CN107567994A - A kind of implantation methods of selenium-rich Su Cun sweet potatoes - Google Patents
A kind of implantation methods of selenium-rich Su Cun sweet potatoes Download PDFInfo
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- CN107567994A CN107567994A CN201710691346.4A CN201710691346A CN107567994A CN 107567994 A CN107567994 A CN 107567994A CN 201710691346 A CN201710691346 A CN 201710691346A CN 107567994 A CN107567994 A CN 107567994A
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Abstract
The invention discloses a kind of implantation methods of selenium-rich Su Cun sweet potatoes, matrix is prepared using selenium-enriched earthworm excrement, urea, Diammonium phosphate (DAP), potassium sulfate, selenium mineral powder, by sapling plantation into matrix, by supplementing foliage top dressing in the growth period of sweet potato, foliar fertilizer, promote plant growth, nutriment needed for plant is provided, help sweet potato and absorb selenium element, inorganic selenium is converted into Organic Selenium in crop, so as to obtain selenium-rich sweet potato.
Description
Technical field
The present invention relates to potato class planting technology field, and in particular to a kind of implantation methods of selenium-rich Su Cun sweet potatoes.
Background technology
Su Cun sweet potatoes are the special products in Zhanjiang, Guangdong Province Wuchuan mayor Qi Zhensu villages.Su Cun soil category clay soil, containing each
Kind trace element, wherein soil property potassium content are the indispensable elements of sweet potato growth, have illumination on calcium compound, the rainfall is plentiful, sweet potato
High yield and taste uniqueness.
Chinese patent《A kind of implantation methods of sweet potato》(number of patent application:CN201610260614.2 a kind of kind) is disclosed
The implantation methods of potato, it is main to include the steps such as field planting, overlay film, rich water processing, by nutritional agents, traditional Chinese medicine ingredients, organic nutrient substance,
The selection of the material compositions such as organic nutrient solution for cultivating, nutritional need of the sweet potato seed in Budding process is effectively raised, seedling stage
Nutrition supply so that the bud ratio and survival rate of sweet potato are significantly improved, and improve the yield of sweet potato, reduce cost.Selenium
For necessary trace element in people and animal body, the nutrition of selenium is mainly particularly combined performance by protein with zymoprotein and resisted
Oxidation.Selenium fertilizer can also make product be rich in micro elements needed by human selenium while plant needed nutrient matter is supplemented.
The content of the invention
In order to solve the above problems, the invention provides a kind of implantation methods of selenium-rich Su Cun sweet potatoes, plant is set quickly to inhale
Receive active ingredient and auximone.
The present invention can be achieved through the following technical solutions:
A kind of implantation methods of selenium-rich Su Cun sweet potatoes, comprise the following steps:
(1) seedling is selected:Select it is sturdy have top, virus-free, internode is not grown, and has the potato seedling growths of 6 expansion leaves, with taking root before plantation
Powder and sodium selenite solution immersion 30min;
(2) selection of land is applied fertilizer:Select that soil layer is deep, loose fertile sandy loam, deep plough 25-30cm, plays the wide 100cm of furrow, high
25-30cm, every mu apply selenium-enriched earthworm excrement 2500-3000kg, urea 5-10kg, Diammonium phosphate (DAP) 10-20kg, potassium sulfate 20-25kg,
Selenium mineral powder 20-30kg, every mu is planted 3000 plants, cave depth 5-8cm, earthing compacting, is watered to drenched;
(3) field management:
A. seedling is looked into fill the gaps with seedlings:2-3d after cultivation, with looking into benefit, prevent that seedling strain growth is inconsistent;
B. in good time top dressing:15d after inserting, every mu is watered to pour and applies with urea 3-5kg;Group's root phase, every mu is applied potassium sulfate 15-
18kg, calcium superphosphate 20-25kg;Later growth, foliage-spray 0.8-1% selenium-rich amino acid foliar fertilizers, 1 is sprayed every 10-15d
It is secondary, totally 2 times;Sweet potato expanding stage applies potassium sulfate 10-12kg;
C. crack fertilizer is imposed:With urea 4-5kg, calcium superphosphate leachate 10-12kg, potassium sulfate 3-5kg, 150- is watered
200kg is made into nutrient solution and sprayed;
D. excessive growth is prevented:Weeding carry it is graceful be completely cured 2-3 times, cut off part vines;
E. tillage and weeding:Growing tillage and weeding early stage 2-3 times;
(4) prevention and control of plant diseases, pest control:Potato rattan head is poured with 80% metrifonate, 500 times of liquid 1-2 times;
(5) harvest in good time:After transplanting 150-200d, it can be harvested when cane leaves start and fade and turn yellow.
