CN108559002A - A method of manufacturing starch using saline and alkaline real estate sweet potato - Google Patents
A method of manufacturing starch using saline and alkaline real estate sweet potato Download PDFInfo
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- CN108559002A CN108559002A CN201810413731.7A CN201810413731A CN108559002A CN 108559002 A CN108559002 A CN 108559002A CN 201810413731 A CN201810413731 A CN 201810413731A CN 108559002 A CN108559002 A CN 108559002A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/04—Extraction or purification
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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
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/02—Preparatory treatment, e.g. crushing of raw materials or steeping process
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Abstract
The present invention relates to alkaline land improvement technical fields, provide a kind of method for manufacturing starch using saline and alkaline real estate sweet potato, including sweet potato is planted in salt-soda soil by elder generation；Then by obtained sweet potato by slurrying, dilution, precipitated and separated and take object dry after be made starch from sweet potato.Whereby, the present invention provides a kind of methods for manufacturing starch using saline and alkaline real estate sweet potato, by the way that nutriment, additive, deinsectization auxiliary agent are mixed to prepare special fertilizer, and the yield and quality of salt-soda soil plantation sweet potato are improved using special fertilizer；Starch from sweet potato is being manufactured after sweet potato harvesting.It is dramatically increased in salt-soda soil plantation sweet potato ensuing crop sugar content, crop content of starch and yield using special fertilizer, and the nutrient in salt-soda soil is also significantly improved.Obtained starch from sweet potato also achieves significant economic benefit.
Description
Technical field
The present invention relates to alkaline land improvement technical field more particularly to a kind of sides manufacturing starch using saline and alkaline real estate sweet potato
Method.
Background technology
For China's saline alkali land area up to 99,130,000 hectares, salinity contained in salt-soda soil influences the normal growth of crop, kind
Plant plant is influenced by the salinity contained by soil, and survival rate compares relatively low.If salt-soda soil can be utilized, no matter to ours
Agricultural or forestry can all have prodigious benefit.For many years people study always the improvement and utilization in salt-soda soil, using physics
The related technology such as method, chemical method, biological method, however the big slowly effect of the difficulty of governance in salt-soda soil are difficult economically fast
Speed sees effect.
It plants economic crops on salt-soda soil and deep processing is carried out to product, extend the industrial chain of Saline-alkali Field Control, increase
Economic well-being of workers and staff is conducive to the long-term improvement in salt-soda soil.
Sweet potato is drought-enduring, saline-alkali tolerant and the growth period short crop that alkaline land improvement is done suitable for choosing.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Invention content
For above-mentioned defect, the purpose of the present invention is to provide a kind of sides manufacturing starch using saline and alkaline real estate sweet potato
Method, by the way that nutriment, additive, deinsectization auxiliary agent are mixed to prepare special fertilizer, and it is red using special fertilizer raising salt-soda soil plantation
The yield and quality of potato；After sweet potato harvesting by slurrying, dilution, precipitated and separated and take object dry after be made starch from sweet potato.
