CN107172903A - A kind of selenium-rich soil improvement and the method for production organic Se-rich rice - Google Patents
A kind of selenium-rich soil improvement and the method for production organic Se-rich rice Download PDFInfo
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- CN107172903A CN107172903A CN201710360115.5A CN201710360115A CN107172903A CN 107172903 A CN107172903 A CN 107172903A CN 201710360115 A CN201710360115 A CN 201710360115A CN 107172903 A CN107172903 A CN 107172903A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
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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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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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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Abstract
The invention discloses a kind of improvement of selenium-rich soil and the method for production organic Se-rich rice, it belongs to selenium-rich rice culture technique field.Described selenium-rich soil improvement and the method for production selenium-rich rice：Step 1: selenium-rich soil plants Chinese milk vetch；Step 2: the improvement of selenium-rich soil；Step 3: the selection kind strong to selenium absorbability carries out nursery；Step 4: manufacture organic fertilizer；Step 5: applying organic manure；It is a kind of important way that selenium resources circulation is recycled because Chinese milk vetch and the Radix Astragali are strong to the absorbability of selenium, therefore is used as using it raw material of organic fertilizer.One is that selenium resource is recycled, and two be the organic matter for improving soil, improves the content of soil Organic Selenium.Demand of the growth period duration of rice to selenium is ensure that, the selenium-rich rice Se content produced is significantly improved.
Description
Technical field：
The present invention relates to a kind of improvement of selenium-rich soil and the method for production organic Se-rich rice, belong to selenium-rich rice culture skill
Art field.
Background technology：
Selenium is one kind trace element needed by human, and is the natural antidote of part heavy metal element, but now
The purpose of selenium-supply can just be reached by diet usually.By eat rice selenium-supply oneself be acknowledged as the world today most directly, have
Effect, economic, safety selenium-supply approach.The security quality that consumer pursues pollution-free food is not only met by eating selenium-rich rice
It is required that, anti-cancer ability can also be strengthened, immunocompetence is improved.
Selenium participates in a variety of selenoenzymes and Selenonic protein in synthesized human, improves human immunity, promotes the propagation of lymphocyte
And the synthesis of antibody and immunoglobulin.And there is the significant effect for suppressing and protecting to kinds cancer, it is in body
Mesostate methyl enol has stronger active anticancer.Meanwhile, selenium has the effect for mitigating and alleviating heavy metal toxicity.
Human body, which is chronically at selenium deficiency state, can cause a variety of diseases to occur, and the various health products in daily life for selenium-supply are because of valency
Lattice are high, make us hanging back.But reach that the method for se complementary effect is no doubt best by diet.By in selenium-rich
Elite crop variety is planted in area, and scientific management plantation is carried out fully according to Standardized cultural technique, finally by mechanization plus
Work, obtains the selenium-rich product of high-quality.
Rice is as one of most important food source of human diet, by the plantation and management of science and the selenium-rich that obtains is big
Rice can solve the problems, such as the selenium deficiency of selenium deficiency crowd in normal diet.Prevent due to the various diseases that selenium deficiency triggers.
Selenium-rich rice meets people's consumption demand, and nice green production is eaten less with the continuous improvement of people's living standards, eating
Product turn into the consumption main flow of people, and rice is the staple food of Chinese, and the market of general rice is more and more narrow, and selenium-rich rice is with product
The enhancing for deep and people's health care consciousness that board is promoted increasingly will be favored by people, and production selenium-rich rice is the need of market comsupton
Will.Natural selenium-rich food is a kind of natural health care, according to investigations, selenium-rich product extensive market, and supply falls short of demand for product, Japan,
The states such as the U.S., Southeast Asia are in rising trend to the demand of selenium-rich product.At home, with understanding of the people to selenium, selenium-enriched food
Demand will constantly increase, if being calculated by monthly 5 kilograms of selenium-rich rices are consumed per capita, safe and comfortable whole year will consume selenium-rich rice 180,000
Ton.But, current selenium-enriched food exploitation is less, far from the demand for meeting people, therefore, makes full use of natural selenium-rich soil
Resources advantage, develops selenium-rich rice, has very much market prospects.Rice is one of important staple food of China resident, people's daily life
It is essential.
