CN104150971B - Calcium-reinforced SOD urea fertilizer, preparation method and application thereof - Google Patents
Calcium-reinforced SOD urea fertilizer, preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a calcium-reinforced SOD urea fertilizer, a preparation method and an application thereof. The calcium-reinforced SOD urea fertilizer comprises 98-99 parts by mass of urea and a calcium-reinforced SOD synergist which is composed of 0.005-1 parts by mass of a calcium reinforcing agent and 0.05-2 parts by mass of composite SOD. The calcium-reinforced SOD urea fertilizer is applied in field crops, fruit trees and vegetables, and is applied in prevention and cure of wood spot diseases and core decay diseases of the fruit trees. The calcium-reinforced SOD urea fertilizer contains SOD and Ca<2+> at the same time so that a stress resistance of a SOD urea fertilizer to crops. A lodging-resistant performance, an anti-disease performance and an insect-resistant performance of the crops are significantly enhanced. The urea fertilizer can achieve significant production increase of the crops and is reduced in application amount through improvement of a use ratio of urea. A usage amount of the fertilizer can be reduced by more than 25%.
Description
Technical field
The present invention relates to a kind of urea fertilizer and its preparation method and application, refer in particular to a kind of calcium strengthening SOD urea fertilizer and its preparation method and application.
Background technology
Along with the development of agricultural cience and farming techniques, multi-Functional Fertilizers is progressively developed and applied.Multi-Functional Fertilizers refers to except containing except the necessary nutrient of plant growth, also has the fertilizer of other functions, such as, promote that crop takes root, improves the resistance of plant or resistance against diseases etc.Because multi-Functional Fertilizers has extraordinary effect in raising utilization rate of fertilizer, increase crop yield, lifting quality of agricultural product and enhancing crops resistance etc., therefore its market scale constantly expands.
Chinese patent CN100418930C discloses a kind of SOD
murea, comprises the SOD that mass content is 0.01 ~ 0.1%
m, 99% ~ 99.99% urea, wherein SOD
mfor metalloproteinases, in this metalloproteinases, metal ion is transition metal ions or alkaline-earth metal ions; Organic ligand is the homology small peptide of Prof. Du Yucang, this homology small peptide by amino acid monomer be L-Aspartic acid, D.L-aspartic acid, Pidolidone or 1B be polymerized separately.
SOD
murea, through practical proof, its function is mainly reflected in two aspects: 1. slow-release function: the deenergized period of fertilizer extends, plant absorption amount increases, improve utilization rate of fertilizer, therefore can reduce total fertilization amount, objectively decrease the environmental pollution that fertilizer loss causes; 2. degeneration-resistant function: the superoxide radical produced in environment stress situation in plant can be removed, reduce the destructions such as its cell membrane oxidation, albuminous degeneration, DNA chain rupture, improve plant stress-resistance ability, reduce low temperature, high salt, arid, atmosphere pollution, intense radiation conditions to the harm of crops, relatively improve agricultural output.
But along with biological field going deep into stress resistance of plant study on mechanism, people recognize the limitation of SOD urea in degeneration-resistant gradually.The resistance of plant refers to some proterties of the opposing adverse environment that plant has, as cold-resistant, and drought resisting, anti-salt, disease and insect resistance etc." the Ca that " Xinyang agricultural higher junior college journal " March the 1st in 2008 is interim
2+with stress resistance of plant research overview " (Xing Yuan), " subtropical plant science " calendar year 2001 the 4th interim " Ca
2+with the relation (summary) of fruit tree resistance " interim " Ca in plant of (Chen Lisong, Liu Xinghui), " Fujian Agricultural Univeristy's journal " 1997 the 3rd
2+system of couriers and the relation with resistance thereof " achievement in research of the many sections of papers such as interim " the research progress of plant stress resistance " (Chen Xiuchen, Xiong Dongjin) of (Chen Lisong, Liu Xinghui), " hubei agricultural science " 2010 the 9th, confirm that resistance relates to many aspects of plant physiological processes, the realization of resistance is a complicated system engineering, need a series of biochemical process to link, this process must have a large amount of Ca
2+participation, otherwise its resistance can be subject to extreme influence.Ca
2+important function main body in this respect maintains the stability of cell membrane, cell membrane and embrane-associated protein now, and participates in environment-stress reply process etc. as second messenger, is the important control person of plant adjusting ambient Stress responses.
Due to Ca
2+to be not easy absorb by crop, so the situation of crops calcium deficiency is at China's most area ubiquity, even becomes the key factor of restriction agricultural industry volume increase in some place and have influence on crop quality.In the case, owing to lacking Ca
2+support, SOD urea cannot play the effect that it improves crop anti-adversity ability, and effect of increasing production receives very large impact.
In addition, in planting fruit trees, some common diseases can badly influence outward appearance and the quality of fruit.Such as, shank common in the plantation of imperial crown pears is sick, and usually fall ill during fruit maturation and storing, by force sudden, pericarp forms brown texture, very large on fruit appearance impact.Rotten worry, also known as mould worry, is one of Major Diseases of current apple cultivation, and Apple goes rotten to external expansion from core portion, gradually, finally causes full fruit to rot, come off, greatly reduces apple production and nutrient quality.Wood pinta, also known as cork pinta, cork spot disease, initial stage main manifestations is that fruit tree annotinous branch xylem feels like jelly, long has brown or the mould layer of black, and later stage main manifestations is the variable soft rot of fruit, shelf time shortens, fruit seriously shrivelled, be covered with mildew.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of calcium strengthening SOD urea fertilizer, and this urea fertilizer contains compound SOD and Creta Preparata, effectively can improve the anti-adversity of crop, and play good preventive and therapeutic effect to fruit diseases.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of calcium strengthening SOD urea fertilizer, the calcium strengthening SOD synergist comprise the urea of 98 ~ 99 mass parts, being made up of 0.005 ~ 1 mass parts Creta Preparata and the compound SOD of 0.05 ~ 2 mass parts; The calcium strengthening SOD synergist preferably comprise the urea of 98 ~ 99 mass parts, being made up of 0.05 ~ 1 mass parts Creta Preparata and the compound SOD of 1.01 ~ 2 mass parts.