Upper step (1) root-inducing powder is dissolved in stirring in 1000 water by indolebutyric acid 2.0g and methyl α-naphthyl acetate 1.25g to be made
's.
The preparation process of upper step (2) selenium-enriched earthworm excrement is:In the thickness 1-2cm of culturing pool lower berth one fine sand, surface paving
One gauze, the cow dung for adding addition sodium selenite is used as feed, is inoculated with earthworm, and with improving straw mulching, watering daily keeps moistening,
Wormcast is collected after 30d.
The preparation of the selenium-enriched earthworm excrement, sodium selenite 35-45mg/kg is added in cow dung.
Upper step (3) selenium-rich amino acid foliar fertilizer includes following component:Selenium-rich dried earthworms 450-500g, urea 3-5g, mistake
Calcium phosphate 1-2g, potassium sulfate 2-3g, disodium ethylene diamine tetraacetate 20-25g.
The preparation process of the selenium-rich amino acid foliar fertilizer is:Take selenium-rich dried earthworms to be put into Enamel jar, add distilled water,
Capping, soaks 12h, is then placed in insulating box, hydrolyze 7-8h at 50-60 DEG C, be sufficiently stirred, use 2000r/ at room temperature
Supernatant is taken after min low-speed centrifugals 5min, adds urea, calcium superphosphate, potassium sulfate and disodium ethylene diamine tetraacetate, mixing is equal
It is even, adjust PH.
The pH value of the selenium-rich amino acid foliar fertilizer is 5.5-6.
The present invention possesses following characteristics:
The present invention mixes application with selenium mineral powder and provides selenium element to soil, in sweet potato by the use of selenium-enriched earthworm excrement as base manure
Growth period spray selenium-enriched earthworm amino acid foliage fertilizer, can not only supplement sweet potato growth needed for nutriment, also help
Selenium element is absorbed in sweet potato, so as to which inorganic selenium is converted into Organic Selenium in crop.
Compost from earthworm scraps ability rich in rational crumb structure and water conservation, and itself contains substantial amounts of nutriment, no
But contain the trace element needed for plant, moreover it is possible to by micro biological agent, mineral matter element is become water miscible and easily planted
The active ingredient and auximone that thing absorbs;Wormcast is also containing the organic matter in active material decomposable asymmetric choice net soil, greatly
Improve soil fertility.
It is more single and unstable that the plantation of other selenium-enriched plants only sprays sodium selenite solution, utilizes selenium-enriched earthworm muck
It more fully can apply selenium fertilizer to plant with selenium-enriched earthworm amino acid foliage fertilizer, promote the absorption of Selenium By The Plants element.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, it is characterised in that comprise the following steps:
(1) seedling is selected:Select it is sturdy have top, virus-free, internode is not grown, and has the potato seedling growths of 6 expansion leaves, with taking root before plantation
Powder and sodium selenite solution immersion 30min;
(2) selection of land is applied fertilizer:Select that soil layer is deep, loose fertile sandy loam, deep plough 27.5cm, plays the wide 100cm of furrow, high
27.5cm, every mu is applied selenium-enriched earthworm excrement 2750kg, urea 7.5kg, Diammonium phosphate (DAP) 15kg, potassium sulfate 22.5kg, selenium mineral powder 25kg,
Every mu is planted 3000 plants, cave depth 6.5cm, earthing compacting, is watered to drenched;
(3) field management:
A. seedling is looked into fill the gaps with seedlings:3d after cultivation, with looking into benefit, prevent that seedling strain growth is inconsistent;
B. in good time top dressing:15d after inserting, every mu is watered to pour and applies with urea 4kg;Group's root phase, every mu is applied potassium sulfate 16.5kg, mistake
Calcium phosphate 22.5kg;Later growth, the selenium-rich amino acid foliar fertilizer of foliage-spray 0.9%, sprayed 1 time, totally 2 times every 12.5d;Kind
Potato expanding stage applies 10~12kg of potassium sulfate;
C. crack fertilizer is imposed:With urea 4.5kg, calcium superphosphate leachate 11kg, potassium sulfate 4kg, it is watered 175kg and is made into battalion
Nutrient solution sprays;
D. excessive growth is prevented:Weeding carry it is graceful be completely cured 3 times, cut off part vines;
