CN106588372A - Moisture and fertilizer retention crop fertilizer - Google Patents
Moisture and fertilizer retention crop fertilizer Download PDFInfo
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- CN106588372A CN106588372A CN201611198627.8A CN201611198627A CN106588372A CN 106588372 A CN106588372 A CN 106588372A CN 201611198627 A CN201611198627 A CN 201611198627A CN 106588372 A CN106588372 A CN 106588372A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses moisture and fertilizer retention crop fertilizer. The moisture and fertilizer retention crop fertilizer is prepared from the following raw materials in parts by weight: 10 to 16 parts of excrement, 20 to 30 parts of rice bran, 15 to 25 parts of wood dust, 2 to 3 parts of magnesium sulfate, 1 to 2 parts of zinc chloride, 1.5 to 2.5 parts of calcium carbonate, 1 to 2 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, 0.8 to 1.6 parts of ammonium molybdate, 15 to 30 parts of nitramine, 20 to 30 parts of potassium nitrate, 25 to 35 parts of diammonium phosphate, 50 to 90 parts of urea, 2 to 4 parts of modified grass carbon, 4 to 8 parts of sodium borate, 2 to 6 parts of attapulgite, 1 to 2 parts of boric acid, 2 to 3 parts of N-thiophosphoric triamide and 1.5 to 2.5 parts of hydroquinone.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly to a kind of retain water and nutrients Crop fertilizer.
Background technology
Fertilizer mainly contains nitrogen, phosphorus, potassium element, is that soil supplements the nutrition being lost in, so as to increase the yield of crop, but
It is, it is frequent, single with chemical fertilizer application, bring adverse effect, soil lacking the bar of sufficient organic matter to soil environment
Under part, soil aggregate is difficult to be formed, and the adhesion between soil particle weakens, and reduces the retain water and nutrients energy of soil now
Power.When soil cannot keep sufficient moisture, even if chemical fertilizer quality is high, it is also not susceptible to chemical fertilizer and discharges foster under favorable conditions
Point.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of retain water and nutrients Crop fertilizer, can improve
Soil property, is effectively increased soil organic colloid, and can effectively promote soil particle to be cemented to crumb structure, improve soil water conservation,
Fertilizer conservation and permeability, effectively have and adjust the soil moisture, improve soil microorganism environment, promote plant root growth, not only
Plant products are remarkably improved, and plant quality is fabulous, while can slow down trace element is lost in speed, further meet plant
Whole trophophase to trace element and nitrogen, phosphorus, potassium element demand.
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：Feces 10-16 parts, rice
Bran 20-30 parts, wood sawdust 15-25 parts, magnesium sulfate 2-3 parts, zinc chloride 1-2 parts, Calcium Carbonate 1.5-2.5 part, EDTA chelated iron 1-2
Part, ammonium molybdate 0.8-1.6 parts, ammonium nitrate 15-30 parts, potassium nitrate 20-30 parts, Diammonium phosphate (DAP) 25-35 part, carbamide 50-90 parts are modified
Turf 2-4 parts, Borax 4-8 parts, attapulgite 2-6 parts, boric acid 1-2 parts, N-(n-butyl) thiophosphoric triamide 2-3 parts, hydroquinone 1.5-
2.5 part.
Preferably, feces, Testa oryzae, wood sawdust, be modified turf, Borax, and the weight ratio of attapulgite is 12-14：22-28：
18-22：2.5-3.5：5-7：3-5.
Preferably, ammonium nitrate, potassium nitrate, Diammonium phosphate (DAP), carbamide, modified turf, Borax, the weight ratio of attapulgite are 20-
25：23-27：28-32：60-80：2.5-3.5：5-7：3-5.
Preferably, its raw material includes by weight：Feces 12-14 parts, Testa oryzae 22-28 parts, wood sawdust 18-22 parts, sulphuric acid
Magnesium 2.2-2.8 parts, zinc chloride 1.3-1.7 parts, Calcium Carbonate 1.8-2.2 part, EDTA chelated iron 1.3-1.7 parts, ammonium molybdate 1-1.4
Part, ammonium nitrate 20-25 parts, potassium nitrate 23-27 parts, Diammonium phosphate (DAP) 28-32 part, carbamide 60-80 parts, be modified turf 2.5-3.5 parts, boron
Sand 5-7 parts, attapulgite 3-5 parts, boric acid 1.5-1.7 parts, N-(n-butyl) thiophosphoric triamide 2.2-2.8 parts, hydroquinone 1.8-2.2
Part.
