CN102784185A - Artificially cultivated selenium-rich radix codonopsitis and cultivating process thereof - Google Patents
Artificially cultivated selenium-rich radix codonopsitis and cultivating process thereof Download PDFInfo
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Abstract
The invention relates to an artificially cultivated selenium-rich radix codonopsitis and a cultivating process of the artificially cultivated selenium-rich radix codonopsitis. The content of selenium in the artificially cultivated selenium-rich radix codonopsitis is 3,100-9,800mg/kg, and the content of organic selenium takes up not less than 70% of the selenium total content. The cultivating process of the artificially cultivated selenium-rich radix codonopsitis is implemented in the way of seedling, ditching and transplanting. In the cultivating step, the nano-selenium plant nutrients are uniformly applied into ditches before the radix codonopsitis seedlings are transplanted, and the dose of the nano-selenium plant nutrients is 10-40kg/mu; and then the radix codonopsitis seedlings are obliquely transplanted into ditches so as to turn the soil and bury the seedlings, and then are subjected to field managements, such as weeding, stem cutting, fertilizer applying, irrigation and pest control, and finally foliar application by using 5-15% of aqueous solution of the nano-selenium plant nutrients during a full-bloom stage of the radix codonopsitis. The cultivating method is strong in operability, suitable for standardizing and scale product of the traditional Chinese medicinal materials, and the appearance and quality indexes of the selenium-rich radix codonopsitis cultivated by the method are prior to that of the ordinary radix codonopsitis.
Description
Technical field
The present invention relates to a kind of Chinese crude drug and cultural method thereof, specifically is a kind of rich selenium Radix Codonopsis of artificial growth and the cultural method of this richness selenium Radix Codonopsis, belongs to Chinese crude drug production and field of plant growing technology.
Background technology
The Chinese crude drug Radix Codonopsis is the campanulaceae herbaceos perennial, and its root is used as medicine, and for China's traditional tonic commonly used, has invigorating the spleen and replenishing QI, the effect of spleen invigorating lung benefiting.Modern study; Radix Codonopsis contains various saccharides, phenols, sterol, volatile oil, scutellarein glucosid, Saponin and micro-alkaloid; Have effects such as enhancing immunity, blood vessel dilating, blood pressure lowering, microcirculation improvement, enhancing hemopoietic function, in addition the leukopenia that chemotherapy radiotherapy causes is had castering action.Medicinal since ancient times Radix Codonopsis relies on the nature wild plant basically; Along with the rapid growth of the whole world to the Chinese herbal medicine demand, made the medicinal plants wild resource sharply reduce, thereby no matter from protection of resources; Still from medical material production angle, artificial culture all has been unique selection.
Selenium is the necessary trace element of human body, has biological characteristicses such as cancer-resisting, antioxidation, defying age, raising immunity, enjoys good reputations such as " free radical street cleaner ", " life kindling material ", " anticancer king ".At present, confirmed that human body has 25 kinds of selenium proteins and selenoenzyme at least, one of them important antioxidase-glutathion peroxidase (GSHPX) just is proved to be a selenoenzyme; Also has selenium protein P; Selenium protein W, PHGPX, IDI and recent newfound sulfur oxygen cyclase protein reductase etc. is a selenoenzyme; Therefore, the physiology of selenium and human body, biochemistry, reproduction and life all have crucial relation.Yet; Inorganic selenium are difficult for directly being absorbed by human body, and the content of organic selenium in natural biology of the utilization that can be absorbed by the body is very little, far can not satisfy the Human Physiology needs; Particularly the content difference in natural Chinese medicinal herb is very big and unstable, and medical value is restricted.