Further improvement of the present invention is: described compound SOD is made up of poly-aspartic potassium and poly-aspartate manganese; Described Creta Preparata is any one or a few in calcium polyaspartate, calcium formate, calcium gluconae.
Further improvement of the present invention is: the molecular weight of described calcium polyaspartate is 5000 ~ 8000.
A preparation method for calcium strengthening SOD urea fertilizer, is characterized in that comprising following steps:
A, prepare calcium strengthening SOD synergist
Compound SOD and Creta Preparata all quantitatively mix in the form of a solution, and obtain calcium strengthening SOD synergist, the mass ratio of compound SOD solution and Creta Preparata solution is 8:1 ~ 15:1, preferred 8:1 ~ 12:1; The mass concentration of compound SOD solution and Creta Preparata solution is 30% ~ 45%;
B, prepare calcium strengthening SOD urea fertilizer
Calcium strengthening SOD synergist obtained for steps A is mixed with fusing urea, after evaporation prilling, namely obtains calcium strengthening SOD urea fertilizer; The addition of calcium strengthening SOD synergist is 2 ~ 65Kg/ urea per ton, is preferably 34 ~ 55Kg/ urea per ton.
In described steps A:
The preparation method of compound SOD solution is: polysuccinimide is hydrolyzed to obtain poly-aspartate potassium solution under water and potassium hydroxide exist; Then in poly-aspartate potassium solution, add acid for adjusting pH to 6.5 ~ 7.0, then add soluble manganese salt wherein, be stirred to dissolving, poly-aspartate potassium solution is 100 parts: 0.75 part ~ 100 parts: 2 parts with the quality proportioning with soluble manganese salt; Finally by add water or transpiring moisture adjustment solids content be 30% ~ 45%, obtain compound SOD solution;
The preparation method of poly-aspartate calcium solution is: polysuccinimide is carried out ordinary-temp hydrolysis under water and calcium hydroxide exist, polysuccinimide and calcium hydroxide mass ratio are 100:35 ~ 100:45, hydrolysis time 1 ~ 3h, obtains the suspension containing calcium polyaspartate; Add acid for adjusting pH to 4 ~ 5 to containing in the suspension of calcium polyaspartate, then by add water or transpiring moisture adjusts its solids content, obtain the calcium polyaspartate that mass content is 30% ~ 45%;
The preparation method of calcium formate solution and calcium gluconate solution is: take calcium formate or calcium gluconae sterling, is dissolved in water into the even suspension that mass content is 30% ~ 45%;
In described step B, agricultural dyestuff and calcium are strengthened SOD synergist and first mixes, then mix with fusing urea, for distinguishing with common urea.
Described calcium strengthening SOD urea fertilizer is applied to field crop, fruit tree or vegetables, and fruit tree shank disease, wooden pinta, rotten worry control.
Owing to have employed technique scheme, the technological progress acquired by the present invention is:
The invention provides a kind of calcium strengthening SOD urea fertilizer, the compound SOD in this urea fertilizer has degeneration-resistant and nutrition double action, and Creta Preparata has courier and nutrition double action.These two kinds of components are added in urea with suitable proportion, define that anti-adversity is high, effect of increasing production obvious calcium strengthening SOD urea fertilizer.By replenishing the calcium to crop, effectively enhance calcium strengthening SOD urea fertilizer to the impact of crop anti-adversity energy; Under the double action of compound SOD and Creta Preparata, resistant to lodging, disease-resistant, the pest-resistant performance of crop all obtains and significantly improves; This urea fertilizer can make crop obviously increase production, and reduces the amount of application of fertilizer by the utilization rate improving urea, economizes on fertilizer and reaches more than 25%.
This urea fertilizer is applied in field crop, fruit tree and vegetables, increasing of quality and production successful.In planting fruit trees field, using of this urea fertilizer, effectively can improve the content of organic matter of soil for fruit tree supplementing calcium element, thus improve disease-resistant performance, the reduction disease incidence of disease of fruit tree, especially the shank for imperial crown pears is sick, the rotten worry of apple and fruit tree pinta have extraordinary prevention effect, can effectively improve the state of an illness, the integrality improving fruit and taste, increase fruit storability so that improve fruit yield.
In this urea fertilizer, the ratio of urea, compound SOD and Creta Preparata is reasonable, meets the demand of crop to element, and the existence of compound SOD and urea, is conducive to the absorption of crop to calcium constituent.The Ca of crop own
2+the raising of content, the removing superoxide radical function had with SOD produces and acts synergistically, and the anti-adversity ability of crop is significantly improved; Meanwhile, Ca
2+also there is the effect strengthening root system of plant, improve plant intensity, promote cell division growth, improve ageing resistance etc., the seed output and quality of agricultural product can be significantly improved, increase economic well-being of workers and staff.
In product urea fertilizer of the present invention, also include poly-aspartic potassium composition, not only can supplement potassium for crop, and can also Ca be promoted
2+absorption, improve the micronutrient levels of crop.
The present invention limits to compound SOD solution with as the preparation method of the calcium polyaspartate of Creta Preparata, by the restriction to course of reaction and response parameter, thus ensure compound SOD, calcium polyaspartate has best solid content and molecular weight, and then guarantees the content of active ingredient in obtained calcium strengthening SOD urea fertilizer further; The molecular weight be applicable to not only is conducive to these two kinds of raw molecules and enters cell interior through crop cell film, and, carbonyl on these two kinds of molecules is connected with the amino on urea molecule by hydrogen bond action, extends the time that urea discharges in soil, extends the term of validity of fertilizer.
