CN108283116A - A kind of cultural method of selenium-rich Characters of Giant Embryo Rice - Google Patents
A kind of cultural method of selenium-rich Characters of Giant Embryo Rice Download PDFInfo
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Abstract
The invention discloses a kind of cultural methods of selenium-rich Characters of Giant Embryo Rice, it is according to the characteristic of Characters of Giant Embryo Rice, using Characters of Giant Embryo Rice as selenium-enriching cultivation kind, pass through special formulation media, vernalization and method for culturing seedlings and special selenium application method, a novel selenium-enriched Characters of Giant Embryo Rice is cultivated, the Se content of gained selenium-rich Characters of Giant Embryo Rice is much higher than common Rice enriched-Se.
Description
Technical field
The present invention relates to a kind of cultural methods of selenium-rich Characters of Giant Embryo Rice, belong to rice cultivating method research field.
Background technology
Selenium is one of micronutrient element needed by human, studies have shown that selenium and anticancer, preventing angiocardiopathy etc. and having weight
It is related to.There may be malnutrition, blood hemolytic anemia, Kaschin-Beck disease, hypertension, ischemic heart disease, liver are hard for human body selenium deficiency
Change, pancreatitis, fibroma, cancer, myomata, not pregnant disease, diabetes, cataract etc..Rice is the staple food of China its people, contains selenium
The height of amount and human body selemium nutrition situation are closely related, and selenium-rich rice, the lasting selenium-supply of energy is eaten for a long time, and effect becomes apparent from.Therefore,
Selenium-rich rice is one of the optimal path of people's selenium-supply.And inquire into convenient and effect stability rice selenium-rich side in Rice Production
Method, the nutritive value to promoting rice are of great significance.Method in forefathers' research about crop selenium-rich is more, multinomial research
Show that Se content in long-grained nonglutinous rice can be improved in foliage-spray selenium fertilizer, as selenium fertilizer concentration increases, the Se content of different long-grained nonglutinous rice materials goes out
Existing rapid growth, but later stage speedup slows down so that and the Se content of selenium-enriched rice is difficult to increase substantially.
Characters of Giant Embryo Rice is a kind of high nutrition functional special rice, and the embryo of the more common rice of size of giant embryo rice embryo is 2-3 times big,
And not only contain abundant nutriment in rice embryo, such as vitamin, minerals, also contain the physiology that there is healthcare function to human body
Active material γ-aminobutyric acid（GABA）.Characters of Giant Embryo Rice is because embryo is big, rich in γ-aminobutyric acid and various nutriments by state
The attention of inside and outside Special Rices breeder.Simultaneously as Characters of Giant Embryo Rice embryo is 2-3 times of common rice, and selenium element is largely accumulated in
In rice embryo, the Se content of giant embryo rice may make to be higher than common rice.It such as uses Characters of Giant Embryo Rice as selenium-enriching cultivation kind, then uses
The cultural method for being suitble to Characters of Giant Embryo Rice selenium to absorb, can make the Se content of giant embryo rice be greatly enhanced, and be higher than common selenium-enriched rice.
Invention content
The purpose of the present invention is to provide a kind of cultural methods of selenium-rich Characters of Giant Embryo Rice to use according to the characteristic of Characters of Giant Embryo Rice
Characters of Giant Embryo Rice makes the Se content for the selenium-rich giant embryo rice produced be much higher than common Rice enriched-Se as selenium-enriching cultivation kind.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of cultural method of selenium-rich Characters of Giant Embryo Rice comprising following steps：
1）Rice seedling bed seedbed is carried out by 0.8-0.9 meters of width, the seedling medium of one layer of 3-4cm high is laid on seedbed, mixing is stirred
Add water after mixing uniformly, its water content is made to reach 72-75%, the decomposed processing of fermentation reactor system 70 days；
2）Giant embryo rice is dried 2.5 hours in 38 DEG C, takes out in rear chamber and places 2 hours, then put seed into 28-30 DEG C
During which seed soaking 48 hours in selenium-rich seed-soaking liquid continue to ventilate into seed-soaking liquid using air pump；
3）The seed soaked seed is drained, is wrapped with wet cloth, puts growth cabinet into, in 35-36 DEG C, humidity 80%-85%
Under the conditions of keep the temperature 26 hours, be then cooled to 30-33 DEG C, continue heat preservation 20 hours, then be cooled to 27-28 DEG C, continue heat preservation 20
After hour, stop vernalization, seed is put into bud 20-24 hour of drying in the air at room temperature, you can sows；
4）The seed handled well is uniformly sprinkling upon on the seedling medium in seedbed, every square metre of sowing quantity 0.4kg；By matrix and fine sand
By volume 1:For covering seed after 4 mixing, lid kind thickness is 1cm or so；Then 1 selenium-rich multipurpose is sprayed, until lid kind layer
It is drenched；Seedbed is covered with plastic film；
5）A nursery Selenium-rich nutrient solution is respectively sprayed after planting the 10th day and the 18th day；
6）Before rice transplanting, urea 2kg+P is applied in crop field per acre2O5 4kg+K2O 5kg are as base manure；Planting Densities are 1.6-1.7 ten thousand
Clump/mu, per Cong Miao number 2-3 seedlings, 21 × 28cm of seeding row spacing, field face will keep thin water layer when rice transplanting；10 days after rice transplanting, impose per acre
Urea 2kg sprays a selenium-rich liquid 1 as fetilizer for tillering；First 10 days of heading, imposes urea 2kg+ potassium chloride 5kg conducts per acre
Ear manuer, and spray a selenium-rich liquid 2；After Qi Sui the 6th day and the 12nd day to respectively spraying a selenium-rich liquid 3.
