CN106961974A - A kind of plantation of selenium-rich rice and production method - Google Patents
A kind of plantation of selenium-rich rice and production method Download PDFInfo
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- CN106961974A CN106961974A CN201710206017.6A CN201710206017A CN106961974A CN 106961974 A CN106961974 A CN 106961974A CN 201710206017 A CN201710206017 A CN 201710206017A CN 106961974 A CN106961974 A CN 106961974A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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Abstract
The invention discloses a kind of plantation of selenium-rich rice and production method, it is related to Farming technical field, selection Se content is cultivated in 0.5~1.0mg/kg selenium-rich soil, including implantation methods and production method, the implantation methods mainly include site preparation, seed selection seed soaking, seedling rice transplanting, field management, and the production method mainly includes harvesting, drying, raw grain cleaning, the husk rice of rice huller paddy, polishing color sorting, packaging；The field management process includes fertilising operation and weeding operation, and the fertilising operation includes throwing 5~7d after cultivation, per 667m2Apply 45% compound fertilizer dedicated to paddy 25kg and do tillering fertilizer, 3~5mg/L of boot stage foliage spray concentration organic selenium-rich fertilizer, 15d foliage spray concentration is 1~2mg/L organic selenium-rich fertilizer after heading.The rice that plant development comes out, yield is higher, moisture is moderate, agriculture is residual few, and Se content is stable and higher than general rice, up to 120~180 μ g/kg, and less than the hygienic μ g/kg of selenium limit standard 300 of state food.
Description
Technical field
The present invention relates to rice plantation and production technical field, the plantation of especially a kind of selenium-rich rice and production method.
Background technology
Selenium is the chemical element that Swiss chemists Berzelius had found first in 1817.By the World Health Organization
Confirm as one of organism essential nutrient element.Selenium is a kind of multi-functional nutrient, with removing interior free yl, is resisted
Lipid peroxidation metabolism, prevent aging, anti-cancer etc. act on.There are the population lives of 22 provinces and regions 72% in China in low selenium or selenium deficiency area,
Selenium deficiency or the excessive generation various disease conditions that can all make one are, it is necessary to supply Se scientific.
A part of arable soil of China detects that containing more rich selenium element these are ploughed for cultivating, and can plant
Go out selenium-enriched crop；And rice undoubtedly becomes the primary study pair of selenium-enriched crop as one of regional staple food of south China
One of as.Using natural selenium-rich production of environment selenium-rich rice, existing many reports in the country, but its stability is uncontrollable, exist with
Lower problem：1. paddy rice is very weak to the absorbability of selenium, selenium easily forms the form for being unfavorable for rice absorbing in water；2. natural cause
Uncontrollable, rainfall will excessively influence absorption of the paddy rice to selenium.Spray selenium is also one in selenium-rich rice planting process important
Link, if misoperation, can make the Se content of selenium-rich rice uneven, have height to have low, selenium is very few, and selenium-rich rice name is not secondary
Real, selenium is excessive, and people is known from experience and produces harmful effect.
The content of the invention
In view of the above-mentioned problems, the present invention provides plantation and the production method of a kind of selenium-rich rice.
