CN108147872A - A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil and preparation method and application - Google Patents
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil and preparation method and application Download PDFInfo
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- CN108147872A CN108147872A CN201810118188.8A CN201810118188A CN108147872A CN 108147872 A CN108147872 A CN 108147872A CN 201810118188 A CN201810118188 A CN 201810118188A CN 108147872 A CN108147872 A CN 108147872A
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- water soluble
- soluble fertilizer
- alkali soil
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Abstract
The invention discloses a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil and preparation method and application, the special Water soluble fertilizer of cotton is made of a certain proportion of phosphoric acid, urea, four water-calcium nitrate, monoammonium phosphate, potassium dihydrogen phosphate, potassium chloride, potassium sulfate, boric acid, and step is：1）Granular urea is crushed, potassium chloride, potassium sulfate and boric acid and urea powder are sufficiently mixed using three-dimensional material mixer；2）Potassium dihydrogen phosphate, monoammonium phosphate, calcium nitrate are added in phosphoric acid, is mixed at 40 DEG C, is prepared into homogenate；3）In blender, premix is added according to 50kg/min charging rates in homogenate, homogenate is made, raw material is made fully to react；4）The homogenate of preparation is continued to heat up, moisture is removed, then grain shape is squeezed into through roll shaft, obtains the special Water soluble fertilizer of cotton.Further relate to the application of the special Water soluble fertilizer of cotton.Solve the problems, such as the nutrient demand and salt affected soil water solubility solution longtitudinal dispersion problem of cotton in seedling stage, flower bud phase, flower bell early period or flower bell later stage each growth phase.
Description
Technical field
The invention belongs to technical field of fertilizers, and in particular to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil further relates to
A kind of preparation method of the special Water soluble fertilizer of cotton suitable for saline-alkali soil also relates to a kind of cotton dedicated water suitable for saline-alkali soil
The application of molten fertilizer.
Background technology
Saline-alkali soil is generally the general designation of solonchak and alkaline earth, is widely distributed in NORTHWEST CHINA, North China, West of The Northeast China and east shore
Haiti band.The general pH value of saline-alkali soil be more than 8, sodium carbonate and sodium bicarbonate content are higher, and be adsorbed on soil colloid quantity compared with
More exchange sodium.
Cotton is as system of taproot crop, compared with saline-alkali tolerant, but as soil salt content is increased also to cotton growth and cotton
Yield has an impact.At this stage, in our main product cotton regions, Xinjiang cotton Cotton Soil is largely saline-alkali soil, in order to avoid salt
Influence of the alkali to cotton growth mainly carries out Cotton Production, but existing saline-alkali soil cotton by the planting type of under-film drip irrigation
Tailored version Water soluble fertilizer is less, and peasant generally carries out fertigation using based on potassium dihydrogen phosphate, urea and potassium sulfate, it is impossible to accurate
The precipitation of proper ratio is really carried out for each growthdevelopmental stage of cotton growth；Due to saline-alkali soil ion exchange capacity compared with
Longtitudinal dispersion is bad after height, trickle irrigation or punching fertilising liquid contact saline-alkali soil, leads to incomplete absorption of the root system to nutrient, and near surface by
Secondary perniciousness harm is easily caused in moisture evaporation.
The prior art is retrieved, fertilizer special for cotton material formula can not be wholly adapted to saline-alkali soil or be not applied for cotton life
The long critical period is (such as：Flower bud phase, flowering and boll-setting period), preparation method is mostly granulated, and applied for base using dry mixed or heating melting
Or impose, be not suitable for trickle irrigation and punching apply (the flat high-concentration nano-carbon cotton special fertilizers of Gao Jinhua, He Shouxue, Zhou Li, Zhao Yu and its
Preparation method：CN102491851A[P].2012；Hu Wei, Zhang Yan, Wang Lingli, Li Qingjun, Sun Jiusheng, Xie Yongjun, single Na Na mono-
Kind cotton Controlled availability special BB fertilizer and its preparation：CN103030479A[P].2013；A kind of fertilizer special for cotton of Zhang Dongxu and its preparation
Method：CN104311217A[P].2015；Wang Minxin, Wang Zihao, Cao Xiaoyan, Li Hongshun, old to think, Li Qianhe, Ren Xianshun, grandson
Wings Of The Eagle, Jiao Weiping, blueness is a kind of suitable for the light simplified fertilizer special for cotton in salt-soda soil and preparation method thereof entirely for seedling：
CN106083473A[P].2016).In addition, in the prior art using the fertilizer special for cotton of wet processing production, although meeting
The requirement that trickle irrigation or punching are applied, and the active material of some improvement soil is added to, but product itself meta-alkalescence or sodium ion contain
Amount is higher, should not be in saline-alkali soil chronic administration (Wang Bin, horse prosperity, Dan Nana, Tao Yang, Niu Xinxiang, Wang Xihe, Liu Hua, Shi Jian
Just, Li Baoguo, cantankerous high-concentration nano-carbon cotton special fertilizers and preparation method thereof：CN102491851A[P].2012；Chen Xiao
Tiger, Liao Jixing, noble dragon, Zheng Peijun, Xue Tao, Lin Yuxi, Zhao Weiyi, Luo Chunhui, Huang Fang, a kind of fertilizer special for cotton of Zhao Pingyuan
Preparation method：CN104310351A[P].2015).