Present invention also offers the preparation method of a kind of calcium strengthening SOD urea fertilizer, comprise and prepare calcium strengthening SOD synergist, prepare calcium strengthening SOD urea fertilizer two steps.
In the preparation process of calcium strengthening SOD synergist, compound SOD and Creta Preparata quantitatively mix in the form of a solution, and the mass ratio of compound SOD solution and Creta Preparata solution is 8:1 ~ 15:1, preferred 8:1 ~ 12:1.Use the mixing of solution form can ensure that both mix further, in made calcium strengthening SOD urea fertilizer, active ingredient is uniformly distributed.This mixed proportion effectively improves the optimum amount of crop anti-adversity energy, if the ratio of compound SOD increases, the Creta Preparata that content reduces relatively cannot play good calcium supplementing effect to crop, and synergistic effect is not obvious; If the ratio of Creta Preparata increases, the consumption of compound SOD reduces relatively, and the anti-adversity of crop also can be affected.
In the preparation process of calcium strengthening SOD urea fertilizer, the addition of calcium strengthening SOD synergist is 2 ~ 65Kg/ urea per ton, is preferably 34 ~ 55Kg/ urea per ton, and this is the optimal proportion ensureing calcium strengthening SOD urea fertilizer performance.If the usage ratio of calcium strengthening SOD synergist reduces, increasing production degeneration-resistant effect can reduce; If the usage ratio of calcium strengthening SOD synergist is excessive, because the absorbability of crop is limited, crop performance can not be made to improve further, and cost increase, is unfavorable for applying.
In addition, the present invention adopts calcium to strengthen the first preparation method mixing with agricultural dyestuff, mix with fusing urea of SOD synergist, to ensure that each component mixes, in urea fertilizer, active principle content is consistent, and is distinguished by dyeing and common urea fertilizer, facilitated peasant to use.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further details:
In the following example, polysuccinimide used is self-control, and preparation process is: the L-Aspartic acid of technical grade being heated to 200 DEG C ~ 250 DEG C is polymerized, and polymerization time is 2.0h ~ 3.0h, and polymerizate is polysuccinimide.L-Aspartic acid buying is from Yantai Hengyuan Bioengineering Co., Ltd..
Other source chemicals used in the following example are common commercially available prod, chemical pure or technical pure.Common SOD Urea Series CN100418930C patented product in an embodiment for contrasting.
A kind of calcium strengthening SOD urea fertilizer, the calcium strengthening SOD synergist comprise the urea of 98 ~ 99 mass parts, being made up of 0.005 ~ 1 mass parts Creta Preparata and the compound SOD of 0.05 ~ 2 mass parts; The calcium strengthening SOD synergist preferably comprise the urea of 98 ~ 99 mass parts, being made up of 0.05 ~ 1 mass parts Creta Preparata and the compound SOD of 1.01 ~ 2 mass parts; The calcium strengthening SOD synergist most preferably comprise the urea of 98 ~ 99 mass parts, being made up of 0.1 ~ 0.5 mass parts Creta Preparata and the compound SOD of 1.5 ~ 1.8 mass parts.
Described compound SOD is made up of poly-aspartic potassium and poly-aspartate manganese, and the mol ratio of poly-aspartic potassium and poly-aspartate manganese is 35:1 ~ 45:1; The molecular weight of compound SOD is 2000 ~ 7000.
Described Creta Preparata is any one or a few in calcium polyaspartate, calcium formate, calcium gluconae, and being preferably molecular weight is the calcium polyaspartate of 5000 ~ 8000.
The preparation method of calcium strengthening SOD urea fertilizer comprises following steps:
A, prepare calcium strengthening SOD synergist
Compound SOD and Creta Preparata all quantitatively mix in the form of a solution, obtain calcium strengthening SOD synergist; The mass ratio of compound SOD solution and Creta Preparata solution is 8:1 ~ 15:1, preferred 8:1 ~ 12:1;
The concentration of described compound SOD solution is 30% ~ 45%, and the concentration of Creta Preparata solution is 30% ~ 45%;
The preparation method of compound SOD solution is: polysuccinimide is hydrolyzed to obtain poly-aspartate potassium solution, hydrolysis temperature 50 DEG C ~ 80 DEG C, hydrolysis time 1.5h ~ 5.0h under water and potassium hydroxide exist; Then in poly-aspartate potassium solution, add acid for adjusting pH to 6.5 ~ 7.0, acid used is any one or a few the mixing in nitric acid, formic acid, acetic acid, phosphoric acid; Add soluble manganese salt wherein again, such as manganese sulfate, manganese chloride or manganese nitrate, be stirred to dissolving at 50 DEG C ~ 80 DEG C, poly-aspartate potassium solution is 100 parts: 0.75 part ~ 100 parts: 2 parts with the quality proportioning with soluble manganese salt; Finally by add water or transpiring moisture adjustment solids content be 30% ~ 45%, obtain compound SOD solution.
The preparation method of poly-aspartate calcium solution is: polysuccinimide is carried out ordinary-temp hydrolysis under water and calcium hydroxide exist, polysuccinimide and calcium hydroxide mass ratio are 100:35 ~ 100:45, hydrolysis time 1 ~ 3h, obtains the suspension containing calcium polyaspartate; Add acid for adjusting pH to 4 ~ 5 to containing in the suspension of calcium polyaspartate, acid used is any one or a few in formic acid, acetic acid, nitric acid, phosphoric acid; Finally by add water or transpiring moisture adjustment solids content be 30% ~ 45%, obtain poly-aspartate calcium solution.
The preparation method of calcium formate solution and calcium gluconate solution is: take calcium formate or calcium gluconae sterling, is dissolved in water into the solution that mass content is 30% ~ 45%.
