CN102531768A - Selenium-enriched seedling raising matrix for cultivating organic selenium-enriched rice - Google Patents
Selenium-enriched seedling raising matrix for cultivating organic selenium-enriched rice Download PDFInfo
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- CN102531768A CN102531768A CN2011103970519A CN201110397051A CN102531768A CN 102531768 A CN102531768 A CN 102531768A CN 2011103970519 A CN2011103970519 A CN 2011103970519A CN 201110397051 A CN201110397051 A CN 201110397051A CN 102531768 A CN102531768 A CN 102531768A
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Abstract
The invention discloses a selenium-enriched seedling raising matrix for cultivating organic selenium-enriched rice, which is characterized in that selenium-contained Linum usitatissimum cake is used as a selenium source to prepare the selenium-enriched seedling raising matrix, and the matrix contains the following materials: 3-5 parts of selenium-contained Linum usitatissimum cake, 4-6 parts of vermiculite and 1-3 parts of weathered coal. The production method of selenium-enriched rice provided by the invention is simple to operate, reduces labor intensity and labor cost of rice production, and provides sufficient selenium source for rice from germination and seedling raising of rice, so that rice can absorb the selenium source from soil and converts to organic selenium through photosynthesis, the proportion of organic selenium is higher, and organic selenium is more stable.
Description
Technical field
The present invention relates to seedling cultivation of rice matrix, specifically is a kind of rich selenium seedling medium of cultivating organic Se-rich rice paddy rice.
Background technology
Selenium is the essential trace element of humans and animals, is a kind of inhibitor, has to alleviate old and feeble effect, can eliminate multiple harmful radical, is called as oxidation resistant " gold partner " with the vitamin E synergy.Scarce selenium can cause body immunity to descend and the generation of Keshan disease, Kaschin-Beck disease, seriously lacks selenium and can take place like various disease conditions such as coronary heart disease, hemolytic anemia and liver cancer.At present, the crowd's number that lacks selenium in the worldwide is estimated 5,000 ten thousand to 100,000,000.
Though can take number of ways to mend selenium for poor selenium area, generally believe that the selenium of human body is mainly derived from food, it is more suitable that food is mended selenium.With respect to inorganic selenium, the biogenic organoselenium has advantages such as absorption rate height, toxic side effects be little, and plant selenium is superior to animal selenium.
Paddy rice is the staple food crop of China, is that the population of staple food accounts for 50% of country's total population with rice.But according to 30 province ,city and areas of China are investigated, except that Tree in Enshi of Hubei Province rice selenium content was higher, all the other geographic rice content all were lower than food selenium content lower bound threshold value 0.06mg/kg, belonged to low selenium rice.Therefore,, improve selenium content in the rice through suitable pathways, significant for the selemium nutrition that improves China resident.
The selemium nutrition that carries out the staple food crop through breeding or fertilizer is biological reinforced; Improve the selenium content of edible portion; Be to solve the important component part that crowd's selenium in the world wide is supported the food systems strategy of insufficiency of intake, and that fertilizer (agro-ecology nutritional fortification) is considered to the reinforcement of selenium etc. is more effective.The rice of cultivating through paddy rice selenium-enriching cultivation technology is a kind of natural selenium-rich rice; The selenium absorption of human body utilization ratio of this organic is high; Overcome the deficiency of nutrition-enhanced rice; And avoided the biological safety problem arguement of transgenic rice, thereby develop this new function rice of rice rich in selenium through this approach boundless application prospect will be arranged, and the selemium nutrition deficiency of improving the people is had realistic meanings.
At present, it mainly is the method through foliage-spray that the fertilizer of domestic production selenium-rich rice is used, and promptly foliage-spray contains the selenium-rich agent of inorganic selenium in the Rice Production process.As disclose among the CN ZL200410009346.3 " a kind of cultivating method of Selenium rich rice " a kind of through foliage-spray by containing the method that selenium-rich agent that selenium mineral compound and phosphoric acid salt forms is cultivated Selenium rich rice.CN101228834A " a kind of working method of biological selenium-enriched nutrient rice " has proposed a kind of different times at paddy growth, sprays the mixed solution that is mixed and made into by RE microbial fertilizer, Sodium Selenite and BAS, to produce the method for selenium-rich nutritive rice.CN ZL01144575.0 " plant rich in selenium nutrition regulating agent " discloses a kind of sodium salt by selenic acid or selenous acid, sylvite, ammonium salt and 5 nitroguaiacol, 2,2, 4-dinitrophenol or pyrocatechol sodium salt, sylvite, the water prepn of ammonium salt preparation.CN ZL200610078710.1 " a kind of spraying " in selenium-enriched fertilizer of leaf and preparation method thereof provide a kind of contain selenium and with multiple beneficial such as nitrogen, phosphorus, potassium and the zinc of different ratios, magnesium, copper in the foliage fertilizer formulation formed such as trace element and preparation method thereof.
