CN107853043A - A kind of implantation methods of selenium-rich pear - Google Patents
A kind of implantation methods of selenium-rich pear Download PDFInfo
- Publication number
- CN107853043A CN107853043A CN201710847455.0A CN201710847455A CN107853043A CN 107853043 A CN107853043 A CN 107853043A CN 201710847455 A CN201710847455 A CN 201710847455A CN 107853043 A CN107853043 A CN 107853043A
- Authority
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- China
- Prior art keywords
- chitosan oligosaccharide
- pear
- root
- selenium
- chelating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention discloses a kind of implantation methods of selenium-rich pear, are related to selenium-rich pear planting technology field, including：Root was carried out in the first Fast-growing stage of Pear Fruit development with bentonite mixtures using chitosan oligosaccharide chelating Mn every 35 days to apply, after chitosan oligosaccharide chelating Mn applies 2 times with the continuous root of bentonite mixtures, root is carried out to pear tree using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture and applied；The present invention in the Fast-growing stage of Pear Fruit first by being handled, in this period, the present invention first carries out root with bentonite mixtures using chitosan oligosaccharide chelating Mn and applied, pear tree root tissue activity level can effectively be adjusted, promote pear tree root lateral root is grown on development, then chitosan oligosaccharide chelating Mn is used again, sodium selenite, diatomite three mixture carries out root to pear tree and applied while pear tree root system development is further promoted, also absorbability of the pear tree root system to nutrient in soil is significantly improved, absorption especially to Se from Soil can be greatly improved.
Description
Technical field
The invention belongs to selenium-rich pear planting technology field, and in particular to a kind of implantation methods of selenium-rich pear.
Background technology
Pears are also known as fast fruit, beautiful breast etc., and ancients' pears are referred to as fruit ancestor, and because of its fresh and tender succulence, sour and sweet palatability, China is pear tree plant
One of center cradle, the pears of Asia pear all originate from greatly east Asia, Japan and the original place of production that Korea is also Asian pear, state
The white pear of interior cultivation, sand pear, Ussurian pear all originate in China, and pear is important in fruit kind status, and suitability is also more extensive than apple,
Pears are cool in nature and energy heat-clearing is calm, and often feeding can make blood pressure recover normal, and improvement is had a dizzy spell, the symptoms such as dry throat is got angry, pregnant woman, baby
Pears fall fire can be eaten after excessive internal heat, pears have compared with polysaccharose substance and multivitamin, are easily absorbed by the body, improve a poor appetite, to liver
With protective effect, food pears can prevent artery sclerosis, suppress the formation of carcinogen nitrosamine.
Selenium is the essential trace elements of the human body.Selenium participates in a variety of selenoenzymes and Selenonic protein in synthesized human.Wherein paddy Guang
Sweet peptide peroxidase, it is catalyzed hydroperoxides in vivo or MDA is changed into water or various alcohols, eliminates
Attack of the free radical to biomembrane, protects biomembrane from oxidative damage；Selenium participates in forming the de- iodine enzyme of iodate thyroid gland amino acid.
Selenium can improve human immunity, promote the propagation of lymphocyte and the synthesis of antibody and immunoglobulin.Selenium is to colon
The kinds cancers such as cancer, cutaneum carcinoma, liver cancer, breast cancer have the function that obvious suppression and protection, its middle generation in body
Thanking to product methyl enol has stronger active anticancer.Selenium has with nutrients such as vitamin E, allicin, linoleic acid, germanium, zinc
Oxidation resistant effect is cooperateed with, increases antioxidation activity.Meanwhile selenium has the function that to mitigate and alleviate heavy metal toxicity.
Selenium-rich pear in the market is more to be applied during pears are planted using root, foliage-spray or fruit face spray inorganic selenium it is fertile come
Realize that selenium-rich is planted, but because absorbability is bad, the amount of spraying is again big, and environment and the nuisanceless of pear fruit are respectively provided with greatly
Influence.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of implantation methods of selenium-rich pear.
The present invention is achieved by the following technical solutions：
A kind of implantation methods of selenium-rich pear, every 3-5 days using chitosan oligosaccharide chelated in the first Fast-growing stage of Pear Fruit development
Manganese carries out root with bentonite mixtures and applied, and the root amount of applying is every pear tree 400-500g, chitosan oligosaccharide chelating Mn and bentonite mixtures
After continuous root applies 2 times, root is carried out to pear tree using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture and applied, every 3-
5 Tiangengs are applied once, and each root amount of applying is every pear tree 350-400g；
The chitosan oligosaccharide chelating Mn presses 1.2-1.5 with chitosan oligosaccharide chelating Mn in bentonite mixtures with bentonite:80 mass ratios
Mix；
Chitosan oligosaccharide chelating Mn, sodium selenite, diatomite in the chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
By 1.0-1.2:0.001-0.003:90 mass ratios mix.
