CN101781143B - High-nitrogen organic suspension liquid compound fertilizer and preparation method thereof - Google Patents
High-nitrogen organic suspension liquid compound fertilizer and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-nitrogen organic suspension liquid compound fertilizer and a preparation method thereof. The high-nitrogen organic suspension liquid compound fertilizer comprises the following components by weight part: 10-17 parts of suspending agent mother liquid and 90-83 parts of nitrogenous fertilizer, phosphate fertilizer, potassium fertilizer, humic acid and trace elements; the suspending agent mother liquid comprises the following components by weight part: 2-7 parts of hydroxyethylcellulose, 1-5 parts of sodium bentonite and 6-10 parts of water. The fertilizer of the invention has good stability and uniformity and can simultaneously supply macro-elements, trace elements and organic nutrients for crops, so that the crops can absorb the macro-elements and simultaneously supplement the trace elements, and the nutrient utilization ratio is high. Because of the complete solubility and the high nutrient content of the fertilizer, the fertilizer facilitates the use of peasants, and the labor and the fertilizer cost are saved.
Description
Technical field
The invention belongs to field of agricultural production technologies, be specifically related to a large amount of and middle trace element fertilizer that a kind of farm crop are used, organic suspension type liquid composite fertilizer that especially a kind of nitrogen content is higher and preparation method thereof.
Background technology
Increasing peasant is accustomed to fertilizer using after water-soluble in the process of topdressing to crop.Along with the modern facilities Agricultural Development, the applying of pipeline fertilizer practice, drip irrigation and sprinkler irrigation fertilization technology begin to popularize in China, and this The Application of Technology must could realize fertilizer is water-soluble.
Meanwhile, along with the popularization of balance fertilizing and rational application of fertilizers technology, compound manure obtains application more and more widely, but, limited to by technology, the composite fertilizer overwhelming majority that domestic manufacturer produces is a solid form, and existing compound manure all is that particulate state is used to spread fertilizer over the fields.The peasant finds that these fertilizer are insoluble in water when using as water-soluble fertilizer in conjunction with the pipeline fertilizer practice or with it.In the production process of the bigger leaf vegetables of nitrogen requirement, in order to satisfy the nitrogen demand of vegetables, the peasant often enriches nitrogenous fertilizer such as a large amount of urea, carbon ammonium and ammonium nitrate and replenishes the needed nitrogenous source of vegetable growth when using common composite fertilizer, this using method causes irrational fertilizer ratio.Irrational fertilizer ratio can cause nutrient supply unbalance, reduces fertilizer utilization ratio, finally can cause the waste of fertilizer, and influence the normal growth of vegetables.
In granular high-concentration compound fertilizer production technique, owing to need granulation, be difficult to add organic nutrient, so general composite fertilizer the inside all is an inorganic components.In the process of long-term application, can bring certain undesirable action to the physical structure and the chemical property of soil.
Therefore, organic liquid compound manure of high density has great demand.Liquid fertilizer comprises clear liquid type and suspension type.The research of the liquid fertilizer of China is in relatively backward state always, and the compound manure of liquid form is few, though some producer can produce liquid fertilizer, and, all nutrient content is low for these liquid hypertrophys, has also increased transportation cost.
The liquid fertilizer that provides in the market all is monobasic or two element fertilizers, the ternary liquid fertilizer seldom, and contain trace element and organic high nitrogen ternary liquid fertilizer rarer.The high-quality liquid fertilizer that the peasant uses now nearly all is external import, and price is very expensive, has increased production cost.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing liquid fertilizer, provide a kind of homogeneity, stability and suspension good high-nitrogen organic suspension liquid compound fertilizer, contain trace element in nitrogen, phosphorus, potassium, humic acids and the part chelating attitude, can satisfy the crop growth needs, wherein nitrogen content is higher, and the vegetables that are particularly suitable for leaf vegetables are used.