B, prepare calcium strengthening SOD urea fertilizer
Calcium obtained with steps A for agricultural dyestuff is strengthened SOD synergist first mix, and then mix with fusing urea, after evaporation prilling, namely obtain calcium strengthening SOD urea fertilizer; The addition of calcium strengthening SOD synergist is 2 ~ 65Kg/ urea per ton, preferably 34 ~ 55Kg/ urea per ton, most preferably 40Kg/ urea per ton.
The application of described calcium strengthening SOD urea fertilizer, is applied to field crop, fruit tree or vegetables, particularly has good prevention effect to the shank disease of fruit tree, wooden pinta, rotten worry.
Embodiment 1
1. the preparation of raw material
The preparation of 1.1 compound SOD solution:
Polysuccinimide is hydrolyzed under water and potassium hydroxide exist, hydrolysis temperature 50 DEG C ~ 80 DEG C, hydrolysis time 1.5h ~ 5.0h, obtains poly-aspartate potassium solution; Formic acid, regulation system pH to 6.5 ~ 7.0 are added in poly-aspartate potassium solution; Then in system, add manganese chloride, the addition of manganese chloride is that every 100 mass parts poly-aspartate potassium solutions add 1 part of manganese chloride, and be stirred to manganese chloride and dissolve completely, the solution temperature of manganese chloride controls at 50 DEG C ~ 80 DEG C; Then by add water or the mode of transpiring moisture adjusts system solid masses content to 30%, compound SOD solution is obtained;
After testing, the performance parameter of the compound SOD solution of gained is:
Activity substance content: 30%;
Specific activity of enzyme >=70000IU/mg;
pH(10g/L)：5～9；
Density (20 DEG C, g/cm
3):>=1.20;
Heat resisting temperature: 180 DEG C.
The preparation of 1.2 poly-aspartate calcium solutions:
Polysuccinimide is carried out ordinary-temp hydrolysis under water and calcium hydroxide exist, and polysuccinimide and calcium hydroxide mass ratio are 100:35 ~ 100:45, and hydrolysis time 1 ~ 3h obtains the suspension containing calcium polyaspartate; To containing adding formic acid in the suspension of calcium polyaspartate, regulation system pH is 4 ~ 5; Then by add water or the mode of transpiring moisture adjusts system solid masses content to 30%, poly-aspartate calcium solution is obtained;
After testing, the performance parameter of gained poly-aspartate calcium solution is:
Solid masses content: 30%;
pH(10g/L)：5～9；
Density (20 DEG C, g/cm
3):>=1.20.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergist
Compound for 40Kg SOD solution and 5Kg poly-aspartate calcium solution calcium are sent into agitating device stir, obtain calcium strengthening SOD synergist;
B, prepare calcium strengthening SOD urea fertilizer
(1) 1# calcium strengthening SOD urea fertilizer is prepared
Yellow colorants is added in agitating device, the calcium obtained with 40Kg steps A is strengthened SOD synergist and is mixed, after yellow colorants dissolving, stirring, the ratio uniform using measuring pump gained mixed liquor to be pressed 40Kg/ ton urea is sent in the Melting pump suction line of urea production line, then send into granulation tower granulation, in granulation tower, make 1# calcium strengthening SOD urea fertilizer.
(2) 2# calcium strengthening SOD urea fertilizer is prepared
The preparation process that preparation process and 1# calcium strengthen SOD urea fertilizer is substantially identical, and its difference is: the consumption of calcium strengthening SOD synergist is 2Kg/ ton urea.
Carry out performance measurement to gained 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer, and contrast with urea national standard (GB2440-2001), test result is in table 1.
Table 1 calcium strengthening SOD urea fertilizer and common urea national standard contrast
Embodiment 2
The preparation that SOD urea fertilizer is strengthened in the preparation of embodiment 2 Raw, calcium is substantially the same manner as Example 1, and its difference is: the consumption of calcium strengthening SOD synergist is 65Kg/ ton urea.
Embodiment 3
1. the preparation of raw material
The preparation of 1.1 compound SOD solution
With the preparation process of 1.1 compound SOD solution in embodiment 1, difference is: the soluble manganese salt added is manganese sulfate, and the addition of manganese sulfate is that every 100 mass parts poly-aspartate potassium solutions add 2 parts of manganese sulfates; The solid masses content of the compound SOD solution of gained is 45%.
The preparation of 1.2 poly-aspartate calcium solutions:
With the preparation process of 1.2 poly-aspartate calcium solutions in embodiment 1, difference is: regulate pH acid to be nitric acid; The solid masses content of gained poly-aspartate calcium solution is 45%.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergist
Compound for 45Kg SOD solution and 3Kg poly-aspartate calcium solution are sent into agitating device stir, obtain calcium strengthening SOD synergist;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in agitating device, the calcium obtained with 34Kg steps A is strengthened SOD synergist and is mixed, after yellow colorants dissolving, stirring, measuring pump is used press by gained mixed liquor before the ratio uniform feeding urea production line Melting pump of 34Kg/ ton urea in suction line, then enter granulation tower granulation, in granulation tower, make calcium strengthening SOD urea fertilizer.
Embodiment 4
1. the preparation of raw material
The preparation of 1.1 compound SOD solution
With the preparation process of 1.1 compound SOD solution in embodiment 1, difference is: the soluble manganese salt added is manganese nitrate, and the addition of manganese nitrate is that every 100 mass parts poly-aspartate potassium solutions add 0.75 part of manganese nitrate; The solid masses content of the compound SOD solution of gained is 35%.
The preparation of 1.2 Creta Preparata solution
Creta Preparata formic acid calcium, commercially available prod, solid, content 98%.Calcium formate is dissolved in water and becomes the calcium formate suspension that mass concentration is 35%, even nothing precipitates.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergist
The calcium formate suspension being 35% by compound for 50Kg SOD solution and 5Kg mass concentration is sent into agitating device and is stirred, and obtains calcium strengthening SOD synergist;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in agitating device, the calcium obtained with 55Kg steps A is strengthened SOD synergist and is mixed, after yellow colorants dissolving, stirring, measuring pump is used press by above-mentioned solution before the ratio uniform feeding urea production line Melting pump of 55Kg/ ton urea in suction line, then enter granulation tower granulation, in granulation tower, make calcium strengthening SOD urea fertilizer.