E. tillage and weeding:Growing tillage and weeding early stage 3 times;
(4) prevention and control of plant diseases, pest control:Potato rattan is poured with 80% metrifonate, 500 times of liquid first 2 times;
(5) harvest in good time:After transplanting 175d, it can be harvested when cane leaves start and fade and turn yellow.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (1) root-inducing powder is by indolebutyric acid 2.0g
It is dissolved in methyl α-naphthyl acetate 1.25g in 1000 water made of stirring.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, the preparation process of step (2) the selenium-enriched earthworm excrement are:
In the 1~2cm of thickness of culturing pool lower berth one fine sand, surface spreads a gauze, adds the cow dung of addition sodium selenite as feed,
Earthworm is inoculated with, with improving straw mulching, watering daily keeps moistening, wormcast is collected after 30d.
The preparation of above-mentioned selenium-enriched earthworm excrement, sodium selenite 40mg/kg is added in cow dung.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (3) the selenium-rich amino acid foliar fertilizer include with
Lower composition:Selenium-rich dried earthworms 475g, urea 4g, calcium superphosphate 1.5g, potassium sulfate 2.5g, disodium ethylene diamine tetraacetate 22.5g.
The preparation process of above-mentioned selenium-rich amino acid foliar fertilizer is:Take selenium-rich dried earthworms to be put into Enamel jar, add distilled water,
Capping, soaks 12h, is then placed in insulating box, hydrolyze 7.5h at 55 DEG C, be sufficiently stirred at room temperature, low with 2000r/min
Supernatant is taken after speed centrifugation 5min, urea, calcium superphosphate, potassium sulfate and disodium ethylene diamine tetraacetate is added, is well mixed, regulation
pH。
The pH value of above-mentioned selenium-rich amino acid foliar fertilizer is 5.7.
Embodiment 2
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, it is characterised in that comprise the following steps:
(1) seedling is selected:Select it is sturdy have top, virus-free, internode is not grown, and has the potato seedling growths of 6 expansion leaves, with taking root before plantation
Powder and sodium selenite solution immersion 30min;
(2) selection of land is applied fertilizer:Select that soil layer is deep, loose fertile sandy loam, deep plough 25cm, plays the wide 100cm of furrow, high
25cm, every mu is applied selenium-enriched earthworm excrement 2500kg, urea 5kg, Diammonium phosphate (DAP) 10kg, potassium sulfate 20kg, selenium mineral powder 20kg, every mu of cultivation
3000 plants, cave depth 5cm, earthing compacting, water to drenched;
(3) field management:
A. seedling is looked into fill the gaps with seedlings:2d after cultivation, with looking into benefit, prevent that seedling strain growth is inconsistent;
B. in good time top dressing:15d after inserting, every mu is watered to pour and applies with urea 3kg;Group's root phase, every mu is applied potassium sulfate 15kg, crosses phosphorus
Sour calcium 20kg;Later growth, the selenium-rich amino acid foliar fertilizer of foliage-spray 0.8%, sprayed 1 time, totally 2 times every 10d;Sweet potato is expanded
Phase applies potassium sulfate 10kg;
C. crack fertilizer is imposed:With urea 4kg, calcium superphosphate leachate 10kg, potassium sulfate 3kg, it is watered 150kg and is made into nutrition
Liquid sprays;
D. excessive growth is prevented:Weeding carry it is graceful be completely cured 2 times, cut off part vines;
E. tillage and weeding:Growing tillage and weeding early stage 2 times;
(4) prevention and control of plant diseases, pest control:Potato rattan is poured with 80% metrifonate, 500 times of liquid first 1 time;
(5) harvest in good time:After transplanting 150d, it can be harvested when cane leaves start and fade and turn yellow.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (1) root-inducing powder is by indolebutyric acid 2.0g
It is dissolved in methyl α-naphthyl acetate 1.25g in 1000 water made of stirring.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, the preparation process of step (2) the selenium-enriched earthworm excrement are:
In the thickness 1cm of culturing pool lower berth one fine sand, surface spreads a gauze, adds the cow dung of addition sodium selenite as feed, connects
Kind earthworm, with improving straw mulching, watering daily keeps moistening, wormcast is collected after 30d.
