CN1453251A - Acid liquid fertilizer for drip irrigation and its prepn - Google Patents
Acid liquid fertilizer for drip irrigation and its prepn Download PDFInfo
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- CN1453251A CN1453251A CN 02117185 CN02117185A CN1453251A CN 1453251 A CN1453251 A CN 1453251A CN 02117185 CN02117185 CN 02117185 CN 02117185 A CN02117185 A CN 02117185A CN 1453251 A CN1453251 A CN 1453251A
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Abstract
The present invention relates to one kind of acid liquid fertilizer for drip irrigation and including nitrogen fertilizer, phosphate fertilizer, potash fertilizer, rooting promoter, dissolution promoter, trace elements and sulfuric acid. It is prepared through the steps of: dissolving phosphate fertilizer, potash fertilizer, trace elements and dissolution promoter in water through stirring, dissolving nitrogen fertilizer, adding sulfuric acid and adding rooting promoter. Its preparation process is scientific, low in power consumption and low in cost and uses simple apparatus. Its dissolution promoter can raise the dissolution degree of routine phosphate fertilizer and its rooting promoter can promote the growth of plant root system and the plant absorption capacity to nutrients. Its acidity can prevent jamming of drip holes.
Description
Invention field
The invention belongs to the liquid fertilizer field, particularly a kind of acid liquid fertilizer for drip irrigation and preparation method thereof.
Background technology
But drip irrigation is the water saving irrigation mode that agricultural goes up widespread usage.Use drip irrigation technique to economize on water and reach 50%, joint fertilizer 30% improves output about 20%, and can reduce labor intensity, and production efficiency increases substantially.Be badly in need of being applicable to the agricultural fertilizer of drip irrigation special use at present.The existing used fertilizer overwhelming majority of agricultural drop irrigation is a solid phase prod, needs during use solid fertilizer to be dissolved application with irrigation water more earlier in fertilizer spreading tank.But conventional phosphate fertilizer is generally poorly soluble, is unsuitable in drip irrigation and uses, and can only apply the farmland as base fertilizer.Now document and patent also have some researchs and report to liquid fertilizer at home.General liquid fertilizer be neutral, though have contain multiple fertilizer nutrient, be the water-soluble better but high phosphate fertilizer of cost substantially; The liquid fertilizer acidity that also has is very weak, is mainly the effect of its composition humic acids.They all are not suitable for for a long time uses in the drip irrigation agricultural.But and there is more highly acid liquid fertilizer especially not appear in the newspapers in the fertilizer of drip irrigation technique at home and abroad with the large-area applications that sulfur process is produced.
Summary of the invention
The objective of the invention is fundamentally to overcome two problems of agricultural drop irrigation technology in application, promptly the used fertilizer of drip irrigation is generally solid, and general elder generation irritates with water droplet through dissolving again, and conventional phosphate fertilizer is generally poorly soluble, and absorption of its plant and utilization ratio are not high; Drip irrigation technique influences the difficult problem of its big area promotion and application effect in use---because of contain in the water quality mineral substance when the life-time service easily deposition cause dripping a hole plug, the water yield and the fertilizer that cause each drip irrigation area to use are seriously uneven, especially directly influence defectives such as output in the arid area, and provide a kind of nutrient complete, balance, absorb and the high novel agricultural acid liquid fertilizer for drip irrigation of utilization ratio;
Another object of the present invention provides a kind of methodological science, and energy consumption is low, and required equipment is simple, and cost is low, the agricultural drop irrigation that is easy to apply in the fertilizer industry preparation method of acid liquid fertilizer.
Embodiment of the present invention are as follows:
Agricultural drop irrigation acid liquid fertilizer provided by the invention, it is characterized in that, comprise inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer, chaotropic agent and water, wherein the weight part proportioning of inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer and water is 10～40: 5～25: 1～10: 40～60; Chaotropic agent is that ethylenediamine tetraacetic acid (EDTA) two is received the mixture of salt and citric acid, and its weight is the 5-10% of inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer and water gross weight; Also can comprise promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and its weight accounts for agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight; Also can comprise trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, and its weight accounts for agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight; Also can further comprise sulfuric acid, its weight accounts for agricultural drop irrigation 2～4% of acid liquid fertilizer gross weight; Described inorganic nitrogenous fertilizer is ammonium sulfate or urea; Described inorganic phosphorus fertilizer is MAP or diammonium phosphate; Described inorganic potash fertilizer is vitriolate of tartar or Repone K.