To achieve the goals above, the present invention provides a kind of method for manufacturing starch using saline and alkaline real estate sweet potato, including such as
Lower step：
The first step：Sweet potato is planted in salt-soda soil
A. special fertilizer is prepared
By nutriment, additive, deinsectization auxiliary agent by weight 45~60:15~40:15~25 are uniformly mixed described
Special fertilizer；
The nutriment includes：5-20 parts of potassium dihydrogen phosphate, 15-50 parts of urea, 5-25 parts of calcium magnesium phosphate, D-Glucose
1-5 parts of sour sodium 10-30 parts, 5-30 parts of potassium sulfate and vinegar grain；
The preparation method of the additive is：Urea, double superhosphate phosphate fertilizer and KCl are pressed 1:1:1 ratio mixing
And water is added to adjust water content to 35%；
The deinsectization auxiliary agent includes datura flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii and chrysanthemum cinesariaefolium；
Further include potassium dihydrogen phosphate, peat soil and water-retaining agent；
B. site preparation is planted
It ploughs deeply sandy soil 25-30cm and combines and plough deeply basal dressing then furrow；The base manure includes：Farm manure 3000 is applied per acre
Kilogram, 20~25 kilograms of calcium superphosphate, 10~15 kilograms of potassium sulfate, 25 kilograms of ammonium hydrogen carbonate；The special fertilizer is finally covered, is covered
Lid thickness 15-25cm；
The plant of top strong sprout is selected, using oblique cutting or plug flat, potato seedling growth is buried 3~5cm, 3 sections, firming consolidation；
C. it harvests
Weeding, disease and pest control, top dressing and irrigation are carried out during plantation；
When harvest, it is down to 15 DEG C or so in temperature and starts to harvest and harvest before being down to 12 DEG C；
Second step：Manufacture starch from sweet potato
The sweet potato that the first step obtains is cleaned, then crushes sweet potato, obtains sweet potato paste；Then by the sweet potato
Slurry is diluted with water, and the weight ratio of the two is 1：3~5；It is filtered after dilution, obtains filtrate；
The grounds travel of gypsum, the mixed liquor of eucommia ulmoides extracts and olive oil, the mixed liquor are added into the filtrate
Addition be the filtrate weight 0.1~0.3%, then stir evenly；
It after the filtrate stirs evenly, staticly settles, until filtrate is separated into upper, middle and lower-ranking；Finally take out middle level object
Matter obtains starch from sweet potato after drying.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the preparation method of the deinsectization auxiliary agent are：
Pass through again after first boiling the datura flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium into the water
Cintrifugal disintegrator crushes；Then the aqueous solution that injection presses down hooligan's missible oil containing 2~3% into crushed material again；The crushed material and water
The weight ratio of solution is 2~3:7, after storing 40~48 hours, adds potassium dihydrogen phosphate, peat soil, water-retaining agent and be mixed
Afterwards the deinsectization auxiliary agent.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the datura flower, RADIX ACONITI KUSNEZIFFII, felwort,
The coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium ratio are 2:3:1~3:1~2:1:2~3:3~5.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the potassium dihydrogen phosphate, peat soil and guarantor
The ratio of aqua is 16~21：4~6：3~8.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the grinding of gypsum in the mixed liquor
The weight ratio of powder, eucommia ulmoides extracts and olive oil is 10：1：1.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the eucommia ulmoides extracts extract for folium cortex eucommiae
Object.
The method according to the present invention for manufacturing starch using saline and alkaline real estate sweet potato, the production method of the eucommia leaf extract
For：Folium cortex eucommiae is crushed, 150 mesh are crossed, the ethanol water of a concentration of 60-70% is added, adjusts pH value 5-6, is carried out at microwave
Reason, then extracts 2-3 times under 60-70 DEG C of constant temperature, each 60-120min, merges extracting solution；Finally carry out centrifugation point
From, filter, be concentrated and dried to obtain the eucommia leaf extract.
The purpose of the present invention is to provide a kind of method for manufacturing starch using saline and alkaline real estate sweet potato, by by nutrients
Matter, additive, deinsectization auxiliary agent are mixed to prepare special fertilizer, and the yield and quality of salt-soda soil plantation sweet potato are improved using special fertilizer；
After sweet potato harvesting by slurrying, dilution, precipitated and separated and take object dry after be made starch from sweet potato.Using special fertilizer in salt-soda soil kind
Sweet potato ensuing crop sugar content, crop content of starch and yield is planted to be dramatically increased, and the nutrient in salt-soda soil also obtains
