CN106576842A - Seedling cultivation method of sweet potato seedlings with high selenium enrichment capacity - Google Patents
Seedling cultivation method of sweet potato seedlings with high selenium enrichment capacity Download PDFInfo
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- CN106576842A CN106576842A CN201611175905.8A CN201611175905A CN106576842A CN 106576842 A CN106576842 A CN 106576842A CN 201611175905 A CN201611175905 A CN 201611175905A CN 106576842 A CN106576842 A CN 106576842A
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- 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
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a seedling cultivation method of sweet potato seedlings with high selenium enrichment capacity, and belongs to the field of planting. The seedling cultivation method specifically comprises the following steps: (1) selection of seed sweet potatoes; (2) treatment of the seed sweet potatoes; (3) sowing of the seed sweet potatoes; (4) management after sowing; and (5) seedling harvesting. According to the method, all the steps are reasonably cooperated, so that the cultivated sweet potato seedlings grow uniformly and greenly, and are high in disease resistance, high in transplanting survival rate and relatively high in selenium enrichment capacity; compared with the existing method, the seedling cultivation method has the advantage that the selenium content of sweet potatoes cultivated in the later stage is doubled or more, and the use value of a sweet potato product is increased; and meanwhile, the seedling cultivation method eliminates a conventional complicated seedling hardening procedure and does not need extra treatment of fertilization and pesticide spraying, so that the planting process is optimized and easy to popularize.
Description
Technical field
The invention belongs to field of planting, and in particular to a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability.
Background technology
Radix Ipomoeae also known as Rhizoma Dioscoreae, Radix Pachyrhizi Erosi, Rhizoma Dioscoreae esculentae etc., rich in proteins, starch, pectin, cellulose, aminoacid, vitamin and
Several mineral materials, the reputation for having " life prolonging food ", then, One's stock rose for Radix Ipomoeae this unremarkable food, makes one see with different eyes.It is red
Potato is Convolvulaceae annual plant, sprawling herbs, long more than 2 meters, on prostration ground is oblique, has a underground tuber, tuber spindle,
Crust khaki or aubergine.Radix Ipomoeae contain the human bodies such as abundant starch, vitamin, cellulose necessary to nutritional labeling, also contain
There are the mineral elements such as abundant magnesium, phosphorus, calcium and linoleic acid etc..These materials can keep blood vessel elasticity, to preventing and treating senility habitual
Constipation is largely effective.
The common method for culturing seedlings of Radix Ipomoeae is to carry out nursery using potato seed tuber, is cultivated in being seeded in soil
Seedling.Germination early stage, growth medium and seedling exercising later stage three phases are commonly divided into by the growing way of potato seedling growth during potato seed nursery, are sent out
The growing way of bud early stage potato seedling growth is largely fixed the growth quality in later stage, generally also needs to carry out rich water in growth medium
Apply operation, the seedling exercising later stage needs strict temperature control, humidity etc., management to require higher.
Selenium is the necessary trace element of human body.Selenium participates in various selenoenzymes and selenium protein in synthesized human.Its Glutathione
Peptide peroxidase, is catalyzed hydroperoxides in vivo or lipid peroxide is changed into water or various alcohols, eliminates certainly
By base to biomembranous attack, biomembrane is protected from oxidative damage；Selenium participates in constituting the de- iodine enzyme of iodate thyroid amino acid.Selenium energy
Human immunity is improved, promotes the synthesis of the propagation and antibody and immunoglobulin of lymphocyte.Selenium is to colon cancer, skin carcinoma, liver
The kinds cancers such as cancer, breast carcinoma have the effect for significantly suppressing and protecting.
In existing Radix Ipomoeae, selenium content is relatively low, in order to improve its selenium content, is commonly applied containing a large amount of fertilizer rich in selenium, although energy
The Se content of Radix Ipomoeae is lifted to a certain extent, but most selenium elements being lost in can cause environmental pollution, and the applying of external source selenium is simultaneously
Can not be absorbed by the body well.The existing fresh rare method for culturing seedlings to the ipomoea batatas seedling for having cultivation selenium rich ability strong.