Therefore the fertilizer special for cotton of prior art preparation fails to solve cotton in seedling stage, flower bud phase, flower bell early period or flower bell later stage
The nutrient demand problem and salt affected soil water solubility solution longtitudinal dispersion problem of each growth phase and change under low temperature, normal pressure
The technique that conjunction prepares fertilizer special for cotton.
Invention content
The purpose of the invention is to provide a kind of special Water soluble fertilizers of the cotton suitable for saline-alkali soil, and formula is reasonable, use
It is convenient, it be by a certain proportion of phosphoric acid, urea, four water-calcium nitrate, monoammonium phosphate, potassium dihydrogen phosphate, potassium chloride, potassium sulfate,
Boric acid forms, which effectively meets cotton in seedling stage, flower bud phase, flowering and boll-setting period or the nutrient demand in flower bell later stage, effectively improves
Growth rate of cotton plant development.
Another object of the present invention is to be the provision of a kind of preparation side of the special Water soluble fertilizer of the cotton suitable for saline-alkali soil
Method, easy to implement the method, process is easy.
A further object of the invention is to be the provision of a kind of application of the special Water soluble fertilizer of the cotton suitable for saline-alkali soil,
Gradation trickle irrigation or punching apply lower special fertilizer and disclosure satisfy that the demand of cotton in seedling stage, flower bud phase, flowering and boll-setting period or flower bell later stage to mineral nutrient；
And special water-soluble rich water solution has relatively low pH value, and dropper pipe blocking is can effectively prevent in application；It is in addition, special
Fat liquid salt affected soil longitudinal movement well, absorbed using around nutrient removal to cotton root system.
In order to realize above-mentioned purpose, the present invention uses following technical scheme：
Its technical concept is：Cotton in seedling stage foliar fertilizer by a certain proportion of phosphoric acid, urea, four water-calcium nitrate, monoammonium phosphate,
Potassium dihydrogen phosphate, potassium chloride, potassium sulfate, boric acid chemical combination are prepared, and preparation process is：1) granular urea is crushed into powder,
60 mesh sieve is crossed, potassium chloride, potassium sulfate and boric acid are then sufficiently mixed system with crossing the urea powder of 60 mesh sieve using three-dimensional material mixer
It is standby into premix；2) potassium dihydrogen phosphate, monoammonium phosphate, calcium nitrate are added in phosphoric acid in sequence, it is fully mixed under 40 DEG C of environment
It closes, is prepared into homogenate；3) low whipping speed is in the blender of 120r/min, and premix is added according to 50kg/min charging rates
Enter in homogenate, homogenate (breast) is made, is warming up to 60 DEG C step by step, raw material is made fully to react；4) by the homogenate of preparation (breast) after of continuing rising
Temperature removes moisture, then be squeezed into grain shape through roll shaft to get a kind of special Water soluble fertilizer of the cotton suitable for saline-alkali soil to 75 DEG C；It or will
The homogenate (breast) of preparation is granulated through roller, dry to get a kind of special Water soluble fertilizer of the cotton suitable for saline-alkali soil.