Preferably, the turf that is modified is prepared using following technique：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed
Stirring is closed, is disperseed in sending into ultrasonic cell disruptor, is spray-dried, add water ultrasonic disperse to obtain pretreatment nano-cellulose
Whisker；Sodium hydroxide, carbamide, water are stirred, adds cellulose to continue stirring to cellulose complete swelling, using homogenizer
System clear is dispersed to, is added alkali process turf, Calcium Carbonate to be uniformly dispersed, after drop hydrochloric acid reaction is complete, is continuously added pre-
The stirring of nano-cellulose whisker is processed, is filtered, washing, vacuum drying obtain modified turf.
Preferably, the turf that is modified is prepared using following technique：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed
Stirring 10-20min is closed, in sending into ultrasonic cell disruptor, disperses 2-8min, ultrasonic power is 150-170W, be spray-dried,
Water ultrasonic disperse 30-50min is added to obtain pretreatment nano-cellulose whisker；Sodium hydroxide, carbamide, water are stirred at -6～0 DEG C
Mix uniform, add cellulose to continue stirring to cellulose complete swelling, system clear is dispersed to using homogenizer, alkali is added
Process turf, Calcium Carbonate to be uniformly dispersed, after Deca hydrochloric acid reaction is complete, continuously add pretreatment nano-cellulose whisker stirring 8-
12min, filters, washing, and vacuum drying obtains modified turf.
Preferably, the turf that is modified is prepared using following technique：By weight by 3-7 part nano-cellulose whiskers, 2-4 part carboxylics
Sodium carboxymethylcellulose pyce, 80-120 parts water mix 10-20min, disperse 2-8min in sending into ultrasonic cell disruptor, ultrasound
Power is 150-170W, is spray-dried, and adds 80-120 part water ultrasonic disperse 30-50min to obtain pretreatment nano-cellulose brilliant
Palpus；By weight 3-6 part sodium hydroxide, 15-25 part carbamide, 40-80 parts water are stirred at -6～0 DEG C, adds 3-5 parts fine
Dimension element continues stirring to cellulose complete swelling, is dispersed to system clear using homogenizer, adds 1-2 parts alkali process grass
Charcoal, 4-8 part Calcium Carbonate are uniformly dispersed, Deca 0.4-0.8 part concentration for 1mol/L hydrochloric acid reaction it is complete after, continuously add 4-8
Part pretreatment nano-cellulose whisker stirring 8-12min, filters, and washing, vacuum drying obtain the turf that is modified.
The present invention is obtained using conventional fabrication process.
In the pretreatment nano-cellulose whisker of the modified turf of the present invention, add in nano-cellulose suspension cloudy
During ion-type electrolyte sodium carboxymethyl cellulose, sodium carboxymethyl cellulose is adsorbed in nano-cellulose particle surface, and formation has
Certain thickness polymer protective film, produces Steric stabilization, reduces mutual attractive force between nanofiber crude granule, repels
Power increases, and the stability of suspension is improved, and after spray-dried redispersion, forms the less granule of mean diameter, and waterproof
Permeability is fabulous；And cellulose causes cellulose regenerated by Deca hydrochloric acid after swelling after a series of process, and
There is chemical reaction and discharge CO in Calcium Carbonate and hydrochloric acid in regenerative process2, so as to be more beneficial for modified turf loose structure
Generate, coordinate and add the effect of pretreatment nano-cellulose whisker, make products therefrom excellent stability, granule is uniform, waterproof and breathable
Performance is extremely excellent；Modified turf coordinates, and adds appropriate wood sawdust, Testa oryzae, feces with attapulgite, Borax, can conditioned soil
Matter, is effectively increased soil organic colloid, and can effectively promote soil particle to be cemented to crumb structure, improves the water conservation of soil, protects
Fertilizer and permeability, effectively have and adjust the soil moisture, improve soil microorganism environment, promote plant root growth, not only may be used
Plant products are significantly improved, and plant quality is fabulous；The present invention is coordinated using carbamide, ammonium nitrate, Diammonium phosphate (DAP), potassium nitrate, no
Only required nitrogen, phosphorus, potassium element can be provided according to vine growth and development, and with modified turf, attapulgite, Borax coordinates can
Persistently meet the crop growthing development later stage to nitrogen, phosphorus, potassium element needs, Calcium Carbonate, magnesium sulfate, ammonium molybdate, zinc chloride,
EDTA chelated irons coordinate modified turf effect, can slow down trace element and be lost in speed, further meet the whole trophophase of crops
Demand to trace element.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：10 parts of feces, 30 parts of Testa oryzae,
15 parts of wood sawdust, 3 parts of magnesium sulfate, 1 part of zinc chloride, 2.5 parts of Calcium Carbonate, 1 part of EDTA chelated irons, 1.6 parts of ammonium molybdate, ammonium nitrate 15
Part, 30 parts of potassium nitrate, 25 parts of Diammonium phosphate (DAP), 90 parts of carbamide, be modified 2 parts of turf, 8 parts of Borax, 2 parts of attapulgite, 2 parts of boric acid,
2 parts of N-(n-butyl) thiophosphoric triamide, 2.5 parts of hydroquinone.