Beiliu City is the advanced county of Guangxi grain-production, and Per Unit Area Grain Yield is located at whole district prostatitis.Beiliu City is located on the south the tropic of cancer,
Belong to typical subtropical monsoon climate, abundant rainfall, illumination is sufficient, and soil is fertile, aboundresources.Domestic explored kaolin
100,000,000 tons or so of oil in place, exposes 1,500,000,000 tons or so of the lime stone oil in place of earth's surface, with exposing the clay (cement use) of earth's surface
Billion cubic meter of matter reserves 1 or so.Belong to subtropical monsoon climate, influenceed significantly by monsoon, sun direct projection all occurs in Summer Solstice entire area of Japan
Existing natural resources is as within the border with the flat Tianshan Mountains (1158 meters of height above sea level) of the middle and south for boundary, average temperature of the whole year is southern 22.6 DEG C.
Substantially, air, soil and water resource pollute Beiliu City Xin Rong towns Agricultural resources information without industrial and mining enterprises, Producing Area Soil
Type is clayey soil, and soil soil parent material is saprolite and outwash, and P in soil H values are 6.0, and soil organic matter content is
36.6g/kg, soil cadmium content is 0.15mg/kg, and soil Se content is 0.66mg/kg；Irrigation water water source is mountain spring water, agriculture
Field water resource infrastructure builds perfect, and land resource is sufficient.Particularly soil Se content is high, and 1.2 ten thousand is per mu for the soil of selenium-rich in flakes
Earth cultural area.
It is economical excellent for natural advantage is changed into but the soil of selenium-rich differs and surely produces natural Se-rich farm products
Gesture, helps agriculture increasing both production and income, improves the fitness and the general level of the health of consumer, is badly in need of a kind of easy to operate in production, production
The natural selenium-rich rice of quality safety and a kind of method of organic rice.
The content of the invention：
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide one kind in selenium-rich soil area, producing true
The method of positive natural selenium-rich rice.
The selenium-rich soil improvement of the present invention and the method for production organic Se-rich rice are：Step 1: selenium-rich soil plantation is purple
Yun Ying, Chinese milk vetch is important Organic Fertilizer Resources, is also the main winter green manure crop in rice field, for improved soil, fosters and apply fertilizer
Soil fertility, improving grain yield plays the role of important, selection selenium-rich soil, and Se content is more than the preferable field of 0.5mg/kg drainings
Block, in the winter time December, sows green manuring Chinese milk vetch, requires to carry out field management, Chinese milk vetch according to Chinese milk vetch cultivation technique
Absorbability to selenium is strong, and harvested Chinese milk vetch Se content is high, is made one that organic fertilizer is rice absorbing external source Organic Selenium
Effective way, Chinese milk vetch is gathered in March in Second Year；
Step 2: the improvement of selenium-rich soil, the field of Chinese milk vetch is planted after deep ploughing, water is stayed to 0.5-1cm in field, with enduring
Close liquid calcium and soil improvement microbial inoculum carries out soil improvement, boil together liquid calcium, and calcium content is 200g/L, every mu of consumption 5L, soil
150ml/ bottles of microbial inoculum standard specification is improved, described soil improvement microbial inoculum is microorganism compound probiotic, effective viable bacteria, higher than 2
Hundred million/gram, organic protein is up to 70 ﹪, rich in small molecular proteins such as vegetalitas lactic acid bacteria, tannic acid, amino acid, peptide, peptones and largely
B family vitamin, 2-3 bottles of mu consumption, will boil together liquid calcium and soil improvement microbial inoculum is watered uniform unreasonable like a shrew into soil, selenium-rich soil
Improvement can be such that soil beneficial bacterium breeds rapidly, increase profitable strain quantity, improve chitinase content, activate soil layer, break