The agricultural drop irrigation provided by the invention production method of acid liquid fertilizer, its production stage comprises:
1) with inorganic phosphorus fertilizer, inorganic potash fertilizer, chaotropic agent and water, be inorganic phosphorus fertilizer by weight ratio: inorganic potash fertilizer: chaotropic agent: water=5～25: 1～10: 5～10: 40～60 ratio is added to produces in the jar, fully mixes under 60～180 rev/mins stirring velocity; Described inorganic phosphorus fertilizer is MAP or diammonium phosphate; Described inorganic potash fertilizer is vitriolate of tartar or Repone K;
2) after solid material dissolves fully, add the inorganic nitrogenous fertilizer of 10～40 weight parts, be stirred to inorganic nitrogenous fertilizer and dissolve fully; Described inorganic nitrogenous fertilizer is ammonium sulfate or urea;
3) adding weight part while stirring is 2～4 sulfuric acid, just finishes the preparation of agricultural drop irrigation of the present invention with acid liquid fertilizer;
This agricultural drop irrigation production method of acid liquid fertilizer, can be in step 1) and 2) between, increase steps A): add trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, and the micro-weight that is added accounts for this agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight; Steps A) afterwards, also increase step B): after solid material dissolves fully, add promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and the weight of promoter accounts for this agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight; Also can be in step 1) and 2) between, increase step B): after solid material dissolves fully, add promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and the weight of promoter accounts for this agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight; Step B) afterwards, also increase steps A): add trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, and the micro-weight that is added accounts for this agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight.
The present invention has following advantage:
1. balance absorbs and the utilization ratio height this agricultural drop irrigation with the acid liquid fertilizer nutrient is complete:
Except that the NPK nutrient of routine, other contains various trace elements and promoter to this agricultural drop irrigation with acid liquid fertilizer, makes the complete and balance of nutrient, the needs of the crop of guaranteeing supply by rational collocation; Contained promoter can effectively promote the growth of root system of plant, improves the autonomous receptivity of plant to nutrient; And this agricultural drop irrigation acid liquid fertilizer good water solubility, improved the solubleness of phosphate fertilizer especially greatly, plant is improved a lot to the total absorption and the utilization ratio of N, P, K fertilizer, increase the output of farm crop, reduce cost;
2. this agricultural drop irrigation is with low cost with acid liquid fertilizer, and prescription is reasonable:
This agricultural drop irrigation is simple with the production technique of acid liquid fertilizer, and energy consumption is low, and is easy to operate, and production cost is low; Can save fertilising required manpower or machinery expenses in drip irrigation is used greatly, this fertilizer product is with low cost like this, is easy to big area and promotes; And can when producing, adjust prescription at any time according to the soil property and the fertility of different soil in actual use to satisfy actual needs, can avoid unified large chemical fertilizer to use the superfluous or insufficient phenomenon that causes in different areas; Also can in liquid fertilizer, add required nutrition of each kind of plant and growth regulator;
3. this agricultural drop irrigation can effectively be removed with acid liquid fertilizer and drip hole plug:
Because this agricultural drop irrigation has stronger acidity (pH is 1～2) with acid liquid fertilizer, can effectively solve a drip irrigation technique difficult problem of dripping hole plug in use; Drip hole plug and mainly be owing to contain a large amount of mineral substance in the water, cause around the hole because of life-time service is deposited on to drip gradually; When using acidic fertilizier, its acidity can obviously be removed the settling that drips the hole, and it is unimpeded to ensure that it drips; Easy precipitating CO in the water in addition
3 2-Ion is at H
+Effect under, generate H
2O and CO
2, prevent new sedimentary generation; Can thoroughly eliminate the phenomenon of plug-hole like this; So, agricultural drop irrigation provided by the invention acid liquid fertilizer and production method thereof, scientific strong, energy consumption is low, and required equipment is simple, and cost is low, is easy to apply in fertilizer industry; The chaotropic agent that this method is used can improve the solubleness of phosphate fertilizer greatly, increases the kind and the content of fertilizer nutrient; Promoter can effectively promote plant root growth, improves the autonomous receptivity of plant to nutrient; The acidity that acid liquid fertilizer is stronger (pH is 1～2) can thoroughly be eliminated the phenomenon of dripping hole plug in the drip irrigation use.