Embodiment 5
1. the preparation of raw material
The preparation of 1.1 compound SOD solution
With the preparation process of 1.1 compound SOD solution in embodiment 1, difference is: the soluble manganese salt added is manganese nitrate, and the addition of manganese nitrate is that every 100 mass parts poly-aspartate potassium solutions add 1 part of manganese nitrate; The solids content of the compound SOD solution of gained is 35%.
The preparation of 1.2 Creta Preparata solution
Creta Preparata selects calcium gluconae, commercially available prod, solid, content 99%.Calcium gluconae is dissolved in water and becomes the calcium gluconae suspension that mass concentration is 30%, even nothing precipitates.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergist
The calcium gluconae suspension being 30% by compound for 60Kg SOD solution and 5Kg mass concentration is sent into agitating device and is stirred, and obtains calcium strengthening SOD synergist;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in agitating device, the calcium obtained with 60Kg steps A is strengthened SOD synergist and is mixed, after yellow colorants dissolving, stirring, measuring pump is used press by above-mentioned solution before the ratio uniform feeding urea production line Melting pump of 60Kg/ ton urea in suction line, then enter granulation tower granulation, in granulation tower, make calcium strengthening SOD urea fertilizer.
Calcium strengthening SOD urea fertilizer prepared by Example 2 ~ embodiment 5 carries out performance test, and test result is in table 2.
Table 2 embodiment 2 ~ embodiment 5 calcium strengthening SOD urea fertilizer performance parameter
Embodiment 6
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out topdressing test to winter wheat.
Experimental plot amounts to 10 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer topdress each 2 mu, and common SOD urea topdresses 2 mu, and common urea topdresses 4 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
Test group 1: every mu winter wheat imposes 1# calcium strengthening SOD urea fertilizer 40kg while watering water of turning green, coprocessing 2 mu;
Test group 2: every mu winter wheat imposes 2# calcium strengthening SOD urine element 40kg while watering water of turning green, coprocessing 2 mu;
Control group 1: every mu winter wheat imposes common SOD urea 40kg while watering water of turning green, coprocessing 2 mu;
Control group 2: every mu winter wheat imposes common urea 50kg while watering water of turning green, coprocessing 2 mu;
Control group 3: every mu winter wheat imposes common urea 40kg while watering water of turning green, coprocessing 2 mu.
Result of the test:
By the parameter such as plant height, mu spike number, grain number per spike, mass of 1000 kernel, per mu yield respectively testing group institute yield wheat, result of the test is evaluated.Result of the test is in table 3.
Table 3 calcium strengthening SOD urea fertilizer winter wheat field test results
From data in upper table, test group 1 is compared with control group 3, and plant height increases by 20.00%, and mu spike number increases by 6.70%, and grain number per spike increases by 6.08%, and mass of 1000 kernel increases by 8.62%, actual volume increase 22.94%.Test group 2 is compared with control group 3, and plant height increases by 16.92%, and mu spike number increases by 5.80%, and grain number per spike increases by 4.70%, and mass of 1000 kernel increases by 7.39%, actual volume increase 18.96%.The effect of increasing production of test group 1 and test group 2 all clearly.
Control group 1 is compared with control group 3, and plant height increases by 15.38%, and mu spike number increases by 5.36%, and grain number per spike increases by 3.87%, and mass of 1000 kernel increases by 6.16%, and actual volume increase 16.17%, has obvious gap with the effect of increasing production of this patent product.Control group 2 is compared with control group 3, and plant height increases by 4.62%, and mu spike number increases by 2.01%, and grain number per spike increases by 0.28%, and mass of 1000 kernel increases by 2.96%, actual volume increase 5.31%.
As can be seen here, using of calcium strengthening SOD urea fertilizer effectively improves wheat yield.Although use calcium strengthening SOD urea fertilizer and common SOD urea can increase wheat yield, the rate of growth that the rate of growth using calcium strengthening SOD urea fertilizer comparatively uses common SOD urea improves 2.5% ~ 9%, and effect of increasing production is more remarkable.
In addition, also find in process of the test, compared with the wheat of three groups of control groups, the wheat growing way of test group 1 and test group 2 is good, the incidence of disease is low, the emergence rate of wheat is high, drought resistance and disease resistance strong, good to the absorbing state of trace element, and the quality of wheat products have also been obtained remarkable lifting.
Embodiment 7
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out topdressing test to summer corn (dredging single 20).
Experimental plot amounts to 10 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer topdress each 2 mu, and common SOD urea topdresses 2 mu, and common urea topdresses 4 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
Test group 1: every mu summer corn imposes 1# calcium strengthening SOD urea fertilizer 32kg in the jointing stage, coprocessing 2 mu;
Test group 2: every mu summer corn imposes 2# calcium strengthening SOD urea fertilizer 32kg in the jointing stage, coprocessing 2 mu;
Control group 1: every mu summer corn imposes SOD urea 32kg in the jointing stage, coprocessing 2 mu;
Control group 2: every mu summer corn imposes common urea 40kg in the jointing stage, coprocessing 2 mu;
Control group 3: every mu summer corn imposes common urea 32kg in the jointing stage, coprocessing 2 mu.
Result of the test:
By respectively test group produce corn the parameter such as fruit ear length, grain number per spike, mass of 1000 kernel, per mu yield result of the test is evaluated.Result of the test is in table 4.
Table 4 calcium strengthening SOD urea fertilizer summer corn field test results
From data in upper table, test group 1 is compared with control group 3, and the long increase by 23.29% of fruit ear, grain number per spike increases by 14.01%, and mass of 1000 kernel increases by 7.87%, actual volume increase 18.37%.Test group 2 is compared with control group 3, and the long increase by 15.07% of fruit ear, grain number per spike increases by 9.79%, and mass of 1000 kernel increases by 7.18%, actual volume increase 13.26%.
