CN109704869A - A kind of citric acid organic liquid fertilizer and its preparation method and application - Google Patents
A kind of citric acid organic liquid fertilizer and its preparation method and application Download PDFInfo
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- CN109704869A CN109704869A CN201910156157.6A CN201910156157A CN109704869A CN 109704869 A CN109704869 A CN 109704869A CN 201910156157 A CN201910156157 A CN 201910156157A CN 109704869 A CN109704869 A CN 109704869A
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- citric acid
- fertilizer
- organic liquid
- liquid fertilizer
- acid organic
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title claims abstract description 231
- 239000003337 fertilizer Substances 0.000 title claims abstract description 105
- 239000007788 liquid Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000012452 mother liquor Substances 0.000 claims abstract description 33
- 238000005406 washing Methods 0.000 claims abstract description 27
- 239000005416 organic matter Substances 0.000 claims abstract description 26
- 238000000855 fermentation Methods 0.000 claims abstract description 22
- 230000004151 fermentation Effects 0.000 claims abstract description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 18
- 229940072033 potash Drugs 0.000 claims abstract description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims description 19
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 16
- 239000002686 phosphate fertilizer Substances 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical group [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 7
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 7
- 238000009395 breeding Methods 0.000 claims description 7
- 230000001488 breeding effect Effects 0.000 claims description 7
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 7
- 239000006012 monoammonium phosphate Substances 0.000 claims description 7
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 6
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 5
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 5
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical group [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 5
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 5
- 235000011151 potassium sulphates Nutrition 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 239000012141 concentrate Substances 0.000 abstract description 3
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 230000035764 nutrition Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000012805 post-processing Methods 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 13
- 239000000126 substance Substances 0.000 description 9
- 235000015097 nutrients Nutrition 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 239000003895 organic fertilizer Substances 0.000 description 5
- 230000012010 growth Effects 0.000 description 4
- 235000005979 Citrus limon Nutrition 0.000 description 3
- 244000131522 Citrus pyriformis Species 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002351 wastewater Substances 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
- 239000002028 Biomass Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004016 soil organic matter Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The present invention provides a kind of citric acid organic liquid fertilizers and its preparation method and application, belong to technical field of fertilizer production.The citric acid organic liquid fertilizer includes the organic matter of 150~200g/L, the P of the N of 100~200g/L, 50~120g/L2O5With the K of 50~100g/L2O；The organic matter is the organic matter in citric acid fermentation tail washings.The present invention has not only saved the postprocessing working procedures of tail washings using citric acid fermentation tail washings concentrate as mother liquor, but also can turn waste into wealth, and provides extensive raw material sources for citric acid organic liquid fertilizer of the present invention.Mother liquor after concentration is full of nutrition, low in cost；Mother liquor is uniformly mixed with nitrogen, phosphorus, potash fertilizer, obtained citric acid organic liquid fertilizer is applied widely, and using rear safe and non-toxic, fertilizer efficiency speed is slow to be had both, and economic benefit is good.
Description
Technical field
The invention belongs to technical field of fertilizer production, and in particular to a kind of citric acid organic liquid fertilizer and preparation method thereof and
Using.
Background technique
Chemical fertilizer abbreviation chemical fertilizer is made of chemistry and (or) physical method containing one or more of crop growths
The fertilizer of the nutrient needed.Chemical fertilizer is also referred to as inorganic fertilizer, including nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro- fertilizer, compound fertilizer etc..For a long time
Single fertilizer destroys soil texture, increases the soil weight, reduces soil penetrability, reduces field capacity, makes soil
It is hardened, the elongation and development of root system of plant are influenced, causes the Nutrient Absorption of crop and transport obstacle occur, causes crop indirectly
Yield decline.
The development of new-type fertilizer is one of necessary condition of modern agricultural development, and new-type fertilizer includes biological organic/inorganic
Compound fertilizer, biological organic fertilizer, humic acid fertilizer, trace element fertilizer, growth regulator etc..There is organic fertilizer chemical fertilizer not have
Standby a variety of advantages, for example, will not cause soil hardening, noresidue, it is safe and non-toxic, to water body and environmental contaminants etc., by
The very big concern of people.Organic fertilizer modifying agent has made a large amount of contributions in terms of administering agricultural production.