Description of drawings
Accompanying drawing 1 is the production unit structural representation of agricultural drop irrigation of the present invention with acid liquid fertilizer;
Sulfuric acid storage tank 1 sulphur acid meter measuring tank 2 under meters 3
Pipeline 4 chapelets 5 are produced jar 6
Discharge gate 7
Embodiment
Embodiment 1: agricultural drop irrigation of the present invention is with the influence of acid liquid fertilizer to output of cotton
The structural representation of acid liquid fertilizer for drip irrigation production unit of the present invention is seen Fig. 1, technical process is as follows: inject 23 tons in water by pipeline 4 in producing jar 6 earlier, use chapelet 56 tons of phosphoric acid diamines while stirring, 5 tons of KCl and chaotropic agent add for 3.5 tons to be produced in the jar 6, stirring velocity is 120 rev/mins, fully stir after solid material dissolving, add 13.5 tons in urea again, after treating to dissolve fully, by acid proof pump the sulfuric acid of sulfuric acid storage tank 1 is squeezed into sulphur acid meter measuring tank 2, (calculating its flow by under meter 3) adds 2 tons of sulfuric acid by pipeline again, fully mixing is promptly finished the preparation of the agricultural drop irrigation of present embodiment with acid liquid fertilizer.
Adopt the agricultural drop irrigation of the present embodiment preparation of equal consumption to carry out the output of cotton simultaneous test with acid liquid fertilizer and conventional fertilizer application; Handle 1 and organize in contrast for conventional fertilizer application, conventional fertilizer application mode mu total fertilization amount is 40 kilograms; Handle 2 for using agricultural drop irrigation acid liquid fertilizer of the present invention; All adopt the mode of irritating with water droplet to divide and execute in the cotton field for 6 times, it the results are shown in following table 1;
Table 1:
| The average bell in sub-district is counted 6.67m 2 | Individual plant bell number | Single bell heavily restrains | Clothing skin rate % | Yield per unit of lint kilogram/mu | Stimulation ratio % | |
| Conventional fertilizer application (CK) | ????526 | ??5.76 | ??4.76 | ?36.11 | ????90.5 | |
| Acid liquid fertilizer | ????548 | ??6.022 | ??4.83 | ?36.64 | ????105 | ????16 |
| Differ | ????+22 | ??+0.262 | ??+0.07 | ?+0.53 | ????+14.5 |
As can be seen from Table 1: adopt the cotton of the agricultural drop irrigation of present embodiment with the acid liquid fertilizer processing, individual plant bell number, Dan Lingchong and clothing skin rate increase by 0.262,0.07 gram and 0.53% than 1 than the conventional fertilizer application contrast respectively, thereby yield per unit of lint increases by 14.5 kilograms than conventional contrast, and stimulation ratio reaches 16%.
