提供了所述牛尿有机液体肥的制备方法，包括以下步骤：The present invention also provides a preparation method of the cow urine organic liquid fertilizer, comprising the following steps:
牛尿、腐殖酸和复合菌剂混合，发酵，得发酵产物；发酵产物加水，过滤，取滤液；滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁和硫酸亚铁，搅拌混合。Mix cow urine, humic acid and compound bacterial agent, ferment to obtain fermentation products; add water to the fermentation products, filter, and take the filtrate; add microplastics, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, sugar alcohol calcium, potassium sulfate to the filtrate magnesium and ferrous sulfate, stir to combine.
在本发明所述有机液体肥的制备方法中，牛尿、腐殖酸和复合菌剂混合，发酵，得发酵产物，发酵优选为有氧发酵，发酵温度优选为25～45℃，进一步优选为28～42℃，再进一步优选为34～36℃，发酵时间优选为7～14天，进一步优选为9～12天，再进一步优选为10天。In the preparation method of the organic liquid fertilizer of the present invention, cow urine, humic acid and compound bacterial agent are mixed and fermented to obtain a fermented product, the fermentation is preferably aerobic fermentation, and the fermentation temperature is preferably 25-45°C, more preferably 28-42°C, more preferably 34-36°C, fermentation time is preferably 7-14 days, more preferably 9-12 days, still more preferably 10 days.
在本发明所述有机液体肥的制备方法中，发酵产物加水，过滤，取滤液，优选的发酵产物加水后还包括沉淀处理，沉淀处理后进行过滤，沉淀处理的时间优选为5～9天，进一步优选为6～8天，再进一步优选为7天。In the preparation method of the organic liquid fertilizer of the present invention, the fermentation product is added with water, filtered, and the filtrate is taken. The preferred fermentation product also includes precipitation treatment after adding water, and is filtered after the precipitation treatment. The time of precipitation treatment is preferably 5 to 9 days. More preferably, it is 6 to 8 days, and still more preferably, it is 7 days.
在本发明所述有机液体肥的制备方法中，滤液中加入微塑料、硫酸铵、磷酸二氢钾、硫酸钾、糖醇钙、硫酸钾镁和硫酸亚铁，搅拌混合，得到有机液体肥。In the preparation method of the organic liquid fertilizer of the present invention, microplastics, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, calcium sugar alcohol, potassium magnesium sulfate and ferrous sulfate are added to the filtrate, stirred and mixed to obtain the organic liquid fertilizer.
本发明还提供了所述牛尿有机液体肥或制备方法所得牛尿有机液体肥在修复土壤镉金属污染中的应用。The invention also provides the application of the cow urine organic liquid fertilizer or the cow urine organic liquid fertilizer obtained by the preparation method in remediating soil cadmium metal pollution.
下面结合实施例对本发明提供的一种牛尿有机液体肥及其制备方法进行详细的说明，但是不能把它们理解为对本发明保护范围的限定。A kind of cow urine organic liquid fertilizer provided by the present invention and its preparation method are described in detail below in conjunction with the examples, but they cannot be interpreted as limiting the protection scope of the present invention.
实施例1Example 1
按照放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝4.5:4:4.5:4:10:10的体积比混合各菌液，各菌液中活菌数量分别3×108cfu/mL，得到复合菌剂。45份牛尿、90份腐殖酸和1份复合菌剂混合，35℃发酵10天，得发酵产物；发酵产物加水1000份，沉淀处理7天，过滤，取滤液；滤液中加入1.5份微塑料、35份硫酸铵、25份磷酸二氢钾、7份硫酸钾、5.5份糖醇钙、1.5份硫酸钾镁和2份硫酸亚铁，搅拌混合得有机液体肥。According to the volume ratio of Actinomycetes: Yeast: Lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: Lysinobacillus borate = 4.5:4:4.5:4:10:10, the number of viable bacteria in each bacterial solution is mixed 3×10 8 cfu/mL, respectively, to obtain a composite bacterial agent. Mix 45 parts of cow urine, 90 parts of humic acid and 1 part of compound bacterial agent, ferment at 35°C for 10 days to obtain a fermentation product; add 1000 parts of water to the fermentation product, settle for 7 days, filter, and take the filtrate; add 1.5 parts of microbiota to the filtrate Plastic, 35 parts of ammonium sulfate, 25 parts of potassium dihydrogen phosphate, 7 parts of potassium sulfate, 5.5 parts of calcium sugar alcohol, 1.5 parts of potassium magnesium sulfate and 2 parts of ferrous sulfate, stirred and mixed to obtain an organic liquid fertilizer.
