CN105859380A - Selenium fertilizer and production method for selenium-rich rice - Google Patents
Selenium fertilizer and production method for selenium-rich rice Download PDFInfo
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- CN105859380A CN105859380A CN201610189789.9A CN201610189789A CN105859380A CN 105859380 A CN105859380 A CN 105859380A CN 201610189789 A CN201610189789 A CN 201610189789A CN 105859380 A CN105859380 A CN 105859380A
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- selenium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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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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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a selenium fertilizer and a production method for selenium-rich rice. The selenium fertilizer comprises the following components in parts by weight: 0.1 to 0.396 part of a selenium source in terms of the weight of selenium, 500 to 1000 parts of dried fine earth, 50 to 200 parts of a biomass filling material and 5 to 25 parts of a fertilizer improving agent. The method used for producing the selenium-rich rice comprises the following step: during transplanting of rice seedlings, synchronously applying the selenium fertilizer in the root parts of the rice seedlings, wherein the amount of the selenium source applied in a rice field per mu is 2.5 to 9.9 g in terms of the weight of selenium. The rice cultivated by utilizing the selenium fertilizer used for rice and the method provided by the invention has a selenium content capable of reaching 0.15 mg/kg or above, and the utilization rate of the selenium fertilizer is greatly improved.
Description
Technical field
The invention belongs to proportion of crop planting field, be specifically related to a kind of method that selenium is fertile and produces Semen oryzae sativae rich in selenium.
Background technology
Rice is the staple food crop of China, and the whole nation population with rice as staple food accounts for the 50% of total number of people.China
Monitoring of Paddy Rice Plant Area reaches 29,960,000 hectares, and distributed areas are vast.Due to historical reasons such as pressures, China's Rice Production is gone over
With high yield as target, relatively low to the attention degree of rice secondary element content, along with the raising day by day and externally of Living consumption
The development of trade, the rich trace elements technological development of Oryza sativa L. will more be paid attention to.
Selenium, symbol of element Se, it is a kind of micro elements needed by human, is the work of glutathion peroxidase (GSH-Px)
Property center. have anticancer, defying age (antioxidation) and improve the biological characteristics such as body immunity, antagonism heavy metal.In state-run
Foster association recommends selenium intake every day to be per capita 50-200 microgram.But it is micro-that the day selenium intake that China is grown up now only has 26-32
Gram, therefore, the bad situation of selemium nutrition generally exists in China.The data that WHO announces shows, the whole world has more than 40 country to belong to
Low selenium or scarce selenium area.Selenium in food chain is mainly derived from soil, and different regions Selenium in Soils content distribution is uneven.I
County (city) the low selenium of state-owned 72% or scarce selenium, Heilungkiang, the Inner Mongol, Gansu, Qinghai, Sichuan etc. seriously lack selenium area Keshan
Sick, Kaschin-Beck disease occurs, certain cancers district occurred frequently (such as Jiangsu Qidong City) Ye Shudixi district.Real according to the lean selenium soil clue in local
Execute and carry out selenium-rich work targetedly, optimizing the important side that the Se content level in food chain is agricultural production research
To.
