CN103875345A - Selenium-enriched millet and production method thereof - Google Patents
Selenium-enriched millet and production method thereof Download PDFInfo
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- CN103875345A CN103875345A CN201410065248.6A CN201410065248A CN103875345A CN 103875345 A CN103875345 A CN 103875345A CN 201410065248 A CN201410065248 A CN 201410065248A CN 103875345 A CN103875345 A CN 103875345A
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Abstract
The invention discloses selenium-enriched millet and a production method thereof. The total selenium content of the selenium-enriched millet is 50-300mug/kg, and the content of organic selenium is more than or equal to 80 percent. The selenium-enriched millet has stable and controllable content, the ratio of the organic selenium is more than or equal to 80 percent, and the selenium-enriched millet is safe in form and good in absorption and utilization effects. The invention also provides a method for producing the selenium-enriched millet. According to the method, a selenium-containing fertilizer is applied to millet land soil at a time in a specific period of time according to particular quantity, a certain water-fertilizer management is combined, sufficient biological effective selenium is provided in the selenium growth process, and the selenium is absorbed by millet roots and is subjected to metabolic transformation to form various selenium-containing organic biomolecules.
Description
Technical field
The present invention relates to a kind of selenium-rich millet and production method thereof.
Background technology
Selenium is a kind of essential trace element of a kind of humans and animals, have the free radical of removing anti-oxidant, delay senility, anticancer, strengthen the biological propertyes such as immunity, antagonism heavy metal.It is 50-250 μ g that a day selenium intake is recommended by Chinese Soclety of Nutrition, but China adult's average day selenium intake only has 36 μ g left and right, and therefore, the bad situation of selemium nutrition is at China's ubiquity.The serious selenium that lacks can cause the endemic illness such as Kaschin-Beck disease, Keshan disease.WHO announce data also show, the whole world has more than 40 country to belong to low selenium or scarce selenium area.Human body selenium source is main to be taken in by meals, and rich selenium agricultural byproducts are human body Selenium Supplement element effective ways, and therefore, technique of enriched selenium is the hot fields of scientists study exploitation.
The Se content of crops is generally subject to the impact of the factors such as crop varieties, Selenium in Soil content and some physical and chemical indexs, agronomy control measures.China belongs to soil and seriously lacks the country of selenium, and the whole nation approximately has 70% area all to belong to lack selenium area.The selenium deficiency of soil has directly caused the deficiency of Se content in most of regional crops, makes China a big chunk crowd in selemium nutrition deficiency state.Millet is as one of staple food crop, and its Se content level has certain decisive action to the daily selenium absorption of people level.Improve Se content in millet, have positive effect to improving the daily selenium intake of people.
Selenium is totally divided into inorganic selenium and the large class of Organic Selenium two: the former comprises selenate, selenite etc., and inorganic selenium assimilation effect for humans and animals is poor, and risk of toxicity is large, and improper use very easily causes selenosis; The latter mainly comprises the forms such as seleno-amino acids, seleno albumen, selenium polysaccharide, good absorbing effect concerning humans and animals, and toxicity is little, is more suitable for mending the requirement of selenium.Selenium in millet transforms through bio-absorbable, most ofly exists with the form of Organic Selenium, safe, and is conducive to people and absorbs.
The main mode of production of current domestic selenium-rich millet has two kinds: a kind of is that in the millet produced of the rich selenium ecological region planting of natural soil, Se content is higher; One is to produce selenium-rich millet by artificial-strengthening.
The rich selenium regional production of natural soil selenium-rich millet, due to natural selenium-rich, to distinguish cloth area little, and multidigit is in mountain area, and arable area is less, and output is difficult to guarantee; In natural selenium-rich district, Selenium in Soil concentration areas amplitude of variation is larger simultaneously, is conventionally difficult to guarantee validity and the stability of selenium-rich millet Se content, is unfavorable for standardization, appropriate scale of operation.
By artificial selenium nutrition-intensified production selenium-rich millet, it is the essential road of standardization, large-scale production selenium-rich millet.As Chinese patent CN102344307A.The invention of announcing is to produce selenium-rich millet in the method for millet foliage-spray in vegetative period selenium.Weak point is, leaves of plants is not main absorption organ, and absorbing capacity is limited, and residual selenium has larger potential safety hazard.
Summary of the invention
The invention provides a kind of millet and production method thereof that is rich in Organic Selenium.Total Se content of this organic selenium-rich millet is 50-300 μ g/kg, organic selenium content ratio >=80% wherein.With respect to common millet, this organic selenium-rich millet Se content has improved several times to tens times, can significantly improve the Se nourishment level of the human body take millet product as staple food; The selenium-rich millet of producing with respect to prior art, this organic selenium-rich millet stable content is controlled, and ratio >=80% of Organic Selenium wherein, and form is safer, absorbs better effects if.