Antagonism and the invalid state selenium element of increase between each element are easy to absorption of the rice root to selenium element to Available Selenium cycling of elements
And conversion；
Step 3: the selection kind strong to selenium absorbability carries out nursery, different rice varieties are for the selenium member in soil
There is the significance difference opposite sex in the accumulation ability of element, paddy rice is non-poly- selenium plant, poor for the accumulation ability of selenium, causes the soil of selenium-rich
Earth, which differs, surely produces the rice of selenium-rich, therefore selection stable yield, to the kind of Se content Vapor recovery unit, by carrying out not
Compared with variety culture, grand fragrant 31, H two excellent 6839, fragrant No. 88 of good fortune has very strong absorbability to Se content, therefore selects grand
31, H of perfume two excellent 6839, fragrant No. 88 of good fortune carries out breeding as cultivation kind using seedling-cultivation plate mode, enters according to local production management
Row seedling；
Step 4: manufacturing organic fertilizer, specific preparation process is：4-1, raw material are well mixed, by what is harvested in step one
Chinese milk vetch is prescinded as 3-5 centimetres, and it is 50-60% to account for weight ratio, and Radix Astragali stalk leaf is crushed, and it is 8-10%, soy sauce grain to account for weight ratio
10-15%, silkworm excrement 5-8%, pigeon dung 6-10%, yellow humic acid 8-10%；4-2, regulation PH and water content, will after being well mixed
PH value is adjusted to 6~7.5, and moisture is controlled 30%~50%；4-3, inoculation, uniformly mixing is sprayed at after microbial inoculum is diluted
On material；Selection leavening, beneficial bacterial content >=5,000,000,000/gram, usage amount：Every 1000 kilograms of fermentates add 2kg liquid fermentations
Agent；4-4, fermentation, the material after inoculation are deposited in fermentation canopy, heap is wide 2 meters -2.2 meters, and the high 80-90cm of heap, length is not limited；
Fermentation time 10-15 days；
Step 5: applying organic manure, before paddy rice progress rice transplanting link is crossed, after water 1-2cm on rice field, by every mu of rice
Field 100-135kg consumptions uniformly spread fertilizer over the fields organic fertilizer agent in rice field；Turned over again by rooter, it is uniformly distributed in rice field
In soil；The rice shoot that step 3 is educated finally is inserted, at initial stage of earing, foliage-spray organosilicon promotes rice root to Selenium in Soil member
The absorption and conversion of element, harvest obtains selenium-rich rice after paddy rice is ripe, and paddy obtains selenium-rich rice after husk rice, its Se content
0.15mg/kg can be exceeded.
Beneficial effects of the present invention：It is that selenium resources circulation is recycled because Chinese milk vetch and the Radix Astragali are strong to the absorbability of selenium
A kind of important way, therefore be used as using it raw material of organic fertilizer.One is that selenium resource is recycled, and two be to improve soil
The organic matter of earth, improves the content of soil Organic Selenium.Demand of the growth period duration of rice to selenium is ensure that, makes the selenium-rich produced big
Rice Se content is significantly improved.Foliage-spray organosilicon, can play a part of increasing silicon rising selenium, selenium-rich soil improvement can be by
The selenium of invalid state in selenium-rich soil is converted into the selenium of available state, and can effectively improve the content of soil Organic Selenium, leads to
Rice root absorption is crossed, is enriched in sub- seed, natural selenium-rich rice can be produced.Meet the natural selenium-rich rice of production
The standard of country's issue.The method is with low cost, easy to operate, can be widely applied to the production of district rich in selenium natural selenium-rich rice
During.
Brief description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is influence figure of the different tests processing to rice content in the embodiment of the present invention.
Embodiment：
Invention is described in further detail using following technical scheme and embodiment for present embodiment.