The Citric Acid Production in China is mainly with dry, corn of potato etc. for raw material, successively through feedstock processing, fermentation, extraction, purification
Etc. processes be made product.The high-concentration waste water generated during citric acid fermentation tail washings, that is, Citric Acid Production, mainly from neutralize,
Affination and ion-exchanger conditioning workshop section, the complicated component in waste water, COD (COD) is larger, and direct emission can be made
At serious pollution, mass energy can also be consumed by discharging after processing.
Summary of the invention
The problem of in view of background technique, the purpose of the present invention is to provide a kind of citric acid organic liquid fertilizer and
Preparation method and application.
The present invention provides a kind of citric acid organic liquid fertilizer, the citric acid organic liquid fertilizer includes 150~200g/L
Organic matter, the P of the N of 100~200g/L, 50~120g/L2O5With the K of 50~100g/L2O；The organic matter is citric acid hair
Organic matter in ferment tail washings.
Preferably, the citric acid organic liquid fertilizer includes the organic matter of 160g/L, the P of the N of 160g/L, 100g/L2O5With
The K of 60g/L2O。
The present invention provides the preparation methods of above-mentioned citric acid organic liquid fertilizer, include the following steps:
(1) citric acid fermentation tail washings is concentrated by evaporation, obtains mother liquor；The degree of the concentration is 15~25 times；
(2) step (1) described mother liquor is uniformly mixed with nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, obtains citric acid organic liquid fertilizer.
Preferably, step (1) described mother liquor includes the organic matter of 150~200g/L, the N of 50~100g/L, 1~10g/L
P2O5With the K of 1~20g/L2O。
Preferably, the mother liquor includes the organic matter of 160g/L, the P of the N of 60g/L, 8g/L2O5With the K of 10g/L2O。
Preferably, the temperature of step (1) described evaporation and concentration is 70~85 DEG C.
Preferably, step (2) nitrogenous fertilizer is urea and/or monoammonium phosphate；The phosphate fertilizer is monoammonium phosphate and/or phosphoric acid
Potassium dihydrogen；The potash fertilizer is potassium sulfate and/or potassium dihydrogen phosphate.
Preferably, step (2) the mixed temperature is 60~75 DEG C.
The present invention also provides above-mentioned citric acid organic liquid fertilizers to improve the application in planting soil.
Preferably, the citric acid organic liquid fertilizer is applied or is sprayed with water droplet；When the planting soil is used for cotton kind
When plant, it is 25~35L/ mus that the applied amount within a breeding time is applied or sprayed to the drop.
The utility model has the advantages that the citric acid organic liquid fertilizer includes 150 the present invention provides a kind of citric acid organic liquid fertilizer
The organic matter of~200g/L, the P of the N of 100~200g/L, 50~120g/L2O5With the K of 50~100g/L2O；The organic matter is
Organic matter in citric acid fermentation tail washings.The present invention is using citric acid fermentation tail washings concentrate as mother liquor, after both having saved tail washings
Treatment process, and can turn waste into wealth, extensive raw material sources are provided for citric acid organic liquid fertilizer of the present invention.After concentration
Mother liquor it is full of nutrition, it is low in cost；Mother liquor is uniformly mixed with nitrogen, phosphorus, potash fertilizer, obtained citric acid organic liquid fertilizer is applicable in
In extensive range, using rear safe and non-toxic, fertilizer efficiency speed is slow to be had both, and economic benefit is good.
Specific embodiment
The present invention provides a kind of citric acid organic liquid fertilizer, the citric acid organic liquid fertilizer includes 150~200g/L
Organic matter, the P of the N of 100~200g/L, 50~120g/L2O5With the K of 50~100g/L2O；The organic matter is citric acid hair
Organic matter in ferment tail washings.
