CN106478292A - A kind of fruit and vegetable Selenium-rich composite fertilizer - Google Patents
A kind of fruit and vegetable Selenium-rich composite fertilizer Download PDFInfo
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- CN106478292A CN106478292A CN201610856208.2A CN201610856208A CN106478292A CN 106478292 A CN106478292 A CN 106478292A CN 201610856208 A CN201610856208 A CN 201610856208A CN 106478292 A CN106478292 A CN 106478292A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a kind of fruit and vegetable Selenium-rich composite fertilizer, is made up of following components proportioning by weight：200 240 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and 50 70 parts of the mixture of leaf lettuce, 30 50 parts of hydrophyte natantia dry powder, 5 15 parts of clam shell powder, 20 30 parts of urea, 15 25 parts of sodium selenite, 46 parts of manganese sulfate, 57 parts of zinc sulfate, 35 parts of magnesium sulfate, 57 parts of ground phosphate rock, 35 parts of bacterial classification, 18 22 parts of humic acid potassium.The present invention, by adding fowl and animal excrement, string, is that crop growth provides comprehensive nutrition；Sodium selenite is applied in the selenium-rich fertilizer, evaded health threat of the fertilizer to producers and consumers itself.While employ bacterial classification fermenting to string and fowl and animal excrement, decompose the organic compounds such as high molecular weight protein therein so as to be degraded to and be suitable for the nutrient content being absorbed by plants, absorptivity of the crops to nutriment can be improved.
Description
Technical field
The present invention relates to agricultural technology field, specifically a kind of fruit and vegetable Selenium-rich composite fertilizer.
Background technology
Selenium (Se) is a kind of trace element, and molecular weight is 78.96, is located at Group VIA, chemically in the periodic table of chemical element
Matter is similar to element sulphur of the same clan.Current prevailing paradigm thinks that appropriate selenium is kept fit with important to human body in diet
Effect.First, selenium plays irreplaceable effect in terms of the oxidation resistance of human body is improved.In addition, selenium also has anticancer, guarantor
Protecting liver, combine the important physiological function such as heavy metal, prevention and cure of cardiovascular disease.Meanwhile, lack selenium or mankind's Kaschin-Beck disease, Keshan
The important origin cause of formation of disease.Selenium is played an important role to plant growth, health as important trace element.But it is inorganic
Selenium directly absorbed by the body can not be utilized.And the inorganic selenium in natural environment can be changed into Organic Selenium by conversion by plant.
Therefore, plant, as important selenium conversion person, is the important sources of mankind's selenium intake.
Strengthen the exploitation of selenium-rich food, be worth with important business ＆ economy, even more build up people's health.In order that plant
Enough selenium elements are absorbed from soil and then makes the food for obtaining become selenium-rich product, it is necessary to which soil is improved, especially right
The improvement in lean selenium soil, is badly in need of selenium-enriched organic fertilizer.In view of this technical problem, needs a kind of proportioning occur simply, in fertilizer
Se content is high, can significantly improve soil selenium-containing amount, and then significantly improve a kind of Selenium-rich composite fertilizer of crop absorption ratio.
Content of the invention
The invention provides a kind of fruit and vegetable Selenium-rich composite fertilizer, string and animal wastes are recycled, energy is obtained
The Selenium-rich composite fertilizer for being conducive to leaf vegetables to absorb.
For achieving the above object, the technical scheme is that：
A kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
Mixture 50-70 part of mixture 200-240 part of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, hydrophyte natantia are done
Powder 30-50 part, clam shell powder 5-15 part, urea 20-30 part, sodium selenite 15-25 part, manganese sulfate 4-6 part, zinc sulfate 5-7 part,
Magnesium sulfate 3-5 part, ground phosphate rock 5-7 part, bacterial classification 3-5 part, humic acid potassium 18-22 part.
Further, a kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
50 parts of the mixture of 200 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 30 parts of hydrophyte natantia dry powder,
5 parts of clam shell powder, 20 parts of urea, 15 parts of sodium selenite, 4 parts of manganese sulfate, 5 parts of zinc sulfate, 3 parts of magnesium sulfate, 5 parts of ground phosphate rock, bacterium
3 parts are planted, 18 parts of humic acid potassium.
