CN109020697A - A kind of chelated zinc borosilicate synergistic urea and preparation method thereof - Google Patents
A kind of chelated zinc borosilicate synergistic urea and preparation method thereof Download PDFInfo
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- CN109020697A CN109020697A CN201811027592.0A CN201811027592A CN109020697A CN 109020697 A CN109020697 A CN 109020697A CN 201811027592 A CN201811027592 A CN 201811027592A CN 109020697 A CN109020697 A CN 109020697A
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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
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Abstract
The invention discloses a kind of chelated zinc borosilicate synergistic ureas and preparation method thereof.Chelated zinc borosilicate synergistic urea of the invention is made of chelated zinc borosilicate synergist and urea, zinc+boron+silicon >=880mg/kg in gained chelated zinc borosilicate synergistic urea.Zinc, boron, the element silicon of Chelating state can be fast moved in plant phloem, enhance the absorbability of plant, effectively improve photosynthesis of plant, enhanced absorption of the crop to nitrogen, improved crop yield and quality, realize the utilization rate for improving fertilizer.It is nontoxic that the present invention prepares the supplementary material that chelated zinc borosilicate synergistic urea uses, environmentally protective, meets green agriculture demand for development, and preparation method is scientific and reasonable.The zinc borosilicate synergistic urea preparation method includes the preparation of chelated zinc borosilicate synergist, the production of chelated zinc borosilicate synergistic urea, urea high-tower granulation, is not necessarily to high temperature and pressure, production process three-waste free discharge belongs to environmentally friendly product.
Description
Technical field
The invention belongs to technical field of fertilizers, more particularly it relates to a kind of chelated zinc borosilicate synergistic urea and its
Preparation method.
Background technique
Zn-ef ficiency can be enhanced photosynthesis, promote nitrogen metabolism, the disease-resistant cold tolerance of enhancing, promote plant tumor growth
The synthesis of element.Zinc is the constituent of many enzymes, to Substance P hydrolysis, oxidation-reduction process and protein synthesis etc. in plant
It plays an important role.When zinc-deficiency, plant growth is suppressed, and especially intercalary growth is seriously obstructed, and shows to lose between the arteries and veins of blade
Green or alphosis.
Boron exists in the form of acid group in plant, and participates in many important physiological activity processes, has irreplaceable
Property.Boron can promote carbon and nitrogen metabolism, adjust moisture absorption and ammonification reduction process, promote root growth and development, promote nutrition organs
With the growth and development of reproductive organs, promote early ripening of the crops, enhances resistance.Boron deficiency will affect bud differentiation, fall crop fallen flowers
Fruit.Boron deficiency crop would generally there are many classical symptoms, such as the rotten heart trouble of beet, colored and not firm, the fruit-shrink disease etc. of apple of rape.
Silicon is important nutrient required for crop growth, and crops can promote root growth and development after absorbing silicon,
Silicon is conducive to improve chlorophyll content and crop photosynthesis, improves resistant to lodging, disease and insect resistance, drought resisting, cold-resistant and Nutrient Absorption
Ability, and crops quality can be improved, meet the requirement of modern " green food " development.Silicon crop is lacked often to show to be susceptible to suffer from
Pest and disease damage, easily lodging, the symptoms such as fertility decrease, abnormal seeding.
Urea also known as carbonyl diamide, chemical formula are CO (NH2)2, appearance is white crystal or powder.It is produced in current fertilizer
In product, urea possesses highest nitrogen content, and agricultural needs are very big, and use scope is wide.The activity of urea is high, converts in the soil
Fastly, and easily drenched, crops only have 35% or so to urea nitrogen absorptivity, and urea decomposition and inversion at nitrate, nitrous
Hydrochlorate and nitrogen oxides would seriously pollute the environment.
Early stage has chemurgy scholar and has carried out adding a kind of synergist in urea, to improve the research of urea efficiency,
And produce following several synergistic ureas: patent application CN102584497A discloses a kind of glutamic acid synergist urea, production
Method is to prepare certain density monosodium glutamate solution and be added in fusing urea, obtains paddy ammonia by high-tower granulation later
Sour synergistic urea.Patent application CN102584498A discloses a kind of Humic acid synergistic urea, and production method is, in weathered coal
Middle extraction humic acid is configured to certain density Humic acid synergistic liquid, and is added in fusing urea, passes through high-tower granulation later
Obtain Humic acid synergistic urea.Patent application CN102515945A discloses a kind of alginic acid synergistic urea, and production method is,
Alginic acid is extracted in algae, is configured to certain density alginic acid synergy liquid, and be added in fusing urea, is passed through height later
Tower is granulated to obtain alginic acid synergistic urea.The above method is only added to single organic substance, can suitably increase the fertilizer of urea
It imitates, but is unable to satisfy demand of the crop growth to other nutrients, especially three kinds of zinc, boron, silicon elements.Do not have also at present
It is urea-modified about using chelated zinc borosilicate to make, increase the pertinent literature report of urea efficiency.
