CN104150971A - 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 the necessary nutritive element of plant growth also have the fertilizer of other functions, for example, promote crop to take root, improve resistance or the resistance against diseases etc. of plant.Because multi-Functional Fertilizers has extraordinary effect at aspects such as improving utilization rate of fertilizer, increase crop yield, lifting quality of agricultural product and enhancing farm crop resistance, therefore its market scale constantly expands.
Chinese patent CN100418930C discloses a kind of SOD
murea, comprises that mass content is 0.01～0.1% SOD
m, 99%～99.99% urea, wherein SOD
mfor metalloprotease, in this metalloprotease, metal ion is transition metal ion or alkaline-earth metal ions; Organic ligand is the homology small peptide of synthetic, and this homology small peptide is that L-Aspartic acid, D.L-aspartic acid, Pidolidone or 1B are polymerized separately by amino acid monomer.
SOD
murea, through practical proof, its function is mainly reflected in two aspects: 1. slow-release function: extend the deenergized period of fertilizer, plant absorbed dose increases, improve utilization rate of fertilizer, therefore can reduce total fertilization amount, objectively also reduced the environmental pollution that fertilizer loss causes; 2. degeneration-resistant function: can remove the superoxide radical producing in plant materials in environment stress situation, reduce the destructions such as its cytolemma oxidation, protein denaturation, DNA chain rupture, improve plant stress-resistance ability, reduce low temperature, high salt, arid, topsoil, the harm of intense radiation conditions to farm crop, relatively improve agricultural output.
But along with biological field is to the going deep into of stress resistance of plant study on mechanism, people recognize the limitation of SOD urea aspect 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." Xinyang agricultural higher junior college journal " March the 1st in 2008 interim " Ca
2+with stress resistance of plant research overview " (Xing Yuan), interim " Ca of " subtropical plant science " calendar year 2001 the 4th
2+relation (summary) with fruit tree resistance " interim " Ca in plant materials of (Chen Lisong, Liu Xinghui), " Fujian Agricultural Univeristy's journal " 1997 the 3rd
2+system of couriers and with the relation of resistance " 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 physiology process, the realization of resistance is a complicated systems engineering, need a series of biological process interlock, this process must have a large amount of Ca
2+participation, otherwise its resistance can be subject to very big impact.Ca
2+vital role main body in this respect maintains the stability of cell walls, cytolemma and embrane-associated protein now, and participates in environment-stress reply process etc. as second messenger, is the important control person that plant adjusting ambient is coerced reaction.
Due to Ca
2+be not easy to be absorbed by crop, make amount so the situation of farm crop calcium deficiency at China's most areas ubiquity, even becomes the key factor of restriction agricultural industry volume increase and has influence in some place.In the case, owing to lacking Ca
2+support, SOD urea cannot be brought into play it and improve the effect of crop anti-adversity ability, effect of increasing production has been subject to very large impact.
In addition, in planting fruit trees, some common diseases can badly influence outward appearance and the quality of fruit.For example, common shank disease in the plantation of imperial crown pears, falls ill conventionally during fruit maturation and storing, and sudden strong, pericarp forms brown texture, very large on fruit appearance impact.Rotten worry, claims again mould worry, is one of Major Diseases of current apple cultivation, and Apple from core portion, go rotten to external expansion gradually, finally causes full fruit to rot, come off, and greatly reduces apple production and fruit quality.Wood pinta, claims again cork pinta, cork spot disease, and initial stage main manifestations is that fruit tree annotinous branch xylem feels like jelly, long has brown or a mould layer of black, and later stage main manifestations is that the variable soft rot of fruit, shelf time shorten, 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, can effectively improve the anti-adversity of crop, and fruit diseases is played to good preventive and therapeutic effect.
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 urea that comprises 98～99 mass parts, the calcium strengthening SOD synergistic agent being formed by 0.005～1 mass parts Creta Preparata and the compound SOD of 0.05～2 mass parts; The calcium strengthening SOD synergistic agent that preferably comprises the urea of 98～99 mass parts, formed by 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 aspartic acid manganese; Described Creta Preparata is any one or a few in calcium polyaspartate, calcium formiate, calglucon.
