CN104892166A - Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer - Google Patents

Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer Download PDF

Info

Publication number
CN104892166A
CN104892166A CN201510291536.8A CN201510291536A CN104892166A CN 104892166 A CN104892166 A CN 104892166A CN 201510291536 A CN201510291536 A CN 201510291536A CN 104892166 A CN104892166 A CN 104892166A
Authority
CN
China
Prior art keywords
ammonium nitrate
urea
parts
fertilizer
liquid nitrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510291536.8A
Other languages
Chinese (zh)
Inventor
张彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510291536.8A priority Critical patent/CN104892166A/en
Publication of CN104892166A publication Critical patent/CN104892166A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer and a preparation method thereof. The synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer contains ammonium phosphorus nitrate, urea, water, thiophosphoryl n-butyl triamide, polyacrylamide, 3,4-dimethylpyrazolyl phosphate, ore-derived fulvic acid and chitooligosaccharide. The liquid nitrogen fertilizer has the advantages of quick effect taking and long acting time, enhances the utilization ratio of the nitrogen nutrient, and prolongs the retention time of the nitrogen nutrient in soil. The liquid nitrogen fertilizer can condition the soil and avoid the problems of hardening soil-borne diseases and the like. The liquid nitrogen fertilizer has the advantages of simple production technique and low cost, and is beneficial to large-scale popularization.