Embodiment 2
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：16 parts of feces, 20 parts of Testa oryzae,
25 parts of wood sawdust, 2 parts of magnesium sulfate, 2 parts of zinc chloride, 1.5 parts of Calcium Carbonate, 2 parts of EDTA chelated irons, 0.8 part of ammonium molybdate, ammonium nitrate 30
Part, 20 parts of potassium nitrate, 35 parts of Diammonium phosphate (DAP), 50 parts of carbamide, be modified 4 parts of turf, 4 parts of Borax, 6 parts of attapulgite, 1 part of boric acid,
3 parts of N-(n-butyl) thiophosphoric triamide, 1.5 parts of hydroquinone.
Modified turf is prepared using following technique：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed,
Disperse in sending into ultrasonic cell disruptor, be spray-dried, add water ultrasonic disperse to obtain pretreatment nano-cellulose whisker；Will
Sodium hydroxide, carbamide, water stir, and add cellulose to continue stirring to cellulose complete swelling, are dispersed to using homogenizer
System clear, adds alkali process turf, Calcium Carbonate to be uniformly dispersed, after drop hydrochloric acid reaction is complete, continuously adds pretreatment and receive
Rice cellulose whiskers stirring, filters, washing, and vacuum drying obtains modified turf.
Embodiment 3
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：12 parts of feces, 28 parts of Testa oryzae,
18 parts of wood sawdust, 2.8 parts of magnesium sulfate, 1.3 parts of zinc chloride, 2.2 parts of Calcium Carbonate, 1.3 parts of EDTA chelated irons, 1.4 parts of ammonium molybdate, nitre
20 parts of ammonium, 27 parts of potassium nitrate, 28 parts of Diammonium phosphate (DAP), 80 parts of carbamide, be modified 2.5 parts of turf, 7 parts of Borax, 3 parts of attapulgite, boron
1.7 parts of acid, 2.2 parts of N-(n-butyl) thiophosphoric triamide, 2.2 parts of hydroquinone.
Modified turf is prepared using following technique：By weight by 3 parts of nano-cellulose whiskers, 4 parts of carboxymethyl celluloses
Sodium, 80 parts of water mix 20min, disperse 2min in sending into ultrasonic cell disruptor, and ultrasonic power is 170W, spray dried
It is dry, add 80 parts of water ultrasonic disperse 50min to obtain pretreatment nano-cellulose whisker；By weight by 3 parts of sodium hydroxide, 25 parts
Carbamide, 40 parts of water stir at 0 DEG C, add 3 parts of celluloses to continue stirring to cellulose complete swelling, are disperseed using homogenizer
To system clear, 2 parts of alkali process turfs, 4 parts of Calcium Carbonate are added to be uniformly dispersed, salt of the 0.8 part of concentration of Deca for 1mol/L
After acid reaction is complete, 4 parts of pretreatment nano-cellulose whisker stirring 12min is continuously added, is filtered, washing, vacuum drying are obtained
Modified turf.
Embodiment 4
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：14 parts of feces, 22 parts of Testa oryzae,
22 parts of wood sawdust, 2.2 parts of magnesium sulfate, 1.7 parts of zinc chloride, 1.8 parts of Calcium Carbonate, 1.7 parts of EDTA chelated irons, 1 part of ammonium molybdate, ammonium nitrate
25 parts, 23 parts of potassium nitrate, 32 parts of Diammonium phosphate (DAP), 60 parts of carbamide, be modified 3.5 parts of turf, 5 parts of Borax, 5 parts of attapulgite, boric acid
1.5 parts, 2.8 parts of N-(n-butyl) thiophosphoric triamide, 1.8 parts of hydroquinone.
Modified turf is prepared using following technique：By weight by 7 parts of nano-cellulose whiskers, 2 parts of carboxymethyl celluloses
Sodium, 120 parts of water mix 10min, disperse 8min in sending into ultrasonic cell disruptor, and ultrasonic power is 150W, spray dried
It is dry, add 120 parts of water ultrasonic disperse 30min to obtain pretreatment nano-cellulose whisker；By weight by 6 parts of sodium hydroxide, 15
Part carbamide, 80 parts of water stir at -6 DEG C, add 5 parts of celluloses to continue stirring to cellulose complete swelling, using homogenizer
System clear is dispersed to, adds 1 part of alkali process turf, 8 parts of Calcium Carbonate to be uniformly dispersed, 0.4 part of concentration of Deca is 1mol/L
Hydrochloric acid reaction it is complete after, continuously add 8 parts of pretreatment nano-cellulose whiskers stirring 8min, filter, washing is vacuum dried
To modified turf.