A kind of plantation of selenium-rich rice and production method, selection selenium-rich soil are cultivated, including implantation methods and production
Method, the implantation methods mainly include site preparation, seed selection seed soaking, seedling rice transplanting, field management, and the production method mainly includes
Harvesting, drying, raw grain cleaning, the husk rice of rice huller paddy, polishing color sorting, packaging, select Se content in 0.5~1.0mg/kg selenium-rich soil
Cultivated；The site preparation process is whole for the first whole rear water of drought, per 667m before plowing2Apply 18~20kg of purity nitrogen, phosphorus pentoxide 6
~8kg, 1~2kg of zinc sulfate, 7~8kg of potassium oxide；The seed selection process is accounted for using Feng Youxiang educates serial two kinds of stalk with force
Mixture, mixed ratio is that Feng Youxiang accounts for 30~40%, and force educates stalk series and accounts for 60%~70%；The seed soaking process uses biogas slurry
Seed soaking, before seed soaking, first dries 1~2d by the seed chosen, then loads in the preferable woven bag of gas permeability seed, reserve
Certain space, and sack is tightened, then will be equipped with the woven bag of seed the methane-generating pit discharge room of normal gas producing is hung in rope
Soaked seed 20~30h in the feed liquid of middle part, then takes out woven bag, drains biogas slurry, then seed is taken out clean, dries the surface of the seed
Moisture；The seedling is carried out using matrix bowl, and matrix is drenched before sabot with clean water, and seedbed water is carried out using micro- spray mode
It is in charge of reason, after planting timely earthing overlay film；Sowing is to a leaf phase heat and moisture preserving, and temperature in the shed opens the ventilation of film corner more than 35 DEG C
Cooling；One leaf phase temperature control is incubated, and temperature in the shed is controlled at 25 DEG C；Two leaf stage and the control of tri-leaf period temperature in the shed are in 20 DEG C, three leaves
Hardening is carried out after phase, is opened film daytime, by membrane cover, take off film in the evening completely after 2d；The rice transplanting process will accomplish rice shoot row
Directly, cave is equal, the depth is consistent, and timely supplementary irrigation water, reaches the degree for not revealing mud after rice transplanting；The field management process includes fertilising and made
Industry and weeding operation, the fertilising operation include throwing 5~7d after cultivation, per 667m245% compound fertilizer dedicated to paddy 25kg is applied to divide
Fetilizer for tillering, 3~5mg/L of boot stage foliage spray concentration organic selenium-rich fertilizer, 15d foliage spray concentration is 1~2mg/L after heading
Organic selenium-rich fertilizer；The weeding operation includes rice-duck farming and artificial weeding, and artificial weeding is respectively in tiller early stage, tiller
Middle and later periods and heading later stage；90%~95% paddy is gathered in when fully ripe, and harvesting is cut off the water supply for first 5~7 days；Using machinery receipts
Cut and dried with Tu Chang, hulling machine roll clearance is 0.7mm；Flow is controlled in 1800~2000kg/h；Rice mill is gently ground using multistage, in
Spraying humidifier is set above intercaste rice mill feed bin, moistening adjustment is carried out to rice.
Further, during the seed soaking, each woven bag loads 15~20kg of seed；The methane-generating pit is selected with pig
Excrement is the methane-generating pit of main fermentation raw material.
Further, the foliage spray organic selenium-rich fertilizer uses the centralized and unified sprinkling of atomizing sprayer；In boot stage blade face spray
Appropriate boron copper-manganese compound trace element fertilizer is added in the organic selenium-rich fertilizer spilt, its concentration is controlled in 2~3mg/L；Foliage spray organic Se-rich
The selection of time of fertilizer is carried out after cloudy day or at 4 points in fine day afternoon；If heavy rain in three hours, rain sprays once again after stopping.
Beneficial effects of the present invention：The rice that plant development comes out, yield is higher, moisture is moderate, agriculture is residual few, and Se content is steady
Determine and higher than general rice, up to 120~180 μ g/kg, and less than the hygienic μ g/kg of selenium limit standard 300 of state food；And essence
Rice rate is high, broken rice rate is low, it is ensured that selenium-rich rice output efficiency.
Embodiment
With reference to embodiment, the present invention is further detailed explanation.Embodiments of the invention are to show
Provided for the sake of example and description, and be not exhaustively or limit the invention to disclosed form.Many modifications and
Change is obvious for the ordinary skill in the art.Selection and description embodiment are to illustrate this in order to more preferable
The principle and practical application of invention, and make one of ordinary skill in the art it will be appreciated that the present invention is so as to design suitable for specific
The various embodiments with various modifications of purposes.
Embodiment 1
A kind of plantation of selenium-rich rice and production method, selection selenium-rich soil are cultivated, including implantation methods and production
Method, the implantation methods mainly include site preparation, seed selection seed soaking, seedling rice transplanting, field management, and the production method mainly includes
Harvesting, drying, raw grain cleaning, the husk rice of rice huller paddy, polishing color sorting, packaging.