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made of the mass fraction of following raw material：
The sum of mass percent of more than raw material is 100%；
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
In above-mentioned raw materials, per 100kg phosphoric acid P containing 61kg2O5；It is N containing 46kg per 100kg urea；Per tetra- water nitre of 100kg
Sour calcium N containing 11kg, 16kg Ca；Per 100kg monoammonium phosphates N containing 12kg, 45kg P2O5；Contain per 100kg potassium dihydrogen phosphates
52kg P2O5, 34kg K2O；Per 100kg potassium chloride K containing 60kg2O；Per 100kg potassium sulfates K containing 50kg2O；Per 100kg boric acid
B containing 16kg.
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made (preferred scope) of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made (good range) of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made (optimum range) of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made (optimum value) of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil is made of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
Pass through the proportioning of above-mentioned raw materials, it is determined that the best of various raw materials prepares mass fraction, N during water solubility is fertile：P2O5：
K2O ratios are about 4:3:2 or 2:3:3.According to nutrient requirement characteristics during Developmental of Cotton, N in water-soluble fertilizer：P2O5：
K2O ratios are 4:3:2 suitable cotton in seedling stage and flower bud phase application, N：P2O5：K2O ratios are 2:3:3, which are more suitable for cotton flowering and boll-setting period, applies
With.
Pass through above-mentioned measure：The raw material for selecting available nutrient content high in fertilizer material selection first, greatly
The nutrient density for preparing product is improved, reduces the content of the element except essential nutrient element；Secondly in product without sodium from
Son avoids accumulating due to soil sodium element caused by long-term fertilization；It is based on the large area multiple spot tune to South Sinkiang and North SinKiang again
It looks into and is analyzed with plant nutrition, propose the comprehensive nutrient formula of suitable early period and later stage cotton growth respectively；And in raw material
A certain amount of calcium constituent and boron element are added to, can be ensured in cotton growth process to the need of both crucial trace elements
It asks.
A kind of preparation method of the special Water soluble fertilizer of cotton suitable for saline-alkali soil, step are：
(1) granular urea is crushed into powder, crosses 60 mesh sieve, then by potassium chloride, potassium sulfate and boric acid with crossing 60 mesh sieve
Urea powder be sufficiently mixed using three-dimensional material mixer and be prepared into premix；
(2) potassium dihydrogen phosphate, monoammonium phosphate, calcium nitrate are added in phosphoric acid in sequence, are sufficiently mixed under 40 DEG C of environment,
It is prepared into homogenate；
(3) low whipping speed be 120r/min blender in, by the premix that step (1) obtains according to 50kg/min into
Material speed is added in the homogenate that step (2) obtains, and homogenate (breast) is made, is warming up to 60 DEG C step by step, raw material is made fully to react；
(4) homogenate (breast) that step (3) is prepared is continuously heating to 75 DEG C, removes moisture, then be squeezed into through roll shaft
Grain shape is to get a kind of special Water soluble fertilizer of the cotton suitable for saline-alkali soil；Or be granulated the homogenate (breast) of preparation through roller, it is dry, i.e.,
Obtain a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil.
Prepared fertilizer nutrient content and physicochemical property meet NY1107-2010 (Macroelement water-soluble fertilizer marks
It is accurate).It can be accordingly multiplied by according to output and can be used using the multiple of raw material.
Preparation method provided by the invention is easy；Raw material nutrient formula is reasonable, and property is stablized between component after chemical combination, is not required to add
Add anti-caking agent；Environmental-friendly, ecological safety, there is no environmental pollution problems；Application easy to spread
In above-mentioned measure, step (2) completes the mixing of phosphorous raw material according to the similar principle that mixes, and calcium constituent is carried out
Chelating；Step (3) completes the mixing to premix, makes to chemically react between raw material, is combined to fertilizer homogenate；In step (4)
Two kinds of prilling process be the technique adjustment carried out according to specific production equipment feature.
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil is in seedling stage or flower bud phase or flowering and boll-setting period are filled or rushed with water droplet and apply application,
Its method is：
Xinjiang cotton when trickle irrigation is poured water by under-film drip irrigation system dissolved in water,
A, seedling stage, using 1 time, 5kg~8kg/ mus of amount of application；
B, flower bud phase, using 2 times, 8kg~10kg/ mus of amount of application；
C, flowering and boll-setting period, using 4 times, 6kg~8kg/ mus of amount of application.
Other Saline-alkali Lands are watered using furrow irrigation or microspray irrigation dissolved in water,
A, seedling stage, using 1 time, 6kg~8kg/ mus of amount of application；
B, flower bud phase, using 1 time, 8kg~10kg/ mus of amount of application；
C, flowering and boll-setting period, using 2 times, 8kg~11kg/ mus of amount of application.
