CN106116782B - A kind of broad spectrum type high-efficient selenium-enriched foliage fertilizer and preparation method thereof - Google Patents
A kind of broad spectrum type high-efficient selenium-enriched foliage fertilizer and preparation method thereof Download PDFInfo
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- CN106116782B CN106116782B CN201610463287.0A CN201610463287A CN106116782B CN 106116782 B CN106116782 B CN 106116782B CN 201610463287 A CN201610463287 A CN 201610463287A CN 106116782 B CN106116782 B CN 106116782B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
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- 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
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Abstract
The invention discloses a kind of broad spectrum type high-efficient selenium-enriched foliage fertilizers, include following components raw material: 10-20 parts of sodium selenite, 100-150 parts of alcohol effluent, and 10-20 parts of honey, 100-150 parts of urea, potassium dihydrogen phosphate (KH2PO4) 40-50 parts, 20-25 parts and water 585-720 parts of potassium chloride (KCl)；Preparation method is (1) dissolution；(2) it chelates；(3) honey is added；(4) N, P, K nutrient is added.Organic component and selenium in broad spectrum type high-efficient selenium-enriched foliage fertilizer alcohol effluent of the present invention chelate, and the selenium chelate of formation is easier to be absorbed by plants；Simultaneously using honey as adsorbent and selenium sorbefacient, the absorption rate of selenium is improved.
Description
Technical field
The present invention relates to a kind of foliar fertilizer and preparation method thereof, in particular to a kind of system of broad spectrum type high-efficient selenium-enriched foliage fertilizer
Preparation Method.
Background technique
Selenium is one of nutrient needed by human, and a variety of diseases of body are related to selenium deficiency.There is 72% county in China
City's soil is there are different degrees of selenium deficiency, and Se content has close positive correlation in the Se content of soil and crop.Food is people
The main source of body selenium improves the content of selenium in plant in selenium deficiency area by the biological selenium-enriched reinforcing of plant, is to improve human body
The effective way of selemium nutrition.The method of biological selenium-enriched reinforcing usually has application selenium fertilizer, cultivates the crop varieties etc. of selenium-rich.Apply selenium
The mode of fertilizer has soil to apply, foliage-spray etc..Make the method for crop selenium-rich directly to soil spraying selenium fertilizer, often the utilization rate of selenium is low,
The selenium not being absorbed and used is wandered among soil, there is the risk of pollution environment；Foliage-spray selenium fertilizer, improves the utilization of selenium
Rate, but the problems such as organic selenium content is low in crop is usually caused again.
The selenium of absorption of human body is based on organic selenium, and inorganic selenium is to the toxic effect of human body.Research is thought, to organic in plant
The transport of selenium compares the transport selenium that is fast, and absorbing from plant root of inorganic selenium, most of to be also quickly converted to organic selenium shape
State is transported in plant body, and inorganic selenium is not clear in the intracorporal transportational process of plant.Growing environment, cultivating procedure, fertilizer class
Type etc. all influences the ratio of the total selenium of organic selenium Zhan added up in plant.Current selenium-enriched foliage fertilizer is in the majority with inorganic selenium, it makes
It is relatively high with often accounting for the inorganic selenium accumulated in plant, and inappropriate use is it is also possible to cause inorganic selenium fertilizer in plant
It is excessively remained on blade face or fruit, so that generating potential hazard to human health.It is generally believed that organic Se-rich foliar fertilizer
Effect wants relatively good, and there are mainly two types of the production methods of organic Se-rich foliar fertilizer: first is that being chelated with inorganic selenium and organic matter；
Second is that inorganic selenium or the organic materials of selenium-rich and organic materials ferment, collects the fermentation liquid that fermentation generates and obtain.But these approach
Obtained selenium-enriched fertilizer is because the material of selection is different, and specific implementation method is different, and effect is also different, have in use specificity and
Point of wide spectrum row.