Selenium-rich soil described in present embodiment is improved and the method for production selenium-rich rice is：Step 1: selenium-rich
Soil plants Chinese milk vetch, and Chinese milk vetch is important Organic Fertilizer Resources, is also the main winter green manure crop in rice field, for improvement
Soil, culture fertility, improving grain yield plays the role of important, selection selenium-rich soil, and Se content is more than 0.5mg/kg drainings
Preferable field, in the winter time December, sows green manuring Chinese milk vetch, requires to carry out field pipe according to Chinese milk vetch cultivation technique
Reason, Chinese milk vetch is strong to the absorbability of selenium, and harvested Chinese milk vetch Se content is high, and it is that rice absorbing external source is organic that organic fertilizer, which is made,
One effective way of selenium, Chinese milk vetch is gathered in March in Second Year；
Step 2: the improvement of selenium-rich soil, the field of Chinese milk vetch is planted after deep ploughing, water is stayed to 0.5-1cm in field, with enduring
Close liquid calcium and soil improvement microbial inoculum carries out soil improvement, boil together liquid calcium, and calcium content is 200g/L, every mu of consumption 5L, soil
150ml/ bottles of microbial inoculum standard specification is improved, described soil improvement microbial inoculum is microorganism compound probiotic, effective viable bacteria, higher than 2
Hundred million/gram, organic protein is up to 70 ﹪, rich in small molecular proteins such as vegetalitas lactic acid bacteria, tannic acid, amino acid, peptide, peptones and largely
B family vitamin, 2-3 bottles of mu consumption, will boil together liquid calcium and soil improvement microbial inoculum is watered uniform unreasonable like a shrew into soil, selenium-rich soil
Improvement can be such that soil beneficial bacterium breeds rapidly, increase profitable strain quantity, improve chitinase content, activate soil layer, break
Antagonism and the invalid state selenium element of increase between each element are easy to absorption of the rice root to selenium element to Available Selenium cycling of elements
And conversion；
Step 3: the selection kind strong to selenium absorbability carries out nursery, different rice varieties are for the selenium member in soil
There is the significance difference opposite sex in the accumulation ability of element, paddy rice is non-poly- selenium plant, poor for the accumulation ability of selenium, causes the soil of selenium-rich
Earth, which differs, surely produces the rice of selenium-rich, therefore selection stable yield, to the kind of Se content Vapor recovery unit, by carrying out not
Compared with variety culture, grand fragrant 31, H two excellent 6839, fragrant No. 88 of good fortune has very strong absorbability to Se content, therefore selects grand
31, H of perfume two excellent 6839, fragrant No. 88 of good fortune carries out breeding as cultivation kind using seedling-cultivation plate mode, enters according to local production management
Row seedling；
Step 4: manufacture organic fertilizer, Chinese milk vetch is prescinded as 3-5 centimetres, 600kg is weighed, Radix Astragali stalk leaf, which is crushed, accounts for weight
Ratio is 100kg, soy sauce grain 110kg, silkworm excrement 50kg, pigeon dung 60kg, yellow humic acid 80kg, adds up to 1000 kilograms, raw material mixing
Uniformly；After regulation PH and water content are well mixed, regulation PH is 7.2；Moisture control is in 45%, inoculation：Microbial inoculum is diluted
Uniformly it is sprayed at afterwards on mixed material；The fertile precious leavening of selection, beneficial bacterial content >=5,000,000,000/gram, usage amount：Every 1000 kilograms of hairs
Ferment thing adds 2kg liquid starters；Fermentation：Material after inoculation is deposited in fermentation canopy, wide 2 meters or so of heap, heap is high 80 lis
Rice or so, is advisable, length is not limited with easy to operate；Fermentation time 10-15 days；
Step 5: applying organic manure, before paddy rice progress rice transplanting link is crossed, after water 1-2cm on rice field, by every mu of rice
Field 100-135kg consumptions uniformly spread fertilizer over the fields organic fertilizer agent in rice field；Turned over again by rooter, it is uniformly distributed in rice field
In soil；Spray organosilicon in blade face during the rice shoot that step 3 is educated, paddy growth is finally inserted, at initial stage of earing, foliage-spray has
Machine silicon, promotes absorption and conversion of the rice root to soil selenium element, and harvest obtains selenium-rich rice, paddy warp after paddy rice is ripe
Selenium-rich rice is obtained after husk rice, its Se content can exceed 0.15mg/kg.