Xinjiang cotton every season under-film drip irrigation applies 45kg~60kg/ mus, and the plant cotton region every season punching of other saline-alkali soil is applied or micro- spray
It fills and applies 30kg~40kg/ mus.
Compared with prior art, the present invention it has the advantages that：
First, the present invention is a kind of special water-soluble fertilizer of cotton suitable for saline-alkali soil, meets cotton growth rule, and
The invention belongs to chemically acid fertilizer, it is more suitable for saline-alkali soil application, therefore there is stronger specific aim and special compared with the prior art
Feature；
Secondly, water soluble fertilizer preparation process of the invention is to prepare solid fertilizer using liquid charging stock, is produced compared with BB fertilizer
Technique and Common compound fertilizer production technology have technical advance；
Again, during fertilizer material chemical combination, a large amount of stabilization chemical combination between phosphorous raw material and calcic raw material are solved
Problem, the special water soluble fertilizer dissolubility of prepared cotton is good, is precipitated using common water source dissolving free from admixture.
In conclusion a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, raw material is chosen and nutrient formula is more reasonable, mesh
Mark it is with strong points, can apply area it is wide；Water soluble fertilizer dissolubility prepared by the present invention is good, and in acidity, can effectively reduce
Salt crust in drip irrigation zone；Simultaneously the migration of solution in the soil can be improved using the present invention, more conducively absorption of the cotton to fertilizer,
So as to improve Developmental of Cotton and yield.
Specific embodiment
Embodiment 1：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made of the mass fraction of following raw material：
Nitrogen (N), the phosphorus (P of above-mentioned cotton in seedling stage foliar fertilizer2O5), potassium (K2O), calcium (Ca), boron (B) content are：
A kind of preparation method of the special Water soluble fertilizer of cotton suitable for saline-alkali soil, step are：
(1) granular urea is crushed into powder, crosses 60 mesh sieve, then by potassium chloride, potassium sulfate and boric acid with crossing 60 mesh sieve
Urea powder be sufficiently mixed using three-dimensional material mixer (SYH-100 types) and be prepared into premix；
(2) potassium dihydrogen phosphate, monoammonium phosphate, calcium nitrate are added in phosphoric acid in sequence, are sufficiently mixed under 40 DEG C of environment,
It is prepared into homogenate；
(3) low whipping speed is the premix that obtains step (1) in the blender (vapor heating type 300L) of 120r/min
Material is added according to 50kg/min charging rates in the homogenate that step (2) obtains, and homogenate (breast) is made, is warming up to 60 DEG C step by step, makes
Raw material fully reacts；
(4) homogenate (breast) that step (3) obtains is continuously heating to 75 DEG C, removes moisture, then squeeze through roll shaft (DGZ-1 types)
Grain shape is pressed into get a kind of special Water soluble fertilizer of the cotton suitable for saline-alkali soil；Or be granulated the homogenate (breast) of preparation through roller, it does
It is dry to get a kind of special Water soluble fertilizer of the cotton suitable for saline-alkali soil.
Preparation method provided in this embodiment is easy；Raw material nutrient formula is reasonable, and property is stablized between each component after chemical combination, no
Anti-caking agent need to be added；Environmental-friendly, ecological safety, there is no environmental pollution problems；Application easy to spread.
First, the present embodiment has stronger specific aim and special feature compared with the prior art, is more suitable for saline-alkali soil cotton field and applies
With；Secondly, water soluble fertilizer preparation process provided in this embodiment is to prepare solid fertilizer using liquid charging stock, is produced compared with BB fertilizer
Technique and Common compound fertilizer production technology have technical advance；Again, it during fertilizer material chemical combination, solves and largely contains
Stabilization chemical combination problem between phosphorus raw material and calcic raw material, the special water soluble fertilizer dissolubility of prepared cotton is good, light water
Source dissolving free from admixture precipitation.
100 times of liquid energies of fertilizer special for cotton that the present embodiment is prepared enough improve 12% penetration depth in the longitudinal direction, reduce
4% moistened surface extends, and longitudinal infiltration can improve contact of the fertilizer with liquid, improves utilization of the cotton to fertilizer.