Another object of the present invention provides the preparation method of described high-nitrogen organic suspension liquid compound fertilizer.
Purpose of the present invention is achieved by the following technical programs:
A kind of high-nitrogen organic suspension liquid compound fertilizer is provided, comprises 10～17 parts suspension agent mother liquor and 90～83 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, humic acids and trace element; Described suspension agent mother liquor comprises 2～7 parts Natvosol, 1～5 part sodium bentonite and 6～10 parts water; Described umber is a weight part.
Preferably, described suspension agent liquid composite fertilizer comprise 15 parts suspension agent mother liquor and 85 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer,, humic acids and trace element; Described suspension agent mother liquor comprises 4 parts Natvosol, 3 parts sodium bentonite and 8 parts water; Described umber is a weight part.
The proportioning of described nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, humic acids and trace element can be determined according to the conventional proportioning of using in this area.Humic acids of the present invention derives from alcohol slops.Desirable grain distillery produces the by product waste liquid that does not contain alcohol component that emits in the process of alcohol, obtains humic acids content after concentrating through routine techniques high temperature and reaches 22～25% concentrated solution.
As preferred scheme, suspension type liquid compound fertilizer of the present invention comprises the each component that following weight parts is formed:
Concentrate alcohol slops 25～32 weight parts;
Urea 14～17 weight parts;
Nitro phosphorus ammonium 14～17 weight parts;
Primary ammonium phosphate 1～3 weight part;
Secondary ammonium phosphate 2～6 weight parts;
Repone K 16 weight parts;
Natvosol 2～7 weight parts;
Sodium bentonite 1～5 weight part;
EDTA-Zn 1～3 weight part;
Polymerization Sodium Tetraborate 1～3 weight part;
Water 6～10 weight parts.
As more preferred scheme, suspension type liquid compound fertilizer of the present invention comprises the each component that following weight parts is formed:
Concentrate alcohol slops 28 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 16 weight parts;
Primary ammonium phosphate 2 weight parts;
Secondary ammonium phosphate 5 weight parts;
Repone K 16 weight parts;
Natvosol 4 weight parts;
Sodium bentonite 3 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 1 weight part;
Water 8 weight parts.
The present invention provides the preparation method of described suspension type liquid compound fertilizer simultaneously, may further comprise the steps:
(1) Natvosol is added adding sodium bentonite in dissolving back in the hot water, sodium bentonite dissolving back is stirred and is obtained the suspension agent mother liquor;
(2) will concentrate the suspension agent mother liquor that alcohol slops slowly adds step (1) preparation, fully stir, and allow it form gelatinous premixed liquid;
(3) add nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element successively, every adding is a kind of to add another component after fully stirring evenly again;
(4) all component adds the back stirring and promptly gets described compound manure.
The described hot water temperature of step (1) is 75～85 ℃; Described churning time is 10～15 minutes.
The described churning time of step (2) is 25～35 minutes.
The described churning time of step (3) is 10～15 minutes.
The using method of suspension type liquid compound fertilizer of the present invention is:
The per kilogram suspension type liquid compound fertilizer is converted about 150～160 kilograms of water, drenches in crop root after stirring, and drenches clear water again one time drenched fertilizer when using on vegetables after, and the solution on the blade is washed away.
The invention has the beneficial effects as follows:
The present invention is by selecting good suspension agent, can in the liquid fertilizer of suspension type, add certain organic substance, both increase the organic content in the suspension type liquid fertilizer, by the suitable collocation of organic substance and suspension agent, formed homogeneity and the good suspension type liquid fertilizer of suspension again.