Se content is selected to be cultivated in 0.5~1.0mg/kg selenium-rich soil in the present embodiment.Rice root, cauline leaf and
Se content in seed increases as selenium-rich soil Se content increases, and root system is presented in Se content height>Cauline leaf>The spy of seed
Rice bran is presented in point, each part Se content of rice grain>Polished rice>The characteristics of rice husk.Under the conditions of selenium-rich soil, rice root
Can from soil Enriching Selenium, the absorption coefficient of root system selenium is more than 1.86, and paddy rice is after soil absorption selenium, to turning for seed
Transport and accumulate then relative constancy.By test, Se content 0.5~1.0mg/kg selenium-rich soil and coordinate organic selenium-rich fertilizer
Spray, the selenium-rich rice of safety and Health can be produced, meet the need for human body is recommended to selenium by international selenium association and measure.
The site preparation process is whole for the first whole rear water of drought, per 667m before plowing2Apply 18~20kg of purity nitrogen, phosphorus pentoxide 6
~8kg, 1~2kg of zinc sulfate, 7~8kg of potassium oxide；The seed selection process is accounted for using Feng Youxiang educates serial two kinds of stalk with force
Mixture, mixed ratio is that Feng Youxiang accounts for 30~40%, and force educates stalk series and accounts for 60%~70%；The rice mixing of the two kinds,
The mouthfeel of fragrance that Feng Youxiang accounts for and Wu Yu stalks is combined, it is neither too hard, nor too soft, it is glutinous and oiliness.The seed soaking process is soaked using biogas slurry
Kind, before seed soaking, the seed chosen first is dried into 1~2d, then seed is loaded in the preferable woven bag of gas permeability, one is reserved
Fixed space, and sack is tightened, then will be equipped with the woven bag of seed and hung in rope in the methane-generating pit discharge room of normal gas producing
Soaked seed 20~30h in portion's feed liquid, then takes out woven bag, drains biogas slurry, then seed is taken out clean, dries the surface of the seed water
Point.Biogas slurry seed soaking seedling can significantly improve the germination percentage of paddy and the cold tolerance of rice shoot, with after planting taking root fast, Mao Qing
Early, the advantages of having grown.
The seedling is carried out using matrix bowl, and there is substrate seedling no weed in seedbed to endanger, it is to avoid soil infects disease,
Pollution is reduced, seedling is strengthened beneficial to cultivating.Matrix is drenched before sabot with clean water, and seedbed water management is carried out using micro- spray mode,
After planting timely earthing overlay film；Sowing is to a leaf phase heat and moisture preserving, and it is aeration-cooling that temperature in the shed opens film corner more than 35 DEG C；One
Leaf phase temperature control is incubated, and temperature in the shed is controlled at 25 DEG C；Two leaf stage and the control of tri-leaf period temperature in the shed are carried out at 20 DEG C after tri-leaf period
Hardening, daytime opens film, and by membrane cover, take off film in the evening completely after 2d；The rice transplanting process will accomplish that rice shoot row is straight, cave,
The depth is consistent, and timely supplementary irrigation water, reaches the degree for not revealing mud after rice transplanting.
The field management process includes fertilising operation and weeding operation, and the fertilising operation includes throwing 5~7d after cultivation, often
667m2Apply 45% compound fertilizer dedicated to paddy 25kg and do tillering fertilizer, 3~5mg/L of boot stage foliage spray concentration organic selenium-rich fertilizer,
15d foliage spray concentration is 1~2mg/L organic selenium-rich fertilizer after heading；The weeding operation includes rice-duck farming and people
Work weeding, artificial weeding is respectively in tiller early stage, tiller middle and later periods and heading later stage.
90%~95% paddy is gathered in when fully ripe, and then paddy maturity is low too early, color rice is more, excessively slow then rice
Chalk increases in vain；Harvesting is cut off the water supply for preceding 5~7 days, and it is unsuitable too early to cut off the water supply, and prevents plant senesecence and the underproduction；Using mechanical harvesting and Tu Chang
Dry, stone roller is rolled is easily caused the increase of Cracked Rice rate with cement exposure, and head rice rate declines, and hulling machine roll clearance is
0.7mm；Flow is controlled in 1800~2000kg/h, and hulling machine flow is excessive, and broken rice rate will increase；Rice mill is using multistage light
Grind, reduce and spraying humidifier is set above broken rice rate, intergrade rice mill feed bin, moistening adjustment is carried out to rice, water is made up
Divide loss, overcome rice extexine moisture drastically to evaporate the internal stress of generation, reduce rice cracking, reduced from another aspect
Broken rice rate.