Embodiment 2: the influence that the drip irrigation acid liquid fertilizer is grown cotton growth when drip irrigation
The agricultural drop irrigation of present embodiment uses the preparation method of acid liquid fertilizer with embodiment 1.Its each composition weight part proportioning is an ammonium sulfate: MAP: K
2SO
4: chaotropic agent: sulfuric acid: water=40: 5: 1: 5: 2: 47;
Adopt the agricultural drop irrigation of the present embodiment preparation of equal consumption to carry out cotton growth growth simultaneous test with acid liquid fertilizer and conventional fertilizer application, it the results are shown in following table 2;
Table 2:
| Handle | Plant height (cm) | Blade | Side four leaves | The number of buddingging | Spend number | The bell number |
| Conventional fertilizer application (CK) | ????61.3 | ???13.1 | ??10.6 | ????9.9 | ????2.4 | ????3.2 |
| Acid liquid fertilizer | ????58.1 | ???12.3 | ??11.3 | ????12.8 | ????2.9 | ????3.9 |
| Differ | ????-3.2 | ???-0.8 | ??+0.7 | ????+2.9 | ????+0.5 | ????+0.7 |
Embodiment 3: agricultural drop irrigation of the present invention is with the influence of acid liquid fertilizer to output of cotton
The agricultural drop irrigation of present embodiment uses the preparation method of acid liquid fertilizer with embodiment 1.Its each composition weight part proportioning is a urea: phosphoric acid diamines: KCl: chaotropic agent: sulfuric acid: water=10: 25: 5: 10: 2: 48.
Adopt the agricultural drop irrigation of the present embodiment preparation of equal consumption to carry out cotton growth growth simultaneous test with acid liquid fertilizer and conventional fertilizer application, it the results are shown in following table 3;
Table 3:
| Handle | Strain number (strain/mu) | Individual plant bell number (individual/strain) | Dan Lingchong (gram) | Lint percentage (%) | Per unit area yield (kg/ mu) | Stimulation ratio (%) |
| Conventional fertilizer application (CK) | ????9400 | ????5.57 | ????5 | ????39 | ????102.1 | |
| Acid liquid fertilizer | ????9600 | ????6.04 | ????5 | ????39 | ????115.2 | ????12.8 |
| Differ | ????+200 | ????+0.47 | ????0 | ????0 | ????+13.1 |
Cotton is used special-purpose fertilizer has as can be seen from Table 3 increased by 200 strains respectively than conventional fertilizer application mu strain number, individual plant bell number, and 0.47, per unit area yield has increased 13.1kg for every mu, and acid liquid fertilizer is than conventional volume increase 12.8%.
Embodiment 4, and trace element is to the influence of plant-growth in the acid liquid fertilizer of the present invention
The Production Flow Chart that contains the acid liquid fertilizer for drip irrigation of trace element is injected water for elder generation in producing jar 6, while stirring with the phosphoric acid diamines of 16 weight parts, the KCl of 6 weight parts, the trace element of the chaotropic agent of 3 weight parts and 2 weight parts adds to be produced in the jar, and stirring velocity is 60 rev/mins, treats to dissolve fully, the ammonium sulfate that adds 25 weight parts again, solid dissolving back adds the sulfuric acid of 2 weight parts, and fully mixing is promptly finished the preparation of the acid liquid fertilizer for drip irrigation of present embodiment.
Present embodiment carries out cotton growth growth simultaneous test to not containing and add trace element in the acid liquid fertilizer of being used.Test-results shows that cotton adopts acid liquid fertilizer to carry out executing with water droplet, and the fertilizer that contains trace element does not promote the cotton root system growth than there being trace element, and lateral root is increased, and cane is sturdy, thereby aerial growth is accelerated; Show as the plant height comparison according to increasing 4.4cm, the comparison of fruit branch platform number is according to increasing by 0.3, and the four blade width ratios contrast of falling increases 0.4cm, and the comparison of the stem number of blade is according to increasing by 0.4, and the leaf color comparison sees table 4 for details according to deepening;
Table 4:
| Different treatment | Plant height (cm) | Fruit platform (individual) | Fall four leaves (cm) | Stem leaf (sheet) | The leaf look |
| Contrast (CK) | ????54.6 | ????10.2 | ????13.1 | ????14.9 | Green |
| Contain trace element liquid fertilizer | ????59 | ????10.5 | ????13.5 | ????15.3 | Dark green |
| Differ | ????+4.4 | ????+0.3 | ????+0.4 | ????+0.4 |
The production process that contains micro-acid liquid fertilizer for drip irrigation is with embodiment 4.Its each composition weight part proportioning is a urea: phosphoric acid diamines: KCl: trace element=35: 16: 4: 0.1.