High-nitrogen organic suspension liquid compound fertilizer is to be added with suspension agent and organic high nitrogen fluid composite fertilizer, as a kind of novel efficient compound fertilizer, high-nitrogen organic suspension liquid compound fertilizer has the following advantages: 1, production cost is relatively low, and equipment is simple, less investment; 2, dust can not occur in producing, using, transport, smog pollutes few; 3, product does not exist moisture absorption and agglomeration problems; 4, can with sterilant, sterilant, herbicide mixture, and can mix; 5, can in accumulating, not produce segregation; 6, can foliage-spray, Sui Shuichong executes, also can sprinkling irrigation, drip irrigation or pouring use, easy to use, save time, the saving of labor, produce effects fast; 7, raw material can be selected some raw product, reduces production costs greatly; 8, nutrient content can increase substantially with respect to clear liquid fertilizer; 9, organic matter wherein have improve the soil, the effect of culture fertility and increase crop resistance; 10, the nutrient prescription of high nitrogen-containing can be simplified peasant's fertilising process, improves agricultural production efficiency, or the like.The present invention has further provided each set of dispense ratio, and the preparation high-nitrogen organic suspension liquid compound fertilizer can obtain good stability and homogeneity, and crop absorbs fast, the plant recovery of nutrient height, and can improve the soil and culture fertility.On the basis of suspension agent mother liquor, can prepare compound manure as required, except successfully preparing suspension agent fertilizer and having all advantages of existing suspension agent, the ternary liquid fertilizer that contains trace element and humic acids more is provided, solved the technical barrier that trace element and humic acids and fertilizer are used, for crop provides grow required macroelement, micronutrient and organic matter simultaneously, can solve the nutritional deficiency symptom that process of crop growth occurs, alleviate the Soil degradation problem that the long-term application chemical fertilizer causes, filled up domestic blank.
Production cost of the present invention is low, and equipment is simple, and less investment finally reduces cost for agriculture production.
Embodiment
Further describe the present invention below in conjunction with specific embodiment.
Embodiment 1
Concentrate alcohol slops available from " energy alcohol company limited (Guangdong, Zhanjiang) in the Guangdong ", other grain distillery's analogous products are suitable equally, and humic acids content requirement 22～25% gets final product.Other reagent are common commercial product.
Prepare raw material according to following portions by weight:
Concentrate alcohol slops 28 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 16 weight parts;
Primary ammonium phosphate 2 weight parts;
Secondary ammonium phosphate 5 weight parts;
Repone K 16 weight parts;
Natvosol 4 weight parts;
Sodium bentonite 3 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 1 weight part;
Water 8 weight parts.
Concrete preparation method is:
(1) water is heated to 80 ℃, keeps temperature in 80 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add sodium bentonite then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component be mixed with the suspension agent mother liquor;
(2) slowly add concentrated alcohol slops in the suspension agent mother liquor of step (1) preparation, the limit edged stirs, and adds the back restir 25～35 minutes, makes it form gelatinous premixed liquid;
(3) add urea, nitro phosphorus ammonium, primary ammonium phosphate, Secondary ammonium phosphate, Repone K, polymerization Sodium Tetraborate and EDTA-Zn successively in the premixed liquid of step (2) preparation, every adding is a kind of to add another component after fully stirring evenly again; Add successively according to described order, the nitrogenous fertilizer dissolving is fast, and heat absorption will add earlier, and the potash fertilizer dissolving is slow, add at last, if add dissolving and the stirring that potash fertilizer can influence other fertilizer earlier.
(4) all components add the abundant stirring in back 10～15 minutes.
(5) after the stirring finished product is encapsulated fully.For example can be packaged in the liquid storing bucket of 30L.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2006) to record the comprehensive content's index of fertilizer, be shown in Table 1.
To have a small amount of what long-pending in the bottom when suspension fertilizer storage period was longer, fully shakes up dissolving again before the use; The per kilogram suspension fertilizer is converted about 150 kilograms of water, drenches in crop root after stirring, and drenches clear water again one time drenched fertilizer when using on vegetables after, and the solution on the blade is washed away.