It significantly improves.Obtained starch from sweet potato also achieves significant economic benefit.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The present invention provides a kind of methods for manufacturing starch using saline and alkaline real estate sweet potato, include the following steps：
The first step：Sweet potato is planted in salt-soda soil
A. special fertilizer is prepared
By nutriment, additive, deinsectization auxiliary agent by weight 45~60:15~40:15~25 are uniformly mixed described
Special fertilizer；
The nutriment includes：5-20 parts of potassium dihydrogen phosphate, 15-50 parts of urea, 5-25 parts of calcium magnesium phosphate, D-Glucose
1-5 parts of sour sodium 10-30 parts, 5-30 parts of potassium sulfate and vinegar grain；
The preparation method of the additive is：Urea, double superhosphate phosphate fertilizer and KCl are pressed 1:1:1 ratio mixing
And water is added to adjust water content to 35%；
The deinsectization auxiliary agent includes datura flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii and chrysanthemum cinesariaefolium；
Further include potassium dihydrogen phosphate, peat soil and water-retaining agent；
B. site preparation is planted
It ploughs deeply sandy soil 25-30cm and combines and plough deeply basal dressing then furrow；The base manure includes：Farm manure 3000 is applied per acre
Kilogram, 20~25 kilograms of calcium superphosphate, 10~15 kilograms of potassium sulfate, 25 kilograms of ammonium hydrogen carbonate；The special fertilizer is finally covered, is covered
Lid thickness 15-25cm；
The plant of top strong sprout is selected, using oblique cutting or plug flat, potato seedling growth is buried 3~5cm, 3 sections, firming consolidation；
C. it harvests
Weeding, disease and pest control, top dressing and irrigation are carried out during plantation；
When harvest, it is down to 15 DEG C or so in temperature and starts to harvest and harvest before being down to 12 DEG C；
Preferably, the preparation method of the deinsectization auxiliary agent of the invention is：First by the datura flower, RADIX ACONITI KUSNEZIFFII, rough gentian
Grass, the coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium are crushed by cintrifugal disintegrator again after boiling into the water；Then again toward crushing
Aqueous solution of the injection containing 2~3% suppression hooligan's missible oil in object；The weight ratio of the crushed material and aqueous solution is 2~3:7, storage 40
After~48 hours, adds after potassium dihydrogen phosphate, peat soil, water-retaining agent are mixed and obtain the deinsectization auxiliary agent；
Preferably, the datura flower of the invention, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium ratio
Example is 2:3:1~3:1~2:1:2~3:3~5.
Preferably, the potassium dihydrogen phosphate of the invention, peat soil and water-retaining agent ratio are 16~21：4~6：3~8.
The deinsectization auxiliary agent changes the performances such as the water suction, water conservation, toughening of special fertilizer described in improving；Also have the function of that pressing down worm reduces
The incidence of insect pest.
The nutriment provides the nutritional ingredient that nutrient improves crop yield and improves soil to crop production.
Second step：Manufacture starch from sweet potato
The sweet potato that the first step obtains is cleaned, then crushes sweet potato, obtains sweet potato paste；Then by the sweet potato
Slurry is diluted with water, and the weight ratio of the two is 1：3~5；It is filtered after dilution, obtains filtrate；
The grounds travel of gypsum, the mixed liquor of eucommia ulmoides extracts and olive oil, the mixed liquor are added into the filtrate
Addition be the filtrate weight 0.1~0.3%, then stir evenly；
Preferably, the weight ratio of the grounds travel of gypsum, eucommia ulmoides extracts and olive oil is 10 in the mixed liquor：1：1；
When preparation, the grounds travel of gypsum is first dissolved into saturation parget water into the water, eucommia ulmoides extracts and olive oil is then added,
It stirs evenly up to mixed liquor；
It after the filtrate stirs evenly, staticly settles, until filtrate is separated into upper, middle and lower-ranking；Finally take out middle level object
Matter obtains starch from sweet potato after drying.
Soil, starch from sweet potato and water are just separated into upper, middle and lower-ranking in filtrate, and bottom is dirt bed, and centre is sweet potato
Stratum granulosum is topmost water.
The eucommia ulmoides extracts are eucommia leaf extract, and production method is：Folium cortex eucommiae is crushed, 150 mesh are crossed, concentration is added
For the ethanol water of 60-70%, the weight ratio of folium cortex eucommiae and ethanol water is 1:20, pH value 5-6 is adjusted, is carried out at microwave
Reason, then extracts 2-3 times under 60-70 DEG C of constant temperature, each 60-120min, merges extracting solution, then carries out centrifugation point
From, filter, be concentrated and dried.