实施例2Example 2
按照放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝3:3:3:3:8:8的体积比混合各菌液，各菌液中活菌数量分别2×108cfu/mL，得到复合菌剂。40份牛尿、85份腐殖酸和0.5份复合菌剂混合，25℃发酵14天，得发酵产物；发酵产物加水800份，沉淀处理5天，过滤，取滤液；滤液中加入1份微塑料、30份硫酸铵、20份磷酸二氢钾、6份硫酸钾、4.5份糖醇钙、1份硫酸钾镁和1.5份硫酸亚铁，搅拌混合得有机液体肥。According to the volume ratio of actinomycetes: yeast: lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: lysine borate=3:3:3:3:8:8, the number of live bacteria in each bacteria solution is mixed 2×10 8 cfu/mL, respectively, to obtain a composite bacterial agent. Mix 40 parts of cow urine, 85 parts of humic acid and 0.5 part of compound bacterial agent, ferment at 25°C for 14 days to obtain a fermentation product; add 800 parts of water to the fermentation product, settle for 5 days, filter, and take the filtrate; add 1 part of microbiota to the filtrate Plastic, 30 parts of ammonium sulfate, 20 parts of potassium dihydrogen phosphate, 6 parts of potassium sulfate, 4.5 parts of calcium alditol, 1 part of potassium magnesium sulfate and 1.5 parts of ferrous sulfate, stirred and mixed to obtain an organic liquid fertilizer.
实施例3Example 3
按照放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝6:6:6:6:12:12的体积比混合各菌液，各菌液中活菌数量分别4×108cfu/mL，得到复合菌剂。50份牛尿、95份腐殖酸和1.5份复合菌剂混合，45℃发酵7天，得发酵产物；发酵产物加水1200份，沉淀处理9天，过滤，取滤液；滤液中加入2份微塑料、40份硫酸铵、30份磷酸二氢钾、8份硫酸钾、6.5份糖醇钙、2份硫酸钾镁和2.5份硫酸亚铁，搅拌混合得有机液体肥。According to the volume ratio of Actinomycetes: Yeast: Lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: Lysinobacillus borate=6:6:6:6:12:12, the number of viable bacteria in each bacteria solution is mixed 4×10 8 cfu/mL, respectively, to obtain a composite microbial agent. Mix 50 parts of cow urine, 95 parts of humic acid and 1.5 parts of compound bacterial agent, ferment at 45°C for 7 days to obtain a fermentation product; add 1200 parts of water to the fermentation product, settle for 9 days, filter, and take the filtrate; add 2 parts of microbiota to the filtrate Plastics, 40 parts of ammonium sulfate, 30 parts of potassium dihydrogen phosphate, 8 parts of potassium sulfate, 6.5 parts of calcium sugar alcohol, 2 parts of potassium magnesium sulfate and 2.5 parts of ferrous sulfate, stirred and mixed to obtain an organic liquid fertilizer.