It is improved in plant in the method for Se content using foliar fertilizer is sprayed, is usually carried out in the vigorous period of plant growth
It sprays.In previous many measures, only focus on the supplement and absorption of selenium, the balanced supplement without paying attention to fertilizer.And it is existing
The problems such as organic foliar fertilizer of technology is because of formula, dosage and usage mode causes crop to have on blade or fruit when absorbing
Residual causes people directly edible rear harmful.Many selenium-enriched foliage fertilizers or specificity in the market, the product of these specificities,
When using non-designated crop, utilization rate may it is lower, to yield or quality have negative effect.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The present invention in view of the above technical problems, invents a kind of broad spectrum type high-efficient selenium-enriched foliage fertilizer, it is intended to realize and improve plant
The absorptivity of selenium fertilizer improves the sequestration efficiency of inorganic selenium and chelate, reduces the content of inorganic selenium in foliar fertilizer, to reduce because applying
Caused by foliar fertilizer on crop leaf or fruit remaining risk.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of broad spectrum type high-efficient selenium-enriched foliage fertilizer, compares according to parts by weight, includes following components raw material: sodium selenite 10-
20 parts, 100-150 parts of alcohol effluent, 10-20 parts of honey, 100-150 parts of urea, potassium dihydrogen phosphate (KH2PO4) 40-50 parts, chlorine
20-25 parts and water 585-720 parts of change potassium (KCl).
Wherein, the alcohol effluent is the waste liquid caused by during cane molasses or cassava production alcohol, through evaporating
It is concentrated and obtains, brix >=50 ° Bx.
A kind of preparation method of broad spectrum type high-efficient selenium-enriched foliage fertilizer includes following operating procedure:
(1) it dissolves: each component raw material more required than weighing according to parts by weight: 10-20 parts of sodium selenite, alcohol effluent
100-150 parts, 10-20 parts of honey, 100-150 parts of urea, potassium dihydrogen phosphate (KH2PO4) 40-50 parts, potassium chloride (KCl) 20-25
Part and water 585-720 parts, sodium selenite, urea, potassium dihydrogen phosphate, potassium chloride, honey are dissolved in the water respectively, respectively obtained
Sodium selenite solution, urea liquid, potassium dihydrogen phosphate, Klorvess Liquid and honey solution, then by urea liquid, phosphoric acid
Dihydro potassium solution and Klorvess Liquid mixing, obtain three's mixed solution；
(2) it chelates: gained sodium selenite solution in step (1) being slowly added into step (1) and is weighed in gained alcohol effluent,
It is stirring while adding, it is shaken after stirring；
(3) honey is added: honey solution obtained by step (1) being slowly added into after step (2) shake in acquired solution, Bian Jia
Side concussion, shakes up after adding；
(4) N, P, K nutrient is added: gained three's mixed solution in step (1) being slowly added into molten obtained by step (3)
In liquid, the concussion of side edged, after addition completely, it is 1000 parts that remaining water to total solution weight, which is added, is shaken up to get broad spectrum type height
Imitate selenium-enriched foliage fertilizer.
Preferably, sodium selenite is dissolved in 50 parts of water in step (1), and urea is dissolved in 180 parts of water, and potassium dihydrogen phosphate is molten
In 180 parts of water, potassium chloride is dissolved in 80 parts of water, and honey is dissolved in 20 parts of water.
Preferably, it is 5 hours that the condition shaken in step (2), which is the concussion time, oscillation frequency 100r/min, temperature
It is 30 DEG C.
The present invention prepares the application method of gained broad spectrum type high-efficient selenium-enriched foliage fertilizer: shaking up before each use, takes preparation institute
After obtaining 300-500 times of foliar fertilizer dilution, is used by the way of spraying, be uniformly sprayed on the leaf surfaces of crop.
It wherein, the use of the time is to harvest preceding at least one moon in plant growth animated period or crop.
Compared with prior art, the invention has the following beneficial effects:
(1) organic component in broad spectrum type high-efficient selenium-enriched foliage fertilizer alcohol effluent of the present invention and selenium chelate, the selenium of formation
Chelate is easier to be absorbed by plants；Simultaneously using honey as adsorbent and selenium sorbefacient, being absorbed and utilized for selenium is improved
Rate；
(2) broad spectrum type high-efficient selenium-enriched foliage fertilizer of the present invention chelates selenium and organic substance, conducive to selenium absorption while,
Conducive to selenium in the intracorporal conversion of plant, the security risk of selenium-enriched food is reduced；While improving foliar fertilizer utilization rate, selenium is reduced
Residual in the environment reduces Ecological Environment Risk；
(3) alcohol effluent is the waste liquid generated during producing alcohol, and pH value is lower, and the past is generally directly discharged to ring
In border, long-term in this way, especially soil and water body cause serious influence to ecological environment, the present invention utilizes alcohol effluent
In the abundant nutrient that contains, provide one of effective way to the comprehensive utilization of alcohol effluent.