Step 1）Described in seedling medium by 27 parts by weight of expanded perlite granule, 5 parts by weight of rice bran, Cassava stalk consider to be worth doing 11 weights
Part, 7 parts by weight of pachyrhizus slag, 7 parts by weight of plant ash composition are measured, and the import 15-15-15 composite fertilizers of its total weight 0.3% are added,
The actinomyces solvent of total weight 2.5%, it is 1.2-1.3 × 10 to make effective active bacterial content in gained seedling medium8 U/g。
Step 2）Described in the preparation method of selenium-rich seed-soaking liquid be：600mg sodium selenates, 0.4kg five are added in 10kg water
Dithiocyano-methane aqueous solution, the 100mg vitamin Bs of diclophenac sodium fungicide, 2 milliliters of mass concentrations for 10%.
Step 4）Described in selenium-rich multipurpose be that sodium selenite 10g, 15wt% paclobutrazol 6g, potassium sulfate 40g, sulfuric acid is sub-
After iron 20g, zinc sulfate 20g, calcium sulfate 20g, copper sulphate 10g are stirred, in mass ratio 1: 180 be diluted with water it is obtained.
Step 5）Described in nursery Selenium-rich nutrient solution be by sodium selenate 12g, 15wt% paclobutrazol 1g, potassium sulfate 40g, sulfuric acid
After zinc 18g, calcium sulfate 25g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 1 be by sodium selenite 15g, potassium dihydrogen phosphate 20g, zinc sulfate 8g, calcium sulfate 10g
After being stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 2 be after being stirred sodium selenate 10g, potassium dihydrogen phosphate 10g, zinc sulfate 5g,
In mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 3 be by sodium selenite 12g, monohydrate potassium 15g, potassium chloride 8g, di(2-ethylhexyl)phosphate
After hydrogen potassium 8g, zinc sulfate 5g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
The giant embryo rice varieties are that good fortune is No. 1 huge, good fortune is No. 2 huge, good fortune is No. 4 huge, TgeB or 1813geB.Wherein, good fortune used huge 1
Number, good fortune is No. 2 huge, huge No. 4 of good fortune is high yield, the high nutrition special type rice varieties selected by crop institute of University Of Agriculture and Forestry In Fujian,
Apply for Ministry of Agriculture's New species right in plant registration（Huge No. 1 notification number of No. 1 good fortune of giant embryo is：CNA016100E, huge No. 2 public affairs of No. 2 good fortune of giant embryo
It accuses and number is：CNA016101E, huge No. 4 notification numbers of No. 4 good fortune of giant embryo are：CNA016102E）.
Advantageous effect：
（1）The rice embryo of Characters of Giant Embryo Rice is 2-3 times of common rice, and it is all to be accumulated in rice embryo that selenium element is most of, and the present invention uses
Characters of Giant Embryo Rice is used as selenium-enriching cultivation kind, and the Se content of gained giant embryo rice can be made to be much higher than common rice.
