CN104355911A - Compound fertilizer for saline-alkaline lands and preparation method thereof - Google Patents
Compound fertilizer for saline-alkaline lands and preparation method thereof Download PDFInfo
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- CN104355911A CN104355911A CN201410693890.9A CN201410693890A CN104355911A CN 104355911 A CN104355911 A CN 104355911A CN 201410693890 A CN201410693890 A CN 201410693890A CN 104355911 A CN104355911 A CN 104355911A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a compound fertilizer for saline-alkaline lands and a preparation method thereof, and relates to the field of fertilizer preparation. The compound fertilizer comprises the following components in parts by weight: 10-20 parts of urine, 22-40 parts of phosphate fertilizer, 16-30 parts of potash fertilizer, 0.4-1.2 parts of polyglutamic acid, 8-15 parts of humic acid, 1-2 parts of zinc sulfate, 1-2 parts of manganese sulfate, 1-2 parts of borax and 10-22 parts of zeolite powder. The compound fertilizer disclosed by the invention solves problems of an existing fertilizer that yields of crops on saline-alkaline lands cannot be effectively improved and incomes of farmers on crops are poor.
Description
Technical field
The present invention relates to agricultural production, particularly relate to a kind of composite fertilizer for saltings and preparation method thereof.
Background technology
Saline-alkali soil is the general designation of solonchak and alkaline earth and all kinds of salinization, alkali-affected soil.When containing a large amount of processable salinity in soil, and upper soll layer saltiness is called solonchak more than the soil of 0.6%-2%.When upper soll layer saltiness is generally no more than 0.5%, containing a certain amount of soda in the soil solution, the exchangeable sodium of soil colloid accounts for more than 20% of exchangeable cation total amount, and the soil that the pH of soil is more than or equal to 9 is called alkaline earth.Saltings shows as soil the most intuitively and easily hardens, structural difference, and fertilizer conservation, water retention capacity are poor.And crop growth is in salt-affected soil, root water suction is difficult or can not absorb water at all, even draining, thus the physiological drought causing farm crop.In addition, the salt branch of farm crop hyperabsorption causes Ion toxicity in plant materials, produces antagonistic action to the absorption of other ions in farming object simultaneously, cause the accumulation of ion imbalance and respective ion in plant materials, thus it is disorderly to cause Physiology and biochemistry.
The saltings area of China 9,913 ten thousand hectares, majority concentrates on North China, semiarid zone, northeast and riviera, because do not have effective compound manure to may be used for saltings, so in agriculture production, the output of the farm crop in saltings is few, and the income that peasant household obtains is few.
Summary of the invention
The object of the present invention is to provide a kind of composite fertilizer for saltings and preparation method thereof, thus solve the foregoing problems existed in prior art.
To achieve these goals, a kind of composite fertilizer for saltings of the present invention, the technical scheme of employing is as follows:
This composite fertilizer comprises: urea 10-20 weight part, phosphate fertilizer 22-40 weight part, potash fertilizer 16-30 weight part, polyglutamic acid 0.4-1.2 weight part, humic acid 8-15 weight part, zinc sulfate 1-2 weight part, manganous sulfate 1-2 weight part, borax 1-2 weight part and zeolite powder 10-22 weight part.
Preferably, described polyglutamic acid 0.8-1.0 weight part is comprised in described composite fertilizer.
Preferably, described phosphate fertilizer is that monoammonium phosphate is fertile, in described monoammonium phosphate fertilizer N element percentage composition be 10.7% and phosphorus pentoxide content per-cent be 49.3%.
Preferably, described potash fertilizer is potassium sulphate fertilizer, and in described potassium sulphate fertilizer, the percentage composition of potassium oxide is 50%.
Preferably, described composite fertilizer comprises: urea 14.1 weight part, monoammonium phosphate 32.5 weight part, potassium sulfate 20 weight part, polyglutamic acid 0.8 weight part, humic acid 10 weight part, zinc sulfate 1 weight part, manganous sulfate 1 weight part, borax 1 weight part and zeolite powder 19.6 weight part.
Preferably, described composite fertilizer comprises: urea 14.5 weight part, monoammonium phosphate 30.5 weight part, potassium sulfate 26 weight part, polyglutamic acid 1 weight part, humic acid 12 weight part, zinc sulfate 1.5 weight part, manganous sulfate 1.5 weight part, borax 1.5 weight part and zeolite powder 11.5 weight part.