Embodiment
The 8-11 months in 2016, selenium-rich soil detection, detection knot are carried out before Yulin City of Guangxi Zhuang Autonomous Beiliu City Xin Rong towns, experiment
Fruit is 0.52mg/kg, reaches selenium-rich soil requirement, and experiment sets 4 processing, often handles 667 square metres, is repeated 3 times, totally 12 realities
Cell is tested, surrounding sets protection row.Experiment kind is H two excellent 6839, and good fortune is fragrant No. 88；
Handle the excellent 6839+ selenium-rich soils improvement+applying organic manures of 1 H two
Handle the fragrant No. 88+selenium-rich soil improvement+applying organic manure of 2 good fortune
Handle the excellent 6839+ blank controls of 3 H two
Handle the fragrant No. 88+blank control of 4 good fortune
Experimental method：Selenium-rich soil is improved, and plants the field of Chinese milk vetch after deep ploughing, water is stayed to 0.5-1cm in field, with enduring
Close liquid calcium and soil improvement microbial inoculum carries out soil improvement, boil together liquid calcium, and calcium content is 200g/L, every mu of consumption 5L, soil
Improve 150ml/ bottle of microbial inoculum specification, 2-3 bottle of mu consumption, will boil together liquid calcium and soil improvement microbial inoculum be watered it is uniformly unreasonable like a shrew to soil
In, after water 1-2cm on rice field, organic fertilizer agent is uniformly spread fertilizer over the fields in rice field by every mu of rice field 100-135kg consumption；Pass through again
Rooter is turned over, and it is uniformly distributed in paddy soil；Last rice transplanting；Control group：Routine Management, changes without selenium-rich soil
Good dose of applying organic manure, other management are consistent with treatment group.
Harvest obtains selenium-rich rice after paddy rice is ripe, and paddy obtains selenium-rich rice after husk rice, and sample presentation is detected, inspection
Survey result and see that Fig. 1, Fig. 1 are influence figure of the different tests processing to rice content, conclusion (of pressure testing)：As seen from the experiment, handle
Group 1 and the Se content of processing 2 are more than 0.15mg/kg, reach selenium-rich rice standard processing 3 and processing 4 close to up to standard.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of selenium-rich soil improvement and the method for production organic Se-rich rice, it is characterised in that：Described selenium-rich soil improvement
And the method for production selenium-rich rice：Step 1: selenium-rich soil plants Chinese milk vetch, Chinese milk vetch is important Organic Fertilizer Resources,
It is the main winter green manure crop in rice field, for improved soil, culture fertility, improving grain yield plays the role of important, choosing
Selenium-rich soil is selected, Se content is more than the preferable field of 0.5mg/kg drainings, in the winter time December, sows green manuring Chinese milk vetch,
Require to carry out field management according to Chinese milk vetch cultivation technique, Chinese milk vetch is strong to the absorbability of selenium, and harvested Chinese milk vetch selenium contains
Amount is high, the effective way that organic fertilizer is rice absorbing external source Organic Selenium is made, Chinese milk vetch is gathered in March in Second Year；
Step 2: the improvement of selenium-rich soil, plants the field of Chinese milk vetch after deep ploughing, field stays water to 0.5-1cm, uses liquid boiling together
Body calcium and soil improvement microbial inoculum carry out soil improvement, and boil together liquid calcium, and calcium content is 200g/L, every mu of consumption 5L, soil improvement
150ml/ bottles of microbial inoculum standard specification, described soil improvement microbial inoculum is microorganism compound probiotic, effective viable bacteria, higher than 200,000,000/