The preparation of above-mentioned selenium-enriched earthworm excrement, sodium selenite 35mg/kg is added in cow dung.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (3) the selenium-rich amino acid foliar fertilizer include with
Lower composition:Selenium-rich dried earthworms 450g, urea 3g, calcium superphosphate 1g, potassium sulfate 2g, disodium ethylene diamine tetraacetate 20g.
The preparation process of above-mentioned selenium-rich amino acid foliar fertilizer is:Take selenium-rich dried earthworms to be put into Enamel jar, add distilled water,
Capping, soaks 12h, is then placed in insulating box, hydrolyze 7h at 50 DEG C, be sufficiently stirred, with 2000r/min low speed at room temperature
Supernatant is taken after centrifugation 5min, adds urea, calcium superphosphate, potassium sulfate and disodium ethylene diamine tetraacetate, is well mixed, regulation
pH。
The pH value of above-mentioned selenium-rich amino acid foliar fertilizer is 5.5.
Embodiment 3
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, it is characterised in that comprise the following steps:
(1) seedling is selected:Select it is sturdy have top, virus-free, internode is not grown, and has the potato seedling growths of 6 expansion leaves, with taking root before plantation
Powder and sodium selenite solution immersion 30min;
(2) selection of land is applied fertilizer:Select that soil layer is deep, loose fertile sandy loam, deep plough 30cm, plays the wide 100cm of furrow, high
30cm, every mu is applied selenium-enriched earthworm excrement 3000kg, urea 10kg, Diammonium phosphate (DAP) 20kg, potassium sulfate 25kg, selenium mineral powder 30kg, every mu
3000 plants, cave depth 8cm are planted, earthing compacting, is watered to drenched;
(3) field management:
A. seedling is looked into fill the gaps with seedlings:3d after cultivation, with looking into benefit, prevent that seedling strain growth is inconsistent;
B. in good time top dressing:15d after inserting, every mu is watered to pour and applies with urea 5kg;Group's root phase, every mu is applied potassium sulfate 18kg, crosses phosphorus
Sour calcium 25kg;Later growth, the selenium-rich amino acid foliar fertilizer of foliage-spray 1%, sprayed 1 time, totally 2 times every 15d;Sweet potato expanding stage
Apply potassium sulfate 12kg;
C. crack fertilizer is imposed:With urea 5kg, calcium superphosphate leachate 12kg, potassium sulfate 5kg, it is watered 200kg and is made into nutrition
Liquid sprays;
D. excessive growth is prevented:Weeding carry it is graceful be completely cured 3 times, cut off part vines;
E. tillage and weeding:Growing tillage and weeding early stage 3 times;
(4) prevention and control of plant diseases, pest control:Potato rattan is poured with 80% metrifonate, 500 times of liquid first 2 times;
(5) harvest in good time:After transplanting 200d, it can be harvested when cane leaves start and fade and turn yellow.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (1) root-inducing powder is by indolebutyric acid 2.0g
It is dissolved in methyl α-naphthyl acetate 1.25g in 1000 water made of stirring.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, the preparation process of step (2) the selenium-enriched earthworm excrement are:
In the thickness 2cm of culturing pool lower berth one fine sand, surface spreads a gauze, adds the cow dung of addition sodium selenite as feed, connects
Kind earthworm, with improving straw mulching, watering daily keeps moistening, wormcast is collected after 30d.
The preparation of above-mentioned selenium-enriched earthworm excrement, sodium selenite 45mg/kg is added in cow dung.
A kind of implantation methods of selenium-rich Su Cun sweet potatoes of the present embodiment, step (3) the selenium-rich amino acid foliar fertilizer include with
Lower composition:Selenium-rich dried earthworms 500g, urea 5g, calcium superphosphate 2g, potassium sulfate 3g, disodium ethylene diamine tetraacetate 25g.