In view of above-mentioned deficiency, it is a kind of by prepare respective concentration chelated zinc borosilicate synergist and be added to fusing urea
In, then obtained by high-tower granulation simple process, at low cost, effect is good, can be widely applied to the chelated zinc boron of field crop
Silicon synergistic urea is that the industry is badly in need of.
Summary of the invention
Based on above-mentioned analysis, the invention discloses it is a kind of by prepare respective concentration chelated zinc borosilicate synergist and be added
Into fusing urea, then the chelated zinc borosilicate synergistic urea obtained by high-tower granulation, synergistic urea preparation process is simple, at
This is low, effect is good, can be widely applied to field crop.
The present invention is implemented by the following technical programs:
A kind of chelated zinc borosilicate synergistic urea, is made of the raw material of following weight: chelated zinc borosilicate synergist 0.2 ~
0.8 part, 99.2 ~ 99.8 parts of urea.
Further, the chelated zinc borosilicate synergistic urea is made of the raw material of following weight: chelated zinc
0.5 part of borosilicate synergist, 99.5 parts of urea.
Further, the chelated zinc borosilicate synergist comprises the following steps, and counts by weight ratio, takes 5 ~ 10 parts to have
Machine chelating agent, 5 ~ 10 parts of boron salts and 5 ~ 10 parts of silicon salts are added in 10 ~ 25 parts of water, 2 ~ 8h of chelatropic reaction under the conditions of 40 DEG C ~ 90 DEG C,
Add 5 ~ 10 parts of adjuvants and 50 ~ 75 parts of zinc salts, under the conditions of 40 DEG C ~ 90 DEG C 2 ~ 8h of chelatropic reaction to get arrive chelated zinc boron
Silicon synergist.
Further, the organic sequestering agent is selected from mannitol, antierythrite, xylitol, lactitol, citric acid, lemon
One of lemon hydrochlorate, glutamic acid, polyglutamic acid, glutamate, poly-aspartate are a variety of.
Further, the boron salt is selected from one of four water, eight Boratex, borax, boric acid, liquid boron or a variety of；It is described
Silicon salt is selected from one of silicic acid, sodium metasilicate, liquid silicon, organosilicon or a variety of；The zinc salt is selected from zinc sulfate, zinc chloride, carbon
One of sour zinc, basic zinc carbonate are a variety of.
Further, the adjuvant is selected from sodium lignin sulfonate, fatty alcohol polyoxyethylene ether, alkylphenol-polyethenoxy
One of ether, glycine betaine are a variety of.
Further, zinc, boron, silicone content account for chelated zinc borosilicate synergist gross mass in the chelated zinc borosilicate synergist
16%~19%。
A kind of preparation method of chelated zinc borosilicate synergistic urea includes the following steps:
(1) it is concentrated in vacuo: colorant being taken to be added in chelated zinc borosilicate synergist, in one section of urea prilling tower evaporation and dual circulation
Between, chelated zinc borosilicate synergist will be coloured using metering pump and will be added in Urea Evaporation System, after evaporation, obtain chelated zinc
Borosilicate synergistic urea molten liquid；
(2) high-tower granulation: chelated zinc borosilicate synergistic urea molten liquid is squeezed into tower top reactive tank by urine pump, is made by rotation
Grain spray head is granulated out, and the natural cooling granulating in dropping process obtains chelated zinc borosilicate synergistic urea.
Further, the colorant usage amount is the 0.5% ~ 1.5% of chelated zinc borosilicate synergist.
Further, in the chelated zinc borosilicate synergistic urea molten liquid urea and chelated zinc borosilicate synergist weight ratio
For 99.2 ~ 99.8:0.2 ~ 0.8.
Further, nitrogen content accounts for the 46.0% ~ 46.6% of its gross mass in the chelated zinc borosilicate synergistic urea.