Gram, organic protein is up to 70 ﹪, rich in the small molecular proteins such as vegetalitas lactic acid bacteria, tannic acid, amino acid, peptide, peptone and a large amount of B races
Vitamin, 2-3 bottles of mu consumption, will boil together liquid calcium and soil improvement microbial inoculum is watered uniform unreasonable like a shrew into soil, and selenium-rich soil changes
It is good that soil beneficial bacterium can be made to breed rapidly, increase profitable strain quantity, improve chitinase content, activate soil layer, break each
Antagonism between element and increase invalid state selenium element to Available Selenium cycling of elements, be easy to rice root to the absorption of selenium element and
Conversion；
Step 3: the selection kind strong to selenium absorbability carries out nursery, different rice varieties are for the selenium element in soil
There is the significance difference opposite sex in accumulation ability, paddy rice is non-poly- selenium plant, poor for the accumulation ability of selenium, causes the soil of selenium-rich not
One surely produces the rice of selenium-rich, therefore selection stable yield, to the kind of Se content Vapor recovery unit, by carrying out different product
Plant cultivation to compare, grand fragrant 31, H two excellent 6839, fragrant No. 88 of good fortune has Se content very strong absorbability, therefore the grand perfume (or spice) of selection
31, H two excellent 6839, fragrant No. 88 of good fortune carries out breeding as cultivation kind using seedling-cultivation plate mode, is carried out according to local production management
Seedling；
Step 4: manufacturing organic fertilizer, specific preparation process is：(4-1), raw material are well mixed, by the purple harvested in step one
Yun Ying is prescinded as 3-5 centimetres, and it is 50-60% to account for weight ratio, and Radix Astragali stalk leaf is crushed, and it is 8-10%, soy sauce grain 10- to account for weight ratio
15%, silkworm excrement 5-8%, pigeon dung 6-10%, yellow humic acid 8-10%；(4-2), regulation PH and water content, after being well mixed, by PH
Value is adjusted to 6~7.5, and moisture is controlled 30%~50%；(4-3), inoculation, uniformly mixing is sprayed at after microbial inoculum is diluted
On material；Selection leavening, beneficial bacterial content >=5,000,000,000/gram, usage amount：Every 1000 kilograms of fermentates add 2kg liquid fermentations
Agent；(4-4), fermentation, the material after inoculation is deposited in fermentation canopy, heap is wide 2 meters -2.2 meters, the high 80-90cm of heap, and length is not
Limit；Fermentation time 10-15 days；
Step 5: applying organic manure, before paddy rice progress rice transplanting link is crossed, after water 1-2cm on rice field, by every mu of rice field
100-135kg consumptions uniformly spread fertilizer over the fields organic fertilizer agent in rice field；Turned over again by rooter, it is uniformly distributed in paddy soils
In earth；The rice shoot that step 3 is educated finally is inserted, at initial stage of earing, foliage-spray organosilicon promotes rice root to soil selenium element
Absorption and conversion, harvest obtains selenium-rich rice after paddy rice is ripe, and paddy obtains selenium-rich rice after husk rice, and its Se content can
More than 0.15mg/kg.
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| CN112544376A (en) * | 2020-12-01 | 2021-03-26 | 李有志 | Rice cultivation method using chitin beta-glucan and selenium-enriched rice |
| CN112790080A (en) * | 2020-12-31 | 2021-05-14 | 广东海纳肥业有限公司 | Iron-enriching method for rice |
| CN113854072A (en) * | 2021-09-17 | 2021-12-31 | 湖北欣援现代农业发展有限公司 | Planting method of selenium-rich rice |
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| CN112790080A (en) * | 2020-12-31 | 2021-05-14 | 广东海纳肥业有限公司 | Iron-enriching method for rice |
| CN113854072A (en) * | 2021-09-17 | 2021-12-31 | 湖北欣援现代农业发展有限公司 | Planting method of selenium-rich rice |
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