The present invention is a kind of preparation method of the composite fertilizer for saltings, and this preparation method comprises:
S1, raw materials pretreatment
By urea melting in urea melting device, obtain the urea of molten state; After phosphate fertilizer and potash fertilizer are pulverized, cross 80 mesh sieves respectively, obtain the phosphate fertilizer of powder state and the potash fertilizer of powder state;
S2, take raw material, obtain the powder that is mixed
Take the phosphate fertilizer 22-40 weight part of the powder state obtained in step S1 and the potash fertilizer 16-30 weight part of powder state by following weight parts, then take humic acid 8-15 weight part, zinc sulfate 1-2 weight part, manganous sulfate 1-2 weight part, borax 1-2 weight part, zeolite powder 10-22 weight part and polyglutamic acid 0.4-1.2 weight part; Then the above-mentioned raw material taken is added in mixer, above-mentioned raw materials is mixed in rear feeding tablets press, obtain the powder that is mixed;
S3, granulation of fertilizer
After the urea of the molten state obtained in step S1 is taken 10-20 weight part, spray in described tablets press, contact with shape spray with the described powder that is mixed, by described granulator granulation, obtaining raw meal particle size diameter is the granule materials of 1.00mm-4.75mm;
S4, being delivered in drying machine by described granule materials, is dry 20min-25min under the condition of 120 DEG C ~ 130 DEG C in temperature, obtains dry pellet;
S5, the pellet of described drying is delivered in cooler, under temperature is 0 DEG C of-10 DEG C of condition, cooling 15min;
S6, cooled pellet being delivered in sieve apparatus and sieving, then to sieving the pellet inspection obtained, storing the pellet of passed examination.
Preferably, in step S1, the temperature of described urea melting in urea melting device is 115 DEG C ~ 125 DEG C.
Preferably, in step S2, described humic acid, described zinc sulfate, described manganous sulfate, described borax, described zeolite powder and described polyglutamic acid are meal, and all can cross 80 mesh sieves.
Preferably, in step S3, the urea of described molten state sprays into and is controlled by under meter.
The invention has the beneficial effects as follows:
Fertilizer prepared by the present invention is applied in saltings as base fertilizer with every mu of arable land 40kg ~ 50kg, in the output of beet, compared with the existing fertilizer for saltings, can make increasing crop yield 12% ~ 13%.
Accompanying drawing explanation
Fig. 1 is preparation method's schematic diagram of a kind of composite fertilizer for saltings of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1, a kind of composite fertilizer for saltings comprises: urea 14.1 weight part, monoammonium phosphate 32.5 weight part, potassium sulfate 20 weight part, polyglutamic acid 0.8 weight part, humic acid 10 weight part, zinc sulfate 1 weight part, manganous sulfate 1 weight part, borax 1 weight part and zeolite powder 19.6 weight part.
Described monoammonium phosphate is for the monoammonium phosphate fertilizer in agriculture production, in described monoammonium phosphate fertilizer N element percentage composition be 10.7% and phosphorus pentoxide content per-cent be 49.3%.Described potassium sulfate is for the potassium sulphate fertilizer in agriculture production, and in described potassium sulphate fertilizer, the percentage composition of potassium oxide is 50%.Described in the present embodiment, percentage composition is weight percentage.
For the preparation method that the composite fertilizer in saltings comprises described in the present embodiment, be specially:
S1, raw materials pretreatment
By urea melting in urea melting device, obtain the urea of molten state; After monoammonium phosphate and potassium sulfate are pulverized, cross 80 mesh sieves respectively, obtain the monoammonium phosphate of powder state and the potassium sulfate of powder state;
In step S1, the temperature of described urea melting in urea melting device is 115 DEG C ~ 125 DEG C.