Control group 1 is compared with control group 3, and the long increase by 13.01% of fruit ear, grain number per spike increases by 8.25%, and mass of 1000 kernel increases by 5.43%, actual volume increase 9.85%.Control group 2 is compared with control group 3, and the long increase by 4.79% of fruit ear, grain number per spike increases by 1.34%, and mass of 1000 kernel increases by 1.30%, actual volume increase 2.56%.
As can be seen here, product calcium strengthening SOD urea fertilizer of the present invention effectively can increase the output of summer corn (dredging single 20).Although use calcium strengthening SOD urea fertilizer and common SOD urea can increase corn yield, the rate of growth that the rate of growth using calcium strengthening SOD urea fertilizer comparatively uses common SOD urea improves 3% ~ 9%, and effect of increasing production is more remarkable.
In addition, also find in process of the test, compared with the summer corn of three control groups, the summer corn plant growing way of test group 1 and test group 2 is good, seedling stage the incidence of disease low, the later stage blade face incidence of disease is low, and its drought resistance, lodging resistance, disease resistance and the absorbent properties to trace element are obtained for and significantly improve, and achieve the increasing of quality and production of summer corn.
Embodiment 8
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out base fertilizer experiment in autumn to imperial crown pears.
Experimental plot amounts to 8 mu, wherein 1# calcium strengthening SOD urea fertilizer and each 2 mu of 2# calcium strengthening SOD urea fertilizer fertilising, and common SOD urea applies fertilizer 2 mu, and common urea applies fertilizer 2 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
1# calcium strengthening SOD urea fertilizer 200kg/ mu+potassium dihydrogen phosphate 100kg/ mu used by test group 1: every mu imperial crown pears after pear tree is gathered, coprocessing 2 mu;
2# calcium strengthening SOD urea fertilizer 200kg/ mu+potassium dihydrogen phosphate 100kg/ mu used by test group 2: every mu imperial crown pears after gathering, coprocessing 2 mu;
Common SOD urea 200kg/ mu+potassium dihydrogen phosphate 100kg/ mu used by control group 1: every mu imperial crown pears after gathering, coprocessing 2 mu;
Control group 2: every mu imperial crown pears adopt after gathering executes common urea 200kg/ mu+potassium dihydrogen phosphate 100kg/ mu, coprocessing 2 mu.
Result of the test:
By parameters such as the soluble solid matter of other per mu yield of more each test group, pear fruit, result of the test is evaluated.Result of the test is in table 5.
Table 5 calcium strengthening SOD urea fertilizer imperial crown pears result of the test
From data in upper table, test group 1 is compared with control group 2, and output increases by 18.81%, and average solid material increases by 11.64%.Test group 2 is compared with control group 2, and output increases by 10.38%, and average solid material increases by 8.31%.Control group 1 is compared with control group 3, and output increases by 8.60%, and average solid material increases by 6.65%.
As can be seen here, the output of calcium strengthening SOD urea fertilizer of the present invention to imperial crown pears improves a lot, and effectively can improve the content of the solid material of imperial crown pears, thus improves the mouthfeel of imperial crown pear fruit.Find in test, the imperial crown pear fruit of test group 1 and test group 2, the degree of its bitter leaves and the imperial crown pear fruit of number ratio control group 2 have and alleviate very greatly, but the effect of control group 1 is slightly poor.Content due to solid material is the important indicator evaluating fruit grade, and the content therefore improving solid material can improve the quality of imperial crown pears largely.Known by above result, the calcium strengthening SOD urea fertilizer that the present invention produces all has significant improvement with the mixed yield and quality to imperial crown pears of potassium dihydrogen phosphate when executing autumn fertilizer.
In addition, quality and the sales situation of the imperial crown pear fruit produced for above-mentioned test group are investigated, and mainly pay close attention to the maximum shank disease of imperial crown pears appearance effects that a situation arises.Described investigation result is in table 6.
Table 6 calcium strengthening SOD urea imperial crown pears result of the test
Remarks: when the pears of the present embodiment test output are sold, the price of excellent imperial crown pears is 3 yuan/500g, and the price of inferior imperial crown pears is 1.1 yuan/500g.
As can be seen from data in upper table, compared with control group 2, the diseased fruit rate of experimental group 1 reduces 74.53%, and sales volume has exceeded 400.5 yuan than the sales volume of control group 2; Compared with control group 2, the diseased fruit rate of experimental group 2 reduces 61.90%, and sales volume has exceeded 309 yuan than the sales volume of control group 2.And using the control group 1 of common SOD urea fertilizer compared with control group 2, diseased fruit rate reduces 28.03%, and its sales volume only exceeds 137.7 yuan than the sales volume of control group 2.
As can be seen here, the use of calcium strengthening SOD urea of the present invention, except improve the output of imperial crown pears, and effectively improve the disease resistance performance of fruit, the incidence of disease of shank disease significantly reduces, and the outward appearance of the operatic circle is good, sale quality is high, for orchard worker brings good economic well-being of workers and staff.
Embodiment 9
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out fertilizer test to spinach.
Experimental plot amounts to 4 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer topdress each 1 mu, and common SOD urea topdresses 1 mu, and common urea topdresses 1 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
Test group 1: every mu spinach bottom application 1# calcium strengthening SOD urea fertilizer 50kg+ potassium sulfate 15kg+ potassium dihydrogen phosphate 10kg, coprocessing 1 mu;
Test group 2: every mu spinach bottom application 2# calcium strengthening SOD urea fertilizer 50kg+ potassium sulfate 15kg+ potassium dihydrogen phosphate 10kg, coprocessing 1 mu;
Control group 1: every mu spinach bottom application common SOD urea 50kg+ potassium sulfate 15kg+ potassium dihydrogen phosphate 10kg, coprocessing 1 mu;
Control group 2: every mu spinach bottom application common urea 50kg+ potassium sulfate 15kg+ potassium dihydrogen phosphate 10kg, coprocessing 1 mu.