（2）For Characters of Giant Embryo Rice because embryo is big, germination percentage, planting percent are below common rice.The Nutrition Soil that the present invention uses is matched
Side, germination accelerating method may make the germination percentage of Characters of Giant Embryo Rice to improve, planting percent is high, and emergence is neat, and seedling body is healthy and strong, well developed root system, favorably
It turns green in transplanting, and after transplanting fast, nursery sowing quantity 20% or so, effectively save seed costs can be saved.
（3）Selenium-enriched foliage fertilizer selenium-rich liquid 1, the selenium-rich liquid No. 2 numbers and selenium-rich liquid 3 that the present invention uses are according to Characters of Giant Embryo Rice
Absorption and accumulation characteristic of the different growing to selenium, the optimum formula gone out by multiple Test Summary and usage time.Heading
First 10 days, 6 days after neat fringe, be within 12 days after neat fringe that selenium absorbs and the most efficient timing node of accumulation.
（4）The present invention handles seed using the selenium-rich seed-soaking liquid of scientific formula, and selenium-rich multipurpose handles seedbed, selenium-rich nutritive
Liquid handles rice shoot, and Characters of Giant Embryo Rice seedling can be made to generate the absorption sensibility to selenium element since seed, i.e., absorbed since seedling stage
With accumulation selenium element, rice is transported and runs up to be conducive to pustulation period selenium.
In short, compared with conventional method, the cultivation of selenium-rich Characters of Giant Embryo Rice is carried out using the method for the present invention, on the one hand can be made huge
The germination percentage of embryo rice improves 18-22%, improves planting percent, saves nursery grain weight 20% or so, and vernalization goes out in advance
0.5-1 days seedling time, field-transplanting carries out for 3-5 days in advance, and rice shoot is healthy and strong, and well developed root system, tiller increases, and pest and disease damage is reduced；
On the other hand the more common selenium-enriched rice of the Se content in selenium-rich giant embryo rice can be made to improve 75-85%；, in addition, in selenium-rich giant embryo rice
Other nutrient composition contents also greatly improve, such as γ-aminobutyric acid（GABA）Content improves 3-4 times, and rice peptide content improves,
Potassium, zinc, calcium, iron, total amount of essential amino acids are above common selenium-enriched rice.
Specific implementation mode
In order to make content of the present invention easily facilitate understanding, With reference to embodiment to of the present invention
Technical solution is described further, but the present invention is not limited only to this.
Embodiment 1：
1）Rice seedling bed seedbed is carried out by 0.8 meter of width, the seedling medium of one layer of 3-4cm high is laid on seedbed, is mixed equal
Add water after even, its water content is made to reach 72-75%, the decomposed processing of fermentation reactor system 70 days；
2）It puts Characters of Giant Embryo Rice " huge No. 1 of good fortune " seed into drying box 38 DEG C to dry 2.5 hours, takes out in rear chamber and place 2 hours, then will
Seed puts seed soaking 48 hours in 28 DEG C of selenium-rich seed-soaking liquid into, during which continues to ventilate into seed-soaking liquid using air pump；
3）The seed soaked seed is drained, is wrapped with wet cloth, puts growth cabinet into, in 35 DEG C, the condition of humidity 80%-85%
Lower heat preservation 26 hours, is then cooled to 30 DEG C, continues heat preservation 20 hours, then be cooled to 27 DEG C, after continuing heat preservation 20 hours, stops
Seed is put into the bud 20 hours of drying in the air at room temperature by vernalization, you can sowing；
4）The seed handled well is uniformly sprinkling upon on the seedling medium in seedbed, every square metre of sowing quantity 0.4kg；By matrix and fine sand
By volume 1:For covering seed after 4 mixing, lid kind thickness is 1cm or so；Then 1 selenium-rich multipurpose is sprayed, until lid kind layer
It is drenched；Seedbed is covered with plastic film；
5）A nursery Selenium-rich nutrient solution is respectively sprayed after planting the 10th day and the 18th day；
6）Before rice transplanting, urea 2kg+P is applied in crop field per acre2O5 4kg+K2O 5kg are as base manure；Planting Densities are 1.6-1.7 ten thousand
Clump/mu, per Cong Miao several 2 seedlings, 21 × 28cm of seeding row spacing, field face will keep thin water layer when rice transplanting；10 days after rice transplanting, urine is imposed per acre
Plain 2kg sprays a selenium-rich liquid 1 as fetilizer for tillering；First 10 days of heading, imposes urea 2kg+ potassium chloride 5kg as fringe per acre
Fertilizer, and spray a selenium-rich liquid 2；After Qi Sui the 6th day and the 12nd day to respectively spraying a selenium-rich liquid 3.