实施例4Example 4
按照放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝4:3.5:4:3.5:9:9的体积比混合各菌液，各菌液中活菌数量分别2.5×108cfu/mL，得到复合菌剂。44份牛尿、89份腐殖酸和0.8份复合菌剂混合，28℃发酵9天，得发酵产物；发酵产物加水900份，沉淀处理6天，过滤，取滤液；滤液中加入1.4份微塑料、34份硫酸铵、24份磷酸二氢钾、6.8份硫酸钾、5.2份糖醇钙、1.4份硫酸钾镁和1.8份硫酸亚铁，搅拌混合得有机液体肥。According to the volume ratio of actinomycetes: yeast: lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: lysinobacillus borate=4:3.5:4:3.5:9:9, the number of viable bacteria in each bacterial solution is mixed 2.5×10 8 cfu/mL, respectively, to obtain the composite bacterial agent. Mix 44 parts of cow urine, 89 parts of humic acid and 0.8 part of compound bacterial agent, ferment at 28°C for 9 days to obtain a fermentation product; add 900 parts of water to the fermentation product, settle for 6 days, filter, and take the filtrate; add 1.4 parts of microbiota to the filtrate Plastics, 34 parts of ammonium sulfate, 24 parts of potassium dihydrogen phosphate, 6.8 parts of potassium sulfate, 5.2 parts of calcium sugar alcohol, 1.4 parts of potassium magnesium sulfate and 1.8 parts of ferrous sulfate are stirred and mixed to obtain an organic liquid fertilizer.
实施例5Example 5
按照放线菌：酵母菌：乳酸菌：枯草芽孢杆菌：地衣芽孢杆菌：硼酸赖氨酸杆菌＝5:5.5:5:5.5:11:11的体积比混合各菌液，各菌液中活菌数量分别3.5×108cfu/mL，得到复合菌剂。46份牛尿、91份腐殖酸和1.2份复合菌剂混合，36℃发酵12天，得发酵产物；发酵产物加水1100份，沉淀处理8天，过滤，取滤液；滤液中加入1.6份微塑料、36份硫酸铵、26份磷酸二氢钾、7.2份硫酸钾、5.8份糖醇钙、1.6份硫酸钾镁和2.2份硫酸亚铁，搅拌混合得有机液体肥。According to the volume ratio of Actinomycetes: Yeast: Lactic acid bacteria: Bacillus subtilis: Bacillus licheniformis: Lysinobacillus borate=5:5.5:5:5.5:11:11, the number of viable bacteria in each bacteria solution is mixed 3.5×10 8 cfu/mL, respectively, to obtain a composite microbial agent. 46 parts of cow urine, 91 parts of humic acid and 1.2 parts of compound bacterial agent were mixed and fermented at 36°C for 12 days to obtain a fermentation product; the fermentation product was added with 1100 parts of water, precipitated for 8 days, filtered, and the filtrate was taken; Plastics, 36 parts of ammonium sulfate, 26 parts of potassium dihydrogen phosphate, 7.2 parts of potassium sulfate, 5.8 parts of calcium sugar alcohol, 1.6 parts of potassium magnesium sulfate and 2.2 parts of ferrous sulfate are stirred and mixed to obtain an organic liquid fertilizer.
实验例Experimental example
在实验地1种植黄瓜，实验组施用实施例1所得有机液体肥，采用随水灌溉的方式施用，对照组使用普通液体有机肥，购自市场，随水灌溉，实验组与对照组施肥次数和用量均保持一致。记录黄瓜出芽周期、坐果周期、整个种植期单株产量。Cucumbers were planted in experimental land 1. The organic liquid fertilizer obtained in Example 1 was used in the experimental group and applied by irrigation with water. The control group used common liquid organic fertilizer, purchased from the market, and irrigated with water. Dosages were kept the same. Record the cucumber germination cycle, fruit setting cycle, and the yield per plant throughout the planting period.