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 synergistic agent
Compound SOD and Creta Preparata all quantitatively mix with solution form, obtain calcium strengthening SOD synergistic agent, and the mass ratio of compound SOD solution and Creta Preparata solution is 8:1～15:1, preferably 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
The calcium strengthening SOD synergistic agent that steps A is made mixes with fusing urea, obtains calcium strengthening SOD urea fertilizer after evaporation prilling; The add-on of calcium strengthening SOD synergistic agent 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 to poly aspartic acid potassium solution under water and potassium hydroxide existence; Then in poly aspartic acid potassium solution, add acid for adjusting pH to 6.5～7.0, then add wherein soluble manganese salt, be stirred to dissolving, poly aspartic acid potassium solution with and the quality proportioning of soluble manganese salt be 100 parts: 0.75 part～100 parts: 2 parts; Finally by add water or transpiring moisture adjust solids content be 30%～45%, obtain compound SOD solution;
The preparation method of poly aspartic acid calcium solution is: polysuccinimide is carried out to ordinary-temp hydrolysis under water and calcium hydroxide existence, polysuccinimide and calcium hydroxide mass ratio are 100:35～100:45, hydrolysis time 1～3h, obtains the suspension liquid that contains calcium polyaspartate; In the suspension liquid that contains calcium polyaspartate, add acid for adjusting pH to 4～5, then by adding water or transpiring moisture is adjusted its solids content, obtain mass content and be 30%～45% calcium polyaspartate;
The preparation method of calcium formate solution and calcium gluconate solution is: take calcium formiate or calglucon sterling, be dissolved in water into mass content and be 30%～45% even suspension liquid;
In described step B, first agricultural dyestuff is mixed with calcium strengthening SOD synergistic agent, 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 the control of fruit tree shank disease, wooden pinta, rotten worry.
Owing to having adopted technique scheme, the obtained technical progress of 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 dual function, and Creta Preparata has courier and nutrition dual function.These two kinds of components are added in urea with suitable proportion, formed that anti-adversity is high, the obvious calcium strengthening of effect of increasing production SOD urea fertilizer.By crop is replenished the calcium, effectively strengthen the impact of calcium strengthening SOD urea fertilizer on crop anti-adversity energy; Under the dual function of compound SOD and Creta Preparata, resistant to lodging, disease-resistant, the pest-resistant performance of crop has all obtained and has significantly improved; This urea fertilizer can make crop obviously increase production, and reduces the amount of application of fertilizer by improving the utilization ratio of 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, can be effectively fruit tree supplementing calcium element the organic content that improves soil, thereby improve disease-resistant performance, the reduction disease sickness rate of fruit tree, especially there is extraordinary prevention effect for the shank disease of imperial crown pears, rotten worry and the fruit tree pinta of apple, can effectively improve the storability of the state of an illness, the integrity that improves fruit and taste, increase fruit and then 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 having with SOD produces synergy, and the anti-adversity ability of crop is significantly improved; Meanwhile, Ca
2+also there is the effect that strengthens root system of plant, raising plant intensity, promotes cell fission growth, raising resistance of aging etc., can obviously improve output and the quality of agricultural-food, increase economic return.
In product urea fertilizer of the present invention, also include poly-aspartic potassium composition, not only can supplement potassium for crop, and can also promote Ca
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 reaction process and reaction parameter, thereby ensure that compound SOD, calcium polyaspartate have best solid content and molecular weight, and then further guarantee the content of effective constituent in prepared calcium strengthening SOD urea fertilizer; Applicable molecular weight is not only 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, has extended the time that urea discharges in soil, the validity period that has extended fertilizer.
The present invention also provides a kind of preparation method of calcium strengthening SOD urea fertilizer, comprises that preparing calcium strengthens SOD synergistic agent, prepares two steps of calcium strengthening SOD urea fertilizer.
In the preparation process of calcium strengthening SOD synergistic agent, compound SOD and Creta Preparata are quantitatively to mix with solution form, and the mass ratio of compound SOD solution and Creta Preparata solution is 8:1～15:1, preferably 8:1～12:1.Use solution form to mix and can further ensure that both mix, in made calcium strengthening SOD urea fertilizer, effective constituent is uniformly distributed.This blending ratio is effectively to improve 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 synergism 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 add-on of calcium strengthening SOD synergistic agent is 2～65Kg/ urea per ton, is preferably 34～55Kg/ urea per ton, and this is the optimum proportion that ensures calcium strengthening SOD urea fertilizer performance.If the usage ratio of calcium strengthening SOD synergistic agent reduces, increase production degeneration-resistant effect and can reduce; If the usage ratio of calcium strengthening SOD synergistic agent is excessive, because the receptivity of crop is limited, can not make crop performance further improve, and cost increase, is unfavorable for applying.