Further, the chitosan oligosaccharide chelating Mn preparation method is：
（1）By chitosan oligosaccharide be configured to mass concentration be 10% the aqueous solution, by manganese sulfate be configured to mass concentration be 8% it is water-soluble
Liquid；
（2）The chitosan oligosaccharide aqueous solution and manganese sulfate solution are pressed 1.2：1 volume ratio uniformly mixes, and is stirred after insulation, obtains
Mixed solution, mixed solution pH to 8.5 then is adjusted to the ammoniacal liquor that mass concentration is 5%, 40min is stood, obtains reaction solution；
（3）The glycerine of 2 times of its quality is added into reaction solution, 30min is stirred, is then filtered, obtain sediment, with nothing
Then water-ethanol is dried flushes sediment 2 times again under vacuum, then add the absolute ethyl alcohol of 2 times of its quality, uniformly mixing
Afterwards, it is ground, then removes absolute ethyl alcohol, crosses 80 mesh, produce.
Further, it is stirred after the insulation to be incubated 1 hour at 60 DEG C, is then stirred with 500r/min rotating speeds
2 hours.
Further, first Fast-growing stage is the 20-45 days after fallen flowers.
Further, apply to dig cave, cave depth 20-25cm, then by shell widow at the 14-16cm of pear tree root for described
Sugared Chelated Manganese is added in cave according to quantity with bentonite mixtures or chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture,
Then earthing is carried out, is tamped.
Further, also include pouring a water every 2 days in the first Fast-growing stage of the Pear Fruit development, irrigation amount is
Every 200-250mL.
The present invention has advantages below compared with prior art：The present invention passes through in the Fast-growing stage of Pear Fruit first
Reason, in the Fast-growing stage of Pear Fruit first, in this period, the present invention is first entered using chitosan oligosaccharide chelating Mn with bentonite mixtures
Row root is applied, and can effectively adjust pear tree root tissue activity level, while flesh cell divides rapidly, cell quantity increase, is promoted
Enter the development that is grown on of pear tree root lateral root, the vertical Diameter growth of young fruit is accelerated, then again using chitosan oligosaccharide chelating Mn, selenous acid
Sodium, diatomite three mixture carry out root to pear tree and applied while pear tree root system development is further promoted, and also significantly carry
High absorbability of the pear tree root system to nutrient in soil, the especially absorption to Se from Soil can be carried greatly
Height, simultaneously, additionally it is possible to activate root system, promote capillary root newborn, propagation, improve absorption rate of the pear tree to fertilizer efficiency, pass through
Pear tree is handled by the way of the interaction of manganese selenium, absorption and utilization of the pear tree to selenium element can not only be greatly facilitated,
Simultaneously, additionally it is possible to synthesis of the pear tree to reduced sugar and the accumulation in Pear Fruit are effectively promoted, so as to improve pear tree fruit
The content of reduced sugar in reality, further improve the quality of Pear Fruit.
Embodiment
Embodiment 1
A kind of implantation methods of selenium-rich pear, chitosan oligosaccharide chelating Mn was used every 3 days in the first Fast-growing stage of Pear Fruit development
Root is carried out with bentonite mixtures to apply, the root amount of applying is every pear tree 400g, chitosan oligosaccharide chelating Mn and the continuous root of bentonite mixtures
After applying 2 times, root is carried out to pear tree using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture and applied, is applied every 3 Tiangengs
Once, each root amount of applying is every pear tree 350g；
The chitosan oligosaccharide chelating Mn presses 1.2 with chitosan oligosaccharide chelating Mn in bentonite mixtures and bentonite:80 mass ratios mix
Form；
Chitosan oligosaccharide chelating Mn, sodium selenite, diatomite in the chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
By 1.0:0.001:90 mass ratios mix.