表1实验组与对照组黄瓜生长状况对比Table 1 Comparison of cucumber growth status between the experimental group and the control group
测定土壤中镉含量实验Determination of cadmium content in soil experiment
试剂和材料(所用试剂均为优级纯，所用水电阻率不低于18.2MΩ·cm，实验用玻璃器皿经过5％(v/v)硝酸浸泡，离子水冲洗干净)：硝酸、盐酸、硫酸、氢氧化钾、硫脲、抗坏血酸、镉信号增强剂1号、镉信号增强剂2号、乙醇、标准空白体系、还原剂体系；Reagents and materials (All reagents used are of superior grade, the resistivity of the water used is not less than 18.2MΩ cm, the glassware used in the experiment is soaked in 5% (v/v) nitric acid, and rinsed with ion water): nitric acid, hydrochloric acid, sulfuric acid , potassium hydroxide, thiourea, ascorbic acid, cadmium signal enhancer No. 1, cadmium signal enhancer No. 2, ethanol, standard blank system, reducing agent system;
标准空白体系的配制：称取10g硫脲、10g抗坏血酸及0.1g镉信号增强剂2号于980mL水中，后加入20mL的盐酸，不断搅拌至完全溶解；Preparation of standard blank system: Weigh 10g of thiourea, 10g of ascorbic acid and 0.1g of cadmium signal enhancer No. 2 into 980mL of water, then add 20mL of hydrochloric acid, and keep stirring until completely dissolved;
还原剂体系的配制：称取15g镉信号增强剂1号、2.5g氢氧化钾于20mL水中，加入100mL乙醇，不断搅拌至试剂完全溶解，后加入380mL水。Preparation of the reducing agent system: Weigh 15g of cadmium signal enhancer No. 1 and 2.5g of potassium hydroxide in 20mL of water, add 100mL of ethanol, stir continuously until the reagents are completely dissolved, and then add 380mL of water.
仪器、设备：原子荧光光谱仪、镉元素高性能空心阴极灯、分析天平、超纯水制备系统、实验室常规玻璃器皿。Instruments and equipment: atomic fluorescence spectrometer, cadmium element high-performance hollow cathode lamp, analytical balance, ultrapure water preparation system, laboratory glassware.
实验步骤：分别称取约0.1g(精确到0.0001g)的实验组和对照组10～20cm处表层土壤样品于50mL烧杯中，加入8mL硝酸及2mL硫酸(即硝酸与硫酸比例为8:2)，于电热板上消解至溶液尽干，无白烟冒出，后用标准空白介质定容至-定体积，待测。准确吸取0.10μg/mL的镉标准溶液0.00mL(空白)、0.10mL、0.50mL、1.00mL、1.50mL、2.00mL于六个100mL容量瓶中，用标准空白介质稀释至刻度，即此标准系列溶液中镉的质量浓度分别为0.00、0.10、0.50、1.00、1.50、2.00ug/L，摇匀待测。开机设置好各项参数，待仪器稳定后方可进行测定。测定时，将标准系列溶液、供试液导入仪器中进行测定，测定供试液中待测元素含量。Experimental procedure: Weigh about 0.1g (accurate to 0.0001g) of the surface soil samples at 10-20cm of the experimental group and the control group into a 50mL beaker, add 8mL of nitric acid and 2mL of sulfuric acid (that is, the ratio of nitric acid to sulfuric acid is 8:2) , Digested on an electric heating plate until the solution was completely dry and no white smoke came out, and then fixed to a certain volume with a standard blank medium, ready to be tested. Accurately draw 0.10μg/mL cadmium standard solution 0.00mL (blank), 0.10mL, 0.50mL, 1.00mL, 1.50mL, 2.00mL into six 100mL volumetric flasks, and dilute to the mark with standard blank medium, which is the standard series The mass concentration of cadmium in the solution is 0.00, 0.10, 0.50, 1.00, 1.50, 2.00ug/L respectively, shake well and be tested. Start the machine and set various parameters, and the measurement can only be performed after the instrument is stable. During the measurement, the standard series solution and the test solution are introduced into the instrument for measurement, and the content of the elements to be tested in the test solution is determined.
表2实验组与对照组表层土壤中镉含量(mg/kg)Table 2 Cadmium content in the surface soil of the experimental group and the control group (mg/kg)
通过检测计算得实验组表层土壤中镉含量平均为0.46mg/kg，对照组表层土壤中镉含量平均为2.23mg/kg。Through detection and calculation, the average cadmium content in the surface soil of the experimental group was 0.46 mg/kg, and the average cadmium content in the surface soil of the control group was 2.23 mg/kg.
由以上实施例可知，本发明提供了一种牛尿有机液体肥及其制备方法，可有效促进作物的生长发育，提高作物产量，同时达到去除土壤镉污染的技术效果。It can be seen from the above examples that the present invention provides a cow urine organic liquid fertilizer and a preparation method thereof, which can effectively promote the growth and development of crops, increase crop yield, and simultaneously achieve the technical effect of removing cadmium pollution from soil.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.
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