Specific embodiment
It is described in detail With reference to embodiment, it is to be understood that protection scope of the present invention is not by specific
The limitation of embodiment.Sodium selenite, alcohol effluent, honey, urea, potassium dihydrogen phosphate, the chlorine used in the embodiment of the present invention
Changing potassium is all commercially available gained, and water is deionized water.
Embodiment 1
A kind of preparation method of broad spectrum type high-efficient selenium-enriched foliage fertilizer, operating procedure are as follows:
(1) it dissolves: each component raw material more required than weighing according to parts by weight: sodium selenite 20g, alcohol effluent 150g,
Honey 20g, urea 150g, potassium dihydrogen phosphate (KH2PO4) 50g, potassium chloride (KCl) 25g and water 585g, respectively by sodium selenite,
Urea, potassium dihydrogen phosphate, potassium chloride, honey are dissolved in the water, and respectively obtain sodium selenite solution, urea liquid, biphosphate
Potassium solution, Klorvess Liquid and honey solution, i.e. sodium selenite are dissolved in 50g water, and urea is dissolved in 180g water, potassium dihydrogen phosphate
It is dissolved in 180g water, potassium chloride is dissolved in 80g water, and honey is dissolved in 20g water, then that urea liquid, potassium dihydrogen phosphate is molten
Liquid and Klorvess Liquid mixing, obtain three's mixed solution；Wherein, alcohol effluent is produced by during cassava production alcohol
Waste liquid, obtained through evaporation and concentration, brix >=50 ° Bx；
(2) it chelates: gained sodium selenite solution in step (1) being slowly added into step (1) and is weighed in gained alcohol effluent,
It is stirring while adding, it is shaken after stirring, the concussion time is 5 hours, oscillation frequency 100r/min, and temperature is 30 DEG C；
(3) honey is added: honey solution obtained by step (1) being slowly added into after step (2) shake in acquired solution, Bian Jia
Side concussion, shakes up after adding；
(4) N, P, K nutrient is added: gained three's mixed solution in step (1) being slowly added into molten obtained by step (3)
In liquid, the concussion of side edged, after addition completely, it is 1000g that remaining water to total solution weight, which is added, is shaken up to get broad spectrum type height
Imitate selenium-enriched foliage fertilizer.
The application method of broad spectrum type high-efficient selenium-enriched foliage fertilizer obtained by above-mentioned preparation: shaking up before use, takes preparation gained blade face
After 300-500 times of fertilizer dilution, is used by the way of spraying, be uniformly sprayed on the leaf surfaces of crop；It the use of the time is to make
Object grows animated period or crop harvests preceding at least one moon.
Embodiment 2
A kind of preparation method of broad spectrum type high-efficient selenium-enriched foliage fertilizer, operating procedure are as follows:
(1) it dissolves: each component raw material more required than weighing according to parts by weight: sodium selenite 10g, alcohol effluent 100g,
Honey 10g, urea 100g, potassium dihydrogen phosphate (KH2PO4) 40g, potassium chloride (KCl) 20g and water 720g, respectively by sodium selenite,
Urea, potassium dihydrogen phosphate, potassium chloride, honey are dissolved in the water, and respectively obtain sodium selenite solution, urea liquid, biphosphate
Potassium solution, Klorvess Liquid and honey solution, i.e. sodium selenite are dissolved in 50g water, and urea is dissolved in 180g water, potassium dihydrogen phosphate
It is dissolved in 180g water, potassium chloride is dissolved in 80g water, and honey is dissolved in 20g water, then that urea liquid, potassium dihydrogen phosphate is molten
Liquid and Klorvess Liquid mixing, obtain three's mixed solution；Wherein, alcohol effluent is by being produced during cane molasses production alcohol
Raw waste liquid is obtained through evaporation and concentration, brix >=50 ° Bx；
(2) it chelates: gained sodium selenite solution in step (1) being slowly added into step (1) and is weighed in gained alcohol effluent,
It is stirring while adding, it is shaken after stirring, the concussion time is 5 hours, oscillation frequency 100r/min, and temperature is 30 DEG C；
(3) honey is added: honey solution obtained by step (1) being slowly added into after step (2) shake in acquired solution, Bian Jia
Side concussion, shakes up after adding；
(4) N, P, K nutrient is added: gained three's mixed solution in step (1) being slowly added into molten obtained by step (3)
In liquid, the concussion of side edged, after addition completely, it is 1000g that remaining water to total solution weight, which is added, is shaken up to get broad spectrum type height
Imitate selenium-enriched foliage fertilizer.