Further, the chitosan oligosaccharide chelating Mn preparation method is：
（1）By chitosan oligosaccharide be configured to mass concentration be 10% the aqueous solution, by manganese sulfate be configured to mass concentration be 8% it is water-soluble
Liquid；
（2）The chitosan oligosaccharide aqueous solution and manganese sulfate solution are pressed 1.2：1 volume ratio uniformly mixes, and is stirred after insulation, obtains
Mixed solution, mixed solution pH to 8.5 then is adjusted to the ammoniacal liquor that mass concentration is 5%, 40min is stood, obtains reaction solution；
（3）The glycerine of 2 times of its quality is added into reaction solution, 30min is stirred, is then filtered, obtain sediment, with nothing
Then water-ethanol is dried flushes sediment 2 times again under vacuum, then add the absolute ethyl alcohol of 2 times of its quality, uniformly mixing
Afterwards, it is ground, then removes absolute ethyl alcohol, crosses 80 mesh, produce.
Further, it is stirred after the insulation to be incubated 1 hour at 60 DEG C, is then stirred with 500r/min rotating speeds
2 hours.
Further, first Fast-growing stage is the 20-45 days after fallen flowers.
Further, apply to dig cave at the 14cm of pear tree root for described, cave depth 20cm then will be chitosan oligosaccharide chelated
Manganese is added in cave according to quantity with bentonite mixtures or chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture, Ran Houjin
Row earthing, is tamped.
Further, also include pouring a water every 2 days in the first Fast-growing stage of the Pear Fruit development, irrigation amount is
Every 200mL.
Embodiment 2
A kind of implantation methods of selenium-rich pear, chitosan oligosaccharide chelating Mn was used every 5 days in the first Fast-growing stage of Pear Fruit development
Root is carried out with bentonite mixtures to apply, the root amount of applying is every pear tree 500g, chitosan oligosaccharide chelating Mn and the continuous root of bentonite mixtures
After applying 2 times, root is carried out to pear tree using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture and applied, is applied every 5 Tiangengs
Once, each root amount of applying is every pear tree 400g；
The chitosan oligosaccharide chelating Mn presses 1.5 with chitosan oligosaccharide chelating Mn in bentonite mixtures and bentonite:80 mass ratios mix
Form；
Chitosan oligosaccharide chelating Mn, sodium selenite, diatomite in the chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
By 1.2: 0.003:90 mass ratios mix.
Further, the chitosan oligosaccharide chelating Mn preparation method is：
（1）By chitosan oligosaccharide be configured to mass concentration be 10% the aqueous solution, by manganese sulfate be configured to mass concentration be 8% it is water-soluble
Liquid；
（2）The chitosan oligosaccharide aqueous solution and manganese sulfate solution are pressed 1.2：1 volume ratio uniformly mixes, and is stirred after insulation, obtains
Mixed solution, mixed solution pH to 8.5 then is adjusted to the ammoniacal liquor that mass concentration is 5%, 40min is stood, obtains reaction solution；
（3）The glycerine of 2 times of its quality is added into reaction solution, 30min is stirred, is then filtered, obtain sediment, with nothing
Then water-ethanol is dried flushes sediment 2 times again under vacuum, then add the absolute ethyl alcohol of 2 times of its quality, uniformly mixing
Afterwards, it is ground, then removes absolute ethyl alcohol, crosses 80 mesh, produce.
Further, it is stirred after the insulation to be incubated 1 hour at 60 DEG C, is then stirred with 500r/min rotating speeds
2 hours.
Further, first Fast-growing stage is the 20-45 days after fallen flowers.
Further, apply to dig cave at the 16cm of pear tree root for described, cave depth 25cm then will be chitosan oligosaccharide chelated
Manganese is added in cave according to quantity with bentonite mixtures or chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture, Ran Houjin
Row earthing, is tamped.
Further, also include pouring a water every 2 days in the first Fast-growing stage of the Pear Fruit development, irrigation amount is
Every 250mL.
Embodiment 3
A kind of implantation methods of selenium-rich pear, chitosan oligosaccharide chelating Mn was used every 4 days in the first Fast-growing stage of Pear Fruit development
Root is carried out with bentonite mixtures to apply, the root amount of applying is every pear tree 420g, chitosan oligosaccharide chelating Mn and the continuous root of bentonite mixtures
After applying 2 times, root is carried out to pear tree using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture and applied, is applied every 4 Tiangengs
Once, each root amount of applying is every pear tree 380g；
The chitosan oligosaccharide chelating Mn presses 1.3 with chitosan oligosaccharide chelating Mn in bentonite mixtures and bentonite:80 mass ratios mix
Form；
Chitosan oligosaccharide chelating Mn, sodium selenite, diatomite in the chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
By 1.1:0.002:90 mass ratios mix.