Embodiment 5
A kind of retain water and nutrients Crop fertilizer proposed by the present invention, its raw material include by weight：13 parts of feces, 25 parts of Testa oryzae,
20 parts of wood sawdust, 2.5 parts of magnesium sulfate, 1.5 parts of zinc chloride, 2 parts of Calcium Carbonate, 1.5 parts of EDTA chelated irons, 1.2 parts of ammonium molybdate, ammonium nitrate
22 parts, 25 parts of potassium nitrate, 30 parts of Diammonium phosphate (DAP), 70 parts of carbamide, be modified 3 parts of turf, 6 parts of Borax, 4 parts of attapulgite, boric acid 1.6
Part, 2.5 parts of N-(n-butyl) thiophosphoric triamide, 2 parts of hydroquinone.
Modified turf is prepared using following technique：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed
15min, disperses 5min in sending into ultrasonic cell disruptor, and ultrasonic power is 160W, is spray-dried, and adds water ultrasonic disperse
40min obtains pretreatment nano-cellulose whisker；Sodium hydroxide, carbamide, water are stirred at -3 DEG C, adds cellulose to continue
Stir to cellulose complete swelling, system clear is dispersed to using homogenizer, add alkali process turf, Calcium Carbonate dispersion equal
It is even, after Deca hydrochloric acid reaction is complete, pretreatment nano-cellulose whisker stirring 10min is continuously added, is filtered, washing, vacuum are done
It is dry to obtain modified turf.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of retain water and nutrients Crop fertilizer, it is characterised in that its raw material includes by weight：Feces 10-16 parts, Testa oryzae
20-30 parts, wood sawdust 15-25 parts, magnesium sulfate 2-3 parts, zinc chloride 1-2 parts, Calcium Carbonate 1.5-2.5 part, EDTA chelated iron 1-2
Part, ammonium molybdate 0.8-1.6 parts, ammonium nitrate 15-30 parts, potassium nitrate 20-30 parts, Diammonium phosphate (DAP) 25-35 part, carbamide 50-90 parts are modified
Turf 2-4 parts, Borax 4-8 parts, attapulgite 2-6 parts, boric acid 1-2 parts, N-(n-butyl) thiophosphoric triamide 2-3 parts, hydroquinone 1.5-
2.5 part.
2. retain water and nutrients Crop fertilizer according to claim 1, it is characterised in that feces, Testa oryzae, wood sawdust, be modified grass
Charcoal, Borax, the weight ratio of attapulgite is 12-14：22-28：18-22：2.5-3.5：5-7：3-5.
3. retain water and nutrients Crop fertilizer according to claim 1, it is characterised in that ammonium nitrate, potassium nitrate, Diammonium phosphate (DAP), urine
Element, modified turf, Borax, the weight ratio of attapulgite are 20-25：23-27：28-32：60-80：2.5-3.5：5-7：3-5.
4. retain water and nutrients Crop fertilizer according to claim 1, it is characterised in that its raw material includes by weight：Feces
12-14 parts, Testa oryzae 22-28 parts, wood sawdust 18-22 parts, magnesium sulfate 2.2-2.8 parts, zinc chloride 1.3-1.7 parts, Calcium Carbonate 1.8-
2.2 parts, EDTA chelated iron 1.3-1.7 parts, ammonium molybdate 1-1.4 parts, ammonium nitrate 20-25 parts, potassium nitrate 23-27 parts, Diammonium phosphate (DAP) 28-
32 parts, carbamide 60-80 parts, be modified turf 2.5-3.5 parts, Borax 5-7 parts, attapulgite 3-5 parts, boric acid 1.5-1.7 parts, positive fourth
Base D2EHDTPA triamine 2.2-2.8 parts, hydroquinone 1.8-2.2 parts.
5. retain water and nutrients Crop fertilizer according to claim 1, it is characterised in that modified turf adopts following technique system
It is standby：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed, is disperseed in sending into ultrasonic cell disruptor, spraying
It is dried, adds water ultrasonic disperse to obtain pretreatment nano-cellulose whisker；Sodium hydroxide, carbamide, water are stirred, is added fine
Dimension element continues stirring to cellulose complete swelling, is dispersed to system clear using homogenizer, adds alkali process turf, carbonic acid
Calcium is uniformly dispersed, and after drop hydrochloric acid reaction is complete, continuously adds the stirring of pretreatment nano-cellulose whisker, filters, and washing, vacuum are done
It is dry to obtain modified turf.