Selenium in agricultural product is divided into inorganic selenium and the big class of organic selenium two.Inorganic selenium include selenate, selenite, selenides
Deng.For human body and animal, inorganic selenium assimilation effect is poor, and risk is big, and improper use easily causes selenosis；Organic selenium includes
Selenium protein, seleno-amino acids, selenium polysaccharide etc., relative inorganic selenium more easily absorb utilization, avirulence, are more suitable for wanting of selenium supplement
Ask.Se-rich farm products is human body Selenium Supplement element effective way, and therefore, the selenium nutrition-intensified technology of agricultural product is scientists study
Develop and be put to the hot fields of actual production.Oryza sativa L. critical role in resident's dietary structure, its Se content level is to entirely
People's selemium nutrition situation has the biggest decision meaning.The current domestic organic selenium-enriched rice mode of production mainly has following several:
One is to spray inorganic selenium solution at Grain Filling, makes Oryza sativa L. quickly absorb inorganic selenium thus reaches selenium-rich level.As
Chinese patent CN1608435A.In the method, Selenium-rich nutrient is with low content of technology, and embodiment is complex, need to spray 5～6
Secondary, and in final rice, inorganic selenium residual quantity is very big, owing to must first tie with the organic ligand in intestinal before inorganic selenium absorption
Close and just can be absorbed by organisms utilization, and intestinal also exists multiple element and competes limited part with selenium, be unfavorable for absorption of human body profit
With, and inorganic selenium have obvious toxic action to body.Two is to plant the Oryza sativa L. that accumulation ability is stronger in natural selenium-rich area,
The method can be produced more higher rice than general rice Se content.But due to district rich in selenium Selenium in Soil content, to there is region poor
Different, it is impossible to Se content in rice is carried out fixing quantity, it is possible to exceed country's limit standard.There is region limitation and instability
Property, it is unfavorable for large-scale standardized production.Three is such as the method for patent CN 103819264 B, i.e. when rice transplanting, and will
Selenium fertilizer synchronizes to be applied to rice shoot root, and this scheme has more accurate, more stable, more relative to the fertilization mode such as spraying, spread fertilizer over the fields
Efficient advantage, but, the utilization rate that selenium is fertile is relatively low.Therefore, less amount selenium fertilizer is utilized to produce the side of higher Se content rice
Method need to excavate.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of method that selenium is fertile and produces Semen oryzae sativae rich in selenium.The present invention
Method And Principle be during Oryza sativa L. carries out transplanting link, selenium fertilizer will be contained and synchronize be applied to rice shoot root and realize slotting
Seedling so that rice shoot is distributed with containing selenium fertilizer around rhizosphere during growing up, after Oryza sativa L. maturation, results obtain selenium-rich water
Rice, Oryza glutinosa obtains Semen oryzae sativae rich in selenium after husk rice, and its Se content can be more than 0.15 mg/kg.
The selenium that the present invention provides is fertile, is shaped as flakily blanket, containing the component of following parts by weight:
Selenium source, in terms of the weight of selenium 0.1 ~ 0.396；
Dry fine earth 500 ~ 1000；
Biomass packing material 50 ~ 200；
Fertilizer modifying agent 5-25.
Preferably, described selenium source is the mineral material containing selenium or contains the one in selenium compound or its mixture.
It is further preferred that described selenium source be in selenium mineral powder, selenite, selenate any one or two or more
Combination in any.
Preferably, described biomass packing material is the one in biomass fiber or a combination thereof.
It is further preferred that described biomass fiber is rice straw, Oryza sativa L. rice husk, wheat stalk, corn straw, Semen Maydis
One in core, phragmites communis or wood or its two or more any mixture.
Preferably, described fertilizer modifying agent is in calcium phosphate, calcium carbonate, calcite, limestone, shell, Calx
Plant or its two or more any mixture.
It is further preferred that described fertilizer modifying agent is calcium phosphate.
The present invention provides the preparation method of above-mentioned selenium fertilizer, comprises the steps of
1) biomass packing material and fertilizer modifying agent are pulverized respectively；Dry fine earth and selenium source are pulverized respectively into powder, so
After by selenium source powder, dry fine earth powder, pulverize after biomass packing material and fertilizer modifying agent by described ratio stirring mix,
In whipping process, stop-spraying watering does not makes it moisten, and the consumption of water is the 30-50% of dry fine earth weight；
2) in the pellet type mould that pasty mixture step 1) obtained loads, uniformly it is bulldozed and is compacted, being dried, obtain thickness
Selenium for the flakily blanket of 3-8 mm is fertile, and wherein, the amount of the selenium source of addition is 0.616 ~ 2.438 g/m in terms of the weight of selenium2
(0.1 ~ 0.396 g/ 0.1624 m2) flakily blanket selenium fertile.
Preferably, the particle diameter of selenium source powder and dry fine earth powder is less than 48 μm, wherein the ratio shared by Nano grade be 5 ~
15%。
The present invention provides above-mentioned selenium fertilizer for the method producing Semen oryzae sativae rich in selenium, during rice transplanting, synchronizes to apply by selenium fertilizer
At rice shoot root.
Preferably, selenium fertilizer is the flakily blanket of thickness 3-8 mm, adjusts its length and width and rice seedling nursing disc
Size is the same, during rice transplanting, flakily will be placed on rice seedling box of rice seedling transplanting machine by blanket selenium fertilizer, and then be put by the rice shoot in rice seedling nursing disc
Putting above flakily blanket selenium fertilizer, carry out machine rice transplantation, flakily blanket selenium fertilizer is positioned at after being inserted into rice seedling bed together with rice shoot
The root position of rice shoot, wherein, the amount of the selenium source that every mu of rice terrace applies is 2.5 ~ 9.9 g in terms of the weight of selenium.