The rice that so plant development comes out, yield is higher, moisture is moderate, agriculture is residual few, and Se content is stable and higher than common
Rice, up to 120~180 μ g/kg, and less than the hygienic μ g/kg of selenium limit standard 300 of state food；And polished rice rate is high, broken rice rate
It is low, it is ensured that selenium-rich rice output efficiency.
During the seed soaking, each woven bag loads 15~20kg of seed；It is main that the methane-generating pit, which is selected using pig manure,
The methane-generating pit of fermentation raw material.
The foliage spray organic selenium-rich fertilizer uses the centralized and unified sprinkling of atomizing sprayer；In organic richness of boot stage foliage spray
Add appropriate boron copper-manganese compound trace element fertilizer in selenium fertilizer, the control of its concentration in 2~3mg/L, typically all it is not recommended that organic selenium-rich fertilizer and its
His fertilizer operation together, still, the present embodiment adds appropriate boron copper-manganese compound trace element fertilizer in organic selenium-rich fertilizer, can not only improve big
Rice Se content, and rice yield can be improved；The selection of time of foliage spray organic selenium-rich fertilizer is in cloudy day or fine day afternoon 4
Carried out after point, prevent that sunlight is too strong, cause moisture evaporation, influence the absorption of selenium element；If heavy rain in three hours, weight after rain stops
New sprinkling is once.
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, this area and the those of ordinary skill in the related art institute on the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of protection of the invention.
Claims (6)
1. plantation and the production method of a kind of selenium-rich rice, selection selenium-rich soil are cultivated, including implantation methods and producer
Method, the implantation methods mainly include site preparation, seed selection seed soaking, seedling rice transplanting, field management, and the production method mainly includes receiving
Cut, dry, raw grain cleaning, rice huller paddy husk rice, polishing color sorting, packaging, it is characterised in that：Se content is selected 0.5-1.0mg/kg's
Selenium-rich soil is cultivated；
The site preparation process is whole for the first whole rear water of drought, per 667m before plowing2Apply purity nitrogen 18-20kg, phosphorus pentoxide 6-8kg, sulphur
Sour zinc 1-2kg, potassium oxide 7-8kg；
The seed selection process is accounted for using Feng Youxiang educates the serial two kind mixtures of stalk with force, and mixed ratio is that Feng Youxiang accounts for 30-
40%, force educates stalk series and accounts for 60%-70%；The seed soaking process is soaked seed using biogas slurry, and before seed soaking, first the seed chosen dries in the air
1-2d is shone, then seed is loaded in the preferable woven bag of gas permeability, certain space is reserved, and sack is tightened, then will dress
Seed-bearing woven bag hangs in the 20-30h that soaked seed in the middle part of the methane-generating pit discharge room of normal gas producing in feed liquid with rope, then will braiding
Bag is taken out, and drains biogas slurry, then seed is taken out clean, dries the surface of the seed moisture；
The seedling is carried out using matrix bowl, and matrix is drenched before sabot with clean water, and seedbed water is carried out using micro- spray mode
It is in charge of reason, after planting timely earthing overlay film；Sowing is to a leaf phase heat and moisture preserving, and temperature in the shed opens the ventilation of film corner more than 35 DEG C
Cooling；One leaf phase temperature control is incubated, and temperature in the shed is controlled at 25 DEG C；Two leaf stage and the control of tri-leaf period temperature in the shed are in 20 DEG C, three leaves
Hardening is carried out after phase, is opened film daytime, by membrane cover, take off film in the evening completely after 2d；The rice transplanting process will accomplish rice shoot row
Directly, cave is equal, the depth is consistent, and timely supplementary irrigation water, reaches the degree for not revealing mud after rice transplanting；
The field management process includes fertilising operation and weeding operation, and the fertilising operation includes throwing 5-7d after cultivation, per 667m2
Apply 45% compound fertilizer dedicated to paddy 25kg and do tillering fertilizer, boot stage foliage spray concentration 3-5mg/L organic selenium-rich fertilizer, in heading
15d foliage spray concentration is 1-2mg/L organic selenium-rich fertilizer afterwards；The weeding operation includes rice-duck farming and artificial weeding,
Artificial weeding is respectively in tiller early stage, tiller middle and later periods and heading later stage；
90%-95% paddy is gathered in when fully ripe, is cut off the water supply within 5-7 days before harvesting；Dried using mechanical harvesting and Tu Chang, rice huller
Paddy machine roll clearance is 0.7mm；Flow is controlled in 1800-2000kg/h；Rice mill is gently ground using multistage, on intergrade rice mill feed bin
Side sets spraying humidifier, and moistening adjustment is carried out to rice.