In addition, the preparation method that the present invention adopts calcium strengthening SOD synergistic agent first to mix with agricultural dyestuff, mix with fusing urea, ensureing that each component mixes, in urea fertilizer, active principle content is consistent, and is distinguished, facilitates peasant to use by dyeing and common urea fertilizer.
Embodiment
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 is heated to 200 DEG C～250 DEG C carries out polymerization, and polymerization time is 2.0h～3.0h, and polymerisate is polysuccinimide.L-Aspartic acid is purchased from Yantai Hengyuan Bioengineering Co., Ltd..
Other raw material reagent that use in the following example are common commercially available prod, and chemical pure or technical pure all can.Common SOD Urea Series CN100418930C patented product for contrasting in an embodiment.
A kind of calcium strengthening SOD urea fertilizer, the urea that comprises 98～99 mass parts, the calcium strengthening SOD synergistic agent being formed by 0.005～1 mass parts Creta Preparata and the compound SOD of 0.05～2 mass parts; The calcium strengthening SOD synergistic agent that preferably comprises the urea of 98～99 mass parts, formed by 0.05～1 mass parts Creta Preparata and the compound SOD of 1.01～2 mass parts; The calcium strengthening SOD synergistic agent that most preferably comprises the urea of 98～99 mass parts, formed by 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 aspartic acid manganese, and the mol ratio of poly-aspartic potassium and poly aspartic acid 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 formiate, calglucon, is preferably molecular weight and is 5000～8000 calcium polyaspartate.
The preparation method of calcium strengthening SOD urea fertilizer comprises following steps:
A, prepare calcium strengthening SOD synergistic agent
Compound SOD and Creta Preparata all quantitatively mix with solution form, obtain calcium strengthening SOD synergistic agent; The mass ratio of compound SOD solution and Creta Preparata solution is 8:1～15:1, preferably 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 to poly aspartic acid potassium solution, 50 DEG C～80 DEG C of hydrolysis temperatures, hydrolysis time 1.5h～5.0h under water and potassium hydroxide existence; Then in poly aspartic acid 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 wherein soluble manganese salt, for example manganous sulfate, Manganous chloride tetrahydrate or manganous nitrate, be stirred to dissolving at 50 DEG C～80 DEG C again, poly aspartic acid potassium solution with and the quality proportioning of soluble manganese salt be 100 parts: 0.75 part～100 parts: 2 parts; Finally by add water or transpiring moisture adjust solids content be 30%～45%, obtain compound SOD solution.
The preparation method of poly aspartic acid calcium solution is: polysuccinimide is carried out to ordinary-temp hydrolysis under water and calcium hydroxide existence, polysuccinimide and calcium hydroxide mass ratio are 100:35～100:45, hydrolysis time 1～3h, obtains the suspension liquid that contains calcium polyaspartate; In the suspension liquid that contains calcium polyaspartate, add acid for adjusting pH to 4～5, acid used is any one or a few in formic acid, acetic acid, nitric acid, phosphoric acid; Finally by add water or transpiring moisture adjust solids content be 30%～45%, obtain poly aspartic acid calcium solution.
The preparation method of calcium formate solution and calcium gluconate solution is: take calcium formiate or calglucon sterling, be dissolved in water into mass content and be 30%～45% solution.
B, prepare calcium strengthening SOD urea fertilizer
First the calcium strengthening SOD synergistic agent that agricultural dyestuff is made with steps A mixes, and then mixes with fusing urea, obtains calcium strengthening SOD urea fertilizer after evaporation prilling; The add-on of calcium strengthening SOD synergistic agent 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, and particularly the shank disease to fruit tree, wooden pinta, rotten worry have good prevention effect.