Purposes the present invention also provides the chelated zinc borosilicate synergistic urea for rice, corn yield increasing；Increase for rice
When production, application method be 15kg/ mus of application of phosphoric acid diamines, 10kg/ mus of potassium chloride as base fertilizer, rice transplanting imposed chelated zinc after 10 days
10kg/ mus of borosilicate synergistic urea, rice transplanting imposes 5kg/ mus of chelated zinc borosilicate synergistic urea after 40 days；When for corn yield increasing, make
Using method is 10kg/ mus 15kg/ mus of application of phosphoric acid diamines, potassium chloride/mu as base fertilizer, and corn transplantation of seedlings imposes chelating after 10 days
10kg/ mus of zinc borosilicate synergistic urea, transplanting chased after 10kg/ mus of chelated zinc borosilicate synergistic urea after 60 days.
The beneficial effects of the present invention are:
1. the present invention is more stable using the Additives Products of this chelating technique production, the new urea for adding the production of this auxiliary agent is also more steady
Fixed, the middle microelement of addition increases the fertilizer efficiency of urea, nutrient needed for having better met crop growth, together
When enhance crop resistant to lodging, degeneration-resistant, drought resisting, cold-resistant, the ability of disease and insect resistance；Chelating agent, the adjuvant of addition apply urea
There is better slow release in used time, improves urea desorption column, reduces waste, while reducing the pollution to soil, agricultural product after application
Quality is more preferable.Prove that the present invention is applied in that rice, effect is especially good in seeding corn and other crops by field experiment.
2. the present invention is carried out being mixed to get the production of chelated zinc borosilicate synergistic urea in fusing urea with chelated zinc borosilicate synergist
Product change conventional urea fertilizer efficiency unicity, and urea desorption column can be improved, and various nutrients in soil are integrated, in plant absorption mistake
Cheng Zhong forms synergistic effect between beneficial element, promotes the balanced of nutrient to absorb, the substance of culture fertility.
3. present invention adds adjuvant sodium lignin sulfonate, fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, sweet tea
Dish alkali greatly increases the stability and chelate effect of chelated zinc borosilicate synergist.
4. the facilitation that photosynthesis of plant and auxin are synthesized using zinc, boron, element silicon, enhancing crop cold resistance,
Anti- volt falls, the ability of disease and insect resistance, can increase crop yield, improve crop quality.
5. chelated zinc borosilicate synergistic urea product has the characteristics that production capacity is high, at low cost, effect is good, there is application well
Prospect.
6. preparation process of the present invention is simple, at low cost, effect is good, can be widely applied to field crop.
Specific embodiment
Embodiment 1
(1) 60kg mannitol, 80kg borax and 60kg sodium metasilicate, the chelatropic reaction under the conditions of 60 DEG C are added into 150kg water
5h adds 50kg sodium lignin sulfonate and 600kg zinc chloride, chelatropic reaction 5h under the conditions of 80 DEG C, obtains the increasing of chelated zinc borosilicate
Imitate agent.
(2) 10kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, press
The additive amount of urea 5/1000ths per ton is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 900ppm.
Embodiment 2
(1) 60kg mannitol, 80kg borax and 60kg sodium metasilicate are added into 166.5kg water, is chelated under the conditions of 60 DEG C anti-
3h is answered, 50kg fatty alcohol polyoxyethylene ether and 583.5kg zinc sulfate are added, chelatropic reaction 5h under the conditions of 80 DEG C must be chelated
Zinc borosilicate synergist.
(2) 9.5kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, press
The additive amount of urea 6/1000ths per ton is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 1073ppm.
Embodiment 3
(1) addition 60kg glutamic acid, 80kg borax and 60kg sodium metasilicate into 150kg water, the chelatropic reaction 3h under the conditions of 60 DEG C,
50kg alkyl phenol polyoxyethylene ether and 600kg basic zinc carbonate are added, chelatropic reaction 8h under the conditions of 80 DEG C obtains chelated zinc boron
Silicon synergist.
(2) 11kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, press
The additive amount of urea 5/1000ths per ton is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 914ppm.
Embodiment 4
(1) addition 60kg glutamic acid, 80kg borax and 60kg sodium metasilicate into 150kg water, the chelatropic reaction 8h under the conditions of 60 DEG C,
50kg glycine betaine and 300kg zinc chloride, 300kg zinc sulfate are added, chelatropic reaction 8h under the conditions of 80 DEG C obtains chelated zinc borosilicate
Synergist.
(2) 10.5kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving,
It is driven into fusing urea by the additive amount of urea 5/1000ths per ton with metering pump, it is molten to obtain a kind of chelated zinc borosilicate synergistic urea
Melt liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 901ppm.