S2, take raw material, obtain the powder that is mixed
By following weight parts by monoammonium phosphate 32.5 weight part of powder state that obtains in step S1 and potassium sulfate 20 weight part of powder state, then take humic acid 10 weight part, zinc sulfate 1 weight part, manganous sulfate 1 weight part, borax 1 weight part, zeolite powder 19.6 weight part and polyglutamic acid 0.8 weight part; Then the above-mentioned raw material taken is added in mixer, above-mentioned raw materials is mixed in rear feeding tablets press, obtain the powder that is mixed;
In step S2, described humic acid, described zinc sulfate, described manganous sulfate, described borax, described zeolite powder and described polyglutamic acid are meal, and all can cross 80 mesh sieves;
S3, granulation of fertilizer
After the urea of the molten state obtained in step S1 is taken 10-20 weight part, spray in described tablets press, contact with shape spray with the described powder that is mixed, by described granulator granulation, obtaining raw meal particle size diameter is the granule materials of 2.5mm-3.5mm;
In step S3, the urea of described molten state sprays into and is controlled by under meter;
S4, being delivered in drying machine by described granule materials, is dry 25min under the condition of 125 DEG C in temperature, obtains dry pellet;
S5, the pellet of the drying of acquisition is delivered in cooler, under temperature is 6-8 DEG C of condition, cooling 15min;
S6, cooled pellet is delivered in sieve apparatus and sieves, then send in storehouse to be checked check sieving the pellet obtained, finally the pellet of passed examination is stored in product torage tank.
Potassium sulfate in the present embodiment to have in subacidity and alkali ion in alkaline soil; Sodium carbonate in humic acid and saline-alkali soil forms sodium humate, reduces surface soil alkalinity and promotes plant growth, strengthen saline-alkaline tolerance; Zeolite powder, because having the performances such as adsorptivity, ion exchangeable, catalysis and acidproof heat-proof, has the ability reducing salt affected soil and harden.
Polyglutamic acid is the polyphosphazene polymer L-glutamic acid utilizing biofermentation technique to produce, the activated material of tool obtained after purifying, be applied to fertilizer modification to produce, there is raising fertilizer nutrient utilization, promote that crop is to features such as nutrition absorption, specific as follows: (1) polyglutamic acid molecular chain has a large amount of amino and carboxyl, can complexing anions and canons, improve the effective concentration of nutrient in soil, available nitrogen semi-invariant in soil can be made to improve 30.2%, rapid available phosphorus semi-invariant improves 4.2%, and available potassium semi-invariant improves 7.2%.(2) polyglutamic acid has good biocompatibility as high-grade organic polymer, crop can be accelerated to the absorption of nutrient and running, improve assimilation efficiency, make crop improve 7.54% to nitrogen specific absorption, phosphorus specific absorption improves 4.3%, and potassium absorb rate improves 8.45%.(3) a large amount of wetting ability carboxyls polyglutamic acid molecular chain had effectively can keep the some moisture around that applies fertilizer, build the liquid manure environment that crop rhizosphere is good, thus promote that root system is to the absorption of nutrient, improve nutrientuse efficiency, nitrogen use efficiency on average improves 35.7%, phosphorus utilization on average improves 29.2%, and potassium utilization ratio on average improves 28.9%.(4) improve crop yield, strengthen crop quality and can on average improve crop yield 7-15%, improve fruits and vegetables class crop Vitamin C content, reduce nitrate content.(5) biodegradable, safety, environmental protection can be degraded into single amino acid by Soil Microorganism this season and absorb for crop, noresidue, better complete to environment.
Polyglutamic acid described in the present embodiment has good biocompatibility as polyphosphazene polymer L-glutamic acid, is the surrogate of crop root ionic pump, promotes that crop is to the absorption of nutrient; Excellent water retention property, can build liquid manure environment good around rhizosphere; Stimulate root system development, strengthen crop root and inhale fertile, water-retaining capacity; Complexation of metal ions, improves phosphorus and Ca
2+, Fe
2+deng the activity of medium trace element, promote Crop.Polyglutamic acid is as a kind of macromolecule organic, and long-term application can improve soil micro-territory environment, improves soil permeability.
Fertilizer prepared by the present embodiment is applied in beet saltings as base fertilizer with every mu of arable land 40kg, in the output of beet, compared with the existing fertilizer for beet, and beet production-increasing 12.4%.
Embodiment 2, a kind of composite fertilizer for saltings comprises: urea 14.5 weight part, monoammonium phosphate 30.5 weight part, potassium sulfate 26 weight part, polyglutamic acid 1 weight part, humic acid 12 weight part, zinc sulfate 1.5 weight part, manganous sulfate 1.5 weight part, borax 1.5 weight part and zeolite powder 11.5 weight part.
Be for the difference of preparation method described in the preparation method of the composite fertilizer in saltings and embodiment 1 described in the present embodiment: S4, described granule materials is delivered in drying machine, be dry 20min under the condition of 125 DEG C in temperature, obtain dry pellet; S5, the pellet of the drying of acquisition is delivered in cooler, under temperature is 7-9 DEG C of condition, cooling 15min.