Embodiment 1
1. the preparation of raw material
The preparation of 1.1 compound SOD solution:
Polysuccinimide is hydrolyzed under water and potassium hydroxide existence, 50 DEG C～80 DEG C of hydrolysis temperatures, hydrolysis time 1.5h～5.0h, obtains poly aspartic acid potassium solution; In poly aspartic acid potassium solution, add formic acid, regulation system pH to 6.5～7.0; Then in system, add Manganous chloride tetrahydrate, the add-on of Manganous chloride tetrahydrate is that every 100 mass parts poly aspartic acid potassium solutions add 1 part of Manganous chloride tetrahydrate, is stirred to Manganous chloride tetrahydrate and dissolves completely, and the solvent temperature of Manganous chloride tetrahydrate is controlled at 50 DEG C～80 DEG C; Then by adding water or the mode of transpiring moisture is adjusted system solid masses content to 30%, obtain compound SOD solution;
After testing, the performance perameter 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 aspartic acid calcium solutions:
Polysuccinimide is carried out to ordinary-temp hydrolysis under water and calcium hydroxide existence, and polysuccinimide and calcium hydroxide mass ratio are 100:35～100:45, and hydrolysis time 1～3h obtains the suspension liquid that contains calcium polyaspartate; Be 4～5 to adding formic acid, regulation system pH in the suspension liquid that contains calcium polyaspartate; Then by adding water or the mode of transpiring moisture is adjusted system solid masses content to 30%, obtain poly aspartic acid calcium solution;
After testing, the performance perameter of gained poly aspartic acid 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 synergistic agent
Compound 40Kg SOD solution and 5Kg poly aspartic acid calcium solution calcium are sent into whipping appts and stir, obtain calcium strengthening SOD synergistic agent;
B, prepare calcium strengthening SOD urea fertilizer
(1) prepare 1# calcium strengthening SOD urea fertilizer
Yellow colorants is added in whipping appts, the calcium strengthening SOD synergistic agent making with 40Kg steps A mixes, after yellow colorants dissolves, stirs, use volume pump that gained mixed solution is evenly sent in the ratio of 40Kg/ ton urea in the Melting pump source line of urea production line, then send into prilling tower granulation, in prilling tower, make 1# calcium strengthening SOD urea fertilizer.
(2) prepare 2# calcium strengthening SOD urea fertilizer
The preparation process of preparation process and 1# calcium strengthening SOD urea fertilizer is basic identical, and its difference is: the consumption of calcium strengthening SOD synergistic agent is 2Kg/ ton urea.
Gained 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer are carried out to performance measurement, and contrast with urea national standard (GB2440-2001), test result is in table 1.
Table 1 calcium strengthening SOD urea fertilizer and the contrast of common urea national standard
Embodiment 2
The preparation of the preparation of embodiment 2 Raws, calcium strengthening SOD urea fertilizer is substantially the same manner as Example 1, and its difference is: the consumption of calcium strengthening SOD synergistic agent 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 adding is manganous sulfate, and the add-on of manganous sulfate is that every 100 mass parts poly aspartic acid potassium solutions add 2 parts of manganous sulfates; The solid masses content of the compound SOD solution of gained is 45%.
The preparation of 1.2 poly aspartic acid calcium solutions:
With the preparation process of 1.2 poly aspartic acid calcium solutions in embodiment 1, difference is: regulating pH acid is nitric acid; The solid masses content of gained poly aspartic acid calcium solution is 45%.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergistic agent
Compound 45Kg SOD solution and 3Kg poly aspartic acid calcium solution are sent into whipping appts and stir, obtain calcium strengthening SOD synergistic agent;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in whipping appts, the calcium strengthening SOD synergistic agent making with 34Kg steps A mixes, after yellow colorants dissolves, stirs, use volume pump that gained mixed solution is evenly sent into before urea production line Melting pump in source line in the ratio of 34Kg/ ton urea, then enter prilling tower granulation, in prilling 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 adding is manganous nitrate, and the add-on of manganous nitrate is that every 100 mass parts poly aspartic acid potassium solutions add 0.75 part of manganous 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 formiate is dissolved in water and becomes the calcium formiate suspension liquid that mass concentration is 35%, evenly nothing precipitates.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergistic agent
The calcium formiate suspension liquid that is 35% by compound 50Kg SOD solution and 5Kg mass concentration is sent into whipping appts and is stirred, and obtains calcium strengthening SOD synergistic agent;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in whipping appts, the calcium strengthening SOD synergistic agent making with 55Kg steps A mixes, after yellow colorants dissolves, stirs, use volume pump that above-mentioned solution is evenly sent into before urea production line Melting pump in source line in the ratio of 55Kg/ ton urea, then enter prilling tower granulation, in prilling 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 adding is manganous nitrate, and the add-on of manganous nitrate is that every 100 mass parts poly aspartic acid potassium solutions add 1 part of manganous nitrate; The solids content of the compound SOD solution of gained is 35%.
The preparation of 1.2 Creta Preparata solution
Creta Preparata is selected calglucon, commercially available prod, solid, content 99%.Calglucon is dissolved in water and becomes the calglucon suspension liquid that mass concentration is 30%, evenly nothing precipitates.