Embodiment 2 is to embodiment 7：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made of the mass fraction (%) of following raw material：
| Raw material and embodiment | 2 | 3 | 4 | 5 | 6 | 7 |
| Phosphoric acid | 15 | 12 | 15 | 13 | 12.5 | 18 |
| Urea | 24 | 35 | 35 | 30 | 34 | 32 |
| Four water-calcium nitrate | 9 | 10 | 9 | 10 | 11 | 11 |
| Monoammonium phosphate | 10 | 10 | 10 | 11 | 10.5 | 7 |
| Potassium dihydrogen phosphate | 8 | 8 | 8 | 8 | 5 | 5 |
| Potassium chloride | 13 | 12 | 10 | 10 | 10 | 10 |
| Potassium sulfate | 18 | 10 | 10 | 15 | 14 | 14 |
| Boric acid | 3 | 3 | 3 | 3 | 3 | 3 |
Its preparation process is same as Example 1.
For cotton growth characteristic under different cotton production areas and different land use patterns (live streaming or transplanting), embodiment 2- is implemented
Example 7 is respectively high nitrogen, high phosphorus, high nitrogen phosphorus series formula, meets saline-alkali soil cotton growth rule, and the invention belongs to chemical acid
Property fertilizer, the application of more suitable saline-alkali soil during fertilizer material chemical combination, solves a large amount of between phosphorous raw material and calcic raw material
Stablize chemical combination problem, the special water soluble fertilizer dissolubility of prepared cotton is good, is precipitated using common water source dissolving free from admixture.
Embodiment 8：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil is in seedling stage or flower bud phase or flowering and boll-setting period are filled or rushed with water droplet and apply application,
Its method is：
Xinjiang cotton when trickle irrigation is poured water by under-film drip irrigation system dissolved in water,
A, seedling stage, using 1 time, 5kg~8kg/ mus of amount of application；
B, flower bud phase, using 2 times, 8kg~10kg/ mus of amount of application；
C, flowering and boll-setting period, using 4 times, 6kg~8kg/ mus of amount of application.
Other Saline-alkali Lands are watered using furrow irrigation or microspray irrigation dissolved in water,
A, seedling stage, using 1 time, 6kg~8kg/ mus of amount of application；
B, flower bud phase, using 1 time, 8kg~10kg/ mus of amount of application；
C, flowering and boll-setting period, using 2 times, 8kg~11kg/ mus of amount of application.
Xinjiang cotton every season under-film drip irrigation applies 45kg/ mus or 50kg/ mus or 55kg/ mus or 60kg/ mus, other saline-alkali soil
Plant cotton region every season punching is applied or microspray irrigation applies 30kg/ mus or 35kg/ mus or 40kg/ mus.
Embodiment 9
A kind of physicochemical property of the special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is characterized in that：
According to fertilizer：The mass ratio 1 of water:10000 carry out dissolved dilution experiments, the natural dissolving of special fertilizer under equal grain size
Time (not stirring) is 5 minutes, higher than 7 minutes of potassium dihydrogen phosphate, close to 4 minutes of urea；Dissolved solution pH sequences
For special fertilizer ＜ potassium dihydrogen phosphate ＜ urea, special solution pH is about 5；Be utilized respectively Kjeldahl method measure nitrogen in special solution,
Potassium and calcium, the phosphorus in the special solution of molybdenum blue method measure, curcumin method measure special in atomic absorption spectroscopy determination special fertilizer
With the boron in fertilizer, measurement result is all higher than being equal to theoretical value.Therefore, special Water soluble fertilizer has preferable dissolubility, acidity and supports
Divide validity.
Embodiment 10：
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil with water migration rule, it is characterized in that：
Indoors under the conditions of Dripping simulation, 20mL clear water or fertilizer special for cotton are instilled into phase homogenous quantities saline-alkali soil respectively
100 times of liquid, 30min after titration measure water profit area and the instillation liquid for instilling that liquid is formed on saline-alkali soil surface respectively
Body depth of penetration.
The results show that instilling liquid by saline-alkali soil infiltration in funnel-form centrum, clear water processing topsoil wetting areas is
22.79cm2, invasive depth 2.20cm, 100 times of liquid of fertilizer special for cotton processing topsoil wetting areas are 21.88cm2, infiltration
Depth is 2.50cm；Compared with clear water processing, 100 times of liquid energies of fertilizer special for cotton are enough to improve 12% penetration depth in the longitudinal direction, drops
Low 4% moistened surface extends, and longitudinal infiltration can improve contact of the fertilizer with cotton root system, improves profit of the cotton to fertilizer
With.