Embodiment 2
Prepare raw material according to following portions by weight:
Concentrate alcohol slops 30 weight parts;
Urea 15 weight parts;
Nitro phosphorus ammonium 15 weight parts;
Primary ammonium phosphate 3 weight parts;
Secondary ammonium phosphate 6 weight parts;
Repone K 14 weight parts;
Natvosol 3 weight parts;
Sodium bentonite 4 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 1 weight part;
Water 8 weight parts.
Concrete preparation method is:
(1) water is heated to 85 ℃, keeps temperature in 85 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add sodium bentonite then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component be mixed with the suspension agent mother liquor;
(2) slowly add alcohol slops in the suspension agent mother liquor of step (1) preparation, the limit edged stirs, and adds the back restir 25～35 minutes, makes it form gelatinous premixed liquid;
(3) add urea, nitro phosphorus ammonium, primary ammonium phosphate, Secondary ammonium phosphate, Repone K, polymerization Sodium Tetraborate and EDTA-Zn successively in the premixed liquid of step (2) preparation, every adding adds the another one component after fully stirring evenly after a kind of again in the reinforced process;
(4) all components add the abundant stirring in back 10～15 minutes.
(5) after the stirring finished product is packaged in the liquid storing bucket of 30L fully.
Using method is with reference to embodiment 1.
Embodiment 3
Prepare raw material according to following portions by weight:
Concentrate alcohol slops 26 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 15 weight parts;
Primary ammonium phosphate 3 weight parts;
Secondary ammonium phosphate 5 weight parts;
Repone K 17 weight parts;
Natvosol 3 weight parts;
Sodium bentonite 3 weight parts;
EDTA-Zn 2 weight parts;
Polymerization Sodium Tetraborate 2 weight parts;
Water 8 weight parts.
Concrete preparation method is:
(1) water is heated to 75 ℃ and begins to add Natvosol and stirring, keep temperature in 75 ℃, the limit adds the Natvosol limit stirs, and makes the Natvosol dissolving; Add sodium bentonite then, stir while adding, added behind two kinds of compositions restir 10～15 minutes, make two kinds of abundant mixings of component be mixed with the suspension agent mother liquor;
(2) slowly add alcohol slops in the suspension agent mother liquor of step (1) preparation, the limit edged stirs, and adds the back restir 25～35 minutes, makes it form gelatinous premixed liquid;
(3) add urea, nitro phosphorus ammonium, primary ammonium phosphate, Secondary ammonium phosphate, Repone K, polymerization Sodium Tetraborate and EDTA-Zn successively in the premixed liquid of step (2) preparation, every adding is a kind of in the reinforced process adds the another one component after fully stirring evenly again;
(4) all components add the abundant stirring in back 10～15 minutes.
(5) after the stirring finished product is packaged in the liquid storing bucket of 30L fully.
Embodiment 4
Alcohol slops 29 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 15 weight parts;
Primary ammonium phosphate 3 weight parts;
Secondary ammonium phosphate 5 weight parts;
Repone K 16 weight parts;
Natvosol 2 weight parts;
Sodium bentonite 4 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 1 weight part;
Water 8 weight parts.
The preparation method is with embodiment 3.
Embodiment 5
Alcohol slops 25 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 17 weight parts;
Primary ammonium phosphate 3 weight parts;
Secondary ammonium phosphate 6 weight parts;
Repone K 15 weight parts;
Natvosol 2 weight parts;
Sodium bentonite 5 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 2 weight parts;
Water 8 weight parts.
The preparation method is with embodiment 3.
Embodiment 6
Alcohol slops 32 weight parts;
Urea 14 weight parts;
Nitro phosphorus ammonium 14 weight parts;
Primary ammonium phosphate 2 weight parts;
Secondary ammonium phosphate 2 weight parts;
Repone K 14 weight parts;
Natvosol 7 weight parts;
Sodium bentonite 1 weight part;
EDTA-Zn 3 weight parts;
Polymerization Sodium Tetraborate 2 weight parts;
Water 10 weight parts.
The preparation method is with embodiment 3.The high-nitrogen organic suspension liquid compound fertilizer outward appearance for preparing is a black liquor, and homogeneity and suspension are good.