Embodiment 5
(1) 40kg glutamic acid, 20kg lactitol, 80kg borax and 60kg sodium metasilicate are added into 150kg water, under the conditions of 60 DEG C
Chelatropic reaction 5h adds 50kg sodium lignin sulfonate and 600kg zinc chloride, and chelatropic reaction 3h under the conditions of 80 DEG C must be chelated
Zinc borosilicate synergist.
(2) 10kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, press
The additive amount of urea 5/1000ths per ton is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 912ppm.
Embodiment 6
(1) 60kg mannitol, 80kg borax and 60kg sodium metasilicate, the chelatropic reaction under the conditions of 50 DEG C are added into 150kg water
6h adds 50kg sodium lignin sulfonate and 600kg zinc sulfate, chelatropic reaction 8h under the conditions of 50 DEG C, obtains the increasing of chelated zinc borosilicate
Imitate agent.
(2) 10.5kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving,
It is driven into fusing urea by the additive amount of urea 5/1000ths per ton with metering pump, it is molten to obtain a kind of chelated zinc borosilicate synergistic urea
Melt liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 907ppm.
Embodiment 7
(1) 60kg citrate, 80kg borax and 60kg liquid silicon, the chelatropic reaction under the conditions of 60 DEG C are added into 150kg water
4h adds 50kg sodium lignin sulfonate and 600kg zinc sulfate, chelatropic reaction 6h under the conditions of 80 DEG C, obtains the increasing of chelated zinc borosilicate
Imitate agent.
(2) 9kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, by every
The additive amount of ton urea 7/1000ths is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.3%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 1178ppm.
Embodiment 8
(1) 60kg mannitol, 80kg borax and 60kg sodium metasilicate, the chelatropic reaction under the conditions of 50 DEG C are added into 150kg water
8h adds 50kg sodium lignin sulfonate and 600kg zinc chloride, chelatropic reaction 2h under the conditions of 90 DEG C, obtains the increasing of chelated zinc borosilicate
Imitate agent.
(2) 12kg yellow colorants are added into the chelated zinc borosilicate synergy liquid that step (1) obtains, after stirring and dissolving, press
The additive amount of urea 5/1000ths per ton is driven into fusing urea with metering pump, obtains a kind of chelated zinc borosilicate synergistic urea melting
Liquid.
(3) chelated zinc borosilicate synergistic urea molten liquid is entered into tower top reactive tank by urine elevator pump, is made by rotation
Grain spray head is granulated out, and the natural cooling in dropping process obtains a kind of chelated zinc borosilicate synergistic urea.
According to the analytical in description of the invention, the nitrogen content of the chelated zinc borosilicate synergistic urea is with chelated zinc
The weight of borosilicate urea total amount is calculated as 46.4%, and the zinc of the chelated zinc borosilicate synergistic urea, boron, silicon total content are with chelated zinc borosilicate
The weight of urea total amount is calculated as 906ppm.
Test example
1 rice field manure trial of test example
Test is carried out in eight society of the Luzhou, Sichuan city Naxi District town the Bai Jie village Yu Wan, experimental field situation: experimental field paddy field with ponded water in winter, and soil is female
The mausoleum matter Sha Xi group purple soil；PH value 7.56, alkali-hydrolyzable nitrogen: 89 ㎎/㎏, available phosphorus: 8.3 ㎎/㎏, available potassium: 106 ㎎/㎏, effectively
Zinc: 2.69 ㎎/㎏, organic matter: 11.98g/100g soil category Various Sizeg of Purple Paddy Soil category, in soil fertility level on, soil fertility is equal
One, paddy field with ponded water in winter, soil nutrient content: p667 5.68；Content of organic matter 19.13g/ ㎏；Full N content 0.421g/ ㎏；Alkali-hydrolyzable nitrogen
98.49㎎/㎏；Available P content 1.60g/ ㎏；60.77 ㎎/㎏ of active potassic content；154 ㎎/㎏ of slow K content.It is for examination rice
Two excellent 1377.Test totally 3 processing, 5 repetitions of every processing amount to 15 cells.Cell setting is 5 meters long, 4 meters wide, area 20
Square metre, minizone is separated with 50 centimetres of ridges, and each individual irrigation and drainage system of Cell Setup, other management measures are respectively handled
Unanimously.Fertilization mode is as follows:
CK: 15kg/ mus of application of phosphoric acid diamines, 10kg/ mus of potassium chloride be used as base fertilizer, do not apply urea.