It is further preferred that the fertile consumption of described selenium is, the amount of the selenium source that every mu of rice terrace applies is in terms of the weight of selenium 5
~9 g。
Utilizing selenium provided by the present invention fertilizer and for the method producing Semen oryzae sativae rich in selenium, the rice Se content produced can
Reaching 0.15 more than mg/kg, reach the selenium-rich standard of country, this method has fertilizer and applies site precisely, and can improve further
The utilization rate that selenium is fertile, the Semen oryzae sativae rich in selenium cultivated makes people supplement that mineral element selenium becomes by diet mode can
Can, significant for solving the scarce selenium problem of crowd.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, so that those skilled in the art can be more preferable
Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
Selecting certain Rice Cropping base, choose the community of 35 × 19=665 square metre (1 mu), each cell periphery is built wide 0.5 meter
Ridge and retain the isolation distance of 1 meter, each community is provided with independent row irrigation water channel.Select one of them community as conventional water
The matched group of rice growing (the Oryza sativa L. selenium being not added with the present invention is fertile), remaining group adding selenium fertile uses the cultivation skill identical with matched group
Art, when results, gathers Oryza sativa L. spike of rice and carries out threshing, husk rice, measure the Se content of rice, record the Se content of matched group rice
It is 0.022 mg/kg.
Embodiment 2-13
First, making the pellet type mould as seedling-cultivation plate specification, the size of described pellet type mould is: a length of 600 mm,
A width of 280 mm, the degree of depth is 10 mm；The biomass packing materials such as rice straw, wheat stalk, corn straw, phragmites communis are pulverized
For segment, be simultaneously introduced the biological materials such as wood fragments bits, rice husk, fertilizer modifying agent calcium phosphate pulverized as powder, by dry ground,
Selenium source is pulverized as powdery respectively, and its particle diameter is less than 48 μm, and wherein the ratio shared by Nano grade is 5 ~ 15%, then by selenium source powder
Fine earth powder last, dry, fertilizer modifying agent powder and segment biomass packing material according to the form below ratio add stirring after slightly mixing
Being sufficiently mixed uniformly in machine, in whipping process, stop-spraying watering does not makes it moisten, and the consumption of described water accounts for the 30-of dry fine earth consumption
50%, it is specifically shown in following table；The paper that a tray bottom surface is the biggest is padded, then by obtained pasty state containing selenium in pellet type mould
Fertilizer is divided into 25 parts, is respectively charged in 25 different moulds, is uniformly bulldozed and is compacted, then dry or dry, obtains thin
The selenium of sheet carpet-like is fertile.Pack, seals and sticks composition label, standby.
During transplanting, the selenium fertilizer of prepared flakily blanket is placed on rice seedling box of rice seedling transplanting machine, then by rice seedling nursing disc
In rice shoot be placed on above selenium fertilizer, regulate rice transplanter parameter and carry out machine rice transplantation, selenium fertilizer is inserted into rice seedling bed together with rice shoot
After be positioned at the root position of rice shoot, every mu is 25 dishes (1 experimental group) by seedling dish quantity.Transplanting link process is carried out in Oryza sativa L.
In, synchronize be applied to rice shoot root and realize rice transplanting by the selenium fertilizer of the present invention so that rice shoot is during growing up around rhizosphere
Being distributed with containing selenium fertilizer, after Oryza sativa L. maturation, results obtain Selenium rich rice, and Oryza glutinosa obtains Semen oryzae sativae rich in selenium after husk rice.