Further, a kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
60 parts of the mixture of 220 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 40 parts of hydrophyte natantia dry powder,
10 parts of clam shell powder, 25 parts of urea, 20 parts of sodium selenite, 5 parts of manganese sulfate, 6 parts of zinc sulfate, 4 parts of magnesium sulfate, 6 parts of ground phosphate rock, bacterium
4 parts are planted, 20 parts of humic acid potassium.
Further, a kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
70 parts of the mixture of 240 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 50 parts of hydrophyte natantia dry powder,
15 parts of clam shell powder, 30 parts of urea, 25 parts of sodium selenite, 6 parts of manganese sulfate, 7 parts of zinc sulfate, 5 parts of magnesium sulfate, 7 parts of ground phosphate rock, bacterium
5 parts are planted, 22 parts of humic acid potassium.
In the mixture of the chicken, duck and sheep excrement, the mass ratio of chicken manure, duck excrement and sheep excrement is 1:2:1.
The sweet potato leaves are 2 with the mass ratio of the mixture of leaf lettuce:4.
The bacterial classification includes at least two in lactic acid bacteria, saccharomycete and bacillus subtilis.
The preparation method of above-mentioned fruit and vegetable Selenium-rich composite fertilizer, comprises the following steps：
（1）The mixture of sweet potato leaves and leaf lettuce, hydrophyte natantia dry powder, clam shell powder are mixed to obtain compound, is taken
Bacterial classification dissolve, be added in compound, and be diluted with water to compound moisture be 50-60%, in fermentation vat ferment 8-
9 days, obtain fermentation material A；
（2）KOH solution is added in fermentation material A, pH is adjusted to 7.3-7.5, humic acid potassium is subsequently adding, stir, then
The mixture for half sodium selenite being taken with chicken, duck and sheep excrement is added in fermentation vat, is stirred, and mixed fermentation 8-10 days must be sent out
Ferment material B；
（3）Remaining raw material is added in fermentation material B, is stirred, obtain fruit and vegetable Selenium-rich composite fertilizer.
During using above-mentioned fruit and vegetable Selenium-rich composite fertilizer, 150-250 times of dilute with water.
Advantages of the present invention is：The present invention, by adding fowl and animal excrement, string, is that crop growth is provided comprehensively
Nutrition；Sodium selenite is applied in the selenium-rich fertilizer, and without traditional sodium selenate, evaded fertilizer itself to the producer and consumption
The health threat of person.While employ bacterial classification fermenting to string and fowl and animal excrement, decompose high molecular weight protein therein
Deng organic compound so as to be degraded to and be suitable for the nutrient content being absorbed by plants, absorption of the crops to nutriment can be improved
Rate；The Se content in crops is not only effectively improved, also agriculture and forestry organic waste material can be recycled, with extensive marketing
It is worth, Social and economic benef@is notable.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention is not limited to following reality
Apply example.
Embodiment 1
A kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
Mixture 50kg, the hydrophyte natantia dry powder 30kg of the mixture 200kg of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce,
Clam shell powder 5kg, urea 20kg, sodium selenite 15kg, manganese sulfate 4kg, zinc sulfate 5kg, magnesium sulfate 3kg, ground phosphate rock 5kg, bacterium
Plant 3kg, humic acid potassium 18kg.
In the mixture of the chicken, duck and sheep excrement, the mass ratio of chicken manure, duck excrement and sheep excrement is 1:2:1.
The sweet potato leaves are 2 with the mass ratio of the mixture of leaf lettuce:4.
The bacterial classification includes at least two in lactic acid bacteria, saccharomycete and bacillus subtilis.
The preparation method of above-mentioned fruit and vegetable Selenium-rich composite fertilizer, comprises the following steps：
（1）The mixture of sweet potato leaves and leaf lettuce, hydrophyte natantia dry powder, clam shell powder are mixed to obtain compound, is taken
Bacterial classification dissolve, be added in compound, and be diluted with water to compound moisture be 50%, in fermentation vat ferment 8 days,
Obtain fermentation material A；
（2）KOH solution is added in fermentation material A, pH is adjusted to 7.3, humic acid potassium is subsequently adding, stir, then take one
Half sodium selenite is added in fermentation vat with the mixture of chicken, duck and sheep excrement, is stirred, and mixed fermentation 8 days obtains fermentation material B；
（3）Remaining raw material is added in fermentation material B, is stirred, obtain fruit and vegetable Selenium-rich composite fertilizer.