The content of the invention
The present invention is intended to provide a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability, the ipomoea batatas seedling cultivated has in itself
Stronger selenium-rich characteristic, in the case where external source selenium fertilizer is not applied, remains to lift the Se content in Radix Ipomoeae well.
The present invention is achieved through the following technical solutions：
A kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability, comprises the steps：
（1）Potato seed is selected：Select surface it is vivid it is smooth, without damaged disease, single quality for 180 ~ 200g Radix Ipomoeae as potato seed
It is standby；
（2）Potato seed is processed：By step（1）After selected potato seed clear water is rinsed well, then be placed on Gymboree root strengthen it is dilute
Take out after 4 ~ 6min is soaked in releasing 700 times of liquid, be then placed on temperature and process after 12 ~ 14h for accelerating germination under conditions of 25 ~ 27 DEG C
It is standby；
（3）Potato seed seeding：By step（2）Potato seed after process is tiltedly arranged in seedling medium with the amount of per mu of 58 ~ 63kg, described to educate
Seedling substrate is made up of the material of following weight portion：41 ~ 44 parts of garden moulds, 24 ~ 27 parts of fertile soil, 16 ~ 19 parts of peat soils, 15 ~ 18 parts
Farmers''s excrement, 5 ~ 7 parts of pluck leftover bits and pieces, 7 ~ 10 parts of Chinese medicine slags, 3 ~ 5 parts of sawdusts, 1 ~ 2 part of ammonium dihydrogen phosphate, 0.1 ~ 0.3 part it is sub-
Sodium selenate, 0.3 ~ 0.5 part of compound vitamin, 0.2 ~ 0.4 part of aminoacids complex, 0.5 ~ 1 part of shitosan, 2 ~ 4 parts of Kaolin, 4 ~ 6
Part Vermiculitum, 2 ~ 3 parts of perlites；
（4）Manage after seeding：
A. to during growing potato seedling growth of the height for 5 ~ 7cm after potato seed seeding, the temperature for control seedling medium daytime is 32 ~ 34
DEG C, the temperature at night be 30 ~ 32 DEG C, the relative humidity for keeping seedling medium is 78 ~ 84%, and carries out a ultraviolet spoke daily
According to process；
B. it is 26 ~ 28 DEG C, night for the temperature for during 23 ~ 25cm, control seedling medium daytime highly for 5 ~ 7cm to height in potato seedling growth
The temperature in evening is 24 ~ 26 DEG C, and the relative humidity for keeping seedling medium is 70 ~ 76%；
（5）Seedling is gathered：
When potato seedling growth length is to 23 ~ 25cm height, that is, Radix Ipomoeae seedling is bred as, which is adopted down from potato kind, then repeat step（4）'s
Management operation, the potato seedling growth for carrying out subsequent batches are cultivated.
Further, step（3）Described in potato seed be 30 ~ 40 ° with the inclination angle of vertical direction when tiltedly arranging.
Further, step（3）Described in farmers''s excrement be made up of Urina Hominis excrement, cattle manure, duck excrement, chicken manure.
Further, step（3）Described in Chinese medicine slag by Cortex Phellodendri, Radix Isatidis, Semen Cassiae, Flos Albiziae, Rhizoma Phragmitiss, the Radix Stemonae, stone
Pomegranate skin is constituted.
Further, step（3）Described in compound vitamin containing vitamin A, vitamin B1, vitamin B2, dimension life
Plain B5, FA, Vitamin B12, vitamin C, vitamin D and Vitamin E.
Further, step（3）Described in aminoacids complex containing methionine, threonine, lysine, Phenylalanine,
Leucine, isoleucine and tryptophan.
Further, step（3）Described in the preparation method of seedling medium be specially：First by under farmers''s excrement, pluck
After heel and the common mixed fermentation of Chinese medicine slag 8 ~ 10 days, then by its with garden mould, fertile soil, peat soil, sawdust, ammonium dihydrogen phosphate,
Sodium selenite, compound vitamin, aminoacids complex, shitosan, Kaolin, Vermiculitum, perlite mix jointly, finally use quick lime
Disinfection.