Description

A kind of Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer
Technical field
The present invention relates to a kind of composition, in particular to a kind of Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer.
Background technology
Along with the fast development of China's industrialized agriculture, standby popularizing is arranged in drip irrigation and punching, and the liquid water-soluble fertilizer of China is developed rapidly.Utilize urea and the composite ammonium nitrate urea solution of ammonium nitrate can fast for plant growth provides ammonium nitrogen and nitric nitrogen simultaneously, and do not need the conversion through soil microorganisms, having production simultaneously and simply, not contain other advantages such as objectionable impurities, safety convenient, is all a kind of liquid nitrogen fertilizer extensively used in the whole world.But ammonium nitrate urea liquid nitrogenous fertilizer grow fast for crop nitrogen nutrition is provided while also there is the problem that fertilizer efficiency period is short, utilization ratio is low, need repeatedly to apply fertilizer in crop growth period, this not only expends fertilizer, make to use cost increase, the problem such as also easily cause soil acidification, soil-borne disease, harden, and bring the risk of environmental pollution.In addition, the nitric nitrogen that ammonium nitrate urea liquid nitrogenous fertilizer contains enough supplies the quick demand of crop for nitric nitrogen, if there is the nitric nitrogen that a large amount of ammonium nitrogens transforms again, can accumulate in a large number in the soil in veterinary antibiotics farmland, nitrate content in veterinary antibiotics fruit can be caused too high, and it is unfavorable to bring to HUMAN HEALTH.The amidonitrogen contained in ammonium nitrate urea liquid nitrogenous fertilizer and nitric nitrogen and to have the material of synergistic function all very easily water-soluble and outflow with water, the particularly use water comparatively multizone when ammonium nitrate urea liquid nitrogenous fertilizer is applied, go out topsoil with water wash after these compositions are easily water-soluble and cause huge loss, also making synergistic agent lose effect.How to bring into play the advantage of ammonium nitrate urea liquid nitrogenous fertilizer, can eliminate again above-mentioned drawback becomes the technical barrier being badly in need of solving.
Summary of the invention
In order to overcome the above-mentioned drawback of ammonium nitrate urea liquid nitrogenous fertilizer, technical problem to be solved by this invention is to provide a kind of Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, this liquid nitrogen fertilizer can either fast for plant growth provides nitrogen nutrient, nitrogen nutrient and the retention time of synergistic component in topsoil soils can also be extended, increase nitrogen nutrient fertilizer efficiency period and improve the utilization ratio of nitrogen nutrient, simultaneously can reduce Nitrate Accumulation in soil, alleviate the hardening of soil, prevent soil-borne disease.
To achieve these goals, the present invention takes following technical scheme:
A kind of Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, be made up by weight ratio of following raw material: 350 ~ 500 parts, ammonium nitrate phosphorus, 200 ~ 400 parts, urea, 150 ~ 350 parts, water, polyacrylamide 20 ~ 50 parts, normal-butyl thiophosphoryl triamine 0.3 ~ 1 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.5 ~ 1 part, mineral resources xanthohumic acid 20 ~ 95 parts, oligochitosan 0.5 ~ 5 part.
Preferably, each composition weight proportioning is 400 parts, ammonium nitrate phosphorus, 300 parts, urea, 300 parts, water, polyacrylamide 40 parts, normal-butyl thiophosphoryl triamine 0.5 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.7 part, mineral resources xanthohumic acid 90 parts, oligochitosan 4 parts.
Above-mentioned nitrogenous fertilizer can be prepared by the following method:
First the water of described weight is poured in stirring tank and be heated to 40 ~ 45 DEG C, keep this homo(io)thermism, add the urea of described weight, ammonium nitrate phosphorus and the polyacrylamide of described weight is added after stirring, then 3 of described weight are added, 4 dimethyl pyrazole phosphoric acid salt, mineral resources xanthohumic acid and oligochitosan, after stirring, be cooled to room temperature.
The formula of this liquid nitrogen fertilizer is taken into account quick-acting and long-acting, wherein nitric nitrogen can for plant growth Quick be for nutrient, normal-butyl thiophosphoryl triamine and 3 simultaneously, 4 dimethyl pyrazole phosphoric acid salt can delay ammonium nitrate urea solution lactan state nitrogen and the conversion of ammonium nitrogen in soil, nitrogenous fertilizer is stored in soil with the state that soil is easy to adsorb do not run off, extends fertilizer efficiency period.After this liquid nitrogen fertilizer uses, a certain amount of nitric nitrogen is absorbed fast by crop, and amidonitrogen and ammonium nitrogen are retained in soil for a long time supplies Crop, decreases loss, improves utilization rate of nitrogen fertilizer.Meanwhile, decrease the outer row of nitric nitrogen to underground water, surface water, air, be conducive to reducing agricultural non-point pollution.Compare common ammonium nitrate urea liquid nitrogenous fertilizer nitrogen nutrient to be only provided, to use and can cause the problem such as soil compaction and soil-borne disease in a large number, liquid nitrogen fertilizer of the present invention is improve the utilization ratio of nitrogenous fertilizer, while reducing the amount of application of nitrogenous fertilizer, its oligochitosan contained and mineral sources xanthohumic acid can reduce hardening of soil, reduce the generation of soil-borne disease, these three kinds of favorable factors combine, and make this liquid nitrogen fertilizer also have the effect of conditioning soil.The more important thing is that urea, nitric nitrogen, several synergistic matters etc. can these be outflowed with water composition and are retained in topsoil soils by Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer of the present invention, more improve the utilization ratio of nitrogen fertilizer use and synergistic agent.This liquid nitrogen fertilizer production technique is simple, without the need to processing sequence and the expensive machine of complexity, is convenient to promote.