Above-mentioned patent all to adopt the method for foliage-spray inorganic selenium, its advantage to be that crop absorbs fast.But its shortcoming also clearly, and at first foliage-spray requires the fertile content of selenium than higher, is 4～25% like the content of the salt of selenic acid among the CN ZL01144575.0 " plant rich in selenium nutrition regulating agent " or selenous acid.The selenium fertilizer of high density has increased uses fertile cost; Secondly, because foliage-spray, selenium fertilizer is easy to unrestrained to the field, so just to the field runoff water with soil causes certain pollution and be very big waste; Once more, often cause the inorganic selenium residual quantity big, and inorganic selenium has tangible toxic action to body, security is lower.
Also there is patent to adopt base manure to use the mode that contains inorganic selenium and cultivates rice rich in selenium.Disclosing fertile (sodium selenate, Sodium Selenite or other selenate or the selenite) content of a kind of selenium like CN ZL02124833.8 " organic-inorganic compound selenium fertile and preparation method thereof " is that 0.1% ~ 0.4% organic-inorganic compound selenium is fertile.
Above-mentioned patent or technology all are with the selenium source of inorganic selenium (selenate or selenite) as paddy rice, therefore, need further to improve the working method of Selenium rich rice.
Summary of the invention
The objective of the invention is to provide a kind of rich selenium seedling medium of cultivating organic Se-rich rice paddy rice.
Technical solution of the present invention is:
A kind of rich selenium seedling medium of cultivating organic Se-rich rice paddy rice, process after mixing by following material and materials weight part ratio:
Contain selenium oil cake of flax seed 30 ~ 50,
Vermiculite 40 ~ 60,
Weathered coal 10 ~ 30.
Its application method is: sowing is broadcast 0.8 ~ 0.9 kilogram of bud kind with every square metre, 0.5 ~ 1 centimetre of lid seedling medium thickness.
Have in the preparation raw material of the rich selenium seedling medium described in the technique scheme full selenium content greater than 0.0015% contain the selenium oil cake of flax seed, and to contain the selenium oil cake of flax seed can be through farmers''s stack retting or behind industrial composting, use.
Beneficial effect of the present invention is:
(1) method of the rich selenium seedling medium of employing seedling; Produce the organic Se-rich paddy rice; Change leaf dressing in the past and produce the drawback of rice rich in selenium, and it is fertile no longer to use inorganic seleniums such as selenite, selenate, significantly reduces the environmental pollution that selenium fertilizer possibly cause; Turn waste into wealth simultaneously, reduced production cost.
(2) rich selenium seedling medium provided by the invention is identical with application process with the preparation of conventional seedbed system matrix, does not need special processing, has practiced thrift the labor force.And,, thereby making paddy rice can from soil, absorb and be converted into organoselenium through photosynthesis in the whole growth phase just always for paddy rice provides competent selenium source from the paddy rice beginning of growing seedlings of germinateing, the ratio of organoselenium is higher, and stablizes.
Embodiment
Below the beneficial effect introducing realization of the present invention and brought through embodiment, but protection domain of the present invention is not constituted any qualification.
Embodiment 1:
Field test place: Hui Xian town, Guangxi province lingui county,gui lin, middle fertility.Basic physical and chemical is seen table 1.
Table 1 supplies examination soil basic chemical property
The confession rice of trying the water: in wide fragrant No. one.
The cultivating method of present embodiment organic Se-rich paddy rice is seed selection, seedling, play field, rice transplanting, field management, harvesting.The seedling medium that seedling is used is rich selenium seedling medium.The rich selenium seedling medium of present embodiment is made up of the raw material of following parts by weight: batch production is become thoroughly decomposed and is contained 50 parts of selenium oil cake of flax seed, 40 parts of vermiculites, and 10 parts of weathered coals make according to conventional seedbed system matrix making method.