When rice harves, gather Oryza sativa L. spike of rice and carry out threshing, husk rice, measure the Se content of rice, collect in following table:
| Embodiment is numbered | Selenium source and consumption (g in terms of selenium) | Dry fine earth (kg) | Biomass packing material (kg) | Fertilizer modifying agent and consumption (kg) | Rice Se content (mg/kg) |
| 1 | Activation selenium mineral powder 2.5 | 12.5 | 2 | Calcium phosphate 0.125 | 0.152 |
| 2 | Activation selenium mineral powder 5 | 21 | 1.25 | Calcium carbonate 0.4 | 0.173 |
| 3 | Activation selenium mineral powder 9 | 25 | 5 | Calcium phosphate 0.2 | 0.210 |
| 4 | Activation selenium mineral powder 9.9 | 17 | 4.5 | Calcium phosphate 0.625 | 0.229 |
| 5 | Activation selenium mineral powder 9.9 | 18 | 2 | Calcium phosphate 0.5 | 0.224 |
| 6 | Activation selenium mineral powder 9.9 | 18 | 2 | Nothing | 0.164 |
| 7 | Sodium selenite 9 | 21 | 1.25 | Calcium phosphate 0.4 | 0.209 |
| 8 | Sodium selenite 9 | 20 | 4 | Calcium phosphate 0.5 | 0.232 |
| 9 | Sodium selenite 20 | 20 | 4 | Nothing | 0.203 |
| 10 | Sodium selenate 9 | 21 | 1.25 | Calcium phosphate 0.4 | 0.221 |
| 11 | Sodium selenate 15 | 21 | 1.25 | Nothing | 0.163 |
| 12 | Sodium selenate 15 | 21 | 1.25 | Calcium carbonate 0.4 | 0.184 |
| 13 | Activation selenium mineral powder 5+ sodium selenite 4 | 22 | 2.5 | Calcium carbonate 0.3+ Calx 0.05 | 0.186 |
| 14 | Activation selenium mineral powder 4+ sodium selenate 5 | 24 | 3.5 | Shell 0.5 | 0.193 |
As can be seen from the above embodiments: the rice that the method utilizing the present invention to provide is produced, its Se content is up to 0.15
More than mg/kg, reaches country's selenium-rich standard, it may be said that the rice cultivated in this way is a kind of natural selenium-rich rice, this
The absorption of human body utilization rate planting biological selenium is high, overcomes the deficiency of enriched rice, and in fertilizer, the utilization rate of selenium is also entered
One step improves, and developing Semen oryzae sativae rich in selenium thereby through this approach will have boundless application prospect, and to improving the people
Selemium nutrition deficiency have reality meaning.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, the protection model of the present invention
Enclose and be not limited to this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all in the present invention
Protection domain within.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a selenium fertilizer, it is characterised in that what described selenium was fertile is shaped as flakily blanket, by the component structure of following parts by weight
Become:
Selenium source, in terms of the weight of selenium 0.1 ~ 0.396；
Dry fine earth 500 ~ 1000；
Biomass packing material 50 ~ 200；
Fertilizer modifying agent 5-25.
Selenium the most according to claim 1 is fertile, it is characterised in that described selenium source is the mineral material containing selenium or the chemical combination containing selenium
One in thing or its mixture.
Selenium the most according to claim 2 is fertile, it is characterised in that described selenium source is in selenium mineral powder, selenite, selenate
Any one or two or more combination in any.
Selenium the most according to claim 1 is fertile, it is characterised in that described biomass packing material is in biomass fiber
Plant or a combination thereof.
Selenium the most according to claim 4 is fertile, it is characterised in that described biomass fiber is rice straw, Oryza sativa L. rice husk, little
One in Wheat Straw, corn straw, corn cob, phragmites communis or wood or its two or more any mixture.
Selenium the most according to claim 1 is fertile, it is characterised in that described fertilizer modifying agent is calcium phosphate, calcium carbonate, Fang Xie
One in stone, limestone, shell, Calx or its two or more any mixture.
Selenium the most according to claim 6 is fertile, it is characterised in that described fertilizer modifying agent is calcium phosphate.
8. the preparation method of the selenium fertilizer described in any one of claim 1 ~ 7, it is characterised in that comprise the steps of
1) biomass packing material and fertilizer modifying agent are pulverized respectively；Dry fine earth and selenium source are pulverized respectively into powder, so
After by selenium source powder, dry fine earth powder, pulverize after biomass packing material and fertilizer modifying agent by described ratio stirring mix,
In whipping process, stop-spraying watering does not makes it moisten, and the consumption of water is the 30-50% of dry fine earth weight；
2) in the pellet type mould that pasty mixture step 1) obtained loads, uniformly it is bulldozed and is compacted, being dried, obtain thickness
Selenium for the flakily blanket of 3-8 mm is fertile, wherein, flakily in the selenium fertilizer of blanket, the amount of selenium source in terms of the weight of selenium 0.616 ~
2.438 g/m2Flakily blanket selenium is fertile.