6. retain water and nutrients Crop fertilizer according to claim 5, it is characterised in that modified turf adopts following technique system
It is standby：Nano-cellulose whisker, sodium carboxymethyl cellulose, water are mixed into 10-20min, is sent in ultrasonic cell disruptor
Dispersion 2-8min, ultrasonic power is 150-170W, is spray-dried, and adds water ultrasonic disperse 30-50min to obtain pretreatment Nanowire
The plain whisker of dimension；Sodium hydroxide, carbamide, water are stirred at -6～0 DEG C, adds cellulose to continue stirring completely molten to cellulose
It is swollen, system clear is dispersed to using homogenizer, adds alkali process turf, Calcium Carbonate to be uniformly dispersed, Deca hydrochloric acid reaction is complete
Quan Hou, continuously adds pretreatment nano-cellulose whisker stirring 8-12min, filters, washing, and vacuum drying obtains modified turf.
7. retain water and nutrients Crop fertilizer according to claim 5, it is characterised in that modified turf adopts following technique system
It is standby：3-7 part nano-cellulose whiskers, 2-4 part sodium carboxymethyl cellulose, 80-120 parts water are mixed into 10- by weight
20min, disperses 2-8min in sending into ultrasonic cell disruptor, and ultrasonic power is 150-170W, is spray-dried, and adds 80-120
Part water ultrasonic disperse 30-50min obtains pretreatment nano-cellulose whisker；By weight by 3-6 part sodium hydroxide, 15-25 parts
Carbamide, 40-80 parts water stir at -6～0 DEG C, add 3-5 parts cellulose to continue stirring to cellulose complete swelling, adopt
Homogenizer is dispersed to system clear, adds 1-2 part alkali process turfs, 4-8 part Calcium Carbonate to be uniformly dispersed, Deca 0.4-0.8
Part concentration for 1mol/L hydrochloric acid reaction it is complete after, continuously add 4-8 part pretreatment nano-celluloses whisker stirring 8-12min,
Filter, washing, vacuum drying obtains modified turf.
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| CN201611198627.8A CN106588372A (en) | 2016-12-22 | 2016-12-22 | Moisture and fertilizer retention crop fertilizer |
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| CN201611198627.8A CN106588372A (en) | 2016-12-22 | 2016-12-22 | Moisture and fertilizer retention crop fertilizer |
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Cited By (7)
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| CN107226749A (en) * | 2017-07-25 | 2017-10-03 | 宿松县富达茶叶种植专业合作社 | A kind of fertilizer special for tea trees preparation method for improving tea yield |
| CN107245003A (en) * | 2017-06-01 | 2017-10-13 | 河南科技学院 | A kind of method that utilization agricultural organic waste prepares organic cultivating soil |
| EP3567020A1 (en) * | 2018-05-11 | 2019-11-13 | Yara International ASA | Improved urea-based composition comprising elemental sulphur and method for the manufacture thereof |
| EP3567019A1 (en) * | 2018-05-09 | 2019-11-13 | Yara International ASA | Improved urea-based blend composition and method for the manufacture thereof |
| CN111616039A (en) * | 2020-06-08 | 2020-09-04 | 淮南市益农瓜果产销服务有限公司 | Soilless tank planting method for pollution-free milk-flavor strawberries |
| EP3778536A1 (en) * | 2019-08-12 | 2021-02-17 | Yara International ASA | Improved urea-based composition and method for the manufacture thereof |
| US11365161B2 (en) | 2018-05-07 | 2022-06-21 | Yara International Asa | Urea ammonium sulphate-based composition and method for the manufacture thereof |
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| EP3567019A1 (en) * | 2018-05-09 | 2019-11-13 | Yara International ASA | Improved urea-based blend composition and method for the manufacture thereof |
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| EP3778536A1 (en) * | 2019-08-12 | 2021-02-17 | Yara International ASA | Improved urea-based composition and method for the manufacture thereof |
| WO2021028460A1 (en) | 2019-08-12 | 2021-02-18 | Yara International Asa | Improved urea-based composition and method for the manufacture thereof |
| CN111616039A (en) * | 2020-06-08 | 2020-09-04 | 淮南市益农瓜果产销服务有限公司 | Soilless tank planting method for pollution-free milk-flavor strawberries |
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Application publication date: 20170426 |