Further, the chitosan oligosaccharide chelating Mn preparation method is：
（1）By chitosan oligosaccharide be configured to mass concentration be 10% the aqueous solution, by manganese sulfate be configured to mass concentration be 8% it is water-soluble
Liquid；
（2）The chitosan oligosaccharide aqueous solution and manganese sulfate solution are pressed 1.2：1 volume ratio uniformly mixes, and is stirred after insulation, obtains
Mixed solution, mixed solution pH to 8.5 then is adjusted to the ammoniacal liquor that mass concentration is 5%, 40min is stood, obtains reaction solution；
（3）The glycerine of 2 times of its quality is added into reaction solution, 30min is stirred, is then filtered, obtain sediment, with nothing
Then water-ethanol is dried flushes sediment 2 times again under vacuum, then add the absolute ethyl alcohol of 2 times of its quality, uniformly mixing
Afterwards, it is ground, then removes absolute ethyl alcohol, crosses 80 mesh, produce.
Further, it is stirred after the insulation to be incubated 1 hour at 60 DEG C, is then stirred with 500r/min rotating speeds
2 hours.
Further, first Fast-growing stage is the 20-45 days after fallen flowers.
Further, apply to dig cave at the 15cm of pear tree root for described, cave depth 22cm then will be chitosan oligosaccharide chelated
Manganese is added in cave according to quantity with bentonite mixtures or chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture, Ran Houjin
Row earthing, is tamped.
Further, also include pouring a water every 2 days in the first Fast-growing stage of the Pear Fruit development, irrigation amount is
Every 220mL.
Comparative example 1：The manganese sulfate that chitosan oligosaccharide chelating Mn is replaced with to equivalent is differed only in embodiment 1.
Comparative example 2：With embodiment 1 differ only in chitosan oligosaccharide chelating Mn replace with bentonite mixtures it is chitosan oligosaccharide chelated
Manganese, sodium selenite, diatomite three's mixture.
Experiment；
The pear tree of 5 years planted in the experimental plot of identical soil fertility, embodiment is carried out respectively and is handled with comparative example, the same to time
After harvest, then every group of pear tree takes 100 pear fruits to be tested at random, determines Se content, the content of reduced sugar in pear fruit；
One group of blank control group is set simultaneously；
Table 1
| Content of reducing sugar % | Se content μ g/g | |
| Embodiment 1 | 15.83 | 195.8 |
| Embodiment 2 | 15.27 | 198.3 |
| Embodiment 3 | 15.58 | 196.7 |
| Comparative example 1 | 10.32 | 83.5 |
| Comparative example 2 | 14.38 | 126.4 |
| Control group | 8.55 | 35.6 |
As can be seen from Table 1, using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three mixture directly in Pear Fruit
In one Fast-growing stage if use, selenium element content reduces on the contrary in Pear Fruit, and this is due to divide rapidly just in flesh cell
In phase, while root applies manganese element and selenium element, and now a certain amount of absorption of the pear tree root system to selenium element, can suppress pear tree on the contrary
Root system lateral root is grown, and so as to reduce uptake of the follow-up root system to selenium element, causes the absorption rate to selenium element
It is greatly lowered.
Claims (6)
1. a kind of implantation methods of selenium-rich pear, it is characterised in that adopted in the first Fast-growing stage of Pear Fruit development every 3-5 days
Root is carried out with bentonite mixtures with chitosan oligosaccharide chelating Mn to apply, the root amount of applying is every pear tree 400-500g, chitosan oligosaccharide chelating Mn with
After the continuous root of bentonite mixtures applies 2 times, pear tree is entered using chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
Row root is applied, and is applied once every 3-5 Tiangengs, and each root amount of applying is every pear tree 350-400g；
The chitosan oligosaccharide chelating Mn presses 1.2-1.5 with chitosan oligosaccharide chelating Mn in bentonite mixtures with bentonite:80 mass ratios
Mix；
Chitosan oligosaccharide chelating Mn, sodium selenite, diatomite in the chitosan oligosaccharide chelating Mn, sodium selenite, diatomite three's mixture
By 1.0-1.2:0.001-0.003:90 mass ratios mix.