Present embodiment carries out cotton growth growth simultaneous test to not containing and add trace element in the acid liquid fertilizer of being used.Test-results sees Table 5;
Table 5:
| Handle | Plant height | Blade | Fall four leaves | The number of buddingging | Spend number | The bell number |
| Contrast (CK) | ??54.3 | ??12.1 | ????9.8 | ????10.4 | ??0.9 | ????2.7 |
| Contain micro-liquid fertilizer | ??51.5 | ??11.6 | ????10.9 | ????13.6 | ??1.1 | ????3.2 |
| Differ | ??-2.8 | ??-0.5 | ????+1.1 | ????+3.2 | ??+0.2 | ????+0.5 |
The production process that contains the acid liquid fertilizer for drip irrigation of promoter is injected water for elder generation in producing jar 6, while stirring with the phosphoric acid diamines of 24 weight parts, the vitriolate of tartar of 5 weight parts adds to be produced in the jar, stirring velocity is 180 rev/mins, along with solid dissolves gradually, mend the urea of 20 weight parts then, treat to dissolve fully the sulfuric acid that the back adds 2 weight parts, after adding the promoter mixing of 0.01 weight part at last, promptly finish of the preparation of the agricultural drop irrigation of present embodiment with acid liquid fertilizer.
Present embodiment carries out cotton growth growth simultaneous test to not containing and add promoter in the acid liquid fertilizer of being used; Handle 1 for not containing the acid liquid fertilizer (contrast) of promoter, handle 2 for containing the acid liquid fertilizer of promoter; Get and contain the flower bud phase and have cotton plant 20 strains of complete root, measure the root growth situation, it the results are shown in Table 6;
Table 6:
| Potted plant processing | Stem length (cm) | Lateral root quantity (bar) | Root system fresh weight (gram) |
| Contrast (CK) | ????20 | ????29 | ????10 |
| The acid liquid fertilizer that contains promoter | ????26 | ????35 | ????13.5 |
| Increase than CK | ????30％ | ????20.7％ | ????35％ |
Adopt the acid liquid fertilizer of promoter to irritate the root system of handling cotton with water droplet, the taproot and lateral root prosperity, quantity increases, and compared with the control, the long comparison of main root is according to increasing by 30%, and the comparison of lateral root quantity is according to increasing by 20.7%, and the comparison of root system fresh weight is according to increasing by 35%.
Embodiment 7, and the promoter in the acid liquid fertilizer of the present invention is irritated influence to output of cotton with water droplet:
The production process of acid liquid fertilizer for drip irrigation that contains promoter is with embodiment 6.Its each composition weight part proportioning is an ammonium sulfate: phosphamide: KCl: promoter=22: 10: 8: 0.2.
Present embodiment does not contain and adds promoter in to the mugineic acid liquid fertilizer and investigates influence to output of cotton in the little field of drip irrigation; Handle 1 for not containing the acid liquid fertilizer (contrast) of promoter, handle 2 for containing the acid liquid fertilizer of promoter, test-results shows, the mugineic acid liquid fertilizer carries out with after the water droplet filling processing, wherein promoter can promote the growth of root system, activate the potential nutrient of soil, thereby accelerate the overground part growth, each organ growth is grown mutually coordinate; Show as the comparison of individual plant bell number according to increasing by 0.7, single bell anharmonic ratio contrast increases by 0.2 gram, and the per unit area yield comparison is according to improving 16.5 kilograms, and stimulation ratio 15.3% sees table 7 for details;
Table 7:
| Different treatment | Results strain number (strain/mu) | Individual plant bell number (individual/strain) | Dan Lingchong (gram) | Ginning outturn % | Per unit area yield (kg/ mu) | Stimulation ratio % |
| Contrast (CK) | ????8210 | ????6.8 | ????5.1 | ????38 | ????108.1 | |
| Contain the promoter liquid fertilizer | ????8250 | ????7.5 | ????5.3 | ????38 | ????124.6 | ????15.3 |
| Differ | ????+40 | ????+0.7 | ????+0.2 | ????0 | ????+16.5 |
Embodiment 8, irritate influence to plant-growth with water droplet in the acid liquid fertilizer of the present invention:
The Production Flow Chart that contains the acid liquid fertilizer for drip irrigation of trace element and promoter is injected water for elder generation in producing jar 6, while stirring with following phosphoric acid diamines of expecting 18 weight parts admittedly, the trace element of the KCl of 6 weight parts and 0.1 weight part adds to be produced in the jar, along with stir solids is dissolved gradually, mend the urea of 25 weight parts then, treat to dissolve fully adding sulfuric acid, add the promoter mixing of 0.04 weight part again after, the agricultural drop irrigation of promptly finishing present embodiment is with the preparation of acid liquid fertilizer.