Further, step（4）Described in operation a, ultraviolet radiation treatment specifically starts in every morning 10.00, uses
Wavelength carries out radiation treatment, when a length of 6 ~ 8h of each continuous processing for the ultraviolet light of 290 ~ 330nm to potato seedling growth.
The present invention has the advantages that：
A kind of present invention ipomoea batatas seedling strong in order to bring out selenium-rich, is optimized improvement process, is to traditional method for culturing seedlings
The oblique seeding of Radix Ipomoeae contains abundant nutrient substance in planting unique seedling medium prepared, and is that the multiple batches of cultivation of ipomoea batatas seedling is established
Good material base, the Chinese medicine slag of addition ensure that the safety of potato seedling growth growing environment well, improve the body constitution of potato seedling growth, and
The sodium selenite that seedling medium has good heat-preservation ventilating, preservation capacity of water and fertility, addition can stimulate potato seedling growth in germination early growth
When absorption sensitivity to selenium element, strengthen which for the sensitivity of selenium element enrichment, coordinate the ultraviolet radiation treatment for applying,
The absorption growth characteristics of potato seedling growth can be improved, optimized body body constitution, further lifted its selenium rich ability.The final synthesis in each step
Under mating reaction, the Radix Ipomoeae seedling growing way that the inventive method is educated is uniformly vigorous, and disease resistance is strong, and transplanting survival rate is high, with compared with
Strong selenium rich ability, in the Radix Ipomoeae that the later stage is bred as, Se content improves more than 2 times than existing methods, enhances making for sweet potato product
With value, and this method for culturing seedlings eliminates the seedling exercising operation of traditional complexity, and processes without the need for additionally fertilising, spray etc., optimizes
Plantation technique, it is easy to promote.
Specific embodiment
Embodiment 1
A kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability, comprises the steps：
（1）Potato seed is selected：Select surface it is vivid it is smooth, without damaged disease, single quality for 180 ~ 190g Radix Ipomoeae as potato seed
It is standby；
（2）Potato seed is processed：By step（1）After selected potato seed clear water is rinsed well, then be placed on Gymboree root strengthen it is dilute
Take out after 4min is soaked in releasing 700 times of liquid, be then placed on temperature and process standby after 12h for accelerating germination under conditions of 25 DEG C；
（3）Potato seed seeding：By step（2）Potato seed after process is tiltedly arranged in seedling medium with the amount of every mu of 58kg, the nursery
Substrate is made up of the material of following weight portion：41 portions of garden moulds, 24 portions of fertile soil, 16 portions of peat soils, 15 portions of farmers''s excrement, 5 portions of animals
Internal organs leftover bits and pieces, 7 parts of Chinese medicine slags, 3 parts of sawdusts, 1 part of ammonium dihydrogen phosphate, 0.1 part of sodium selenite, 0.3 part of compound vitamin, 0.2
Part aminoacids complex, 0.5 part of shitosan, 2 parts of Kaolin, 4 parts of Vermiculitums, 2 parts of perlites；
（4）Manage after seeding：
A. to during growing potato seedling growth of the height for 5 ~ 7cm after potato seed seeding, the temperature for control seedling medium daytime is 32 ~ 33
DEG C, the temperature at night be 30 ~ 31 DEG C, the relative humidity for keeping seedling medium is 78 ~ 82%, and carries out a ultraviolet spoke daily
According to process；
B. it is 26 ~ 27 DEG C, night for the temperature for during 23 ~ 25cm, control seedling medium daytime highly for 5 ~ 7cm to height in potato seedling growth
The temperature in evening is 24 ~ 25 DEG C, and the relative humidity for keeping seedling medium is 70 ~ 74%；
（5）Seedling is gathered：
When potato seedling growth length is to 23 ~ 25cm height, that is, Radix Ipomoeae seedling is bred as, which is adopted down from potato kind, then repeat step（4）'s
Management operation, the potato seedling growth for carrying out subsequent batches are cultivated.
Further, step（3）Described in potato seed be 30 ~ 35 ° with the inclination angle of vertical direction when tiltedly arranging.