It include organic matter, N, P in citric acid organic liquid fertilizer provided by the invention2O5、K2O and water.The organic matter is in institute
Stating the content in citric acid organic liquid fertilizer is 150~200g/L, preferably 155~180g/L, more preferably 160g/L.It is described
Content of the N in the citric acid organic liquid fertilizer is 100~200g/L, preferably 155~180g/L, more preferably 160g/
L.The P2O5Content in the citric acid organic liquid fertilizer is 50~120g/L, preferably 80~110g/L, more preferably
100g/L.The K2Content of the O in the citric acid organic liquid fertilizer be 50~100g/L, preferably 55~80g/L, it is more excellent
It is selected as 60g/L.The source of organic fertilizer of the present invention is the organic matter in citric acid fermentation tail washings.In the present invention, described to have
Carbon source rich in machine matter, it is more lasting than more gentle to the nutrient supply of plant, to soil texture, soil nutrient, energy, enzyme
There is highly important influence with microbial activity etc., has and promote crop nutrition content to absorb, culture fertility and improve utilization rate of fertilizer
Effect.The source of the citric acid fermentation tail washings is not particularly limited in the present invention, using citric acid known in the art
Fermentation tailing liquor source.In an embodiment of the present invention, the citric acid fermentation tail washings has from the Jiangsu China Telecom joint energy
Limit company.In the present invention, described N, P2O5And K2The source of O is lemon acid fermentation tail washings and nitrogenous fertilizer, phosphate fertilizer and potash fertilizer.It is described
Nitrogenous fertilizer is preferably urea and/or monoammonium phosphate；The phosphate fertilizer is preferably monoammonium phosphate and/or potassium dihydrogen phosphate；The potash fertilizer is excellent
It is selected as potassium sulfate and/or potassium dihydrogen phosphate.The present invention is not particularly limited the source of the nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, this field
Conventional commercial, agricultural fertilizer product that can be water-soluble.
Organic matter and N, P are rich in citric acid organic liquid fertilizer provided by the invention2O5And K2O, organic mass-energy are that soil is micro-
Biology, enzyme provide substrate abundant, promote organic nitrogen mineralization process, while can improve rhizosphere microorganisms of crops, improve plant
Resistant to diseases and insects, to reducing environmental pollution, reduce fertilizer amount, reduce agriculture production cost, improve agricultural output and quality
Etc. be all of great significance.N,P2O5And K2O also can supplement inorganic nutrients ingredient for agricultural production.Lemon provided by the invention
Lemon acid organic liquid fertilizer is applied widely, and using rear safe and non-toxic, fertilizer efficiency speed is slow to be had both, and economic benefit is good.
The present invention provides the preparation methods of above-mentioned citric acid organic liquid fertilizer, include the following steps:
(1) citric acid fermentation tail washings is concentrated by evaporation, obtains mother liquor；The degree of the concentration is 15~25 times；
(2) step (1) described mother liquor is uniformly mixed with nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, obtains citric acid organic liquid fertilizer.
Citric acid fermentation tail washings is first concentrated by evaporation by the present invention, obtains mother liquor.In the present invention, the temperature of the evaporation and concentration
Preferably 70~85 DEG C, more preferably 75~80 DEG C of degree.The degree of the evaporation and concentration is with the liquid material and evaporation before being concentrated by evaporation
Liquid material volume ratio after concentration calculates, preferably 15~25 times, more preferably 20 times.In the present invention, include in the mother liquor
Organic matter, N, P2O5And K2O.Content of the organic matter in the mother liquor is preferably 150~200g/L, more preferably 155~
180g/L, more preferably 160g/L.Content of the N in the mother liquor is preferably 50~100g/L, more preferably 55~
80g/L, more preferably 60g/L.The P2O5Content in the mother liquor is preferably 1~10g/L, more preferably 8g/L.It is described
K2Content of the O in the mother liquor is 1~20g/L, more preferably 10g/L.
After obtaining mother liquor, the mother liquor is uniformly mixed by the present invention with nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, obtains citric acid organic liquor
Body fertilizer.The present invention is on the basis of mother liquor, and additive amount of the nitrogenous fertilizer in terms of N is preferably 80~105g/L, more preferably 100g/L；
The phosphate fertilizer is with P2O5The additive amount of meter is preferably 90~99g/L, more preferably 92g/L；The potash fertilizer is with K2The additive amount of O meter
Preferably 80~99g/L, more preferably 90g/L.In the present invention, after the mother liquor and nitrogenous fertilizer, phosphate fertilizer and potash fertilizer carry out mixture,
Complexing, chelating or physical-chemical suction-operated can occur, thus the conversion process of Effective Regulation fertilizer, improve nutrient supply with
The goodness of fit of crop demand optimizes the function and effect of fertilizer.In the present invention, the mixed temperature is preferably 60~75 DEG C,
More preferably 65~70 DEG C.Mixing temperature provided by the invention is conducive to the nitrogenous fertilizer, phosphate fertilizer, potash fertilizer sufficiently dividing in mother liquor
It dissipates.In the present invention, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer are preferably added in mother liquor by the mixing.It is preferably stirred while the mixing
It mixes.The nitrogenous fertilizer, phosphate fertilizer, the addition order of potash fertilizer and rate is not particularly limited in the present invention, as long as can make the nitrogenous fertilizer, phosphorus
Fertilizer, potash fertilizer are fully dispersed in mother liquor.