Fertilizer prepared by the present embodiment is applied in corn saltings as base fertilizer with every mu of arable land 40kg, in the output of corn, compared with the existing fertilizer for corn, and corn yield increasing 12.5%.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows:
In the present invention, potassium sulfate to have in subacidity and alkali ion in alkaline soil, and humic acid forms sodium humate with the sodium carbonate in saline-alkali soil, reduces surface soil alkalinity promotion plant growth, enhancing saline-alkaline tolerance; Zeolite powder, because having the performances such as adsorptivity, ion exchangeable, catalysis and acidproof heat-proof, has the ability reducing salt affected soil and harden.Fertilizer prepared by the present invention is applied in saltings as base fertilizer with every mu of arable land 40kg ~ 50kg, output on, compared with the existing fertilizer for saltings, increasing crop yield 12% ~ 13% can be made.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. the composite fertilizer for saltings, it is characterized in that, this composite fertilizer comprises: urea 10-20 weight part, phosphate fertilizer 22-40 weight part, potash fertilizer 16-30 weight part, polyglutamic acid 0.4-1.2 weight part, humic acid 8-15 weight part, zinc sulfate 1-2 weight part, manganous sulfate 1-2 weight part, borax 1-2 weight part and zeolite powder 10-22 weight part.
2. according to claim 1 for the composite fertilizer in saltings, it is characterized in that, in described composite fertilizer, comprise described polyglutamic acid 0.8-1.0 weight part.
3. according to claim 1 for the composite fertilizer in saltings, it is characterized in that, described phosphate fertilizer is that monoammonium phosphate is fertile, in described monoammonium phosphate fertilizer N element percentage composition be 10.7% and phosphorus pentoxide content per-cent be 49.3%.
4. according to claim 1 for the composite fertilizer in saltings, it is characterized in that, described potash fertilizer is potassium sulphate fertilizer, and in described potassium sulphate fertilizer, the percentage composition of potassium oxide is 50%.
5. according to claim 1 for the composite fertilizer in saltings, it is characterized in that, described composite fertilizer comprises: urea 14.1 weight part, monoammonium phosphate 32.5 weight part, potassium sulfate 20 weight part, polyglutamic acid 0.8 weight part, humic acid 10 weight part, zinc sulfate 1 weight part, manganous sulfate 1 weight part, borax 1 weight part and zeolite powder 19.6 weight part.
6. according to claim 1 for the composite fertilizer in saltings, it is characterized in that, described composite fertilizer comprises: urea 14.5 weight part, monoammonium phosphate 30.5 weight part, potassium sulfate 26 weight part, polyglutamic acid 1 weight part, humic acid 12 weight part, zinc sulfate 1.5 weight part, manganous sulfate 1.5 weight part, borax 1.5 weight part and zeolite powder 11.5 weight part.
7. for a preparation method for the composite fertilizer in saltings, it is characterized in that, this preparation method comprises:
S1, raw materials pretreatment
By urea melting in urea melting device, obtain the urea of molten state; After phosphate fertilizer and potash fertilizer are pulverized, cross 80 mesh sieves respectively, obtain the phosphate fertilizer of powder state and the potash fertilizer of powder state;
S2, take raw material, obtain the powder that is mixed
Take the phosphate fertilizer 22-40 weight part of the powder state obtained in step S1 and the potash fertilizer 16-30 weight part of powder state by following weight parts, then take humic acid 8-15 weight part, zinc sulfate 1-2 weight part, manganous sulfate 1-2 weight part, borax 1-2 weight part, zeolite powder 10-22 weight part and polyglutamic acid 0.4-1.2 weight part; Then the above-mentioned raw material taken is added in mixer, above-mentioned raw materials is mixed in rear feeding tablets press, obtain the powder that is mixed;
S3, granulation of fertilizer
After the urea of the molten state obtained in step S1 is taken 10-20 weight part, spray in described tablets press, contact with shape spray with the described powder that is mixed, by described granulator granulation, obtaining raw meal particle size diameter is the granule materials of 1.00mm-4.75mm;
S4, being delivered in drying machine by described granule materials, is dry 20min-25min under the condition of 120 DEG C ~ 130 DEG C in temperature, obtains dry pellet;
S5, the pellet of described drying is delivered in cooler, under temperature is 0 DEG C of-10 DEG C of condition, cooling 15min;
S6, cooled pellet being delivered in sieve apparatus and sieving, then to sieving the pellet inspection obtained, storing the pellet of passed examination.