2. plantation and the production method of selenium-rich rice according to claim 1, it is characterised in that：During the seed soaking,
Each woven bag loads seed 15-20kg.
3. plantation and the production method of selenium-rich rice according to claim 1, it is characterised in that：The methane-generating pit select with
Pig manure is the methane-generating pit of main fermentation raw material.
4. plantation and the production method of selenium-rich rice according to claim 1, it is characterised in that：The foliage spray is organic
Selenium-rich fertilizer uses the centralized and unified sprinkling of atomizing sprayer.
5. plantation and the production method of selenium-rich rice according to claim 1, it is characterised in that：In boot stage foliage spray
Organic selenium-rich fertilizer in add appropriate boron copper-manganese compound trace element fertilizer, its concentration is controlled in 2-3mg/L.
6. plantation and the production method of the selenium-rich rice according to claim 1,4 or 5 any one, it is characterised in that：Leaf
The selection of time of face sprinkling organic selenium-rich fertilizer is carried out after cloudy day or at 4 points in fine day afternoon；If heavy rain in three hours, after rain stops
Again spray once.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710206017.6A CN106961974A (en) | 2017-03-31 | 2017-03-31 | A kind of plantation of selenium-rich rice and production method |
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| CN201710206017.6A CN106961974A (en) | 2017-03-31 | 2017-03-31 | A kind of plantation of selenium-rich rice and production method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853109A (en) * | 2017-12-09 | 2018-03-30 | 刘雄 | The implantation methods of rice |
| CN108812122A (en) * | 2018-04-28 | 2018-11-16 | 四川绿康富硒农业科技有限公司 | A kind of how micro-nano organic selenium odor type rice breeding method |
| CN109220648A (en) * | 2018-07-27 | 2019-01-18 | 重庆市瑞远农业开发有限公司 | Improve the implantation methods of rice organic selenium content |
| CN109823544A (en) * | 2019-02-21 | 2019-05-31 | 颜送贵 | The micro- fertile pulvis unmanned plane of one kind applies selenium method |
| CN111450914A (en) * | 2020-04-24 | 2020-07-28 | 赣州谷神米业有限公司 | Rice processing is with smart device of grinding |
| CN114080959A (en) * | 2021-10-21 | 2022-02-25 | 舒城县农业科学研究所 | Organic selenium-rich rice cultivation method |
-
2017
- 2017-03-31 CN CN201710206017.6A patent/CN106961974A/en active Pending
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853109A (en) * | 2017-12-09 | 2018-03-30 | 刘雄 | The implantation methods of rice |
| CN108812122A (en) * | 2018-04-28 | 2018-11-16 | 四川绿康富硒农业科技有限公司 | A kind of how micro-nano organic selenium odor type rice breeding method |
| CN109220648A (en) * | 2018-07-27 | 2019-01-18 | 重庆市瑞远农业开发有限公司 | Improve the implantation methods of rice organic selenium content |
| CN109823544A (en) * | 2019-02-21 | 2019-05-31 | 颜送贵 | The micro- fertile pulvis unmanned plane of one kind applies selenium method |
| CN111450914A (en) * | 2020-04-24 | 2020-07-28 | 赣州谷神米业有限公司 | Rice processing is with smart device of grinding |
| CN114080959A (en) * | 2021-10-21 | 2022-02-25 | 舒城县农业科学研究所 | Organic selenium-rich rice cultivation method |
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