To obtain the preferred forms of crop-planting method, preferable income is obtained.Inventor changes the ratio of each component
Example prepares special fertilizer as embodiment, and uses the special fertilizer of different embodiments in the plantation of the enterprising row crop in salt-soda soil, used
Implantation methods are same as above；Special fertilizer long-term cropping is not used on comparison plot simultaneously as comparative example, the results are shown in Table 1；Following reality
It applies example and only lists the part different from above-mentioned steps, identical content is no longer listed；
Embodiment one：
The proportioning of nutriment, additive and deinsectization auxiliary agent in the special fertilizer is 55:35:15；
After sweet potato being planted using the special fertilizer in salt-soda soil：Crop sugar content increases by 17%, and crop content of starch increases
Add 8%, yield increases by 12%, and insect pest incidence reduces by 15%, and K contents increase by 18.9% in salt-soda soil.
Embodiment two：
The proportioning of nutriment, additive and deinsectization auxiliary agent in the special fertilizer is 50:30:20；
After sweet potato being planted using the special fertilizer in salt-soda soil：Crop sugar content increases by 19%, and crop content of starch increases
Add 9%, yield increases by 13%, and insect pest incidence reduces by 17.3%, and K contents increase by 18.6% in salt-soda soil.
Embodiment three：
The proportioning of nutriment, additive and deinsectization auxiliary agent in the special fertilizer is 60:15:25；
After sweet potato being planted using the special fertilizer in salt-soda soil：Crop sugar content increases by 15%, and crop content of starch increases
Add 8.5%, yield increases by 11%, and insect pest incidence reduces by 14.9%, and K contents increase by 17.3% in salt-soda soil.
Example IV：
The proportioning of nutriment, additive and deinsectization auxiliary agent in the special fertilizer is 45:40:15；
After sweet potato being planted using the special fertilizer in salt-soda soil：Crop sugar content increases by 18%, and crop content of starch increases
Add 9.5%, yield increases by 11%, and insect pest incidence reduces by 16.6%, and K contents increase by 16.4% in salt-soda soil.
The implementation procedure of other embodiments repeats no more, and table 1 is the various embodiments described above and other section Example is not shown
Data.After planting sweet potato in salt-soda soil using special fertilizer of the present invention known to above example：Crop sugar content increases
12~19%, crop content of starch increases by 5~9.5%, and yield increases by 8~13%, and insect pest incidence reduces by 13~17.8%, salt
K contents increase by 15~18.9% in alkali ground.The sweet potato harvested using the above various embodiments has been made high-quality by abovementioned steps
Starch from sweet potato.The starch from sweet potato of each batch is made product and has carried out on probation and informal selling by inventor, and it is positive to have obtained market
Feedback, obtain preferable public praise and income.
Table 1
Note 1：Application effect is got by radix calculating of comparative example.
In conclusion the purpose of the present invention is to provide a kind of method for manufacturing starch using saline and alkaline real estate sweet potato, pass through
Nutriment, additive, deinsectization auxiliary agent are mixed to prepare special fertilizer, and improve the yield of salt-soda soil plantation sweet potato using special fertilizer
And quality；After sweet potato harvesting by slurrying, dilution, precipitated and separated and take object dry after be made starch from sweet potato.Existed using special fertilizer
Salt-soda soil plantation sweet potato ensuing crop sugar content, crop content of starch and yield are dramatically increased, and salt-soda soil is foster
Divide and is also significantly improved.Obtained starch from sweet potato also achieves significant economic benefit.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (7)
1. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato, which is characterized in that include the following steps：
The first step：Sweet potato is planted in salt-soda soil
A. special fertilizer is prepared
By nutriment, additive, deinsectization auxiliary agent by weight 45~60:15~40:15~25 are uniformly mixed described special
Fertilizer；
The nutriment includes：5-20 parts of potassium dihydrogen phosphate, 15-50 parts of urea, 5-25 parts of calcium magnesium phosphate, maltonic acid sodium
1-5 parts of 10-30 parts, 5-30 parts of potassium sulfate and vinegar grain；