Step 1）Described in seedling medium by 27 parts by weight of expanded perlite granule, 5 parts by weight of rice bran, Cassava stalk consider to be worth doing 11 weights
Part, 7 parts by weight of pachyrhizus slag, 7 parts by weight of plant ash composition are measured, and the import composite fertilizer of its total weight 0.3% is added（N:P:K contents
Respectively 15%:15%:15%）, the actinomyces solvent of total weight 2.5%, make gained seedling medium in effective active bacterial content be
1.2-1.3×108 U/g。
Step 2）Described in the preparation method of selenium-rich seed-soaking liquid be：600mg sodium selenates, 0.4kg five are added in 10kg water
Dithiocyano-methane aqueous solution, the 100mg vitamin Bs of diclophenac sodium fungicide, 2 milliliters of mass concentrations for 10%.
Step 4）Described in selenium-rich multipurpose be that sodium selenite 10g, 15wt% paclobutrazol 6g, potassium sulfate 40g, sulfuric acid is sub-
After iron 20g, zinc sulfate 20g, calcium sulfate 20g, copper sulphate 10g are stirred, in mass ratio 1: 180 be diluted with water it is obtained.
Step 5）Described in nursery Selenium-rich nutrient solution be by sodium selenate 12g, 15wt% paclobutrazol 1g, potassium sulfate 40g, sulfuric acid
After zinc 18g, calcium sulfate 25g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 1 be by sodium selenite 15g, potassium dihydrogen phosphate 20g, zinc sulfate 8g, calcium sulfate 10g
After being stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 2 be after being stirred sodium selenate 10g, potassium dihydrogen phosphate 10g, zinc sulfate 5g,
In mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 3 be by sodium selenite 12g, monohydrate potassium 15g, potassium chloride 8g, di(2-ethylhexyl)phosphate
After hydrogen potassium 8g, zinc sulfate 5g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Selenium-rich giant embryo rice growing is carried out using the method for the present invention, following effect can be reached：Characters of Giant Embryo Rice percentage of seedgermination carries
To 85.6%, planting percent is increased to 82.2%, saves nursery grain weight 20% or so height；The Se content of selenium-rich giant embryo rice is
0.292 mg/kg is much higher than the common selenium-enriched rice of control（0.163 mg/kg of Se content）, and γ-aminobutyric acid（GABA）
Content, rice peptide content, potassium, zinc, calcium, iron, total amino acid content etc. are above common selenium-enriched rice, and yield also has increase.By richness
Selenium giant embryo rice price 8-10 members per jin（More 2-3 member more per jin than common selenium-enriched rice）, benefit increase 1000-1500 is first per acre.
Embodiment 2：
1）Rice seedling bed seedbed is carried out by 0.9 meter of width, the seedling medium of one layer of 4cm high is laid on seedbed, is mixed evenly
Afterwards plus water, its water content is made to reach 72-75%, the decomposed processing of fermentation reactor system 70 days；
2）It puts Characters of Giant Embryo Rice " TgeB " seed into drying box 38 DEG C to dry 2.5 hours, takes out in rear chamber and place 2 hours, then will kind
Son puts seed soaking 48 hours in 30 DEG C of selenium-rich seed-soaking liquid into, during which continues to ventilate into seed-soaking liquid using air pump；
3）The seed soaked seed is drained, is wrapped with wet cloth, puts growth cabinet into, in 36 DEG C, the condition of humidity 80%-85%
Lower heat preservation 26 hours, is then cooled to 33 DEG C, continues heat preservation 20 hours, then be cooled to 28 DEG C, after continuing heat preservation 20 hours, stops
Seed is put into the bud 24 hours of drying in the air at room temperature by vernalization, you can sowing；
4）The seed handled well is uniformly sprinkling upon on the seedling medium in seedbed, every square metre of sowing quantity 0.4kg；By matrix and fine sand
By volume 1:For covering seed after 4 mixing, lid kind thickness is 1cm or so；Then 1 selenium-rich multipurpose is sprayed, until lid kind layer
It is drenched；Seedbed is covered with plastic film；
5）A nursery Selenium-rich nutrient solution is respectively sprayed after planting the 10th day and the 18th day；
6）Before rice transplanting, urea 2kg+P is applied in crop field per acre2O5 4kg+K2O 5kg are as base manure；Planting Densities are 1.6-1.7 ten thousand
Clump/mu, per Cong Miao several 3 seedlings, 21 × 28cm of seeding row spacing, field face will keep thin water layer when rice transplanting；10 days after rice transplanting, urine is imposed per acre
Plain 2kg sprays a selenium-rich liquid 1 as fetilizer for tillering；First 10 days of heading, imposes urea 2kg+ potassium chloride 5kg as fringe per acre
Fertilizer, and spray a selenium-rich liquid 2；After Qi Sui the 6th day and the 12nd day to respectively spraying a selenium-rich liquid 3.