Further, step（3）Described in farmers''s excrement be made up of Urina Hominis excrement, cattle manure, duck excrement, chicken manure.
Further, step（3）Described in Chinese medicine slag by Cortex Phellodendri, Radix Isatidis, Semen Cassiae, Flos Albiziae, Rhizoma Phragmitiss, the Radix Stemonae, stone
Pomegranate skin is constituted.
Further, step（3）Described in compound vitamin containing vitamin A, vitamin B1, vitamin B2, dimension life
Plain B5, FA, Vitamin B12, vitamin C, vitamin D and Vitamin E.
Further, step（3）Described in aminoacids complex containing methionine, threonine, lysine, Phenylalanine,
Leucine, isoleucine and tryptophan.
Further, step（3）Described in the preparation method of seedling medium be specially：First by under farmers''s excrement, pluck
After heel and the common mixed fermentation of Chinese medicine slag 8 days, then by itself and garden mould, fertile soil, peat soil, sawdust, ammonium dihydrogen phosphate, Asia
Sodium selenate, compound vitamin, aminoacids complex, shitosan, Kaolin, Vermiculitum, perlite mix jointly, are finally entered with quick lime
Row is disinfected.
Further, step（4）Described in operation a, ultraviolet radiation treatment specifically starts in every morning 10.00, uses
Wavelength carries out radiation treatment, when a length of 6h of each continuous processing for the ultraviolet light of 290 ~ 330nm to potato seedling growth.
Embodiment 2
A kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability, comprises the steps：
（1）Potato seed is selected：Select surface it is vivid it is smooth, without damaged disease, single quality for 190 ~ 200g Radix Ipomoeae as potato seed
It is standby；
（2）Potato seed is processed：By step（1）After selected potato seed clear water is rinsed well, then be placed on Gymboree root strengthen it is dilute
Take out after 6min is soaked in releasing 700 times of liquid, be then placed on temperature and process standby after 14h for accelerating germination under conditions of 26 ~ 27 DEG C；
（3）Potato seed seeding：By step（2）Potato seed after process is tiltedly arranged in seedling medium with the amount of every mu of 63kg, the nursery
Substrate is made up of the material of following weight portion：44 portions of garden moulds, 27 portions of fertile soil, 19 portions of peat soils, 18 portions of farmers''s excrement, 7 portions of animals
Internal organs leftover bits and pieces, 10 parts of Chinese medicine slags, 5 parts of sawdusts, 2 parts of ammonium dihydrogen phosphates, 0.3 part of sodium selenite, 0.5 part of compound vitamin, 0.4
Part aminoacids complex, 1 part of shitosan, 4 parts of Kaolin, 6 parts of Vermiculitums, 3 parts of perlites；
（4）Manage after seeding：
A. to during growing potato seedling growth of the height for 5 ~ 7cm after potato seed seeding, the temperature for control seedling medium daytime is 33 ~ 34
DEG C, the temperature at night be 31 ~ 32 DEG C, the relative humidity for keeping seedling medium is 80 ~ 84%, and carries out a ultraviolet spoke daily
According to process；
B. it is 27 ~ 28 DEG C, night for the temperature for during 23 ~ 25cm, control seedling medium daytime highly for 5 ~ 7cm to height in potato seedling growth
The temperature in evening is 25 ~ 26 DEG C, and the relative humidity for keeping seedling medium is 72 ~ 76%；
（5）Seedling is gathered：
When potato seedling growth length is to 23 ~ 25cm height, that is, Radix Ipomoeae seedling is bred as, which is adopted down from potato kind, then repeat step（4）'s
Management operation, the potato seedling growth for carrying out subsequent batches are cultivated.
Further, step（3）Described in potato seed be 35 ~ 40 ° with the inclination angle of vertical direction when tiltedly arranging.
Further, step（3）Described in farmers''s excrement be made up of Urina Hominis excrement, cattle manure, duck excrement, chicken manure.
Further, step（3）Described in Chinese medicine slag by Cortex Phellodendri, Radix Isatidis, Semen Cassiae, Flos Albiziae, Rhizoma Phragmitiss, the Radix Stemonae, stone
Pomegranate skin is constituted.