The invention provides the production method of organic selenium-rich millet.The method utilization containing selenium fertilizer at special time period with the disposable millet ground soil that applies of specified quantitative, in conjunction with certain water and fertilizer management, sufficient biologically effective selenium is provided in millet process of growth, and by millet root absorption, metabolic conversion forms various containing selenium organic-biological molecules, has solved existing relevant technique of enriched selenium or has had region limitation or have the residual poisoning risk of inorganic selenium or drop into the high problem that causes cost to increase because of complex operation, labour.
This organic selenium-rich millet provided by the invention technical scheme as follows:
In the process of growth of millet, will apply millet field containing selenium fertilizer, and carry out water and fertilizer management according to Routine Management, results selenium-rich millet.
Preferably, in described method, can interimly when millet plantation multiple select arbitrarily one by apply millet field containing selenium fertilizer, comprise following period: before sowing, when sowing, tillering stage, shooting stage, booting stage, Early filling stage.
Preferably, by fully mixing according to the ratio of 5 ︰ 1 with quicklime containing selenium fertilizer, be evenly sprinkled into field.
Preferably another kind of, will fully mix in 1 ︰ 2 ratios with field soil containing selenium fertilizer, be evenly sprinkled into field.
Further preferably, described field soil water content is 8%-13%, can avoid field soil overdrying to cause airborne dust, or the too wet caking that causes, and uniformity is spread fertilizer over the fields in impact.
As above-mentioned all technology preferably, described is nanometer selenium plant nutrient agent containing selenium fertilizer.
While using nanometer selenium plant nutrient agent, described nanometer selenium plant nutrient agent is evenly sprinkled into separately to field or mix with conventional fertilizer after use.While selecting the front enforcement of millet sowing, the usage amount of nanometer selenium plant nutrient agent is 1-7kg/ mu.Preferably 2-5kg/ mu.Implementation method is that nanometer selenium plant nutrient agent is evenly sprinkled into field.As preferably, nanometer selenium plant nutrient agent can mix the rear field that is evenly sprinkled into millet base fertilizer, the shallow field soil that turns over.As preferably, high-quality compoiste fertilizer or well-rotted farmyard manure for millet base fertilizer.
Select millet sowing to implement, the usage amount of nanometer selenium plant nutrient agent is 1-7kg/ mu simultaneously.Preferably 2-5kg/ mu.Implementation method is, when sowing, nanometer selenium plant nutrient agent is evenly sprinkled into field.
As preferably, with seed manure planter is same, nanometer selenium plant nutrient agent is sown into field together with millet seed.
As preferably, after mixing with common fertilizer, nanometer selenium plant nutrient agent is sown into field with seed manure planter.As preferably, common fertilizer is selected and is used round granular composite fertilizer.
While selecting millet to implement tillering stage, the usage amount of nanometer selenium plant nutrient agent is 1-8kg/ mu.Preferably 2-6kg/ mu.Implementation method is that nanometer selenium plant nutrient agent is evenly sprinkled into field.As preferably, nanometer selenium plant nutrient agent can mix the rear field that is evenly sprinkled into millet tillering fertilizer.
While selecting the millet shooting stage to implement, the usage amount of nanometer selenium plant nutrient agent is 2-8kg/ mu.Preferably 3-7kg/ mu.Implementation method is that nanometer selenium plant nutrient agent is evenly sprinkled into field.As preferably, nanometer selenium plant nutrient agent can mix the rear field that is evenly sprinkled into chemical fertilizer.
While selecting millet to implement booting stage, the usage amount of nanometer selenium plant nutrient agent is 2-10kg/ mu.Preferably 4-8kg/ mu.Implementation method is that nanometer selenium plant nutrient agent is evenly sprinkled into field.As preferably, nanometer selenium plant nutrient agent can mix the rear field that is evenly sprinkled into chemical fertilizer.
While selecting millet grouting in earlier stage to implement, the usage amount of nanometer selenium plant nutrient agent is 3-10kg/ mu.Preferably 4-8kg/ mu.
The present invention executes nanometer selenium plant nutrient agent by root, makes millet pass through root absorption selenium Synthesis Organic Selenium in vivo, makes in millet selenium form more safe and effective; Operation is simple, carries out single-dose application and can guarantee that in organic selenium-rich millet, Se content reaches target content in millet planting process; Controllability is strong, can, according to the size of aim parameter, by regulated fertilization amount, gather in the crops the organic selenium-rich millet of different rich selenium standards; Method provided by the invention has very strong practicality, because can, up to the pustulation period from millet sowing, all can be carried out selenium nutrition-intensified.In production application, according to actual conditions, there are very strong flexibility and controllability.