The performance test of embodiment 7 high-nitrogen organic suspension liquid compound fertilizers of the present invention
The high-nitrogen organic suspension liquid compound fertilizer that the embodiment of the invention 1～5 prepares with the fertilizer nutrient particle suspension in liquid, thereby form high dispersing, the organic liquid fertilizer of nutrient content height, good fluidity.The content's index that adopts People's Republic of China's agricultural industry criteria (NY1107-2006) to record fertilizer sees Table 1.
Table 1 suspension fertilizer quality index
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Nitrogenous (N) | 246g/L | 236g/L | 240g/L | 238g/L | 256g/L |
| Phosphorous (P 2O 5) | 72g/L | 75g/L | 75g/L | 75g/L | 74g/L |
| Contain potassium (K 2O) | 145g/L | 140g/L | 152g/L | 148g/L | 140g/L |
| Contain trace element | 5g/L | 5g/L | 5g/L | 5g/L | 5g/L |
| Contain humic acids | 100g/L | 110g/L | 90g/L | 100g/L | 90g/L |
| Moisture | 18％ | 19％ | 17％ | 18％ | 17％ |
| Density | 1.35g/cm 3 | 1.32g/cm 3 | 1.33g/cm 3 | 1.32g/cm 3 | 1.34g/cm 3 |
| Outward appearance | Black liquor | Black liquor | Black liquor | Black liquor | Black liquor |
| Homogeneity | Well | Well | Well | Well | Well |
| Suspension | Well | Well | Well | Well | Well |
| Packing | Blue plastic cement | Blue plastic cement | Blue plastic cement bucket | Blue plastic cement bucket | Blue plastic cement bucket |
| Bucket | Bucket | ||||
| Packing specifications | The 30Kg/ bucket | The 30Kg/ bucket | The 30Kg/ bucket | The 30Kg/ bucket | The 30Kg/ bucket |
The application test of embodiment 8 high-nitrogen organic suspension liquid compound fertilizers of the present invention
With the cabbage heart is trial crops, with Norway composite fertilizer 15-15-15 (most of water-soluble) and green emerging liquid fertilizer (production of the green emerging composite fertilizer in Yunfu City, Guangdong Province (Xijiang River) company limited, organic matter: 30%, humic acids: 8%, N+P
2O
5+ K
2O 〉=4%) is contrast product, the fertilizer efficiency contrast of the high-nitrogen organic suspension liquid compound fertilizer for preparing with embodiment 1～5.
Test method:
By waiting consumption principle design pot experiment, every basin is adorned 20 kilograms in soil, the cabbage heart culturing and transplanting seedlings, and 1: 150 times of dilution of rich water part by weight fertilizer is pressed in every basin kind 6 strains, drenches and executes root.The whole growth phase of cabbage heart is roughly 45 days.Fertilising in per 6～7 days once imposes 6 times altogether, promptly imposes high-nitrogen organic suspension liquid compound fertilizer 4g of the present invention at every turn, converts even pouring of water 600g and executes.The usage of Norway composite fertilizer (15-15-15) and green emerging liquid fertilizer is the same.Blank is handled and is not applied fertilizer, and applies the clear water of equivalent at every turn.
Test-results:
What 1) cabbage heart average specific collection period of using high-nitrogen organic suspension liquid compound fertilizer of the present invention was used Norway composite fertilizer and green emerging liquid fertilizer has shifted to an earlier date 3 days respectively and 5 days, and the cabbage heart that blank is handled can not normally be finished whole growing.
2) mean yield of using cabbage heart behind the high-nitrogen organic suspension liquid compound fertilizer of the present invention is than the difference of using Norway composite fertilizer and green emerging liquid fertilizer high 15% and 30%, and the cabbage heart that blank is handled does not have output substantially.