The preparation process of above-mentioned selenium-rich amino acid foliar fertilizer is:Take selenium-rich dried earthworms to be put into Enamel jar, add distilled water,
Capping, soaks 12h, is then placed in insulating box, hydrolyze 8h at 60 DEG C, be sufficiently stirred, with 2000r/min low speed at room temperature
Supernatant is taken after centrifugation 5min, adds urea, calcium superphosphate, potassium sulfate and disodium ethylene diamine tetraacetate, is well mixed, regulation
pH。
The pH value of above-mentioned selenium-rich amino acid foliar fertilizer is 6.
Comparative example 1
Difference with embodiment 1 is, does not include selenium-enriched earthworm excrement in base manure.
Comparative example 2
Difference with embodiment 1 is, selenium mineral powder is not included in base manure.
Comparative example 3
Difference with embodiment 1 is, is sprayed in the growth period of sweet potato common with selenium-rich amino acid foliar fertilizer equivalent
Phosphorus sulphur foliar fertilizer.
Comparative example 4
Difference with embodiment 1 is that sweet potato planting process replaces corresponding selenium-enriched fertilizer with farm manure.
Compliance test result
Su Cun water and soil is unique, and soil category clayey, containing multiple element, more than 70%, soil types is various calcium compounds
Fluvial outwash soil development the river sand mud, river silt field or the river clay field that form, pH value 6.0 to 7.0, soil organic matter content 2% to
3%.Embodiment 1~3, the sweet potato of comparative example 1~4 are planted herein, when annual mid or late August leaf locally turns yellow and
When harvest, maturation harvest after this six groups of sweet potatoes are evaluated, it is as a result as follows:
Information is can obtain from upper table, the Su Cun sweet potatoes that embodiment plants out are better than the interior quality index of comparative example,
Which includes single weight, content of starch, Vitamin C content, potassium content, Se content;The Su Cunfan that the present invention plants out
Potato, its sense organ characteristic are:Raw potato wedge smooth in appearance, it is uniform in size, cook rear skin and split dried meat floss, taste mellowness is sweet, quality pine
It is soft.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (7)
1. a kind of implantation methods of selenium-rich Su Cun sweet potatoes, it is characterised in that comprise the following steps:
(1) seedling is selected:Select it is sturdy have top, virus-free, internode is not grown, and has the potato seedling growths of 6 expansion leaves, before planting with root-inducing powder and
Sodium selenite solution soaks 30min;
(2) selection of land is applied fertilizer:Select that soil layer is deep, loose fertile sandy loam, deep plough 25-30cm, plays furrow wide 100cm, high 25-
30cm, every mu is applied selenium-enriched earthworm excrement 2500-3000kg, urea 5-10kg, Diammonium phosphate (DAP) 10-20kg, potassium sulfate 20-25kg, selenium
Miberal powder 20-30kg, every mu is planted 3000 plants, cave depth 5-8cm, earthing compacting, is watered to drenched;
(3) field management:
A. seedling is looked into fill the gaps with seedlings:2-3d after cultivation, with looking into benefit, prevent that seedling strain growth is inconsistent;
B. in good time top dressing:15d after inserting, every mu is watered to pour and applies with urea 3-5kg;Group's root phase, every mu is applied potassium sulfate 15-18kg, mistake
Calcium phosphate 20-25kg;Later growth, foliage-spray 0.8-1% selenium-rich amino acid foliar fertilizers, 1 time is sprayed every 10-15d, totally 2
It is secondary;Sweet potato expanding stage applies potassium sulfate 10-12kg;
C. crack fertilizer is imposed:With urea 4-5kg, calcium superphosphate leachate 10-12kg, potassium sulfate 3-5kg, 150-200kg is watered
Nutrient solution is made into spray;
D. excessive growth is prevented:Weeding carry it is graceful be completely cured 2-3 times, cut off part vines;
E. tillage and weeding:Growing tillage and weeding early stage 2-3 times;
(4) prevention and control of plant diseases, pest control:Potato rattan head is poured with 80% metrifonate, 500 times of liquid 1-2 times;
(5) harvest in good time:After transplanting 150-200d, it can be harvested when cane leaves start and fade and turn yellow.