Further, step（3）Described in compound vitamin containing vitamin A, vitamin B1, vitamin B2, dimension life
Plain B5, FA, Vitamin B12, vitamin C, vitamin D and Vitamin E.
Further, step（3）Described in aminoacids complex containing methionine, threonine, lysine, Phenylalanine,
Leucine, isoleucine and tryptophan.
Further, step（3）Described in the preparation method of seedling medium be specially：First by under farmers''s excrement, pluck
After heel and the common mixed fermentation of Chinese medicine slag 10 days, then by itself and garden mould, fertile soil, peat soil, sawdust, ammonium dihydrogen phosphate, Asia
Sodium selenate, compound vitamin, aminoacids complex, shitosan, Kaolin, Vermiculitum, perlite mix jointly, are finally entered with quick lime
Row is disinfected.
Further, step（4）Described in operation a, ultraviolet radiation treatment specifically starts in every morning 10.00, uses
Wavelength carries out radiation treatment, when a length of 8h of each continuous processing for the ultraviolet light of 290 ~ 330nm to potato seedling growth.
Comparative example 1
This comparative example 1 compared with Example 1, does not contain sodium selenite composition in its seedling medium, method in addition is walked
Rapid all same.
Comparative example 2
This comparative example 2 compared with Example 2, in step（4）Do not carry out at ultraviolet irradiation in the operation a managed after seeding
Reason, method and step all same in addition.
Matched group
Existing Radix Ipomoeae tuber tiltedly arranges method for culturing seedlings.
In order to contrast effect of the present invention, " Ji potato 99 " kind is chosen as experiment kind, entered with above-mentioned five kinds of methods respectively
Row nursery, incubation height are standby after the seedling of 23 ~ 25cm, are then corresponded to isolation and transplant Tanaka big in experiment, land
In earth, each nutritive element content is close, and the growth management method after transplanting is identical and suitable, the corresponding Radix Ipomoeae of statistics later stage each group
Yield and quality, concrete correction data are as shown in table 1 below：
Table 1
| Seedling transplanting survival rate（%） | Radix Ipomoeae per mu yield（kg） | Radix Ipomoeae Se content（mg/kg） | |
| Embodiment 1 | 100 | 3120 | 21.2 |
| Embodiment 2 | 100 | 3180 | 23.0 |
| Comparative example 1 | 99.8 | 2800 | 16.2 |
| Comparative example 2 | 99.5 | 2600 | 14.3 |
| Matched group | 99.1 | 2400 | 9.2 |
Note：Radix Ipomoeae Se content described in upper table 1 refers to GB/T 5009.90-2003《The assay method of selenium in food》Examined
Survey.
By upper table 1 as can be seen that the Radix Ipomoeae seedling body constitution educated of method for culturing seedlings of the present invention is strong, and with stronger selenium-rich
Characteristic, the Ipomoea batatas production that correspondence brings out is high, Se content is high, has been obviously improved its edibility and economic benefit.