Claims (9)
1. a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil, it is made of the mass fraction of following raw material：
Raw material %
Phosphoric acid 5-30
Urea 10-40
Four water-calcium nitrate 5-20
Monoammonium phosphate 5-20
Potassium dihydrogen phosphate 1-20
Potassium chloride 3-20
Potassium sulfate 2-20
Boric acid 0.5-8；
The sum of mass percent of more than raw material is 100%；
A kind of preparation method of the special Water soluble fertilizer of cotton suitable for saline-alkali soil, step are：
A. granular urea is crushed into powder, crosses 60 mesh sieve, then by potassium chloride, potassium sulfate and boric acid and the urea for crossing 60 mesh sieve
Powder is sufficiently mixed using three-dimensional material mixer and is prepared into premix；
B. potassium dihydrogen phosphate, monoammonium phosphate, calcium nitrate are added in phosphoric acid in sequence, is sufficiently mixed under 40 DEG C of environment, prepared
Into homogenate；
C. low whipping speed is in the blender of 120r/min, by the premix that step A is obtained according to 50kg/min charging rates
It adds in the homogenate that step B is obtained, homogenate or even breast is made, is warming up to 60 DEG C step by step, raw material is made fully to react；
D. the obtained homogenate of step C or even breast are continuously heating to 75 DEG C, remove moisture, then through roll shaft be squeezed into grain shape to get
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil；Or the obtained homogenate of step C or even breast are granulated through roller, it is dry to get
A kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil.
2. according to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil of claim 1, it is characterised in that：
Raw material %
Phosphoric acid 7.5-25
Urea 15-39
Four water-calcium nitrate 6-15
Monoammonium phosphate 6-18
Potassium dihydrogen phosphate 1.2-15
Potassium chloride 6-18
Potassium sulfate 4-19
Boric acid 2-6.
3. according to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil of claim 1, it is characterised in that：
Raw material %
Phosphatase 11 0-20
Urea 20-38
Four water-calcium nitrate 7-12
Monoammonium phosphate 8-17
Potassium dihydrogen phosphate 1.5-12
Potassium chloride 8-16
Potassium sulfate 6-18.5
Boric acid 3-5.
4. according to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil of claim 1, it is characterised in that：
Raw material %
Phosphatase 11 2-16
Urea 22-37
Four water-calcium nitrate 8-10
Monoammonium phosphate 10-16
Potassium dihydrogen phosphate 1.6-9
Potassium chloride 10-15
Potassium sulfate 9-18
Boric acid 3.5-4.5.
5. according to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil of claim 1, it is characterised in that：
Raw material %
Phosphatase 11 2.5
Urea 36.2
Four water-calcium nitrate 8.7
Monoammonium phosphate 15.2
Potassium dihydrogen phosphate 1.8
Potassium chloride 12.8
Potassium sulfate 9.3
Boric acid 3.5.
6. according to a kind of special Water soluble fertilizer of cotton suitable for saline-alkali soil of claim 1, it is characterised in that：
Raw material %
Phosphatase 11 5
Urea 24
Four water-calcium nitrate 9
Monoammonium phosphate 10
Potassium dihydrogen phosphate 8
Potassium chloride 13
Potassium sulfate 18
Boric acid 3.
7. the special Water soluble fertilizer of a kind of cotton suitable for saline-alkali soil described in claim 1 fills or rushes in seedling stage answering in applying with water droplet
With.
8. the special Water soluble fertilizer of a kind of cotton suitable for saline-alkali soil described in claim 1 fills or rushes answering in applying with water droplet in flower bud phase
With.
9. the special Water soluble fertilizer of a kind of cotton suitable for saline-alkali soil described in claim 1 is in flowering and boll-setting period is filled with water droplet or punching is applied
Using.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108752080A (en) * | 2018-08-02 | 2018-11-06 | 张居政 | A method of using the legal preparation composite fertilizer of extruded carbon |
| CN113968762A (en) * | 2021-12-01 | 2022-01-25 | 中化农业（临沂）研发中心有限公司 | Special cotton fertilizer suitable for saline-alkali soil and preparation method and application thereof |
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