Step 1）Described in seedling medium by 27 parts by weight of expanded perlite granule, 5 parts by weight of rice bran, Cassava stalk consider to be worth doing 11 weights
Part, 7 parts by weight of pachyrhizus slag, 7 parts by weight of plant ash composition are measured, and the import composite fertilizer of its total weight 0.3% is added（N:P:K contents
Respectively 15%:15%:15%）, the actinomyces solvent of total weight 2.5%, make gained seedling medium in effective active bacterial content be
1.2-1.3×108 U/g。
Step 2）Described in the preparation method of selenium-rich seed-soaking liquid be：600mg sodium selenates, 0.4kg five are added in 10kg water
Dithiocyano-methane aqueous solution, the 100mg vitamin Bs of diclophenac sodium fungicide, 2 milliliters of mass concentrations for 10%.
Step 4）Described in selenium-rich multipurpose be that sodium selenite 10g, 15wt% paclobutrazol 6g, potassium sulfate 40g, sulfuric acid is sub-
After iron 20g, zinc sulfate 20g, calcium sulfate 20g, copper sulphate 10g are stirred, in mass ratio 1: 180 be diluted with water it is obtained.
Step 5）Described in nursery Selenium-rich nutrient solution be by sodium selenate 12g, 15wt% paclobutrazol 1g, potassium sulfate 40g, sulfuric acid
After zinc 18g, calcium sulfate 25g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 1 be by sodium selenite 15g, potassium dihydrogen phosphate 20g, zinc sulfate 8g, calcium sulfate 10g
After being stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 2 be after being stirred sodium selenate 10g, potassium dihydrogen phosphate 10g, zinc sulfate 5g,
In mass ratio 1: 200 be diluted with water it is obtained.
Step 6）Described in selenium-rich liquid 3 be by sodium selenite 12g, monohydrate potassium 15g, potassium chloride 8g, di(2-ethylhexyl)phosphate
After hydrogen potassium 8g, zinc sulfate 5g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
Selenium-rich giant embryo rice growing is carried out using the method for the present invention, following effect can be reached：Characters of Giant Embryo Rice percentage of seedgermination carries
To 86.8%, planting percent is increased to 81.9%, saves nursery grain weight 20% or so height；The Se content of selenium-rich giant embryo rice is
0.287 mg/kg is much higher than the common selenium-enriched rice of control（0.163 mg/kg of Se content）, and γ-aminobutyric acid（GABA）
Content, rice peptide content, potassium, zinc, calcium, iron, total amino acid content etc. are above common selenium-enriched rice, and yield also has increase.By richness
Selenium giant embryo rice price 8-10 members per jin（More 2-3 member more per jin than common selenium-enriched rice）, benefit increase 1000-1500 is first per acre.
The performance of table 1 present invention and the percentage of seedgermination, planting percent, yield, selenium element content of conventional selenium-enriching cultivation
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with repair
Decorations should all belong to the covering scope of the present invention.