During using above-mentioned fruit and vegetable Selenium-rich composite fertilizer, 150 times of dilute with water.
Embodiment 2
A kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
Mixture 60kg, the hydrophyte natantia dry powder 40kg of the mixture 220kg of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce,
Clam shell powder 10kg, urea 25kg, sodium selenite 20kg, manganese sulfate 5kg, zinc sulfate 6kg, magnesium sulfate 4kg, ground phosphate rock 6kg, bacterium
Plant 4kg, humic acid potassium 20kg.
In the mixture of the chicken, duck and sheep excrement, the mass ratio of chicken manure, duck excrement and sheep excrement is 1:2:1.
The sweet potato leaves are 2 with the mass ratio of the mixture of leaf lettuce:4.
The bacterial classification includes at least two in lactic acid bacteria, saccharomycete and bacillus subtilis.
The preparation method of above-mentioned fruit and vegetable Selenium-rich composite fertilizer, comprises the following steps：
（1）The mixture of sweet potato leaves and leaf lettuce, hydrophyte natantia dry powder, clam shell powder are mixed to obtain compound, is taken
Bacterial classification dissolve, be added in compound, and be diluted with water to compound moisture be 55%, in fermentation vat ferment 8.5
My god, obtain fermentation material A；
（2）KOH solution is added in fermentation material A, pH is adjusted to 7.4, humic acid potassium is subsequently adding, stir, then take one
Half sodium selenite is added in fermentation vat with the mixture of chicken, duck and sheep excrement, is stirred, and mixed fermentation 9 days obtains fermentation material B；
（3）Remaining raw material is added in fermentation material B, is stirred, obtain fruit and vegetable Selenium-rich composite fertilizer.
During using above-mentioned fruit and vegetable Selenium-rich composite fertilizer, 200 times of dilute with water.
Embodiment 3
A kind of fruit and vegetable Selenium-rich composite fertilizer, is mainly made up of following components proportioning by weight：
Mixture 70kg, the hydrophyte natantia dry powder 50kg of the mixture 240kg of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce,
Clam shell powder 15kg, urea 30kg, sodium selenite 25kg, manganese sulfate 6kg, zinc sulfate 7kg, magnesium sulfate 5kg, ground phosphate rock 7kg, bacterium
Plant 5kg, humic acid potassium 22kg.
In the mixture of the chicken, duck and sheep excrement, the mass ratio of chicken manure, duck excrement and sheep excrement is 1:2:1.
The sweet potato leaves are 2 with the mass ratio of the mixture of leaf lettuce:4.
The bacterial classification includes at least two in lactic acid bacteria, saccharomycete and bacillus subtilis.
The preparation method of above-mentioned fruit and vegetable Selenium-rich composite fertilizer, comprises the following steps：
（1）The mixture of sweet potato leaves and leaf lettuce, hydrophyte natantia dry powder, clam shell powder are mixed to obtain compound, is taken
Bacterial classification dissolve, be added in compound, and be diluted with water to compound moisture be 60%, in fermentation vat ferment 9 days,
Obtain fermentation material A；
（2）KOH solution is added in fermentation material A, pH is adjusted to 7.5, humic acid potassium is subsequently adding, stir, then take one
Half sodium selenite is added in fermentation vat with the mixture of chicken, duck and sheep excrement, is stirred, and mixed fermentation 10 days obtains fermentation material B；
（3）Remaining raw material is added in fermentation material B, is stirred, obtain fruit and vegetable Selenium-rich composite fertilizer.
During using above-mentioned fruit and vegetable Selenium-rich composite fertilizer, 250 times of dilute with water.