2. the preparation of calcium strengthening SOD urea fertilizer
A, prepare calcium strengthening SOD synergistic agent
The calglucon suspension liquid that is 30% by compound 60Kg SOD solution and 5Kg mass concentration is sent into whipping appts and is stirred, and obtains calcium strengthening SOD synergistic agent;
B, prepare calcium strengthening SOD urea fertilizer
Yellow colorants is added in whipping appts, the calcium strengthening SOD synergistic agent making with 60Kg steps A mixes, after yellow colorants dissolves, stirs, use volume pump that above-mentioned solution is evenly sent into before urea production line Melting pump in source line in the ratio of 60Kg/ ton urea, then enter prilling tower granulation, in prilling tower, make calcium strengthening SOD urea fertilizer.
Get the prepared calcium strengthening SOD urea fertilizer of embodiment 2～embodiment 5 and carry out performance test, test result is in table 2.
Table 2 embodiment 2～embodiment 5 calcium strengthening SOD urea fertilizer performance perameters
Embodiment 6
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to 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.
Group and concrete treatment process are processed in test:
Test group 1: every mu of winter wheat imposes 1# calcium strengthening SOD urea fertilizer 40kg, 2 mu of co-processing in watering the water of turning green;
Test group 2: every mu of winter wheat imposes 2# calcium strengthening SOD urine element 40kg, 2 mu of co-processing in watering the water of turning green;
Control group 1: every mu of winter wheat imposes common SOD urea 40kg, 2 mu of co-processing in watering the water of turning green;
Control group 2: every mu of winter wheat imposes common urea 50kg in watering the water of turning green, 2 mu of co-processing;
Control group 3: every mu of winter wheat imposes common urea 40kg in watering the water of turning green, 2 mu of co-processing.
Test-results:
By the parameter such as plant height, mu spike number, grain number per spike, thousand seed weight, per mu yield of respectively testing group institute yield wheat, test-results is evaluated.Test-results 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 thousand seed weight 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 thousand seed weight increases by 7.39%, actual volume increase 18.96%.The effect of increasing production of test group 1 and test group 2 is all very obvious.
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 thousand seed weight 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 thousand seed weight increases by 2.96%, actual volume increase 5.31%.
As can be seen here, calcium is strengthened effective wheat yield that improved of using of SOD urea fertilizer.Can increase wheat yield although use calcium strengthening SOD urea fertilizer and common SOD urea, use calcium and strengthen the stimulation ratio of SOD urea fertilizer and use the stimulation ratio of common SOD urea and improved 2.5%～9%, effect of increasing production is more remarkable.
In addition, in process of the test, also find, compared with the wheat of three groups of control groups, the wheat growing way of test group 1 and test group 2 is good, sickness rate is low, the seedling rate of wheat is high, drought resistance and disease resistance strong, good to micro-absorbing state, the quality of wheat products has also obtained remarkable lifting.
Embodiment 7
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to 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.
Group and concrete treatment process are processed in test:
Test group 1: every mu of summer corn imposes 1# calcium strengthening SOD urea fertilizer 32kg, 2 mu of co-processing in the jointing stage;
Test group 2: every mu of summer corn imposes 2# calcium strengthening SOD urea fertilizer 32kg, 2 mu of co-processing in the jointing stage;
Control group 1: every mu of summer corn imposes SOD urea 32kg in the jointing stage, 2 mu of co-processing;
Control group 2: every mu of summer corn imposes common urea 40kg in the jointing stage, 2 mu of co-processing;
Control group 3: every mu of summer corn imposes common urea 32kg in the jointing stage, 2 mu of co-processing.
Test-results:
By respectively testing the parameters such as the fruit ear length, grain number per spike, thousand seed weight, per mu yield of corn that group is produced, test-results is evaluated.Test-results 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 fruit ear is long increases by 23.29%, and grain number per spike increases by 14.01%, and thousand seed weight increases by 7.87%, actual volume increase 18.37%.Test group 2 is compared with control group 3, and fruit ear is long increases by 15.07%, and grain number per spike increases by 9.79%, and thousand seed weight increases by 7.18%, actual volume increase 13.26%.