Sowing is broadcast 0.8 kilogram of bud kind with every square metre, 0.5 centimetre of lid seedling medium thickness.The fertilizer that field management is executed is that (phosphorus is (with P for organic matter 20%, purity nitrogen (N) 9% for rich selenium organic and inorganic fertilizer
2O
5Meter) 4%, potassium is (with K
2The O meter) 7%, selenium (in Se) 0.004%), the fertilizer application process is:
(1) uses for the first time: before rice transplantation, use 35 kilograms of rich selenium organic-inorganic dedicated fertilizers earlier and make base manure; Before broken upturned soil, evenly spreading fertilizer over the fields 15 kilograms of rich selenium organic-inorganic dedicated fertilizers after ploughing as leaven;
(2) use for the second time: before rice tillering is put the field latter stage, use rich selenium organic-inorganic dedicated fertilizer as topdressing, amount of application is 50 kilograms every mu;
Measure the total selenium content in the rice after the paddy rice ripe and harvested, measuring method is according to GB/T 22499-2008 " rich selenium paddy ".Measure the content of organoselenium and inorganic selenium simultaneously.
After detecting the paddy rice maturation, the total selenium content in every kilogram of rice is 0.18 ~ 0.024 milligram, and 0.21 milligram of average out to reaches the Selenium rich rice standard.Simultaneously, organic selenium content 84.2 ~ 88.5%.
It is special-purpose fertile only to use the rich selenium organic-inorganic of equal amts without seedling medium; The control treatment that fertilization time is identical with number of times; Rice after its results is through detecting, and the total selenium content in every kilogram of rice is 0.12 ~ 0.020 milligram, 0.16 milligram of average out to; Though reach the Selenium rich rice standard, organic selenium content 80.2 ~ 87.4%.This shows that using seedling medium of the present invention can effectively improve total selenium and organic selenium content in the rice grain.
Embodiment 2:
Present embodiment field test place: the Guanyang County Dong Jing of Guangxi province Guilin City town, the soil basic physical and chemical is seen table 2.
Table 2 supplies examination soil basic chemical property
The confession rice of trying the water: in wide fragrant No. one.
The cultivating method of present embodiment organic Se-rich paddy rice is seed selection, seedling, play field, rice transplanting, field management, harvesting.The seedling medium that seedling is used is rich selenium seedling medium, and sowing is broadcast 0.9 kilogram of bud kind with every square metre, 1 centimetre of lid kind of thickness.The fertilizer that field management is executed is that (phosphorus is (with P for this organic matter 20%, purity nitrogen (N) 11% for rich selenium organic and inorganic fertilizer
2O
5Meter) 5%, potassium is (with K
2The O meter) 9%, selenium (in Se) 0.003%):
The application process of the rich selenium organic and inorganic fertilizer of present embodiment is:
(1) uses for the first time: before rice transplantation, use 30 kilograms of rich selenium organic and inorganic fertilizers earlier and make base manure;
(2) use for the second time: 20 kilograms of rich selenium organic and inorganic fertilizers are evenly being spread fertilizer over the fields as leaven in the back of ploughing before broken upturned soil;
(3) use for the third time:, uses rice tillering rich selenium organic and inorganic fertilizer before putting the field latter stage as topdressing,
This special use is fertile in detecting: the weight percent of each component is: organic matter 20%, and purity nitrogen (N) 11%, phosphorus is (with P
2O
5Meter) 5%, potassium is (with K
2The O meter) 9%, selenium (in Se) 0.003%,
Measure the total selenium content in the rice after the paddy rice ripe and harvested, measuring method is according to GB/T 22499-2008 " rich selenium paddy ".Measure the content of organoselenium and inorganic selenium simultaneously.The result is:
Total selenium content in every kilogram of rice is 0.18 ~ 0.25 milligram, and 0.215 milligram of average out to reaches the Selenium rich rice standard.Simultaneously, organic selenium content 85.4 ~ 89.2%.
It is special-purpose fertile only to use the rich selenium organic-inorganic of equal amts without seedling medium, the control treatment that fertilization time is identical with number of times, and the rice after its results is through detecting; Total selenium content in every kilogram of rice is 0.15 ~ 0.23 milligram; 0.19 milligram of average out to, simultaneously, organic selenium content 83.1 ~ 86.7%.This shows that using the present invention can effectively improve total selenium and organic selenium content in the rice grain.