U: 15kg/ mus of application of phosphoric acid diamines, 10kg/ mus of potassium chloride be used as base fertilizer, rice transplanting imposes common urea after 10 days
10kg/ mus, rice transplanting imposes 5kg/ mus of common urea after 40 days.
A: 15kg/ mus of application of phosphoric acid diamines, 10kg/ mus of potassium chloride be used as base fertilizer, rice transplanting imposes after 10 days in embodiment 1
10kg/ mus of synergistic urea, rice transplanting imposes 5kg/ mus of the synergistic urea in embodiment 1 after 40 days.
The rice agronomy shape of 1 rice manure trial of table is analyzed
。
Influence of 2 different disposal of table to Rice Yield Structure
。
Show from table 1 and the test result of table 2: water can be increased by applying chelated zinc borosilicate synergistic urea prepared by the present invention
The plant height of rice, spike length and sword-like leave are long, obvious to increasing production of rice effect.Increase than not applying Urea treatment (CK) rice per mu yield
18.86%, 6.28% is increased than application common urea (U) rice per mu yield.Chelated zinc borosilicate synergistic urea of the present invention can be improved
Utilization rate of nitrogen fertilizer 6.09% has good environment friendly and economy.
2 summer corn field fertilizer efficiency of test example
Test is carried out in 5 society of Luzhou, Sichuan city Naxi District cotton slope town chessboard village, experimental field situation: experimental field soil is sandy loam
Soil, fertility is uniform, medium, and can arrange can fill.Topsoil soils nutrient are as follows: soil organism 9.17g/ ㎏, 34 ㎎/㎏ of alkali-hydrolyzable nitrogen, have
Imitate 11.9 ㎎/㎏ of phosphorus, 71 ㎎/㎏ of available potassium, pH value 7.9.Experimental field preceding crop is rape, and kind is middle oily 6303.Preceding stubble
Crop fertilization amount: 10 ㎡ of ㎏/667 of+40% compound fertilizer of bottom application 16% calcium superphosphate, 25 ㎏.It is golden fringe 98 for examination corn.Test totally 3
Processing, 5 repetitions of every processing amount to 15 cells.Cell setting is 5 meters long, 4 meters wide, and 20 square metres of area.Cell section aisle
0.3 meter, 1.0 meters of aisle between repeating, test surrounding sets protection row, other management measures are respectively handled unanimously.Fertilization mode is as follows:
CK: 10kg/ mus 15kg/ mus of application of phosphoric acid diamines, potassium chloride/mu do not apply urea as base fertilizer.
U: as base fertilizer, corn transplantation of seedlings imposes general after 10 days for 10kg/ mus 15kg/ mus of application of phosphoric acid diamines, potassium chloride/mu
Urea 10kg/ mus logical, transplanting imposed 10kg/ mus of common urea after 60 days.
A: as base fertilizer, corn transplantation of seedlings imposed reality after 10 days for 10kg/ mus 15kg/ mus of application of phosphoric acid diamines, potassium chloride/mu
10kg/ mus of synergistic urea in example 1 are applied, transplanting imposes 10kg/ mus of synergistic urea in embodiment 1 after 60 days.
3 corn different growing plant height statistical form of table
。
Show from the test result of table 3: being not much different in the corn plant height of each fertilizer treatment of different growing.By to each
The plant height data in a period carry out Duncan variance analysis, as a result equal indifference conspicuousness.During test, the jade of each fertilizer treatment
Rice plant does not show de- fertile phenomenon, and preliminary explanation is able to satisfy corn entire breeding time to the need of nutrient for examination fertilizer substantially
It asks.
Influence of 4 different disposal of table to corn yield Components
。
Show from the test result of table 4: applying chelated zinc borosilicate synergistic urea prepared by the present invention to corn yield increasing effect
Obviously.Increase by 16.86% than not applying Urea treatment (CK) corn per mu yield, is increased than application common urea (U) corn per mu yield
5.04%.Utilization rate of nitrogen fertilizer 5.51% has can be improved in chelated zinc borosilicate synergistic urea of the present invention, there is good environment friendly and warp
Ji property.
The above is only the preferred embodiment of the present invention, it is noted that above preferred embodiment is not construed as to this hair
Bright limitation, protection scope of the present invention should be defined by the scope defined by the claims..For the common of the art
For technical staff, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these improve and
Retouching is also considered as protection scope of the present invention.