Citric acid organic liquid fertilizer is prepared by raw material of citric acid fermentation tail washings in the present invention.It is rich in tail washings
Carbon source, nitrogen source and inorganic salts are nutrients necessary to crop growth, are concentrated and Liquid Fertilizer is made, and can reduce environment
Pollution reduces agriculture production cost, improves agricultural output and quality.
The present invention carries out concentration to citric acid fermentation tail washings by low-temperature evaporation technique, recycles nutrients with this
Matter.The condensed water that concentration process generates also can direct reuse.Tail washings is pipelined to vaporization cycle water tank and concentrate is mixed
Enter evaporation mold block after circulating pump is promoted and is exchanged heat to technique requirement after conjunction, after the volume of the concentrated liquid reaches requirement, by going out
Mouth is shorted in blowdown to interim ton bucket or other containers.The treatment process is simple, has not only saved the postprocessing working procedures of tail washings, but also energy
Turn waste into wealth, citric acid fermentation tail washings is used for the raw material of agricultural fertilizer.
Product fertilizer efficiency speed provided by the invention is slow to be had both, and economic benefit is good, and applied widely, preparation process flow is easy,
It can be used as the new way of citric acid fermentation tail washings processing.
The present invention also provides above-mentioned citric acid organic liquid fertilizers to improve the application in planting soil.In the present invention,
The application preferably includes following steps:
1. citric acid organic liquid fertilizer is transported in ground, applied when with crop irrigation fertilization, water-fertilizer integral, entirely
Breeding time applies 25~35L/ mus；
2. carrying out normal field management.
In the present invention, the citric acid organic liquid fertilizer is preferably applied or is sprayed with water droplet.When the planting soil is used
When cotton planting, the applied amount applied or sprayed within a breeding time of dripping is preferably 25~35L/ mus, more preferably
30L/ mus.By citric acid organic liquid fertilizer provided by the invention and chemical fertilizer compounding application, soil organic matter level can be effectively improved,
Improve soil physico-chemical property, enhances soil microbial activities, the final yield and quality for promoting crop.
Below with reference to embodiment to a kind of citric acid organic liquid fertilizer provided by the invention and its preparation method and application into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
(1) raw material components of following weight: citric acid concentrated mother liquor 1L are weighed；Monoammonium phosphate 371g；Potassium sulfate 120g；Urine
Plain 130.5g.
(2) setting evaporating temperature is 80 DEG C, low-temperature evaporation concentration is carried out to citric acid fermentation tail washings, by concentration
The monitoring of liquid product, is concentrated into 20 times for tail washings, obtains the tail washings that can carry out trickle irrigation, as mother liquor, in mother liquor containing starchiness,
The organic matters such as protein, fermentation residue, glucose, ammonia nitrogen and fat.
(3) urea, monoammonium phosphate, potassium sulfate are added into mother liquor, stirring while adding, keeping reaction temperature is 60~70
DEG C, the feed liquid being uniformly mixed.
(4) mixed uniformly feed liquid is cooling, after quality examination is qualified, sealing is filled in liquid storing barrel to get citric acid
Organic liquid fertilizer.
Using the synthesis content's index of Liquid organic fertilizer standard (DB33-T) measurement fertilizer, testing result is as shown in table 1.