Embodiment
Illustrate the present invention below in conjunction with embodiment, but described embodiment is not used for limiting the scope of the invention.
Determination of Selenium is according to GB5009.93-2010 " mensuration of selenium in food ", with hydride generation atomic fluorescence spectroscopic methodology detection Se content.
Embodiment 1:
Before millet sowing, choose four millet plantation fields, by nanometer selenium plant nutrient agent, (Suzhou Xi Gu Science and Technology Ltd. produces, model is XGP001A) respectively according to 1,2,5, the amount of application of 7kg/ mu, fully mix with high-quality compoiste fertilizer with millet base fertilizer, evenly be sprinkled into field, the shallow field of turning over.Carry out afterwards millet sowing, production management, while finally results, detect each field millet Se content.
Before the sowing of table 1 millet, implement rich selenium result
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 1 | 48.3 |
| 2 | 2 | 102 |
| 3 | 5 | 167 |
| 4 | 7 | 369 |
Embodiment 2:
When millet sowing, choose four millet plantation fields, by nanometer selenium plant nutrient agent, (Suzhou Xi Gu Science and Technology Ltd. produces, model is XGP001A) respectively according to 1,2,5, the amount of application of 7kg/ mu, fully mix with granular compound fertilizer with millet base fertilizer, be together sown into field together with seed with seed manure planter.Carry out afterwards the conventional production management of millet, while finally results, detect each field millet Se content.
Table 2 millet seedtime is implemented rich selenium result
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 1 | 45.3 |
| 2 | 2 | 100 |
| 3 | 5 | 203 |
| 4 | 7 | 276 |
Embodiment 3:
When millet tillering stage, choose four millets plantation fields, by nanometer selenium plant nutrient agent (Suzhou Xi Gu Science and Technology Ltd. produces, and model is XGP001A) respectively according to 1,2,6, the amount of application of 8kg/ mu, fully mix with high-quality compoiste fertilizer with millet, be evenly sprinkled into field.Carry out afterwards the conventional production management of millet, while finally results, detect each field millet Se content.
The table 3 millet seeding stage is implemented rich selenium result
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 1 | 56.6 |
| 2 | 2 | 89.3 |
| 3 | 6 | 157 |
| 4 | 8 | 331 |
Embodiment 4:
The millet shooting stage in the beginning of spring, choose four millet plantation fields, by nanometer selenium plant nutrient agent, (Suzhou Xi Gu Science and Technology Ltd. produces, model is XGP001A) respectively according to 2,3,7, the amount of application of 8kg/ mu, evenly be sprinkled into field, carry out afterwards the conventional production management of millet, while finally results, detect each field millet Se content.
Table 4 millet period of seedling establishment or phase shooting stage are implemented rich selenium result
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 2 | 52.7 |
| 2 | 3 | 96.8 |
| 3 | 7 | 224 |
| 4 | 8 | 328 |
Embodiment 5:
In millet booting stage, choose four millet plantation fields, by nanometer selenium plant nutrient agent, (Suzhou Xi Gu Science and Technology Ltd. produces, model is XGP001A) respectively according to 2,4,6,8, the amount of application of 10kg/ mu, fully mix with composite fertilizer with millet, evenly be sprinkled into field, carry out afterwards the conventional production management of millet, while finally results, detect each field millet Se content.
Table 5 millet is implemented rich selenium result booting stage
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 2 | 63.6 |
| 2 | 4 | 112 |
| 3 | 6 | 184 |
| 4 | 8 | 291 |
| 5 | 10 | 349 |
Embodiment 6:
At millet Early filling stage, choose five millet plantation fields, by nanometer selenium plant nutrient agent, (Suzhou Xi Gu Science and Technology Ltd. produces, model is XGP001A) respectively according to 3,4,6,8, the amount of application of 10kg/ mu, the nanometer selenium plant nutrient agent weighing up is fully mixed according to the ratio of 5 ︰ 1 with quicklime, making quick-acting selenium-rich nutritive agent, is, after 8%-13% field soil fully mixes in 1 ︰ 2 ratios, to be evenly sprinkled into field with water content.Evenly be sprinkled into field, carry out afterwards the conventional production management of millet, while finally results, detect each field millet Se content.