Result of the test:
By respectively test group produce spinach the parameter such as output, rate of growth result of the test is evaluated.Result of the test is in table 7.
Table 7 calcium strengthening SOD urea fertilizer spinach field test results
| Test group | Per mu yield (kg) | Rate of growth (%) |
| Test group 1 | 1492.9 | 21.52 |
| Test group 2 | 1398.7 | 13.85 |
| Control group 1 | 1378.7 | 12.23 |
| Control group 2 | 1228.5 | --- |
As seen from the above table, test group 1 is compared with control group 2, and output increases by 21.52%; Test group 2 is compared with control group 2, and output increases by 13.85%.Contrast groups 1 is compared with control group 2, and output increases by 12.23%.As can be seen here, the output of calcium strengthening SOD urea fertilizer of the present invention to spinach improves a lot, and finds in process of the test, and the spinach plant using calcium to strengthen the process of SOD urea fertilizer not easily lodges, disease reduces, and the spinach plant dry substance accumulation of its process is very fast, growing way is good.Therefore, use calcium strengthening SOD urea, the accumulation aspect improving spinach disease resistance and dry is all improved a lot.
Embodiment 10
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out Hua Qianfei test in spring to apple (Fuji's series).
Experimental plot amounts to 10 mu, wherein 1# calcium strengthening SOD urea fertilizer and each 3 mu of 2# calcium strengthening SOD urea fertilizer fertilising, and common SOD urea applies fertilizer 2 mu, and common urea applies fertilizer 2 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
1# calcium strengthening SOD urea fertilizer 120kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by test group 1: every mu apple before blooming after the beginning of spring, coprocessing 3 mu;
2# calcium strengthening SOD urea fertilizer 120kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by test group 2: every mu apple before blooming after the beginning of spring, coprocessing 3 mu;
Common SOD urea 120kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by control group 1: every mu apple before blooming after the beginning of spring, coprocessing 2 mu;
Common urea 120kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by control group 2: every mu apple before blooming after the beginning of spring, coprocessing 2 mu.
Result of the test:
By other per mu yield of more each test group and diseased fruit rate, result of the test is evaluated.Result of the test is in table 8.
Table 8 calcium strengthening SOD urea fertilizer apple (Fuji's series) result of the test
| Test group | Output (kg/ mu) | Sick fruit amount (kg/ mu) | Diseased fruit rate (%) | Sick fruit slip (%) |
| Test group 1 | 2096 | 72 | 3.44 | 74.14 |
| Test group 2 | 1947 | 98 | 5.03 | 62.18 |
| Control group 1 | 1876 | 178 | 9.49 | 28.65 |
| Control group 2 | 1775 | 236 | 13.30 | --- |
From data in upper table, test group 1 is compared with control group 2, and output increases by 18.08%, and sick fruit slip is up to 74.14%.Test group 2 is compared with control group 2, and output increases by 9.69%, and sick fruit slip is up to 62.18%.Control group 1 is compared with control group 2, and output increases by 5.69%, and diseased fruit rate reduces 28.65%.
As can be seen here, calcium strengthening SOD urea fertilizer of the present invention can not only improve the output of Fuji's Series Apples, and effectively can reduce the incidence of disease of the rotten worry of apple, thus improves the quality of apple.Find in test, the Apple of test group 1 and test group 2, the degree of its rotten worry and the fruit of number ratio control group 2 have and alleviate very greatly, but the effect of control group 1 is slightly poor.Therefore can determine, calcium strengthening SOD urea fertilizer of the present invention all has significant improvement with the mixed yield and quality to apple of potassium dihydrogen phosphate when executing Hua Qianfei, obvious to the prevention effect of the rotten worry of apple.
Embodiment 11
The 1# calcium strengthening SOD urea fertilizer using embodiment 1 to prepare and 2# calcium strengthening SOD urea fertilizer carry out Hua Qianfei test in spring to apple (loud, high-pitched sound series).
Experimental plot amounts to 8 mu, wherein 1# calcium strengthening SOD urea fertilizer and each 2 mu of 2# calcium strengthening SOD urea fertilizer fertilising, and common SOD urea applies fertilizer 2 mu, and common urea applies fertilizer 2 mu, and soil base fertilizer sowing management waits other modes identical.
Test process group and concrete processing method:
1# calcium strengthening SOD urea fertilizer 100kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by test group 1: every mu apple before blooming after the beginning of spring, coprocessing 2 mu;
2# calcium strengthening SOD urea fertilizer 100kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by test group 2: every mu apple before blooming after the beginning of spring, coprocessing 2 mu;
Common SOD urea 100kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by control group 1: every mu apple before blooming after the beginning of spring, coprocessing 2 mu;
Common urea 100kg/ mu+potassium dihydrogen phosphate 50kg/ mu used by control group 2: every mu apple before blooming after the beginning of spring, coprocessing 2 mu.
Result of the test:
By other per mu yield of more each test group and diseased fruit rate, result of the test is evaluated.Result of the test is in table 9.
Table 9 calcium strengthening SOD urea fertilizer apple (loud, high-pitched sound series) result of the test
From data in upper table, test group 1 is compared with control group 2, and output increases by 14.98%, and diseased fruit rate reduces by 71.63%, and sick branch rate reduces 66.16%.Test group 2 is compared with control group 2, and output increases by 11.66%, and diseased fruit rate reduces by 50.07%, and sick branch rate reduces 38.40%.Control group 1 is compared with control group 2, and output increases by 6.85%, and diseased fruit rate reduces by 26.24%, and sick branch rate does not reduce.