Use the present embodiment agricultural drop irrigation and carry out cotton growth growth contrast experiment with acid liquid fertilizer, adopt fixed point, regularly, decide strain investigation, main investigation cotton growing process, plant height, Guo Tai, blade, the indexs of growing such as four leaves, number of flowers, bell number of falling, its structure sees Table 8;
Table 8:
| Different treatment | Plant height (centimetre) | Blade (sheet) | Fall four leaves | The number of buddingging | Number of flowers | The bell number |
| Conventional fertilizer application (CK) | ????61.3 | ???13.1 | ???10.6 | ??9.9 | ??2.4 | ????3.2 |
| Acid liquid fertilizer | ????58.1 | ???12.3 | ???11.3 | ??12.8 | ??2.9 | ????3.9 |
| Differ | ????-3.2 | ???-0.8 | ???+0.7 | ??+2.9 | ??+0.5 | ????+0.7 |
As can be seen from Table 8, the cotton that conventional fertilizer application is handled increases by 3.2 centimetres than the plant height of the cotton that the acid liquid fertilizer of using present embodiment is handled, blade increases by 0.8, this is because conventional processing is executed than the acid liquid fertilizer of using present embodiment and handled the cause that employed pure N is Duoed, but along with cotton growth is grown constantly quickening, use the cotton of acid liquid fertilizer processing of the present invention because nutrition is complete, the middle and later periods cotton is steadily and surely grown, thereby make side four leaves wide, the number of buddingging, bloom number and bell number have in various degree increase than conventional fertilizer application (contrast) respectively; Experimental result shows, acid liquid fertilizer of the present invention discharges balanced, and N, P, K are harmonious, and nutrition is complete, has early to tie peach, reduces the effect of fruit abscission rate.
Claims (10)
1. agricultural drop irrigation acid liquid fertilizer, it is characterized in that, comprise inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer, chaotropic agent and water, wherein the weight part proportioning of inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer and water is 10～40: 5～25: 1～10: 40～60; Chaotropic agent is that ethylenediamine tetraacetic acid (EDTA) two is received the mixture of salt and citric acid, and its weight is the 5-10% of inorganic nitrogenous fertilizer, inorganic phosphorus fertilizer, inorganic potash fertilizer and water gross weight.
2. by the described agricultural drop irrigation acid liquid fertilizer of claim 1, it is characterized in that, also comprise promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and its weight accounts for agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight.
3. by the described agricultural drop irrigation acid liquid fertilizer of claim 1, it is characterized in that also comprise trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, its weight accounts for agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight.
4. by the described agricultural drop irrigation acid liquid fertilizer of claim 1, it is characterized in that, further comprise sulfuric acid, its weight accounts for agricultural drop irrigation 2～4% of acid liquid fertilizer gross weight.
5. by the described agricultural drop irrigation acid liquid fertilizer of claim 1, it is characterized in that described inorganic nitrogenous fertilizer is ammonium sulfate or urea; Described inorganic phosphorus fertilizer is MAP or diammonium phosphate; Described inorganic potash fertilizer is vitriolate of tartar or Repone K.