Evidence, Radix Codonopsis are a kind of accumulation property plants of selenium element, and stronger selenium rich ability is arranged, and can effectively the selenium that absorbs be converted into the selenium of organic form, are the desirable carrying agents of producing rich selenium product.The Application and Development of rich selenium Radix Codonopsis of Chinese crude drug and artificial cultivation technique thereof with opening up new curative effect of Chinese crude drug and artificial frontier of producing, for its increasing yield and improving quality, high-efficient selenium-rich are given new intension and point of economic increase, will produce positive role and benefit to the society and the people's livelihood.
In artificial growth Chinese crude drug culture technics field; Chinese patent 201010616742.9 discloses a kind of high selenium Radix Astragali and breeding method thereof; In addition; In the industry also relevant for as the artificial culture scientific research information dissemination of rich selenium Flos Lonicerae etc., but do not find as yet at present about the rich selenium Radix Codonopsis of artificial growth and the public technology of cultural method thereof, particularly be fit to the rich selenium Radix Codonopsis and the cultural method thereof of the artificial growth of standardization, standardization production.
Summary of the invention
The objective of the invention is to seek the simple and easy to do standardized planting method of the rich selenium Radix Codonopsis of a kind of artificial growth, rich selenium upgrading; Make the Radix Codonopsis Se content that adopts this method to produce relatively stable between 3000～10000mg/kg, and wherein organic selenium content account for ratio >=70% of total selenium amount.
For realizing above-mentioned purpose, the present invention has taked following technical proposals:
The present invention adopts artificial breeding, trench digging transplantation technique; Through using of nanometer selenium plant nutrient agent; The rich selenium Radix Codonopsis of the artificial growth that provides a kind of outward appearance and quality obviously to be superior to common Radix Codonopsis; Its Se content is between 3100～9800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount.
Preferably, the rich selenium Radix Codonopsis of said artificial growth, its Se content are between 4600～9800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount;
Preferably, the rich selenium Radix Codonopsis of said artificial growth, its Se content are between 4700～7800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount;
The cultural method of the rich selenium Radix Codonopsis of artificial growth provided by the invention, realize through adopting following cultivation scheme:
1). site preparation and fertilization: the selection height above sea level is 1300～2100m, and pH value is 6.0～7.5 higher humus sand loam, behind the pro-stubble crop harvesting, evenly spreads fertilizer over the fields mixing base manure 6～August on the face of land, the 25～35cm that turns over immediately then, rake a kind of farm tools is smooth;
2). trench digging is transplanted: on smooth good planting site, press ditch apart from 25cm, dark 25～30cm trench digging, the nanometer selenium plant nutrient agent is evenly spread fertilizer over the fields in ditch by every mu of 10～40kg; Then the seedling of handling well is put in the other side of ditch by 3～5cm spacing in the rows, the symptom of a trend is lower than ground 1～2cm, then earthing 1～2cm, suitably suppression;
3). field management: after transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; 6～July full-bloom stage spray the blade face with every mu of 3kg of 0.5% compound potassium sulfate fertilizer or 0.3% potassium dihydrogen phosphate, at a distance from spray in 10 days 1 time, company sprays 3～4 times; When meeting continuous arid climate, pour water 1～2 time;
4). imposing of nanometer selenium plant nutrient agent: 6～July, full-bloom stage imposed said compound potassium sulfate fertilizer of above-mentioned steps (3) and potassium dihydrogen phosphate after 4～7 days; Aqueous solution with nanometer selenium plant nutrient agent 5%～15% sprays the blade face, sprays once after 10～15 days at interval again;
5). trophophase carry out the prevention and control of plant diseases, pest control by conventional method and give concentrate harvest time excavate, dry and storage.The said mixing base manure that applies of above-mentioned steps (1) and every mu of consumption are: high-quality farm manure 2000～3000kg, Diammonium phosphate (DAP) 20～25kg, carbamide 15～20kg, calcium superphosphate 35～40kg.
The described seedling of above-mentioned steps (2); After soaking root with concentration 0.06% sodium humate solution by spacing in the rows 3～5cm, line-spacing 20～30cm field planting; The density of keeping a full stand of seedings is every mu 6.5～7.8 ten thousand strains, and transplanting time is after spring, mid or late March soil thawed, to be the best in the week.