Control group 1 is compared with control group 3, and fruit ear is long increases by 13.01%, and grain number per spike increases by 8.25%, and thousand seed weight increases by 5.43%, actual volume increase 9.85%.Control group 2 is compared with control group 3, and fruit ear is long increases by 4.79%, and grain number per spike increases by 1.34%, and thousand seed weight increases by 1.30%, actual volume increase 2.56%.
As can be seen here, product calcium strengthening SOD urea fertilizer of the present invention can effectively increase the output of summer corn (dredging single 20).Can increase corn yield although use calcium strengthening SOD urea fertilizer and common SOD urea, use calcium and strengthen the stimulation ratio of SOD urea fertilizer and use the stimulation ratio of common SOD urea and improved 3%～9%, effect of increasing production is more remarkable.
In addition, in process of the test, also find, 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 sickness rate low, later stage blade face sickness rate is low, and its drought resistance, lodging resistance, disease resistance and micro-absorptive character are all significantly improved, realized the increasing of quality and production of summer corn.
Embodiment 8
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to carry out base fertilizer experiment in autumn to imperial crown pears.
Experimental plot amounts to 8 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer apply fertilizer each 2 mu, 2 mu of common SOD urea fertilisings, and 2 mu of common urea fertilisings, soil base fertilizer sowing management waits other modes identical.
Group and concrete treatment process are processed in test:
Test group 1: every mu of imperial crown pears are used 1# calcium strengthening SOD urea fertilizer 200kg/ mu+potassium primary phosphate 100kg/ mu, 2 mu of co-processing after pear tree is gathered;
Test group 2: every mu of imperial crown pears are used 2# calcium strengthening SOD urea fertilizer 200kg/ mu+potassium primary phosphate 100kg/ mu, 2 mu of co-processing after gathering;
Control group 1: every mu of imperial crown pears are used common SOD urea 200kg/ mu+potassium primary phosphate 100kg/ mu, 2 mu of co-processing after gathering;
Control group 2: every mu of imperial crown pears adopt after gathering executes common urea 200kg/ mu+potassium primary phosphate 100kg/ mu, 2 mu of co-processing.
Test-results:
The parameters such as the soluble solid matter by other per mu yield of more each test group, pear fruit are evaluated test-results.Test-results is in table 5.
Table 5 calcium strengthening SOD urea fertilizer imperial crown pears test-results
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, calcium strengthening SOD urea fertilizer of the present invention improves a lot to the output of imperial crown pears, and can effectively improve the content of the solid material of imperial crown pears, thereby improves the mouthfeel of imperial crown pear fruit.In test, find, the imperial crown pear fruit of test group 1 and test group 2, the degree of its bitter leaves and quantity have very greatly and alleviate than the imperial crown pear fruit of control group 2, but the effect of control group 1 is slightly poor.Because the content of solid material is the important indicator of evaluating fruit grade, the content that therefore improves solid material can improve the quality of imperial crown pears largely.Known by above result, calcium that the present invention produces strengthening SOD urea fertilizer all has significant improvement with the mixed yield and quality to imperial crown pears of potassium primary phosphate when fertile executing the autumn.
In addition, quality and the sales situation of the imperial crown pear fruit producing for above-mentioned test group are investigated, and to the shank disease of imperial crown pears appearance effects maximum, a situation arises in main concern.Described investigation result is in table 6.
Table 6 calcium strengthening SOD urea imperial crown pears test-results
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.
Can be found out by data in upper table, compared with control group 2, the diseased fruit rate of experimental group 1 has reduced by 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 has reduced by 61.90%, and sales volume has exceeded 309 yuan than the sales volume of control group 2.And use the control group 1 of common SOD urea fertilizer compared with control group 2, and diseased fruit rate has reduced by 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 having improved the output of imperial crown pears, and effectively improve the disease resistance performance of fruit, the sickness rate of shank disease significantly reduces, and the outward appearance of the operatic circle is good, it is high to sell quality, for orchard worker brings good economic return.
Embodiment 9
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to carry out manurial experiment 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.
Group and concrete treatment process are processed in test:
Test group 1: every mu of spinach bottom application 1# calcium strengthening SOD urea fertilizer 50kg+ potassium sulfate 15kg+ potassium primary phosphate 10kg, 1 mu of co-processing;
Test group 2: every mu of spinach bottom application 2# calcium strengthening SOD urea fertilizer 50kg+ potassium sulfate 15kg+ potassium primary phosphate 10kg, 1 mu of co-processing;
Control group 1: the every mu of common SOD urea of spinach bottom application 50kg+ potassium sulfate 15kg+ potassium primary phosphate 10kg, 1 mu of co-processing;
Control group 2: every mu of spinach bottom application common urea 50kg+ potassium sulfate 15kg+ potassium primary phosphate 10kg, 1 mu of co-processing.