Claims (3)
1. rich selenium seedling medium of cultivating organic Se-rich rice paddy rice is characterized in that: processed after mixing by following material and materials weight part ratio:
Contain selenium oil cake of flax seed 3 ~ 5,
Vermiculite 4 ~ 6,
Weathered coal 1 ~ 3.
2. rich selenium seedling medium as claimed in claim 1 is characterized in that: the described full selenium content of selenium oil cake of flax seed that contains is greater than 0.0015%.
3. rich selenium seedling medium as claimed in claim 1 is characterized in that: described to contain the selenium oil cake of flax seed can be through farmers''s stack retting or behind industrial composting, use.
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Cited By (5)
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|---|---|---|---|---|
| CN103183568A (en) * | 2013-04-19 | 2013-07-03 | 吴庆旺 | Organic selenium-rich fertilizer and preparation method thereof |
| CN103964948A (en) * | 2014-04-23 | 2014-08-06 | 中国水稻研究所 | Special selenium-rich, soilless and organic seedling raising interstitial substance for paddy rice and production method thereof |
| CN104381067A (en) * | 2014-11-21 | 2015-03-04 | 安徽喜洋洋农业科技有限公司 | Organic selenium rice cultivation method |
| CN106718454A (en) * | 2016-12-31 | 2017-05-31 | 成都育芽科技有限公司 | A kind of implantation methods of selenium-rich rice |
| CN105130531B (en) * | 2015-07-31 | 2018-11-20 | 中国农业科学院农产品加工研究所 | A kind of compound organism organic selenium fertilizer and its preparation method and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183568A (en) * | 2013-04-19 | 2013-07-03 | 吴庆旺 | Organic selenium-rich fertilizer and preparation method thereof |
| CN103183568B (en) * | 2013-04-19 | 2015-06-03 | 吴庆旺 | Organic selenium-rich fertilizer and preparation method thereof |
| CN103964948A (en) * | 2014-04-23 | 2014-08-06 | 中国水稻研究所 | Special selenium-rich, soilless and organic seedling raising interstitial substance for paddy rice and production method thereof |
| CN103964948B (en) * | 2014-04-23 | 2016-01-13 | 中国水稻研究所 | The special rich selenium of a kind of paddy rice is without the organic seedling raising ground substance of soil and production method thereof |
| CN104381067A (en) * | 2014-11-21 | 2015-03-04 | 安徽喜洋洋农业科技有限公司 | Organic selenium rice cultivation method |
| CN105130531B (en) * | 2015-07-31 | 2018-11-20 | 中国农业科学院农产品加工研究所 | A kind of compound organism organic selenium fertilizer and its preparation method and application |
| CN106718454A (en) * | 2016-12-31 | 2017-05-31 | 成都育芽科技有限公司 | A kind of implantation methods of selenium-rich rice |
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| CN102531768B (en) | 2013-11-13 |
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Effective date of registration: 20151013 Address after: 750000 the Ningxia Hui Autonomous Region Yinchuan City Xixia District Huaiyuan Road No. 5 Kai Shuo languages No. 5 operating room Patentee after: Ningxia Xinyuan flax Trade Co., Ltd. Patentee after: Institute of Soil Science, Chinese Academy of Sciences Address before: 541002,, Guilin, Taoyuan tower, 12-13 tower, Guilin, China Patentee before: Guangxi Kanghua Agriculture Co., Ltd. Patentee before: Institute of Soil Science, Chinese Academy of Sciences |
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Effective date of registration: 20151225 Address after: Binyang County of Nanning City, 530409 the Guangxi Zhuang Autonomous Region Li Tang Zhen Li Ren Cun Wu highway 1572-1572 kilometers southeast Patentee after: GUANGXI HEXIANGRENJIAN MODERN AGRICULTURAL SCIENCE AND TECHNOLOGY CO., LTD. Patentee after: Institute of Soil Science, Chinese Academy of Sciences Address before: 750000 the Ningxia Hui Autonomous Region Yinchuan City Xixia District Huaiyuan Road No. 5 Kai Shuo languages No. 5 operating room Patentee before: Ningxia Xinyuan flax Trade Co., Ltd. Patentee before: Institute of Soil Science, Chinese Academy of Sciences |