Claims (10)
1. a kind of chelated zinc borosilicate synergistic urea, which is characterized in that the urea is made of the raw material of following weight proportion: chelating
0.2 ~ 0.8 part of zinc borosilicate synergist, 99.2 ~ 99.8 parts of urea.
2. chelated zinc borosilicate synergistic urea according to claim 1, which is characterized in that the urea is by following weight proportion
Raw material be made: 0.5 part of chelated zinc borosilicate synergist, 99.5 parts of urea.
3. chelated zinc borosilicate synergistic urea according to claim 1 or 2, which is characterized in that the chelated zinc borosilicate synergy
Agent comprises the following steps, and counts by weight ratio, and 5 ~ 10 parts of organic sequestering agents, 5 ~ 10 parts of boron salts and 5 ~ 10 parts of silicon salts is taken to be added
In 10 ~ 25 parts of water, 2 ~ 8h of chelatropic reaction under the conditions of 40 DEG C ~ 90 DEG C adds 5 ~ 10 parts of adjuvants and 50 ~ 75 parts of zinc salts, in
Under the conditions of 40 DEG C ~ 90 DEG C 2 ~ 8h of chelatropic reaction to get arrive chelated zinc borosilicate synergist.
4. chelated zinc borosilicate synergistic urea according to claim 3, which is characterized in that the organic sequestering agent is selected from sweet
Reveal sugar alcohol, antierythrite, xylitol, lactitol, citric acid, citrate, glutamic acid, polyglutamic acid, glutamate, poly- asparagus fern
One of propylhomoserin is a variety of.
5. chelated zinc borosilicate synergistic urea according to claim 3, which is characterized in that the boron salt is selected from four water, eight boric acid
One of sodium, borax, boric acid, liquid boron are a variety of；The silicon salt in silicic acid, sodium metasilicate, liquid silicon, organosilicon one
Kind is a variety of；The zinc salt is selected from one of zinc sulfate, zinc chloride, zinc carbonate, basic zinc carbonate or a variety of；The adjuvant
Selected from one of sodium lignin sulfonate, fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, glycine betaine or a variety of.
6. chelated zinc borosilicate synergistic urea according to claim 3, which is characterized in that the chelated zinc borosilicate synergist
Middle zinc, boron, silicone content account for the 16% ~ 19% of chelated zinc borosilicate synergist gross mass.
7. a kind of preparation method of chelated zinc borosilicate synergistic urea described in -6 any one according to claim 1, feature exist
In this method comprises the following steps:
(1) it is concentrated in vacuo: colorant being taken to be added in chelated zinc borosilicate synergist, in one section of urea prilling tower evaporation and dual circulation
Between, chelated zinc borosilicate synergist will be coloured using metering pump and will be added in Urea Evaporation System, after evaporation, obtain chelated zinc
Borosilicate synergistic urea molten liquid；
(2) high-tower granulation: chelated zinc borosilicate synergistic urea molten liquid is squeezed into tower top reactive tank by urine pump, is made by rotation
Grain spray head is granulated out, and the natural cooling granulating in dropping process obtains chelated zinc borosilicate synergistic urea.
8. preparation method according to claim 7, which is characterized in that the colorant usage amount is the synergy of chelated zinc borosilicate
The 0.5% ~ 1.5% of agent.
9. preparation method according to claim 7, which is characterized in that urinated in the chelated zinc borosilicate synergistic urea molten liquid
The weight ratio of element and chelated zinc borosilicate synergist is 99.2 ~ 99.8:0.2 ~ 0.8；Nitrogen contains in the chelated zinc borosilicate synergistic urea
Amount accounts for the 46.0% ~ 46.6% of its gross mass.
10. purposes of -6 chelated zinc borosilicate synergistic ureas for rice, corn yield increasing according to claim 1；For rice
When volume increase, application method be 15kg/ mus of application of phosphoric acid diamines, 10kg/ mus of potassium chloride as base fertilizer, rice transplanting imposes chelating after 10 days
10kg/ mus of zinc borosilicate synergistic urea, rice transplanting impose 5kg/ mus of chelated zinc borosilicate synergistic urea after 40 days；When for corn yield increasing,
Application method is 10kg/ mus 15kg/ mus of application of phosphoric acid diamines, potassium chloride/mu as base fertilizer, and corn transplantation of seedlings imposed chela after 10 days
10kg/ mus of zinc borosilicate synergistic urea are closed, transplanting chased after 10kg/ mus of chelated zinc borosilicate synergistic urea after 60 days.
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