Claims (8)
1. the method for culturing seedlings of the strong ipomoea batatas seedling of a kind of selenium rich ability, it is characterised in that comprise the steps：
（1）Potato seed is selected：Select surface it is vivid it is smooth, without damaged disease, single quality for 180 ~ 200g Radix Ipomoeae as potato seed
It is standby；
（2）Potato seed is processed：By step（1）After selected potato seed clear water is rinsed well, then be placed on Gymboree root strengthen it is dilute
Take out after 4 ~ 6min is soaked in releasing 700 times of liquid, be then placed on temperature and process after 12 ~ 14h for accelerating germination under conditions of 25 ~ 27 DEG C
It is standby；
（3）Potato seed seeding：By step（2）Potato seed after process is tiltedly arranged in seedling medium with the amount of per mu of 58 ~ 63kg, described to educate
Seedling substrate is made up of the material of following weight portion：41 ~ 44 parts of garden moulds, 24 ~ 27 parts of fertile soil, 16 ~ 19 parts of peat soils, 15 ~ 18 parts
Farmers''s excrement, 5 ~ 7 parts of pluck leftover bits and pieces, 7 ~ 10 parts of Chinese medicine slags, 3 ~ 5 parts of sawdusts, 1 ~ 2 part of ammonium dihydrogen phosphate, 0.1 ~ 0.3 part it is sub-
Sodium selenate, 0.3 ~ 0.5 part of compound vitamin, 0.2 ~ 0.4 part of aminoacids complex, 0.5 ~ 1 part of shitosan, 2 ~ 4 parts of Kaolin, 4 ~ 6
Part Vermiculitum, 2 ~ 3 parts of perlites；
（4）Manage after seeding：
A. to during growing potato seedling growth of the height for 5 ~ 7cm after potato seed seeding, the temperature for control seedling medium daytime is 32 ~ 34
DEG C, the temperature at night be 30 ~ 32 DEG C, the relative humidity for keeping seedling medium is 78 ~ 84%, and carries out a ultraviolet spoke daily
According to process；
B. it is 26 ~ 28 DEG C, night for the temperature for during 23 ~ 25cm, control seedling medium daytime highly for 5 ~ 7cm to height in potato seedling growth
The temperature in evening is 24 ~ 26 DEG C, and the relative humidity for keeping seedling medium is 70 ~ 76%；
（5）Seedling is gathered：
When potato seedling growth length is to 23 ~ 25cm height, that is, Radix Ipomoeae seedling is bred as, which is adopted down from potato kind, then repeat step（4）'s
Management operation, the potato seedling growth for carrying out subsequent batches are cultivated.
2. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in potato seed be 30 ~ 40 ° with the inclination angle of vertical direction when tiltedly arranging.
3. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in farmers''s excrement be made up of Urina Hominis excrement, cattle manure, duck excrement, chicken manure.
4. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in Chinese medicine slag be made up of Cortex Phellodendri, Radix Isatidis, Semen Cassiae, Flos Albiziae, Rhizoma Phragmitiss, the Radix Stemonae, Pericarpium Granati.
5. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in compound vitamin containing vitamin A, vitamin B1, vitamin B2, vitamin B5, FA, Vitamin B12,
Vitamin C, vitamin D and Vitamin E.
6. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in contain methionine, threonine, lysine, Phenylalanine, leucine, isoleucine and tryptophan in aminoacids complex.
7. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（3）
Described in the preparation method of seedling medium be specially：First by farmers''s excrement, pluck leftover bits and pieces and the common mixed fermentation of Chinese medicine slag
After 8 ~ 10 days, then by its with garden mould, it is fertile soil, peat soil, sawdust, ammonium dihydrogen phosphate, sodium selenite, compound vitamin, compound
Aminoacid, shitosan, Kaolin, Vermiculitum, perlite mix jointly, finally with quick lime disinfection.
8. a kind of method for culturing seedlings of the strong ipomoea batatas seedling of selenium rich ability according to claim 1, it is characterised in that step（4）
Described in operation a, ultraviolet radiation treatment specifically starts in every morning 10.00, with the ultraviolet light that wavelength is 290 ~ 330nm
Radiation treatment, when a length of 6 ~ 8h of each continuous processing are carried out to potato seedling growth.
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| CN107455246A (en) * | 2017-09-07 | 2017-12-12 | 界首市金牛家庭农场 | A kind of packed implantation methods of potato |
| CN108293768A (en) * | 2017-09-26 | 2018-07-20 | 安徽徽大农业有限公司 | A kind of cultivation method of sweet potato that drop chromium increasing selenium zinc-iron high yield is environmentally protective |
| CN108812018A (en) * | 2018-06-07 | 2018-11-16 | 全椒井府富硒生态牧业有限公司 | A kind of Cultivate administration method of selenium-rich peach |
| CN108812194A (en) * | 2018-06-14 | 2018-11-16 | 安徽省霍山县农伯乐开发有限公司 | A kind of cultivation matrix promoting dendrobium nutrient value and yield |
| CN109769626A (en) * | 2017-11-13 | 2019-05-21 | 丹阳市珥陵镇小潘园土地股份专业合作社 | A kind of sweet potato plantation compost |
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