The preparation method of the additive is：Urea, double superhosphate phosphate fertilizer and KCl are pressed 1:1:1 ratio mixes and adds
Water adjusts water content to 35%；
The deinsectization auxiliary agent includes datura flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii and chrysanthemum cinesariaefolium；Also wrap
Include potassium dihydrogen phosphate, peat soil and water-retaining agent；
B. site preparation is planted
It ploughs deeply sandy soil 25-30cm and combines and plough deeply basal dressing then furrow；The base manure includes：It is public that farm manure 3000 is applied per acre
Jin, 20~25 kilograms of calcium superphosphate, 10~15 kilograms of potassium sulfate, 25 kilograms of ammonium hydrogen carbonate；The special fertilizer is finally covered, is covered
Thickness 15-25cm；
The plant of top strong sprout is selected, using oblique cutting or plug flat, potato seedling growth is buried 3~5cm, 3 sections, firming consolidation；
C. it harvests
Weeding, disease and pest control, top dressing and irrigation are carried out during plantation；
When harvest, it is down to 15 DEG C or so in temperature and starts to harvest and harvest before being down to 12 DEG C；
Second step：Manufacture starch from sweet potato
The sweet potato that the first step obtains is cleaned, then crushes sweet potato, obtains sweet potato paste；Then the sweet potato paste is used
Water dilutes, and the weight ratio of the two is 1：3~5；It is filtered after dilution, obtains filtrate；
The grounds travel of gypsum, the mixed liquor of eucommia ulmoides extracts and olive oil are added into the filtrate, the mixed liquor adds
Enter 0.1~0.3% that amount is the filtrate weight, then stirs evenly；
It after the filtrate stirs evenly, staticly settles, until filtrate is separated into upper, middle and lower-ranking；Middle level substance is finally taken out,
Starch from sweet potato is obtained after drying.
2. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 1, which is characterized in that described to remove
The preparation method of worm auxiliary agent is：First the datura flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium are put
Enter and is crushed again by cintrifugal disintegrator after being boiled in water；Then into crushed material, injection presses down the water-soluble of hooligan's missible oil containing 2~3% again
Liquid；The weight ratio of the crushed material and aqueous solution is 2~3:7, after storing 40~48 hours, add potassium dihydrogen phosphate, peat
Soil, water-retaining agent obtain the deinsectization auxiliary agent after being mixed.
3. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 2, which is characterized in that the ocean
Golden flower, RADIX ACONITI KUSNEZIFFII, felwort, the coptis, purple perilla, tripterygium wilfordii, chrysanthemum cinesariaefolium ratio are 2:3:1~3:1~2:1:2~3:3~
5。
4. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 3, which is characterized in that the phosphorus
The ratio of acid dihydride potassium, peat soil and water-retaining agent is 16~21：4~6：3~8.
5. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 1, which is characterized in that described mixed
The weight ratio for closing the grounds travel of gypsum, eucommia ulmoides extracts and olive oil in liquid is 10：1：1.
6. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 1, which is characterized in that Du
Secondary extract is eucommia leaf extract.
7. a kind of method for manufacturing starch using saline and alkaline real estate sweet potato according to claim 6, which is characterized in that Du
The production method of secondary leaf extract is：Folium cortex eucommiae is crushed, 150 mesh is crossed, the ethanol water of a concentration of 60-70% is added, is adjusted
PH value 5-6 is saved, microwave treatment is carried out, is then extracted 2-3 times under 60-70 DEG C of constant temperature, each 60-120min, merging carries
Take liquid；Finally it is centrifuged, filters, being concentrated and dried and to obtain the eucommia leaf extract.
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| CN102977217A (en) * | 2012-10-19 | 2013-03-20 | 吉首大学 | Sweet potato starch processing method |
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| CN105724035A (en) * | 2016-03-16 | 2016-07-06 | 青岛农业大学 | Saline-alkali soil wheat wide-furrow sowing cultivation technology |
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| CN105993268A (en) * | 2016-05-31 | 2016-10-12 | 山东胜伟园林科技有限公司 | Method for carrying out original-soil greening on seawater-dipped saline and alkaline land through salt absorption agents with sugar residue paste |
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