2. the implantation methods of a kind of selenium-rich Su Cun sweet potatoes according to claim 1, it is characterised in that the step (1) is raw
Root powder is made of indolebutyric acid 2.0g and methyl α-naphthyl acetate 1.25g are dissolved in and stirred in 1000 water.
3. the implantation methods of a kind of selenium-rich Su Cun sweet potatoes according to claim 1, it is characterised in that the step (2) is rich
The preparation process of selenium wormcast is:In the thickness 1-2cm of culturing pool lower berth one fine sand, surface spreads a gauze, and it is sub- to add addition
The cow dung of sodium selenate is inoculated with earthworm, with improving straw mulching, watering daily keeps moistening, wormcast is collected after 30d as feed.
A kind of 4. implantation methods of selenium-rich Su Cun sweet potatoes according to claim 3, it is characterised in that the selenium-enriched earthworm excrement
Preparation, sodium selenite 35-45mg/kg is added in cow dung.
5. the implantation methods of a kind of selenium-rich Su Cun sweet potatoes according to claim 1, it is characterised in that the step (3) is rich
Selenoaminoacid foliar fertilizer includes following component:Selenium-rich dried earthworms 450-500g, urea 3-5g, calcium superphosphate 1-2g, potassium sulfate 2-
3g, disodium ethylene diamine tetraacetate 20-25g.
A kind of 6. implantation methods of selenium-rich Su Cun sweet potatoes according to claim 5, it is characterised in that the selenium-rich amino acid
The preparation process of foliar fertilizer is:Take selenium-rich dried earthworms to be put into Enamel jar, add distilled water, capping, soak 12h at room temperature,
It is then placed in insulating box, hydrolyzes 7-8h at 50-60 DEG C, be sufficiently stirred, with takes supernatant after 2000r/min low-speed centrifugals 5min
Liquid, urea, calcium superphosphate, potassium sulfate and disodium ethylene diamine tetraacetate are added, be well mixed, adjust PH.
A kind of 7. implantation methods of selenium-rich Su Cun sweet potatoes according to claim 6, it is characterised in that the selenium-rich amino acid
The pH value of foliar fertilizer is 5.5-6.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109197459A (en) * | 2018-09-29 | 2019-01-15 | 浙江大学 | A method of alleviating sweet potato drought stress |
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CN105777247A (en) * | 2016-01-28 | 2016-07-20 | 中国农业大学 | Preparation method of selenium-enriched earthworm organic fertilizer |
CN105993576A (en) * | 2016-07-28 | 2016-10-12 | 蒋丽红 | Method for cultivating selenium-rich sweet potatoes |
CN106717900A (en) * | 2016-12-12 | 2017-05-31 | 潘祖贤 | The implantation methods of selenium-enriched sweet potato |
CN106912273A (en) * | 2017-01-17 | 2017-07-04 | 陆川县米场镇合美种养专业合作社联合社 | A kind of implantation methods of selenium-enriched sweet potato |
CN106912275A (en) * | 2017-01-17 | 2017-07-04 | 陆川县米场镇合美种养专业合作社联合社 | A kind of high-yield planting method of selenium-enriched sweet potato |
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2017
- 2017-08-12 CN CN201710691346.4A patent/CN107567994A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105777247A (en) * | 2016-01-28 | 2016-07-20 | 中国农业大学 | Preparation method of selenium-enriched earthworm organic fertilizer |
CN105993576A (en) * | 2016-07-28 | 2016-10-12 | 蒋丽红 | Method for cultivating selenium-rich sweet potatoes |
CN106717900A (en) * | 2016-12-12 | 2017-05-31 | 潘祖贤 | The implantation methods of selenium-enriched sweet potato |
CN106912273A (en) * | 2017-01-17 | 2017-07-04 | 陆川县米场镇合美种养专业合作社联合社 | A kind of implantation methods of selenium-enriched sweet potato |
CN106912275A (en) * | 2017-01-17 | 2017-07-04 | 陆川县米场镇合美种养专业合作社联合社 | A kind of high-yield planting method of selenium-enriched sweet potato |
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CN109197459A (en) * | 2018-09-29 | 2019-01-15 | 浙江大学 | A method of alleviating sweet potato drought stress |
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Application publication date: 20180112 |