The application method of broad spectrum type high-efficient selenium-enriched foliage fertilizer obtained by above-mentioned preparation: shaking up before use, takes preparation gained blade face
After 300-500 times of fertilizer dilution, is used by the way of spraying, be uniformly sprayed on the leaf surfaces of crop；It the use of the time is to make
Object grows animated period or crop harvests preceding at least one moon.
Embodiment 3
A kind of preparation method of broad spectrum type high-efficient selenium-enriched foliage fertilizer, operating procedure are as follows:
(1) it dissolves: each component raw material more required than weighing according to parts by weight: sodium selenite 15g, alcohol effluent 125g,
Honey 15g, urea 125g, potassium dihydrogen phosphate (KH2PO4) 45g, potassium chloride (KCl) 22g and water 653g, respectively by sodium selenite,
Urea, potassium dihydrogen phosphate, potassium chloride, honey are dissolved in the water, and respectively obtain sodium selenite solution, urea liquid, biphosphate
Potassium solution, Klorvess Liquid and honey solution, i.e. sodium selenite are dissolved in 50g water, and urea is dissolved in 180g water, potassium dihydrogen phosphate
It is dissolved in 180g water, potassium chloride is dissolved in 80g water, and honey is dissolved in 20g water, then that urea liquid, potassium dihydrogen phosphate is molten
Liquid and Klorvess Liquid mixing, obtain three's mixed solution；Wherein, alcohol effluent is produced by during cassava production alcohol
Waste liquid, obtained through evaporation and concentration, brix >=50 ° Bx；
(2) it chelates: gained sodium selenite solution in step (1) being slowly added into step (1) and is weighed in gained alcohol effluent,
It is stirring while adding, it is shaken after stirring, the concussion time is 5 hours, oscillation frequency 100r/min, and temperature is 30 DEG C；
(3) honey is added: honey solution obtained by step (1) being slowly added into after step (2) shake in acquired solution, Bian Jia
Side concussion, shakes up after adding；
(4) N, P, K nutrient is added: gained three's mixed solution in step (1) being slowly added into molten obtained by step (3)
In liquid, the concussion of side edged, after addition completely, it is 1000g that remaining water to total solution weight, which is added, is shaken up to get broad spectrum type height
Imitate selenium-enriched foliage fertilizer.
The application method of broad spectrum type high-efficient selenium-enriched foliage fertilizer obtained by above-mentioned preparation: shaking up before use, takes preparation gained blade face
After 300-500 times of fertilizer dilution, is used by the way of spraying, be uniformly sprayed on the leaf surfaces of crop；It the use of the time is to make
Object grows animated period or crop harvests preceding at least one moon.
The resulting following experiment of broad spectrum type high-efficient selenium-enriched foliage fertilizer progress is prepared by above-mentioned:
Handle example 1
The regulation experiment of Different Crop selenium fertilizer: respectively in rice, peanut, corn, potato, is tested on sweet potato at Siraitia grosvenorii,
Enter generative growth phase in crop or stem tuber starts the stage of expanding, sprays broad spectrum type high-efficient selenium-enriched foliage fertilizer of the present invention；It is different
Crop and using the fresh water spraying of equivalent as control (CK).Different crop broad-spectrum type high-efficient selenium-rich foliar fertilizers it is specifically used
Situation is as follows:
Rice: spraying broad spectrum type high-efficient selenium-enriched foliage fertilizer obtained by a preparation of the embodiment of the present invention 1 in the boot stage of rice,
Mu dosage is 150ml, dilutes 300 times of uses.