3) use behind the high-nitrogen organic suspension liquid compound fertilizer of the present invention the stem/leaf ratio of cabbage heart and use the light green of Norway composite fertilizer and green emerging liquid fertilizer, by appearance method notable difference as can be seen, especially it is obviously good to use the high-nitrogen organic suspension liquid compound fertilizer cabbage heart growing way that embodiment 1 prepares, and range estimation cauline leaf fertilizer is tender.And the yellow number of sheets of using cabbage heart behind the high-nitrogen organic suspension liquid compound fertilizer of the present invention lacks 10% and 15% respectively than what use Norway composite fertilizer and green emerging liquid fertilizer.
Claims (9)
1. a high-nitrogen organic suspension liquid compound fertilizer is characterized in that comprising 10～17 parts suspension agent mother liquor and 90～83 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, humic acids and trace element; Described suspension agent mother liquor comprises 2～7 parts Natvosol, 1～5 part sodium bentonite and 6～10 parts water; Described umber is a weight part;
Described humic acids derives from concentrated alcohol slops, and described concentrated alcohol slops humic acids content is 22～25%.
2. suspension type liquid compound fertilizer according to claim 1 is characterized in that the each component that comprises that following weight parts is formed:
Concentrate alcohol slops 25～32 weight parts;
Urea 14～17 weight parts;
Nitro phosphorus ammonium 14～17 weight parts;
Primary ammonium phosphate 1～3 weight part;
Secondary ammonium phosphate 2～6 weight parts;
Repone K 14～17 weight parts;
Natvosol 2～7 weight parts;
Sodium bentonite 1～5 weight part;
EDTA-Zn 1～3 weight part;
Polymerization Sodium Tetraborate 1～3 weight part;
Water 6～10 weight parts;
Described concentrated alcohol slops humic acids content is 22～25%.
3. high-nitrogen organic suspension liquid compound fertilizer according to claim 1 is characterized in that bag
Draw together 15 parts suspension agent mother liquor and 85 parts nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, humic acids and trace element; Described suspension agent mother liquor comprises 4 parts Natvosol, 3 parts sodium bentonite and 8 parts water; Described umber is a weight part; Described humic acids derives from concentrated alcohol slops, and described concentrated alcohol slops humic acids content is 22～25%.
4. suspension type liquid compound fertilizer according to claim 3 is characterized in that the each component that comprises that following weight parts is formed:
Concentrate alcohol slops 28 weight parts;
Urea 16 weight parts;
Nitro phosphorus ammonium 16 weight parts;
Primary ammonium phosphate 2 weight parts;
Secondary ammonium phosphate 5 weight parts;
Repone K 16 weight parts;
Natvosol 4 weight parts;
Sodium bentonite 3 weight parts;
EDTA-Zn 1 weight part;
Polymerization Sodium Tetraborate 1 weight part;
Water 8 weight parts;
Described concentrated alcohol slops humic acids content is 22～25%.
5. the preparation method of the described suspension type liquid compound fertilizer of claim 1 is characterized in that may further comprise the steps:
(1) Natvosol is added adding sodium bentonite in dissolving back in the hot water, sodium bentonite dissolving back is stirred and is obtained the suspension agent mother liquor;
(2) again alcohol slops is slowly added the suspension agent mother liquor, fully stir, allow it form gelatinous premixed liquid;
(3) add nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element successively, add the another one component again after fully stirring evenly after every adding is a kind of;
(4) all component adds the back stirring promptly.
6. preparation method according to claim 5 is characterized in that the described hot water temperature of step (1) is 75～85 ℃; Described churning time is 10～15 minutes.
7. preparation method according to claim 5 is characterized in that the described churning time of step (2) is 25～35 minutes.
8. preparation method according to claim 5 is characterized in that the described churning time of step (4) is 10～15 minutes.
9. the application of the described suspension type liquid compound fertilizer of claim 1 is characterized in that the per kilogram suspension type liquid compound fertilizer converts 150～160 kilograms in water, drenches in crop root after stirring.
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