Embodiment
Every part is 1 kilogram below.
Embodiment 1 Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer formula 1:
500 parts, ammonium nitrate phosphorus, 200 parts, urea, 213.7 parts, water, normal-butyl thiophosphoryl triamine 0.3 part, polyacrylamide 20 grams, 3,4 dimethyl pyrazole phosphoric acid salt 1 part, mineral resources xanthohumic acid 80 parts, oligochitosan 5 parts.Nitrogen content is 24.7%.
Embodiment 2 Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer formula 2:
350 parts, ammonium nitrate phosphorus, 400 parts, urea, 228 parts, water, polyacrylamide 25 grams, normal-butyl thiophosphoryl triamine 1 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.5 part, mineral resources xanthohumic acid 20 parts, oligochitosan 0.5 part.Nitrogen content is 28.8%.
Embodiment 3 Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer formula 3:
400 parts, ammonium nitrate phosphorus, 300 parts, urea, water 300, polyacrylamide 40 parts, normal-butyl thiophosphoryl triamine 0.5 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.7 part, mineral resources xanthohumic acid 90 parts, oligochitosan 4 parts.Nitrogen content 30.8%.
Embodiment 4 Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer formula 4:
350 parts, ammonium nitrate phosphorus, 200 parts, urea, 350 parts, water, polyacrylamide 50 grams, normal-butyl thiophosphoryl triamine 0.3 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.7 part, mineral resources xanthohumic acid 95 parts, oligochitosan 4 parts.Nitrogen content is 19.4%.
The preparation method of embodiment 5 embodiment 1-4
First the water of described weight is poured in stirring tank and be heated to 40 ~ 45 DEG C, keep this homo(io)thermism, add the urea of described weight, ammonium nitrate phosphorus and the polyacrylamide of described weight is added after stirring, then 3 of described weight are added, 4 dimethyl pyrazole phosphoric acid salt, mineral resources xanthohumic acid and oligochitosan, after stirring, be cooled to room temperature.
Embodiment 6 the present invention is to the result of use of Plantula Brassicae chinensis:
1, proof test:
For embodiment 1, Plantula Brassicae chinensis is used, place is on Daliang City of Liaoning Province Plantula Brassicae chinensis ground.After Plantula Brassicae chinensis emerges 5 days, use 5kg Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, dissolved in water by this fertilizer and stir according to every mu, the solution of fertilizer is squeezed into pipeline and is carried out drip irrigation by unlatching electric pump.A fertilizer is only used in the vegetative period of Plantula Brassicae chinensis.
2, simultaneous test:
In Plantula Brassicae chinensis ground, Dalian, with under proof test equal conditions, after Plantula Brassicae chinensis emerges 5 days, applying 5kg(composition weight proportion by every mu is: 500 parts, ammonium nitrate phosphorus, 200 parts, urea, 320 parts, water) common plain liquid nitrogen fertilizer, within every 10 days, use once, until Plantula Brassicae chinensis is gathered complete.
3, result:
The yield of pakchoi using Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer increases by 18% with contrast field output, Shaoshi twice liquid nitrogen fertilizer simultaneously, measure nitrate content in Plantula Brassicae chinensis blade, the Plantula Brassicae chinensis of using Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer is lower by 78% than simultaneous test field nitrate amount, do not fall ill in the vegetative period, and it is serious to contrast field soft rot.
Embodiment 7 the present invention is to the result of use of leek:
1, proof test:
For embodiment 2, place is in Guangrao County of Shandong Province.After stubble has gathered in before leek, according to mu consumption 10kg/ mu by water-soluble for Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, squeeze into pipeline with electric pump and carry out punching and execute, only use once in the time period that leek is one batch.
2, simultaneous test 1:
Place in leek ground, Guangrao County of Shandong Province, Cultivate administration level and edaphic condition consistent with proof test plot.After before leek, stubble has gathered in, according to mu consumption 10kg/ mu by water-soluble for common ammonium nitrate urea liquid nitrogenous fertilizer (composition weight proportion is: 350 parts, ammonium nitrate phosphorus, 400 parts, urea, 275 parts, water), squeeze into pipeline with electric pump to carry out punching and execute, in the time period that leek is one batch, use twice.
3, simultaneous test 2: place in leek ground, Guangrao County of Shandong Province, Cultivate administration level and edaphic condition consistent with proof test plot.After stubble has gathered in before leek, according to mu consumption 10kg/ mu by water-soluble for solid particulate urea, squeeze into pipeline with electric pump and carry out punching and execute, in the time period that leek is one batch, use twice.
4, result:
Use the plot leek of Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, fertilising rear ten days, than simultaneous test 2 plot leek height 3.2cm, than simultaneous test 1 and simultaneous test 2, within 3 days and 5 days, reach harvesting standard in advance respectively.Gathered in rear mensuration Soil Nitrate accumulation volume, it is lower than simultaneous test 2 by 61% to use Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer plot, reduces by 74% than simultaneous test 1.
Embodiment 8 the present invention is to the result of use of paddy rice:
1, proof test:
For embodiment 3, in Shangzhi City, Heilongjiang Province, rice terrace carries out proof test.Within ten days after rice transplanting, when using dressing of turnning green stage, use 15kg according to every mu and Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer leather hose is imported in field, with ridge isolation, prevent channeling water from altering fertilizer.
2, simultaneous test 1:
In Shangzhi City, Heilongjiang Province, rice terrace carries out simultaneous test, Cultivate administration level and edaphic condition consistent with proof test plot.Ten days after rice transplanting when using dressing of turnning green stage, using 15kg according to every mu imports in field by common ammonium nitrate urea liquid nitrogenous fertilizer (composition weight proportion is: 350 parts, ammonium nitrate phosphorus, 455 parts, urea, 235 parts, water) leather hose, with ridge isolation, prevent channeling water from altering fertilizer.
3, simultaneous test 2:
In Shangzhi City, Heilongjiang Province, rice terrace carries out proof test, Cultivate administration level and edaphic condition consistent with proof test plot.Within ten days after rice transplanting, when using dressing of turnning green stage, use 15kg according to every mu and solid particulate urea is evenly sprinkled in field, with ridge isolation, prevent channeling water from altering fertilizer.
4, result:
Proof test plot, rice striking root is fast, well developed root system, tiller that it is many early to tiller, and during results, proof test plot output is than simultaneous test 1 and simultaneous test 2 respectively high 7.8% and 6.4%.During owing to spreading fertilizer over the fields dressing of turnning green stage, Heilungkiang temperature is lower, and Urea Transformation is comparatively slow, and rice absorbing is slow, so it is slow to turn green, tillers slow; And the composition contained in Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer of the present invention can improve the ability of rice absorbing nutrient and extend the effect of fertilizer efficiency period, thus paddy rice early stage growing way good, later stage output is high.
Embodiment 9 the present invention is to the result of use of cucumber:
1, proof test:
For embodiment 4, cucumber is used.Place is in Anhui Province and cucumber field, county.After cucumber emerges 10 days, use 8kg Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer according to every mu and this fertilizer dissolved in water stir, open electric pump and the solution of fertilizer is squeezed into pipeline carry out drip irrigation.2 times are used altogether before the florescence of cucumber.
2, simultaneous test:
In Anhui Province and cucumber ground, county, with under proof test equal conditions, after Plantula Brassicae chinensis emerges 10 days, applying 8kg(composition weight proportion by every mu is: 350 parts, ammonium nitrate phosphorus, 200 parts, urea, 500 parts, water) common plain liquid nitrogen fertilizer, within every 10 days, use once, before the florescence, use 5 times.
3, result:
The cucumber yield using Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer increases by 21% with contrast field output, and later stage cucumber plant blade is very green, and not de-fertile Shaoshi three times liquid nitrogen fertilizers simultaneously, be not subject to blight and infect, and after having gathered in the crops, the soil is porous; Contrast field blight occurs serious, and anaphase blade turns to be yellow, and after results, soil property is sticky heavy.
Embodiment 10 the present invention is for the application reducing aqueous soluble active constituent loss:
For embodiment 1, synergistic agent 510g the present invention obtained pours the PVC cylindrical tube place suitable for reading soil layer that 50cm height wind desiceted soil is housed that diameter is 10cm, length is 60cm into, the lower end of cylindrical tube adopts filter paper to close, dropper is used at the uniform velocity to drip along suitable for reading, drip continuously 5 hours, collect the liquid A oozed in dropper; By ammonium nitrate phosphorus 250g, urea 100g, water 106.85g, normal-butyl thiophosphoryl triamine 0.15g, 3, the 500g mixture of 4 dimethyl pyrazole phosphoric acid salt 0.5g, mineral resources xanthohumic acid 40g, oligochitosan 2.5g composition, this mixture is placed in the PVC cylindrical tube place suitable for reading soil layer that 50cm height wind desiceted soil is housed that same diameter is 10cm, length is 60cm, the lower end of cylindrical tube adopts filter paper to close, the same speed of dropper is used to drip along suitable for reading, drip continuously 5 hours, collect the liquid B oozed in dropper.A and B is dried 24 hours at 60 DEG C, weighs solid matter wherein, show that the dry matter weight of liquid A is only 21% of the dry matter weight of liquid B.
More than test shows, Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer has longer fertilizer efficiency period, higher utilization ratio than the common ammonium nitrate urea liquid nitrogenous fertilizer of nitrogen content that waits, in raising output, reduction rate of fertilizer application, minimizing soil-borne disease etc., also have obvious advantage.