Peanut: broad spectrum type high-efficient selenium-enriched foliage fertilizer obtained by a preparation of the embodiment of the present invention 1, mu are sprayed in peanut full-bloom stage
Dosage is 100ml, dilutes 500 times of uses.
Siraitia grosvenorii: broad spectrum type high-efficient obtained by a preparation of the embodiment of the present invention 1 is sprayed when Siraitia grosvenorii starts to bloom
Selenium-enriched foliage fertilizer, mu dosage are 150ml, dilute 300 times of uses.
Potato: broad spectrum type obtained by a preparation of the embodiment of the present invention 1 is sprayed when potato tubers starts to expand
High-efficient selenium-rich foliar fertilizer, mu dosage are 200ml, dilute 300 times of uses.
Sweet potato: it is high that broad spectrum type obtained by a preparation of the embodiment of the present invention 1 is sprayed when potato tubers starts to expand
Selenium-enriched foliage fertilizer is imitated, mu dosage is 100ml, dilutes 400 times of uses.
After crop harvest, collecting fruit sample, and epidermis is cleaned up: it is polished rice that rice, which is beaten, and peanut is shelled peanut,
Siraitia grosvenorii is whole fruit, and potato is stem tuber, and sweet potato is root tuber.Crushed after drying, cross 60 meshes, after surveyed with atomic fluorescence spectrophotometer
Fixed full Se content, the results are shown in Table 1.
Influence of the table 1 using broad spectrum type high-efficient selenium-enriched foliage fertilizer to Different Crop Se content
As can be seen from Table 1, the application embodiment of the present invention 1 preparation gained broad spectrum type high-efficient selenium-rich selenium foliar fertilizer can significantly increase
Add full Se content in crop and fruit, peanut and Siraitia grosvenorii increase obviously, increase separately 336.2% and 400.0%, rice, Ma Ling
The full Se content increasing degree of potato and sweet potato is between 157.3%-180.0%.
Handle example 2
Selenium fertilizer absorption experiment:
This experiment is unfolded on rice, totally two processing: processing 1 is to spray an embodiment of the present invention in Rise's boot period
1 prepares resulting broad spectrum type selenium-rich high-efficiency foliage fertilizer, and dosage is 150ml/ mus, dilutes 300 times of applications；Processing 2 is control (CK),
A sodium selenite aqueous solution is sprayed in Rise's boot period, dosage is that total selenium amount is identical as processing 1, i.e., sodium selenite 3g/ mus, molten
Xie Hou is diluted with 45L and is applied.
After rice is mature, throughout in reason, the fresh rice sample 2kg of random acquisition is cleaned three times in clear water, is dried,
Polished rice is broken into, it is rear to crush, and cross 60 meshes.Finally measured on atomic fluorescence spectrophotometer, as a result as follows:
The different selenium foliar fertilizers of table 2 handle the influence to rice yield
| Processing | Setting percentage (%) | Mass of 1000 kernel (g) | Yield (kg/ mus) |
| Processing 1 | 86.59 | 18.32 | 445.7 |
| Handle 2 (CK) | 82.28 | 17.80 | 417.4 |
As can be seen from Table 2, broad spectrum type high-efficient selenium-enriched foliage fertilizer of the present invention (processing 1) is applied in Seed-Setting Percentage in Rice, thousand
Effect in terms of grain weight and rice yield is better than application sodium selenite (processing 2), and wherein Seed-Setting Percentage in Rice increases by 4.31 hundred
Branch, mass of 1000 kernel increase by 2.92%, rice yield volume increase 6.78%.
The different selenium foliar fertilizers of table 3 handle the cumulative effect to selenium on rice
As can be seen from Table 3, the full Se content ratio of broad spectrum type high-efficient selenium-enriched foliage fertilizer of the invention (processing 1) rice is applied
The high by 14.68% of the processing (CK) of sodium selenite is directly sprayed, in organic selenium accounting, processing 1 is compared with the 2 total selenium of organic selenium Zhan of processing
Ratio improve 14.9 percentage points.In terms of cumulative percentage of the external source selenium of application in rice, processing 1 is also higher than control.