Test-results:
By the parameter such as output, stimulation ratio of respectively testing spinach that group is produced, test-results is evaluated.Test-results is in table 7.
Table 7 calcium strengthening SOD urea fertilizer spinach field test results
| Test group | Per mu yield (kg) | Stimulation ratio (%) |
| 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%.Comparative group 1 is compared with control group 2, and output increases by 12.23%.As can be seen here, calcium strengthening SOD urea fertilizer of the present invention improves a lot to the output of spinach, and finds in process of the test, uses the difficult lodging of spinach plant, the disease of the processing of calcium strengthening SOD urea fertilizer to reduce, and the spinach plant dry substance accumulation of its processing is very fast, growing way is good.Therefore, use calcium strengthening SOD urea, the accumulation aspect of improving spinach disease resistance and dry-matter is all improved a lot.
Embodiment 10
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to carry out Hua Qianfei test in spring to apple (Fuji's series).
Experimental plot amounts to 10 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer apply fertilizer each 3 mu, 2 mu of common SOD urea fertilisings, and 2 mu of common urea fertilisings, soil base fertilizer sowing management waits other modes identical.
Group and concrete treatment process are processed in test:
Test group 1: every mu of apple is used 1# calcium strengthening SOD urea fertilizer 120kg/ mu+potassium primary phosphate 50kg/ mu, 3 mu of co-processing before blooming after the beginning of spring;
Test group 2: every mu of apple is used 2# calcium strengthening SOD urea fertilizer 120kg/ mu+potassium primary phosphate 50kg/ mu, 3 mu of co-processing before blooming after the beginning of spring;
Control group 1: every mu of apple is used common SOD urea 120kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring;
Control group 2: every mu of apple is used common urea 120kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring.
Test-results:
By other per mu yield of more each test group and diseased fruit rate, test-results is evaluated.Test-results is in table 8.
Table 8 calcium strengthening SOD urea fertilizer apple (Fuji's series) test-results
| Test group | Output (kg/ mu) | Sick fruit amount (kg/ mu) | Diseased fruit rate (%) | Sick fruit decrement (%) |
| 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 decrement is up to 74.14%.Test group 2 is compared with control group 2, and output increases by 9.69%, and sick fruit decrement 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 can effectively reduce the sickness rate of the rotten worry of apple, thereby improves the quality of apple.In test, find, the Apple of test group 1 and test group 2, the degree of its rotten worry and quantity have very greatly and alleviate than the fruit of control group 2, 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 primary phosphate in the time executing Hua Qianfei, obvious to the prevention effect of the rotten worry of apple.
Embodiment 11
Use 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer prepared by embodiment 1 to carry out Hua Qianfei test in spring to apple (loud, high-pitched sound series).
Experimental plot amounts to 8 mu, and wherein 1# calcium strengthening SOD urea fertilizer and 2# calcium strengthening SOD urea fertilizer apply fertilizer each 2 mu, 2 mu of common SOD urea fertilisings, and 2 mu of common urea fertilisings, soil base fertilizer sowing management waits other modes identical.
Group and concrete treatment process are processed in test:
Test group 1: every mu of apple is used 1# calcium strengthening SOD urea fertilizer 100kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring;
Test group 2: every mu of apple is used 2# calcium strengthening SOD urea fertilizer 100kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring;
Control group 1: every mu of apple is used common SOD urea 100kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring;
Control group 2: every mu of apple is used common urea 100kg/ mu+potassium primary phosphate 50kg/ mu, 2 mu of co-processing before blooming after the beginning of spring.
Test-results:
By other per mu yield of more each test group and diseased fruit rate, test-results is evaluated.Test-results is in table 9.
Table 9 calcium strengthening SOD urea fertilizer apple (loud, high-pitched sound series) test-results
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, calcium strengthening SOD urea fertilizer of the present invention improves a lot to the output of loud, high-pitched sound Series Apples, and can reduce the incidence of applewood pinta, thereby improves the quality of fruit.In test, find, Apple and the branch of test group 1 and test group 2, the degree of its wooden pinta and quantity have very greatly and alleviate than the fruit of control group 2 and branch, 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 primary phosphate in the time executing Hua Qianfei, and the sickness rate of applewood pinta obviously reduces.