1 citric acid organic liquid fertilizer quality index of table
Embodiment 2
The identical two pieces of ground of soil property is chosen, experimental group and control group are divided into.Two groups of equal plant cottons, experimental group are raw in cotton
During educating, while by guide application chemical fertilizer is cultivated, increase citric acid organic liquid fertilizer that embodiment 1 obtains (dissolved in water,
Entire breeding time applies 30L/ mus)；Control group does not apply citric acid organic liquid fertilizer, only according to traditional cultivation method, according to training
Educate guide application chemical fertilizer.Later period carries out normal field management and harvests to the end.
Different disposal is to the result of cotton growth as shown in table 2~5.
Influence of 2 different disposal of table to output of cotton
Influence of 3 different disposal of table to each breeding time biomass of cotton
Influence of 4 different disposal of table to cotton each breeding time nitrogen, P acquisition amount (kg/ha)
Influence of 5 different disposal of table to the indices of cotton Shengjing Town 0~20cm soil
As can be seen from Table 2: after applying citric acid organic liquid fertilizer provided by the invention, the yield of cotton unginned cotton increase compared with
Be it is significant, increasing production is 10.39%；Single boll weight and single bell strain number also increased, and respectively 3.30% and 8.62%.
As can be seen from Table 3: after applying citric acid organic liquid fertilizer provided by the invention, each period dry-matter accumulation of plant
Amount is promoted, and florescence and the promotion of bell phase are more significant, has increased separately 4.05% and 4.54%.
As can be seen from Table 4, applying citric acid organic liquid fertilizer provided by the invention can be improved plant nutrition uptake,
Bell phase and term of opening bolls promotion are more significant, and absorbing nitrogen amount has increased separately 6.53% and 20.63%, and P acquisition amount increases respectively
8.88% and 19.88% are added.
As can be seen from Table 5, applying citric acid organic liquid fertilizer provided by the invention can reduce Ec12.7%, and raising has
Machine matter 7.04% improves alkali-hydrolyzable nitrogen 0.74%, improves rapid available phosphorus 25.57%, improves available potassium 10.41%.The present invention is to improve
Output of cotton promotes cotton growth and increases soil fertility have good application effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of citric acid organic liquid fertilizer, which is characterized in that the citric acid organic liquid fertilizer includes having for 150~200g/L
Machine matter, the P of the N of 100~200g/L, 50~120g/L2O5With the K of 50~100g/L2O；The organic matter is citric acid fermentation tail
Organic matter in liquid.
2. citric acid organic liquid fertilizer according to claim 1, which is characterized in that the citric acid organic liquid fertilizer includes
The organic matter of 160g/L, the P of the N of 160g/L, 100g/L2O5With the K of 60g/L2O。
3. the preparation method of citric acid organic liquid fertilizer as claimed in claim 1 or 2, which comprises the steps of:
(1) citric acid fermentation tail washings is concentrated by evaporation, obtains mother liquor；The degree of the concentration is 15~25 times；
(2) step (1) described mother liquor is uniformly mixed with nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, obtains citric acid organic liquid fertilizer.
4. preparation method according to claim 3, which is characterized in that step (1) described mother liquor includes 150~200g/L's
Organic matter, the P of the N of 50~100g/L, 1~10g/L2O5With the K of 1~20g/L2O。
5. the preparation method according to claim 4, which is characterized in that the mother liquor includes the organic matter of 160g/L, 60g/L
N, the P of 8g/L2O5With the K of 10g/L2O。
6. preparation method according to claim 3, which is characterized in that the temperature of step (1) described evaporation and concentration be 70~
85℃。
7. preparation method according to claim 3, which is characterized in that step (2) nitrogenous fertilizer is urea and/or phosphoric acid one
Ammonium；The phosphate fertilizer is monoammonium phosphate and/or potassium dihydrogen phosphate；The potash fertilizer is potassium sulfate and/or potassium dihydrogen phosphate.
8. preparation method according to claim 3, which is characterized in that step (2) the mixed temperature is 60~75 DEG C.
9. prepared by preparation method described in citric acid organic liquid fertilizer as claimed in claim 1 or 2 or claim 3~8 any one
Obtained citric acid organic liquid fertilizer is improving the application in planting soil.
10. application according to claim 9, which is characterized in that the citric acid organic liquid fertilizer is applied or sprayed with water droplet
It applies；When the planting soil is used for cotton planting, the drop apply or spray applied amount within a breeding time be 25~
35L/ mus.
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