The selenium-enriched foliage fertilizer use age of the present invention generally in the animated period of plant growth, crop to the demand of nutrient also compared with
Greatly, and nutrient has a significant impact to the yield and quality of crop, which also supplements to crop necessary while selenium-supply
Nutrient.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. a kind of broad spectrum type high-efficient selenium-enriched foliage fertilizer, which is characterized in that compare according to parts by weight, include following components raw material: is sub-
10-20 parts of sodium selenate, 100-150 parts of alcohol effluent, 10-20 parts of honey, 100-150 parts of urea, 40-50 parts of potassium dihydrogen phosphate,
20-25 parts and water 585-720 parts of potassium chloride；The preparation method of the broad spectrum type high-efficient selenium-enriched foliage fertilizer includes following operation
Step:
(1) it dissolves: each component raw material more required than weighing according to parts by weight: 10-20 parts of sodium selenite, alcohol effluent 100-
150 parts, 10-20 parts of honey, 100-150 parts of urea, 40-50 parts of potassium dihydrogen phosphate, 20-25 parts and water 585-720 parts of potassium chloride,
Sodium selenite, urea, potassium dihydrogen phosphate, potassium chloride, honey are dissolved in the water respectively, respectively obtain sodium selenite solution, urine
Plain solution, potassium dihydrogen phosphate, Klorvess Liquid and honey solution, then by urea liquid, potassium dihydrogen phosphate and chlorine
Change potassium solution mixing, obtains three's mixed solution；
(2) it chelates: step (1) is added in gained sodium selenite solution in step (1) and is weighed in gained alcohol effluent, concussion；
(3) honey is added: honey solution obtained by step (1) is added after step (2) shake in acquired solution；
(4) N, P, K nutrient is added: gained three's mixed solution in step (1) being added in step (3) acquired solution, is added
After adding entirely, it is 1000 parts to get broad spectrum type high-efficient selenium-enriched foliage fertilizer that remaining water to total solution weight, which is added,.
2. broad spectrum type high-efficient selenium-enriched foliage fertilizer according to claim 1, it is characterised in that: the alcohol effluent is by sucrose
Waste liquid caused by during honey or cassava production alcohol, obtains, brix >=50 ° Bx through evaporation and concentration.
3. broad spectrum type high-efficient selenium-enriched foliage fertilizer according to claim 1, it is characterised in that: sodium selenite is dissolved in step (1)
In 50 parts of water, urea is dissolved in 180 parts of water, and potassium dihydrogen phosphate is dissolved in 180 parts of water, and potassium chloride is dissolved in 80 parts of water, and honey is molten
Solution is in 20 parts of water.
4. broad spectrum type high-efficient selenium-enriched foliage fertilizer according to claim 1, it is characterised in that: the condition of concussion is in step (2)
Shaking the time is 5 hours, oscillation frequency 100r/min, and temperature is 30 DEG C.
5. a kind of application method of broad spectrum type high-efficient selenium-enriched foliage fertilizer as described in claim 1, it is characterised in that: take broad spectrum type height
After imitating 300-500 times of selenium-enriched foliage fertilizer dilution, used by the way of spraying.
6. the application method of broad spectrum type high-efficient selenium-enriched foliage fertilizer according to claim 5, it is characterised in that: using the time be
At least one moon before plant growth animated period or crop harvest.
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| CN108727081A (en) * | 2018-06-26 | 2018-11-02 | 广西壮族自治区农业科学院农业资源与环境研究所 | A method of producing Se-enriched bio-organic fertilizer with agricultural wastes |
| CN109438083A (en) * | 2018-12-27 | 2019-03-08 | 广西壮族自治区农业科学院农业资源与环境研究所 | A kind of selenium-enriched liquid fertilizer |
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| CN111083979B (en) * | 2020-01-05 | 2022-05-13 | 济南市第二农业科学研究院(济南市现代农业科技成果综合应用示范基地) | Method for producing selenium-rich potatoes by supplementing exogenous selenium through foliage spraying |
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| CN105237282A (en) * | 2015-09-01 | 2016-01-13 | 南宁市英德肥业有限责任公司 | Novel environment-friendly selenium-rich bio-organic fertilizer for bananas |
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| CN106116782A (en) | 2016-11-16 |
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