Claims (3)

1. a Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer, be made up by weight ratio of following raw material: 350 ~ 500 parts, ammonium nitrate phosphorus, 200 ~ 400 parts, urea, 150 ~ 350 parts, water, polyacrylamide 20 ~ 50 parts, normal-butyl thiophosphoryl triamine 0.3 ~ 1 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.5 ~ 1 part, mineral resources xanthohumic acid 20 ~ 95 parts, oligochitosan 0.5 ~ 5 part.
2. Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer according to claim 1, it is characterized in that being made up by weight ratio of following raw material: 400 parts, ammonium nitrate phosphorus, 300 parts, urea, 300 parts, water, polyacrylamide 40 parts, normal-butyl thiophosphoryl triamine 0.5 part, 3,4 dimethyl pyrazole phosphoric acid salt 0.7 part, mineral resources xanthohumic acid 90 parts, oligochitosan 4 parts.
3. Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer according to claim 1 and 2, it is characterized in that preparing by the following method: first the water of described weight is poured in stirring tank and be heated to 40 ~ 45 DEG C, keep this homo(io)thermism, add the urea of described weight, ammonium nitrate phosphorus and the polyacrylamide of described weight is added after stirring, then 3 of described weight are added, 4 dimethyl pyrazole phosphoric acid salt, mineral resources xanthohumic acid and oligochitosan, after stirring, be cooled to room temperature and namely obtain this Synergistic type ammonium nitrate urea liquid nitrogenous fertilizer.
CN201510291536.8A 2015-06-01 2015-06-01 Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer Pending CN104892166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510291536.8A CN104892166A (en) 2015-06-01 2015-06-01 Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510291536.8A CN104892166A (en) 2015-06-01 2015-06-01 Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer

Publications (1)

Publication Number Publication Date
CN104892166A true CN104892166A (en) 2015-09-09

Family

ID=54025197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510291536.8A Pending CN104892166A (en) 2015-06-01 2015-06-01 Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer

Country Status (1)

Country Link
CN (1) CN104892166A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759772A (en) * 2019-05-13 2020-02-07 聊城大学东昌学院 Green efficient organic synthetic urea fertilizer
CN110981641A (en) * 2019-11-06 2020-04-10 金正大生态工程集团股份有限公司 Solid bulk blended fertilizer containing coated synergistic urea and ammonium phosphate and preparation method thereof
CN115812376A (en) * 2022-11-24 2023-03-21 石河子大学 Method for directly crushing cotton straws and returning the crushed cotton straws to field