As can be seen here, the output of calcium strengthening SOD urea fertilizer of the present invention to loud, high-pitched sound Series Apples improves a lot, and can reduce the incidence of applewood pinta, thus improves the quality of fruit.Find in test, the Apple of test group 1 and test group 2 and branch, the degree of its wooden pinta and the fruit of number ratio control group 2 and branch have and alleviate very greatly, but the effect of control group 1 is slightly poor.From above result, the calcium strengthening SOD urea fertilizer that the present invention produces all has significant improvement with the mixed yield and quality to loud, high-pitched sound apple of potassium dihydrogen phosphate when executing Hua Qianfei, and the incidence of disease of applewood pinta obviously reduces.
Claims (9)
1. a calcium strengthening SOD urea fertilizer, is characterized in that: the calcium strengthening SOD synergist comprise the urea of 98 ~ 99 mass parts, being made up of 0.005 ~ 1 mass parts Creta Preparata and the compound SOD of 0.05 ~ 2 mass parts; Described compound SOD is made up of poly-aspartic potassium and poly-aspartate manganese; Described Creta Preparata is any one or a few in calcium polyaspartate, calcium formate, calcium gluconae.
2. calcium strengthening SOD urea fertilizer according to claim 1, is characterized in that: the calcium strengthening SOD synergist comprise the urea of 98 ~ 99 mass parts, being made up of 0.05 ~ 1 mass parts Creta Preparata and the compound SOD of 1.01 ~ 2 mass parts.
3. calcium strengthening SOD urea fertilizer according to claim 1, is characterized in that: the molecular weight of described calcium polyaspartate is 5000 ~ 8000.
4. a preparation method for the calcium strengthening SOD urea fertilizer described in any one of claims 1 to 3, is characterized in that comprising following steps:
A, prepare calcium strengthening SOD synergist
Compound SOD and Creta Preparata all quantitatively mix in the form of a solution, and obtain calcium strengthening SOD synergist, the mass ratio of compound SOD solution and Creta Preparata solution is 8:1 ~ 15:1; The mass concentration of compound SOD solution and Creta Preparata solution is 30% ~ 45%;
B, prepare calcium strengthening SOD urea fertilizer
Calcium strengthening SOD synergist obtained for steps A is mixed with fusing urea, after evaporation prilling, namely obtains calcium strengthening SOD urea fertilizer; The addition of calcium strengthening SOD synergist is 2 ~ 65Kg/ urea per ton.
5. the preparation method of calcium strengthening SOD urea fertilizer according to claim 4, it is characterized in that: in described steps A, the mass ratio of compound SOD solution and Creta Preparata solution is 8:1 ~ 12:1.
6. the preparation method of calcium strengthening SOD urea fertilizer according to claim 5, is characterized in that: in described steps A,
The preparation method of compound SOD solution is: polysuccinimide is hydrolyzed to obtain poly-aspartate potassium solution under water and potassium hydroxide exist; Then in poly-aspartate potassium solution, add acid for adjusting pH to 6.5 ~ 7.0, then add soluble manganese salt wherein, be stirred to dissolving, poly-aspartate potassium solution is 100 parts: 0.75 part ~ 100 parts: 2 parts with the quality proportioning with soluble manganese salt; Finally by add water or transpiring moisture adjustment solids content be 30% ~ 45%, obtain compound SOD solution;
The preparation method of poly-aspartate calcium solution is: polysuccinimide is carried out ordinary-temp hydrolysis under water and calcium hydroxide exist, polysuccinimide and calcium hydroxide mass ratio are 100:35 ~ 100:45, hydrolysis time 1 ~ 3h, obtains the suspension containing calcium polyaspartate; Add acid for adjusting pH to 4 ~ 5 to containing in the suspension of calcium polyaspartate, then by add water or transpiring moisture adjusts its solids content, obtain the calcium polyaspartate that mass content is 30% ~ 45%;
And/or the preparation method of calcium formate solution is: take calcium formate sterling, be dissolved in water into the even suspension that mass content is 30% ~ 45%;
And/or the preparation method of calcium gluconate solution is: take calcium gluconae sterling, be dissolved in water into the even suspension that mass content is 30% ~ 45%.
7. the preparation method of calcium strengthening SOD urea fertilizer according to claim 4, is characterized in that: in described step B, agricultural dyestuff and calcium is strengthened SOD synergist and first mixes, then mix with fusing urea, for distinguishing with common urea; The addition of calcium strengthening SOD synergist is 34 ~ 55Kg/ urea per ton.
8. an application for calcium strengthening SOD urea fertilizer described in any one of claims 1 to 3, is characterized in that: described calcium strengthening SOD urea fertilizer is applied to field crop, fruit tree or vegetables.
9. the application of calcium strengthening SOD urea fertilizer according to claim 8, is characterized in that: described calcium strengthening SOD urea fertilizer is used for the control of fruit tree shank disease, wooden pinta, rotten worry.
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| CN100418930C (en) * | 2006-01-25 | 2008-09-17 | 北京华美天意科技开发有限公司 | SODM urea and its preparing process and application |
| CN102050652B (en) * | 2010-09-01 | 2013-10-16 | 中国石油天然气股份有限公司 | SODM (Superoxide Dismutase Mimics) fruit tree compound special fertilizer |
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Address after: 050099 No. 6, middle Mill Road, circular chemical industry park, Hebei, Shijiazhuang Patentee after: HEBEI XIETONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 050035 No. 55 Kunlun street, hi tech Development Zone, Hebei, Shijiazhuang Patentee before: Shijiazhuang Development Zone Desai Chemical Technology Co., Ltd. |
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Application publication date: 20141119 Assignee: Hebei Xieli Chemical Co.,Ltd. Assignor: HEBEI XIETONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Contract record no.: X2021130000017 Denomination of invention: Calcium enhanced SOD urea fertilizer and its preparation method and Application Granted publication date: 20150325 License type: Common License Record date: 20210914 |