A kind of 2. implantation methods of selenium-rich pear as claimed in claim 1, it is characterised in that the chitosan oligosaccharide chelating Mn preparation side
Method is：
（1）By chitosan oligosaccharide be configured to mass concentration be 10% the aqueous solution, by manganese sulfate be configured to mass concentration be 8% it is water-soluble
Liquid；
（2）The chitosan oligosaccharide aqueous solution and manganese sulfate solution are pressed 1.2：1 volume ratio uniformly mixes, and is stirred after insulation, obtains
Mixed solution, mixed solution pH to 8.5 then is adjusted to the ammoniacal liquor that mass concentration is 5%, 40min is stood, obtains reaction solution；
（3）The glycerine of 2 times of its quality is added into reaction solution, 30min is stirred, is then filtered, obtain sediment, with nothing
Then water-ethanol is dried flushes sediment 2 times again under vacuum, then add the absolute ethyl alcohol of 2 times of its quality, uniformly mixing
Afterwards, it is ground, then removes absolute ethyl alcohol, crosses 80 mesh, produce.
A kind of 3. implantation methods of selenium-rich pear as claimed in claim 2, it is characterised in that be stirred after the insulation for
1 hour is incubated at 60 DEG C, is then stirred 2 hours with 500r/min rotating speeds.
4. a kind of implantation methods of selenium-rich pear as claimed in claim 1, it is characterised in that first Fast-growing stage is after fallen flowers
The 20-45 days.
5. a kind of implantation methods of selenium-rich pear as claimed in claim 1, it is characterised in that described is applied as apart from bretschneider pear root
Cave, cave depth 20-25cm, then by chitosan oligosaccharide chelating Mn and bentonite mixtures or chitosan oligosaccharide chelating Mn, Asia are dug at portion 14-16cm
Sodium selenate, diatomite three's mixture are added in cave according to quantity, then carry out earthing, tamp.
A kind of 6. implantation methods of selenium-rich pear as claimed in claim 1, it is characterised in that the first of the Pear Fruit development
Also include pouring a water every 2 days in Fast-growing stage, irrigation amount is every 200-250mL.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710847455.0A CN107853043A (en) | 2017-09-19 | 2017-09-19 | A kind of implantation methods of selenium-rich pear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847455.0A CN107853043A (en) | 2017-09-19 | 2017-09-19 | A kind of implantation methods of selenium-rich pear |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101849679A (en) * | 2009-04-02 | 2010-10-06 | 辽宁师范大学 | Chitosan oligosaccharide chelating Mn and preparation method thereof |
| CN104355774A (en) * | 2014-11-17 | 2015-02-18 | 砀山县沃福农业发展有限公司 | Special organic-inorganic compound fertilizer for apples |
| CN106396888A (en) * | 2016-08-29 | 2017-02-15 | 安徽省司尔特肥业股份有限公司 | Special pollution-free water-soluble fertilizer for improving stress resistance of pear trees |
| CN106472545A (en) * | 2016-09-28 | 2017-03-08 | 江苏辉丰农化股份有限公司 | One plant growth regulators |
| CN106588395A (en) * | 2016-12-31 | 2017-04-26 | 界首市菁华科技信息咨询服务有限公司 | Method for planting selenium-enriched Yali pear |
| CN106688795A (en) * | 2016-12-29 | 2017-05-24 | 界首市菁华科技信息咨询服务有限公司 | Cultivation method of selenium-rich cherries |
-
2017
- 2017-09-19 CN CN201710847455.0A patent/CN107853043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101849679A (en) * | 2009-04-02 | 2010-10-06 | 辽宁师范大学 | Chitosan oligosaccharide chelating Mn and preparation method thereof |
| CN104355774A (en) * | 2014-11-17 | 2015-02-18 | 砀山县沃福农业发展有限公司 | Special organic-inorganic compound fertilizer for apples |
| CN106396888A (en) * | 2016-08-29 | 2017-02-15 | 安徽省司尔特肥业股份有限公司 | Special pollution-free water-soluble fertilizer for improving stress resistance of pear trees |
| CN106472545A (en) * | 2016-09-28 | 2017-03-08 | 江苏辉丰农化股份有限公司 | One plant growth regulators |
| CN106688795A (en) * | 2016-12-29 | 2017-05-24 | 界首市菁华科技信息咨询服务有限公司 | Cultivation method of selenium-rich cherries |
| CN106588395A (en) * | 2016-12-31 | 2017-04-26 | 界首市菁华科技信息咨询服务有限公司 | Method for planting selenium-enriched Yali pear |
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Application publication date: 20180330 |