Experimental example：
Carry out experimental planting with selecting 4 mu of certain green cucumbers, sample plot is divided into control group, 1 group of embodiment, 2 groups of embodiment, reality
3 groups of example is applied, it is 0.25mg/kg that 4 pieces are tested the total Se content of soil, after second section position melon is sat, 1 group of embodiment, embodiment 2
Group, embodiment 3 groups of the foliage-spray difference foliage-spray embodiment of the present invention 1, embodiment 2, Selenium-rich composite fertilizer of embodiment 3 are right
According to group foliage-spray clear water.7-14 days cucumber after contrast fertilising, the average list melon weight of 1 group of embodiment, 2 groups of embodiment, 3 groups of embodiment
For 152.3g, the average list melon weight of control group is 137.4, relative increase 10.8%；Contrast four groups of cucumber Se contents, 1 group of embodiment,
The average total Se content of 2 groups of embodiment, 3 groups of embodiment is 60-80 μ g/kg, and the total Se content of control group is less than 10 μ g/kg, four groups of nothings
Machine Se content is respectively less than 10 μ g/kg, and 1 group of embodiment, 2 groups of embodiment, 3 groups of total Se contents of embodiment are all far above control group；Right
Than four groups of cucumber VC contents, 1 group of embodiment, 2 groups of embodiment, the average VC content of 3 groups of embodiment are 152.2mg/kg, and control group is put down
All VC content is 136.1mg/kg, relative raising 11.8%.
14-21 days cucumber after fertilising are contrasted, the average list melon weight of 1 group of embodiment, 2 groups of embodiment, 3 groups of embodiment is
154.2g, the average list melon weight of control group is 139.0, relative increase 10.9%；Contrast four groups of cucumber Se contents, 1 group of embodiment, reality
2 groups of example, 3 groups of total Se contents of embodiment are applied for 40-60 μ g/kg, the total Se content of control group is less than 10 μ g/kg, four groups of inorganic seleniums contain
Amount is respectively less than 10 μ g/kg, and 1 group of embodiment, 2 groups of embodiment, 3 groups of total Se contents of embodiment are all far above control group；Contrast four groups
Cucumber VC content, 1 group of embodiment, 2 groups of embodiment, the average VC content of 3 groups of embodiment contain for 162.4mg/kg, the average VC of control group
Measure as 144.3mg/kg, relative raising 12.5%.
Claims (8)
1. a kind of fruit and vegetable Selenium-rich composite fertilizer, is characterized in that：Mainly it is made up of following components proportioning by weight：
Mixture 50-70 part of mixture 200-240 part of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, hydrophyte natantia are done
Powder 30-50 part, clam shell powder 5-15 part, urea 20-30 part, sodium selenite 15-25 part, manganese sulfate 4-6 part, zinc sulfate 5-7 part,
Magnesium sulfate 3-5 part, ground phosphate rock 5-7 part, bacterial classification 3-5 part, humic acid potassium 18-22 part.
2. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：Mainly by following components proportioning by weight
Make：
50 parts of the mixture of 200 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 30 parts of hydrophyte natantia dry powder,
5 parts of clam shell powder, 20 parts of urea, 15 parts of sodium selenite, 4 parts of manganese sulfate, 5 parts of zinc sulfate, 3 parts of magnesium sulfate, 5 parts of ground phosphate rock, bacterium
3 parts are planted, 18 parts of humic acid potassium.
3. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：Mainly by following components proportioning by weight
Make：
60 parts of the mixture of 220 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 40 parts of hydrophyte natantia dry powder,
10 parts of clam shell powder, 25 parts of urea, 20 parts of sodium selenite, 5 parts of manganese sulfate, 6 parts of zinc sulfate, 4 parts of magnesium sulfate, 6 parts of ground phosphate rock, bacterium
4 parts are planted, 20 parts of humic acid potassium.
4. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：Mainly by following components proportioning by weight
Make：
70 parts of the mixture of 240 parts of the mixture of chicken, duck and sheep excrement, sweet potato leaves and leaf lettuce, 50 parts of hydrophyte natantia dry powder,
15 parts of clam shell powder, 30 parts of urea, 25 parts of sodium selenite, 6 parts of manganese sulfate, 7 parts of zinc sulfate, 5 parts of magnesium sulfate, 7 parts of ground phosphate rock, bacterium
5 parts are planted, 22 parts of humic acid potassium.
5. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：In the mixture of the chicken, duck and sheep excrement, chicken
The mass ratio of excrement, duck excrement and sheep excrement is 1:2:1.
6. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：The sweet potato leaves and the mixture of leaf lettuce
Mass ratio is 2:4.
7. fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：The bacterial classification include lactic acid bacteria, saccharomycete and
In bacillus subtilis at least two.