9. the selenium fertilizer described in any one of claim 1 ~ 7 is for the method producing Semen oryzae sativae rich in selenium, it is characterised in that rice transplanting
Time, synchronizing to be applied to rice shoot root by selenium fertilizer, the amount of the selenium source that every mu of rice terrace applies is 2.5 ~ 9.9 g in terms of the weight of selenium.
Method the most according to claim 8, it is characterised in that when described selenium fertilizer is used for producing Semen oryzae sativae rich in selenium, adjusts it long
Degree and width are as the size of rice seedling nursing disc, during rice transplanting, will flakily be placed on rice seedling box of rice seedling transplanting machine, so by blanket selenium fertilizer
After the rice shoot in rice seedling nursing disc is placed on flakily above blanket selenium fertilizer, carry out machine rice transplantation, flakily blanket selenium fertile with
Rice shoot is positioned at the root position of rice shoot after being inserted into rice seedling bed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610189789.9A CN105859380A (en) | 2016-03-30 | 2016-03-30 | Selenium fertilizer and production method for selenium-rich rice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189789.9A CN105859380A (en) | 2016-03-30 | 2016-03-30 | Selenium fertilizer and production method for selenium-rich rice |
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| CN201610189789.9A Pending CN105859380A (en) | 2016-03-30 | 2016-03-30 | Selenium fertilizer and production method for selenium-rich rice |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002915A (en) * | 2017-12-20 | 2018-05-08 | 贺州市昊辰农业发展有限公司 | High disease resisting rice selenium-rich fertilizer and its preparation method and application |
| CN108329072A (en) * | 2018-03-16 | 2018-07-27 | 安徽硒谷生物科技有限公司 | Selenium sand melon Special selenium fertilizer and its method for producing selenium-rich selenium sand melon |
| CN108371052A (en) * | 2018-03-16 | 2018-08-07 | 安徽硒谷生物科技有限公司 | The special seedling medium containing selenium of selenium sand melon and its method for producing selenium-rich selenium sand melon |
| CN113121286A (en) * | 2021-05-13 | 2021-07-16 | 扬州盈稼农业科技发展有限公司 | Selenium-rich liquid fertilizer and planting method of selenium-rich rice |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819264A (en) * | 2014-01-26 | 2014-05-28 | 苏州硒谷科技有限公司 | Special rice selenium fertilizer and preparation method thereof, and method for producing selenium-rich rice |
| CN104762089A (en) * | 2015-04-03 | 2015-07-08 | 桃源县兴隆米业科技开发有限公司 | Selenium-rich soil conditioner for producing natural selenium-rich rice as well as preparation and use methods of selenium-rich soil conditioner |
-
2016
- 2016-03-30 CN CN201610189789.9A patent/CN105859380A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819264A (en) * | 2014-01-26 | 2014-05-28 | 苏州硒谷科技有限公司 | Special rice selenium fertilizer and preparation method thereof, and method for producing selenium-rich rice |
| CN104762089A (en) * | 2015-04-03 | 2015-07-08 | 桃源县兴隆米业科技开发有限公司 | Selenium-rich soil conditioner for producing natural selenium-rich rice as well as preparation and use methods of selenium-rich soil conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002915A (en) * | 2017-12-20 | 2018-05-08 | 贺州市昊辰农业发展有限公司 | High disease resisting rice selenium-rich fertilizer and its preparation method and application |
| CN108329072A (en) * | 2018-03-16 | 2018-07-27 | 安徽硒谷生物科技有限公司 | Selenium sand melon Special selenium fertilizer and its method for producing selenium-rich selenium sand melon |
| CN108371052A (en) * | 2018-03-16 | 2018-08-07 | 安徽硒谷生物科技有限公司 | The special seedling medium containing selenium of selenium sand melon and its method for producing selenium-rich selenium sand melon |
| CN113121286A (en) * | 2021-05-13 | 2021-07-16 | 扬州盈稼农业科技发展有限公司 | Selenium-rich liquid fertilizer and planting method of selenium-rich rice |
| CN113121286B (en) * | 2021-05-13 | 2024-02-23 | 扬州盈稼农业科技发展有限公司 | Selenium-rich liquid fertilizer and planting method of selenium-rich rice |
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Application publication date: 20160817 |