Claims (9)
1. a kind of cultural method of selenium-rich Characters of Giant Embryo Rice, which is characterized in that include the following steps：
1）Rice seedling bed seedbed is carried out by 0.8-0.9 meters of width, the seedling medium of one layer of 3-4cm high is laid on seedbed, mixing is stirred
Add water after mixing uniformly, its water content is made to reach 72-75%, the decomposed processing of fermentation reactor system 70 days；
2）Giant embryo rice is dried 2.5 hours in 38 DEG C, takes out in rear chamber and places 2 hours, then put seed into 28-30 DEG C
During which seed soaking 48 hours in selenium-rich seed-soaking liquid continue to ventilate into seed-soaking liquid；
3）The seed soaked seed is drained, is wrapped with wet cloth, puts growth cabinet into, in 35-36 DEG C, humidity 80%-85%
Under the conditions of keep the temperature 26 hours, be then cooled to 30-33 DEG C, continue heat preservation 20 hours, then be cooled to 27-28 DEG C, continue heat preservation 20
After hour, stop vernalization, seed is put into bud 20-24 hours of drying in the air at room temperature；
4）The seed handled well is uniformly sprinkling upon on the seedling medium in seedbed, every square metre of sowing quantity 0.4kg；By matrix and fine sand
By volume 1:For covering seed after 4 mixing, lid kind thickness is 1cm；Then 1 selenium-rich multipurpose is sprayed, until lid kind layer is drenched；
Seedbed is covered with plastic film；
5）A nursery Selenium-rich nutrient solution is respectively sprayed after planting the 10th day and the 18th day；
6）Before rice transplanting, urea 2kg+P is applied in crop field per acre2O5 4kg+K2For O 5kg as base manure, Planting Densities are 1.6-1.7 ten thousand
Clump/mu, per Cong Miao number 2-3 seedlings, 21 × 28cm of seeding row spacing, field face will keep thin water layer when rice transplanting；10 days after rice transplanting, impose per acre
Urea 2kg sprays a selenium-rich liquid 1 as fetilizer for tillering；First 10 days of heading, imposes urea 2kg+ potassium chloride 5kg conducts per acre
Ear manuer, and spray a selenium-rich liquid 2；Respectively spray a selenium-rich liquid 3 within the 6th day and the 12nd day after Qi Sui.
2. cultural method as described in claim 1, which is characterized in that step 1）Described in seedling medium by expanded perlite
27 parts by weight of particle, 5 parts by weight of rice bran, Cassava stalk consider 11 parts by weight, 7 parts by weight of pachyrhizus slag, 7 parts by weight of plant ash composition to be worth doing, and
The import 15-15-15 composite fertilizers of its total weight 0.3% are added, the actinomyces solvent of total weight 2.5% makes in gained seedling medium
Effective active bacterial content is 1.2-1.3 × 108 U/g。
3. cultural method as described in claim 1, which is characterized in that step 2）Described in selenium-rich seed-soaking liquid preparation method
For：The dithiocyano that 600mg sodium selenates, 0.4kg penta sodium pentachlorophenates fungicide, 2 milliliters of mass concentrations are 10% is added in 10kg water
Methane aqueous solution, 100mg vitamin Bs.
4. cultural method as described in claim 1, which is characterized in that step 4）Described in selenium-rich multipurpose be by sodium selenite
10g, 15wt% paclobutrazol 6g, potassium sulfate 40g, ferrous sulfate 20g, zinc sulfate 20g, calcium sulfate 20g, copper sulphate 10g stirrings are mixed
After conjunction, in mass ratio 1: 180 be diluted with water it is obtained.
5. cultural method as described in claim 1, which is characterized in that step 5）Described in nursery Selenium-rich nutrient solution be by selenic acid
After sodium 12g, 15wt% paclobutrazol 1g, potassium sulfate 40g, zinc sulfate 18g, calcium sulfate 25g are stirred, in mass ratio 1: 200 adds
Water dilution is made.
6. cultural method as described in claim 1, which is characterized in that step 6）Described in selenium-rich liquid 1 be by sodium selenite
After 15g, potassium dihydrogen phosphate 20g, zinc sulfate 8g, calcium sulfate 10g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
7. cultural method as described in claim 1, which is characterized in that step 6）Described in selenium-rich liquid 2 be by sodium selenate
After 10g, potassium dihydrogen phosphate 10g, zinc sulfate 5g are stirred, in mass ratio 1: 200 be diluted with water it is obtained.
8. cultural method as described in claim 1, which is characterized in that step 6）Described in selenium-rich liquid 3 be by sodium selenite
After 12g, monohydrate potassium 15g, potassium chloride 8g, potassium dihydrogen phosphate 8g, zinc sulfate 5g are stirred, in mass ratio 1: 200 adds
Water dilution is made.
9. cultural method as described in claim 1, which is characterized in that the giant embryo rice varieties are that good fortune is No. 1 huge, good fortune is No. 2 huge, good fortune
Huge No. 4, TgeB or 1813geB.
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| CN109819851A (en) * | 2019-04-08 | 2019-05-31 | 安徽省农业科学院烟草研究所 | The cultural method of late rice after a kind of selenium-rich cigarette |
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| CN109819851A (en) * | 2019-04-08 | 2019-05-31 | 安徽省农业科学院烟草研究所 | The cultural method of late rice after a kind of selenium-rich cigarette |
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