8. according to claim 7 for the preparation method of the composite fertilizer in saltings, it is characterized in that, in step S1, the temperature of described urea melting in urea melting device is 115 DEG C ~ 125 DEG C.
9. according to claim 7 for the preparation method of the composite fertilizer in saltings, it is characterized in that, in step S2, described humic acid, described zinc sulfate, described manganous sulfate, described borax, described zeolite powder and described polyglutamic acid are meal, and all can cross 80 mesh sieves.
10. according to claim 7 for the preparation method of the composite fertilizer in saltings, it is characterized in that, in step S3, the urea of described molten state sprays into and is controlled by under meter.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876714A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | High-manganese bacterial fertilizer for saline-alkali soil and application thereof in Chinese soapberry planting |
| CN104892307A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | A high-glutamic acid fertilizer for saline-alkali land and applications thereof in plantation of candleberry |
| CN104892306A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | An acidic fertilizer for saline-alkali land and applications thereof in plantation of Zhongtian rose |
| CN106064995A (en) * | 2016-06-07 | 2016-11-02 | 湖北丰益肥业有限公司 | Folium Artemisiae Argyi organic-inorganic compound fertilizer special |
| CN106105464A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of root control salt method using Sunflower Stalk matrix activated carbon filter layer and the application in salt-soda soil Fructus Lycii is planted thereof |
| CN106566560A (en) * | 2016-11-03 | 2017-04-19 | 湖北省中微肥测试有限公司 | Soil conditioner of Xinjiang saline alkali soil and preparation method thereof |
| CN111978121A (en) * | 2020-08-30 | 2020-11-24 | 蓝永康 | Humic acid plant nutrition powder and preparation method thereof |
| CN112174741A (en) * | 2020-10-29 | 2021-01-05 | 辽宁顺屹农业科技有限公司 | Drought-resistant functional fertilizer for saline-alkali soil and preparation method thereof |
| CN114436716A (en) * | 2022-02-24 | 2022-05-06 | 上海市农业科学院 | Facility desert saline-alkali soil improver and preparation method thereof |
| CN114591112A (en) * | 2019-04-28 | 2022-06-07 | 内蒙古佰惠生新农业科技股份有限公司 | Special biological organic fertilizer for beet based on wastes of sugar refinery and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876714A (en) * | 2015-05-19 | 2015-09-02 | 潍坊友容实业有限公司 | High-manganese bacterial fertilizer for saline-alkali soil and application thereof in Chinese soapberry planting |
| CN104892307A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | A high-glutamic acid fertilizer for saline-alkali land and applications thereof in plantation of candleberry |
| CN104892306A (en) * | 2015-05-19 | 2015-09-09 | 潍坊友容实业有限公司 | An acidic fertilizer for saline-alkali land and applications thereof in plantation of Zhongtian rose |
| CN106064995A (en) * | 2016-06-07 | 2016-11-02 | 湖北丰益肥业有限公司 | Folium Artemisiae Argyi organic-inorganic compound fertilizer special |
| CN106105464A (en) * | 2016-06-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of root control salt method using Sunflower Stalk matrix activated carbon filter layer and the application in salt-soda soil Fructus Lycii is planted thereof |
| CN106566560A (en) * | 2016-11-03 | 2017-04-19 | 湖北省中微肥测试有限公司 | Soil conditioner of Xinjiang saline alkali soil and preparation method thereof |
| CN106566560B (en) * | 2016-11-03 | 2019-07-16 | 湖北省中微肥测试有限公司 | The soil conditioner and preparation method thereof of Xinjiang salt affected soil |
| CN114591112A (en) * | 2019-04-28 | 2022-06-07 | 内蒙古佰惠生新农业科技股份有限公司 | Special biological organic fertilizer for beet based on wastes of sugar refinery and preparation method thereof |
| CN111978121A (en) * | 2020-08-30 | 2020-11-24 | 蓝永康 | Humic acid plant nutrition powder and preparation method thereof |
| CN112174741A (en) * | 2020-10-29 | 2021-01-05 | 辽宁顺屹农业科技有限公司 | Drought-resistant functional fertilizer for saline-alkali soil and preparation method thereof |
| CN114436716A (en) * | 2022-02-24 | 2022-05-06 | 上海市农业科学院 | Facility desert saline-alkali soil improver and preparation method thereof |
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