Claims (10)
1. a calcium strengthening SOD urea fertilizer, is characterized in that: the urea that comprises 98～99 mass parts, the calcium being made up of 0.005～1 mass parts Creta Preparata and the compound SOD of 0.05～2 mass parts strengthening SOD synergistic agent.
2. calcium strengthening SOD urea fertilizer according to claim 1, is characterized in that: the urea that comprises 98～99 mass parts, the calcium being made up of 0.05～1 mass parts Creta Preparata and the compound SOD of 1.01～2 mass parts strengthening SOD synergistic agent.
3. according to the calcium strengthening SOD urea fertilizer described in claim 1 or 2 any one, it is characterized in that: described compound SOD is made up of poly-aspartic potassium and poly aspartic acid manganese; Described Creta Preparata is any one or a few in calcium polyaspartate, calcium formiate, calglucon.
4. calcium strengthening SOD urea fertilizer according to claim 3, is characterized in that: the molecular weight of described calcium polyaspartate is 5000～8000.
5. a preparation method for the strengthening of the calcium described in claim 1～4 any one SOD urea fertilizer, is characterized in that comprising following steps:
A, prepare calcium strengthening SOD synergistic agent
Compound SOD and Creta Preparata all quantitatively mix with solution form, obtain calcium strengthening SOD synergistic agent, and 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
The calcium strengthening SOD synergistic agent that steps A is made mixes with fusing urea, obtains calcium strengthening SOD urea fertilizer after evaporation prilling; The add-on of calcium strengthening SOD synergistic agent is 2～65Kg/ urea per ton.
6. the preparation method of calcium strengthening SOD urea fertilizer according to claim 5, is characterized in that: in described steps A, the mass ratio of compound SOD solution and Creta Preparata solution is 8:1～12:1.
7. the preparation method of calcium strengthening SOD urea fertilizer according to claim 6, is characterized in that: in described steps A,
The preparation method of compound SOD solution is: polysuccinimide is hydrolyzed to obtain to poly aspartic acid potassium solution under water and potassium hydroxide existence; Then in poly aspartic acid potassium solution, add acid for adjusting pH to 6.5～7.0, then add wherein soluble manganese salt, be stirred to dissolving, poly aspartic acid potassium solution with and the quality proportioning of soluble manganese salt be 100 parts: 0.75 part～100 parts: 2 parts; Finally by add water or transpiring moisture adjust solids content be 30%～45%, obtain compound SOD solution;
The preparation method of poly aspartic acid calcium solution is: polysuccinimide is carried out to ordinary-temp hydrolysis under water and calcium hydroxide existence, polysuccinimide and calcium hydroxide mass ratio are 100:35～100:45, hydrolysis time 1～3h, obtains the suspension liquid that contains calcium polyaspartate; In the suspension liquid that contains calcium polyaspartate, add acid for adjusting pH to 4～5, then by adding water or transpiring moisture is adjusted its solids content, obtain mass content and be 30%～45% calcium polyaspartate;
The preparation method of calcium formate solution and calcium gluconate solution is: take calcium formiate or calglucon sterling, be dissolved in water into mass content and be 30%～45% even suspension liquid.
8. the preparation method of calcium strengthening SOD urea fertilizer according to claim 5, is characterized in that: in described step B, first agricultural dyestuff is mixed with calcium strengthening SOD synergistic agent, then mix with fusing urea, for distinguishing with common urea; The add-on of calcium strengthening SOD synergistic agent is 34～55Kg/ urea per ton.
9. an application for calcium strengthening SOD urea fertilizer described in claim 1～4 any one, is characterized in that: described calcium strengthening SOD urea fertilizer is applied to field crop, fruit tree or vegetables.
10. the application of calcium strengthening SOD urea fertilizer according to claim 9, is characterized in that: described calcium strengthening SOD urea fertilizer is for the control of fruit tree shank disease, wooden pinta, rotten worry.
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| CN113816810A (en) * | 2021-10-14 | 2021-12-21 | 河北协同化学有限公司 | Polyaspartic acid liquid water-soluble fertilizer for preventing and treating physiological diseases of northern deciduous fruit trees and preparation method thereof |
| CN113816810B (en) * | 2021-10-14 | 2023-08-11 | 河北协同化学有限公司 | Polyaspartic acid liquid water-soluble fertilizer for preventing and treating physiological diseases of northern deciduous fruit trees and preparation method thereof |
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