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102746073A (en) * 2012-07-25 2012-10-24 武秀英 Nitrogen stabilizing agent and application thereof
CN103288565A (en) * 2012-02-28 2013-09-11 施可丰化工股份有限公司 Long-lasting potassium sulphate type compound fertilizer special for sugarcanes
WO2014022174A1 (en) * 2012-08-02 2014-02-06 Weyerhaeuser Nr Company Nbpt solutions for preparing urease inhiited urea fertilizers prepared from n-alkyl; n, n-alkyl; and n-alkyl-n-alkoxy amino alcohols
CN103896672A (en) * 2012-12-29 2014-07-02 中国科学院沈阳应用生态研究所 Polyion synergia stabilized urea ammonium nitrogen fertilizer and preparation method thereof
CN103896686A (en) * 2014-04-17 2014-07-02 张彬 Stability urea and preparation method thereof
CN104628467A (en) * 2015-01-26 2015-05-20 张彬 Long-acting water-soluble fertilizer and preparation method thereof
CN104628468A (en) * 2015-01-26 2015-05-20 张彬 Synergist for composite/compound fertilizer, as well as preparation method and using method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103288565A (en) * 2012-02-28 2013-09-11 施可丰化工股份有限公司 Long-lasting potassium sulphate type compound fertilizer special for sugarcanes
CN102746073A (en) * 2012-07-25 2012-10-24 武秀英 Nitrogen stabilizing agent and application thereof
WO2014022174A1 (en) * 2012-08-02 2014-02-06 Weyerhaeuser Nr Company Nbpt solutions for preparing urease inhiited urea fertilizers prepared from n-alkyl; n, n-alkyl; and n-alkyl-n-alkoxy amino alcohols
CN103896672A (en) * 2012-12-29 2014-07-02 中国科学院沈阳应用生态研究所 Polyion synergia stabilized urea ammonium nitrogen fertilizer and preparation method thereof
CN103896686A (en) * 2014-04-17 2014-07-02 张彬 Stability urea and preparation method thereof
CN104628467A (en) * 2015-01-26 2015-05-20 张彬 Long-acting water-soluble fertilizer and preparation method thereof
CN104628468A (en) * 2015-01-26 2015-05-20 张彬 Synergist for composite/compound fertilizer, as well as preparation method and using method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759772A (en) * 2019-05-13 2020-02-07 聊城大学东昌学院 Green efficient organic synthetic urea fertilizer
CN110981641A (en) * 2019-11-06 2020-04-10 金正大生态工程集团股份有限公司 Solid bulk blended fertilizer containing coated synergistic urea and ammonium phosphate and preparation method thereof
CN110981641B (en) * 2019-11-06 2022-04-22 金正大生态工程集团股份有限公司 Solid bulk blended fertilizer containing coated synergistic urea and ammonium phosphate and preparation method thereof
CN115812376A (en) * 2022-11-24 2023-03-21 石河子大学 Method for directly crushing cotton straws and returning the crushed cotton straws to field

Similar Documents

Publication Publication Date Title
CN104261988B (en) A kind of salt-soda soil special-purpose suspension liquid composite fertilizer and preparation method thereof
CN104151083B (en) One grows cotton dedicated liquid spray drip irrigation fertilizer and production method thereof
CN105819947A (en) Energy-saving and environmental-protection organic suspension composite fertilizer and preparation method thereof
CN105036851B (en) A kind of potato dedicated liquid punching fertilising and preparation method
CN104892164B (en) A kind of water-soluble fertilizer synergist
CN104628467A (en) Long-acting water-soluble fertilizer and preparation method thereof
CN104591901A (en) Application of imino disuccinate as fertilizer synergist
CN102875248A (en) Controlled-release water-soluble fertilizer containing humic acid and preparation method of fertilizer
CN104904361A (en) Water-saving fertilizing method for wheat
CN108911896A (en) A kind of liquid Water soluble fertilizer and preparation method thereof
CN107935668A (en) It is a kind of to be used to improve blade face preparation of crop anti-adversity and preparation method thereof
CN107201234A (en) A kind of inland soda alkaline land modifying agent and application
CN104380988A (en) Greenhouse strawberry water and fertilizer integral fertilizer applying method
CN103030455A (en) Multi-element water-soluble liquid fertilizer and preparation method thereof
CN103664385B (en) Polymalic acid is or/and salt is in the application prepared in fertilizer and obtained product thereof and preparation method
CN104892166A (en) Synergistic ammonium nitrate urea-urea liquid nitrogen fertilizer
CN102503650B (en) Amino acid chelated fertilizer and preparation method thereof
CN107840733B (en) Foliar fertilizer suitable for cotton seedling stage and preparation method and application thereof
CN104446858A (en) Humic acid water-soluble fertilizer
CN103833472A (en) Special liquid pesticide fertilizer for increasing yield and killing pests of corn and preparation method thereof
CN103910580B (en) Common fertilizer special for sesbania in medium and low-yield fields in Huang-Huai-Hai region
CN101234928A (en) Special control-release fertilizer for sulfur and resin coated red pepper and preparation method thereof
CN107324909A (en) A kind of seedling stage concentration biogas slurry foliar fertilizer for being suitable to transplant cotton and application
CN102775253A (en) Special trickle irrigation fertilizer for saline-alkali soil cotton and preparation method thereof
CN111470896A (en) Water-soluble walnut set fertilizer and application method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150909

RJ01 Rejection of invention patent application after publication