6. the described agricultural drop irrigation of claim 1 is characterized in that production stage comprises with the production method of acid liquid fertilizer:
1) with inorganic phosphorus fertilizer, inorganic potash fertilizer, chaotropic agent and water, be inorganic phosphorus fertilizer by weight ratio: inorganic potash fertilizer: chaotropic agent: water=5～25: 1～10: 5～10: 40～60 ratio is added to produces in the jar, fully mixes under 60～180 rev/mins stirring velocity; Described inorganic phosphorus fertilizer is MAP or diammonium phosphate; Described inorganic potash fertilizer is vitriolate of tartar or Repone K;
2) after solid material dissolves fully, add the inorganic nitrogenous fertilizer of 10～40 weight parts, be stirred to inorganic nitrogenous fertilizer and dissolve fully; Described inorganic nitrogenous fertilizer is ammonium sulfate or urea;
3) adding weight part while stirring is 2～4 sulfuric acid, just finishes the preparation of agricultural drop irrigation of the present invention with acid liquid fertilizer.
7. by the production method of the described agricultural drop irrigation of claim 6 with acid liquid fertilizer, it is characterized in that, step 1) and 2) between, increase steps A): add trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, and the micro-weight that is added accounts for this agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight.
8. by the production method of the described agricultural drop irrigation of claim 7 with acid liquid fertilizer, it is characterized in that, steps A) afterwards, also increase step B): after solid material dissolves fully, add promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and the weight of promoter accounts for this agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight.
9. the described agricultural drop irrigation of claim 6 is with the production method of acid liquid fertilizer, it is characterized in that, step 1) and 2) between, also increase step B): after solid material dissolves fully, add promoter, described promoter is the mixture of indolebutyric acid, indolylacetic acid, naphthylacetic acid, six benzyl purines, vitamins B, coenzyme A, and the weight of promoter accounts for this agricultural drop irrigation 0.01～0.2% of acid liquid fertilizer gross weight.
10. the described agricultural drop irrigation of claim 9 is with the production method of acid liquid fertilizer, it is characterized in that, step B) afterwards, also increase steps A): add trace element, described trace element is iron, magnesium, zinc, copper, manganese, molybdenum and boron, and the micro-weight that is added accounts for this agricultural drop irrigation 0.1～2% of acid liquid fertilizer gross weight.
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| CN100430342C (en) * | 2006-01-14 | 2008-11-05 | 杨建国 | Dedicated liquid composite fertilizer for vegetables drop irrigation and preparation method thereof |
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2002
- 2002-04-25 CN CN 02117185 patent/CN1453251A/en active Pending
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| CN1300068C (en) * | 2005-10-11 | 2007-02-14 | 山东省农业科学院土壤肥料研究所 | Whole nutrient solid fertilizer for drip irrigation and its prepn |
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| CN101381253B (en) * | 2008-10-14 | 2010-12-01 | 黄启田 | Method for preparing high-efficiency magnetized liquid composite fertilizer for drip irrigation and liquid composite fertilizer prepared therefrom |
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| CN103553750A (en) * | 2013-11-14 | 2014-02-05 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Corn acidic solid drip irrigation fertilizer and preparation method thereof |
| CN103553750B (en) * | 2013-11-14 | 2015-09-09 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of Corn acidic solid drip irrigation fertilizer and preparation method thereof |
| CN103553752B (en) * | 2013-11-14 | 2015-10-28 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of potato acidic liquid drip irrigation fertilizer and preparation method thereof |
| CN104326792A (en) * | 2014-03-18 | 2015-02-04 | 新疆天业农业高新技术有限公司 | Special liquid organic-inorganic mixed fertilizer for rice under the mulched drip irrigation, and preparation method thereof |
| CN106171413A (en) * | 2016-07-12 | 2016-12-07 | 保山市兴邦农业发展有限公司 | Hylocereus undatus treelet Cultivate administration method |
| CN107231990A (en) * | 2017-04-22 | 2017-10-10 | 枞阳县横山生态农业有限公司 | A kind of tree peony plant division method |
| CN108203361A (en) * | 2018-04-03 | 2018-06-26 | 山西兰花科技创业股份有限公司 | Basic soil dedicated liquid fertilizer |
| CN111233557A (en) * | 2020-04-08 | 2020-06-05 | 烟台增鲜农业科技有限公司 | Water-soluble fertilizer and application method thereof |
| CN111253189A (en) * | 2020-04-08 | 2020-06-09 | 烟台增鲜农业科技有限公司 | Application method of water-soluble fertilizer |
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