8. the preparation method of fruit and vegetable Selenium-rich composite fertilizer according to claim 1, is characterized in that：Comprise the following steps：
（1）The mixture of sweet potato leaves and leaf lettuce, hydrophyte natantia dry powder, clam shell powder are mixed to obtain compound, is taken
Bacterial classification dissolve, be added in compound, and be diluted with water to compound moisture be 50-60%, in fermentation vat ferment 8-
9 days, obtain fermentation material A；
（2）KOH solution is added in fermentation material A, pH is adjusted to 7.3-7.5, humic acid potassium is subsequently adding, stir, then
The mixture for half sodium selenite being taken with chicken, duck and sheep excrement is added in fermentation vat, is stirred, and mixed fermentation 8-10 days must be sent out
Ferment material B；
（3）Remaining raw material is added in fermentation material B, is stirred, obtain fruit and vegetable Selenium-rich composite fertilizer.
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| CN201610856208.2A CN106478292A (en) | 2016-09-28 | 2016-09-28 | A kind of fruit and vegetable Selenium-rich composite fertilizer |
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| CN201610856208.2A CN106478292A (en) | 2016-09-28 | 2016-09-28 | A kind of fruit and vegetable Selenium-rich composite fertilizer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021808A (en) * | 2017-03-09 | 2017-08-08 | 海门市水源丰农产品有限公司 | A kind of organic cauliflower composite fertilizer and preparation method thereof |
| CN107141171A (en) * | 2017-05-18 | 2017-09-08 | 林云 | A kind of Selenium-rich composite fertilizer |
| CN107556111A (en) * | 2017-09-25 | 2018-01-09 | 赵青娇 | Spray type selenium-enriched organic fertilizer |
| CN108101612A (en) * | 2018-02-05 | 2018-06-01 | 山东省林业科学研究院 | A kind of special Se-enriched bio-organic fertilizer of winter jujube and its preparation and method of administration |
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| CN104193527A (en) * | 2014-08-29 | 2014-12-10 | 青岛嘉禾丰肥业有限公司 | Selenium-rich organic fertilizer |
| CN105523853A (en) * | 2016-02-03 | 2016-04-27 | 南宁市品迪生物工程有限公司 | Selenium-rich organic slow release fertilizer and preparation method thereof |
| CN105777252A (en) * | 2016-02-03 | 2016-07-20 | 南宁市品迪生物工程有限公司 | Selenium-rich organic fertilizer and preparation method thereof |
| CN105777253A (en) * | 2016-02-03 | 2016-07-20 | 南宁市品迪生物工程有限公司 | Selenium-rich organic fertilizer and production process thereof |
| CN105777421A (en) * | 2016-02-03 | 2016-07-20 | 南宁市品迪生物工程有限公司 | Selenium-rich organic slow-release fertilizer and production method thereof |
| CN105777251A (en) * | 2016-02-03 | 2016-07-20 | 南宁市品迪生物工程有限公司 | Selenium-rich organic slow-release fertilizer and production process thereof |
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| CN104193527A (en) * | 2014-08-29 | 2014-12-10 | 青岛嘉禾丰肥业有限公司 | Selenium-rich organic fertilizer |
| CN105523853A (en) * | 2016-02-03 | 2016-04-27 | 南宁市品迪生物工程有限公司 | Selenium-rich organic slow release fertilizer and preparation method thereof |
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| CN105777251A (en) * | 2016-02-03 | 2016-07-20 | 南宁市品迪生物工程有限公司 | Selenium-rich organic slow-release fertilizer and production process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021808A (en) * | 2017-03-09 | 2017-08-08 | 海门市水源丰农产品有限公司 | A kind of organic cauliflower composite fertilizer and preparation method thereof |
| CN107141171A (en) * | 2017-05-18 | 2017-09-08 | 林云 | A kind of Selenium-rich composite fertilizer |
| CN107556111A (en) * | 2017-09-25 | 2018-01-09 | 赵青娇 | Spray type selenium-enriched organic fertilizer |
| CN108101612A (en) * | 2018-02-05 | 2018-06-01 | 山东省林业科学研究院 | A kind of special Se-enriched bio-organic fertilizer of winter jujube and its preparation and method of administration |
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Application publication date: 20170308 |