The table 6 millet pustulation period is implemented rich selenium result
| Field | Nanometer selenium plant nutrient agent amount of application (kg/ mu) | Millet Se content (μ g/kg) |
| 1 | 3 | 50.1 |
| 2 | 4 | 104 |
| 3 | 6 | 169 |
| 4 | 8 | 264 |
| 5 | 10 | 310 |
The above embodiment is only the preferred embodiment for absolutely proving that the present invention enumerates, and protection scope of the present invention is not limited to this.What those skilled in the art did on basis of the present invention is equal to alternative or conversion, all within protection scope of the present invention.
Claims (10)
1. a selenium-rich millet, the total Se content that it is characterized in that selenium-rich millet is 50-300 μ g/kg, organic selenium content ratio >=80% wherein.
2. the production method of selenium-rich millet according to claim 1, is characterized in that: in the process of growth of millet, will apply millet field containing selenium fertilizer, and carry out water and fertilizer management according to routine, results selenium-rich millet.
3. production method according to claim 2, is characterized in that: described be millet sowing containing selenium fertilizer fertilization time before, when sowing, tillering stage, shooting stage, booting stage or Early filling stage.
4. production method according to claim 3, is characterized in that: described is nanometer selenium plant nutrient agent containing selenium fertilizer.
5. production method according to claim 4, is characterized in that: described fertilization time is before millet sowing time, and the usage amount of nanometer selenium plant nutrient agent is 1-7kg/ mu; When millet sowing, the usage amount of nanometer selenium plant nutrient agent is 1-7kg/ mu; Millet tillering stage, the usage amount of nanometer selenium plant nutrient agent is 1-8kg/ mu; The millet shooting stage, the usage amount of nanometer selenium plant nutrient agent is 2-8kg/ mu; Millet booting stage, the usage amount of nanometer selenium plant nutrient agent is 2-10kg/ mu; Millet Early filling stage, the usage amount of nanometer selenium plant nutrient agent is 3-10kg/ mu.
6. production method according to claim 5, is characterized in that: before described sowing, implement, the usage amount of nanometer selenium plant nutrient agent is 2-5kg/ mu; When millet sowing, implement, the usage amount of nanometer selenium plant nutrient agent is 2-5kg/ mu; When millet is implemented tillering stage, the usage amount of nanometer selenium plant nutrient agent is 2-6kg/ mu; The millet shooting stage implements, and the usage amount of nanometer selenium plant nutrient agent is 3-7kg/ mu; Millet is implemented booting stage, and the usage amount of nanometer selenium plant nutrient agent is 4-8kg/ mu; Millet grouting is implemented early stage, and the usage amount of nanometer selenium plant nutrient agent is 4-8kg/ mu.
7. according to the production method described in claim 4 to 6 any one, it is characterized in that: described nanometer selenium plant nutrient agent is evenly sprinkled into separately to field or mix with conventional fertilizer after use.
8. production method according to claim 2, is characterized in that: be evenly sprinkled into field described containing after selenium fertilizer fully mixes according to the ratio of 5 ︰ 1 with quicklime.
9. production method according to claim 2, is characterized in that: containing after selenium fertilizer fully mixes in 1 ︰ 2 ratios with field soil, be evenly sprinkled into field by described.
10. production method according to claim 9, is characterized in that: described field soil water content is 8%-13%.
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| CN104429274A (en) * | 2014-12-24 | 2015-03-25 | 镇江市官塘生态农业有限公司 | Method for producing selenium-rich juicy peaches |
| CN107135761A (en) * | 2017-04-17 | 2017-09-08 | 山西莲芯硒美农业科技开发有限公司 | A kind of production method of selenium-rich millet |
| CN107371531A (en) * | 2017-08-31 | 2017-11-24 | 洋县永辉农业产业发展有限公司 | The implantation methods of anthocyanin in a kind of raising Fructus Zizaniae caduciflorae |
| CN114711112A (en) * | 2022-04-18 | 2022-07-08 | 江南大学 | Method for increasing tillering to improve yield of selenium-rich rice |
| CN114982573A (en) * | 2022-07-18 | 2022-09-02 | 山西丰谷源农业开发有限公司 | Planting method of dry farming selenium-rich black millet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104429274A (en) * | 2014-12-24 | 2015-03-25 | 镇江市官塘生态农业有限公司 | Method for producing selenium-rich juicy peaches |
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| CN107371531A (en) * | 2017-08-31 | 2017-11-24 | 洋县永辉农业产业发展有限公司 | The implantation methods of anthocyanin in a kind of raising Fructus Zizaniae caduciflorae |
| CN114711112A (en) * | 2022-04-18 | 2022-07-08 | 江南大学 | Method for increasing tillering to improve yield of selenium-rich rice |
| CN114982573A (en) * | 2022-07-18 | 2022-09-02 | 山西丰谷源农业开发有限公司 | Planting method of dry farming selenium-rich black millet |
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Application publication date: 20140625 |