Above-mentioned steps (2) and the described nanometer selenium plant nutrient agent of step (4) are that the Se content produced of Suzhou selenium paddy Science and Technology Ltd. research and development is at the Powdered nutrient of the black solid of 1000～5000mg/kg.
Above-mentioned steps (3) is described pours water and is meant at Radix Codonopsis full-bloom stage or rhizome expanding stage (6～August) and meets every mu of 50～60m that pours water when continuing more than 20 days arid
3
The present invention has the following advantages:
1, the invention provides a kind of rich selenium Radix Codonopsis of artificial growth, it is 3100～9800mg/kg that its selenium contains, and its organic selenium content accounts for ratio >=70% of total selenium amount, has increased the medical value and the commercial added value of Radix Codonopsis;
2, fresh and tender, the Bai Mei of the rich selenium Radix Codonopsis outward appearance of artificial growth that uses the inventive method to produce, its quality obviously is superior to common Radix Codonopsis;
3, adopt method provided by the invention workable, can realize standardized production, and Se content relatively stable in the artificial growth Radix Codonopsis that can guarantee to be produced;
4, the present invention is simple and easy to do, with low cost, can be widely used in tame scientific, large-scale industrial production of Chinese crude drug and management.
The specific embodiment
The rich selenium Radix Codonopsis and the cultural method thereof of a kind of artificial growth of the present invention, its specific embodiment may further comprise the steps:
1). transplant environmental selection: field planting is 1300～2100m in height above sea level; Soil is the sand loam fertile, that humus is higher that loosens, and draining is good, and its pH value is 6.0～7.5;
2). crops for rotation are selected.: preceding crop with crops such as wheat and barley, beans, potato class, Brassica campestris L, cereal classes for well;
3). site preparation and fertilization: behind the pro-stubble crop harvesting; Let the face of land evenly spread fertilizer over the fields base manure at the said soil of step (1) 6～August; The base manure amount is every mu and applies high-quality farm manure 2000～3000kg, Diammonium phosphate (DAP) 20～25kg, carbamide 15～20kg, calcium superphosphate 35～40kg; Accomplish the full and uniform mixing of clay fertilizer, the 25～35cm that turns over immediately then, rake a kind of farm tools is smooth;
4). rational close planting: transplant density by spacing in the rows 3～5cm, line-spacing 20～30cm field planting.The density of keeping a full stand of seedings is every mu 6.5～7.8 ten thousand strains;
5). seedling is selected: before transplanting, with little Lao Miao, bifurcated Seedling, rotten, mouldy, scab insect bite, incised wound are arranged, the sick and wounded Seedling that abrades, fracture removes, and selects the thick 3～15mm of rhizome, the healthy and strong seedling transplanting of the long 15～35cm of root;
6). transplanting time: after spring, mid or late March soil thawed, can transplant, more early good more.
7). soak root: will choose seedling root to be planted and be placed in the concentration 0.06% sodium humate solution and soak half an hour, and take out and plant after drying in the air slightly;
8). method for transplanting: adopt the furrow planting mode to transplant, press ditch apart from 25cm, dark 25～30cm ditches in the described plot of step (1); Then the seedling of handling well in the said step (7) tiltedly is put in the other side of ditch by 3～5cm spacing in the rows; The symptom of a trend is lower than ground 1～2cm, then earthing 1～2cm, suitably suppression.
9). using of nanometer selenium plant nutrient agent: behind trench digging, before the kind transplantation of seedlings, the nanometer selenium plant nutrient agent is evenly spread fertilizer over the fields in ditch by every mu of 10～40kg;
10). field management: after transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; 6～July full-bloom stage spray the blade face with every mu of 3kg of 0.5% compound potassium sulfate fertilizer or 0.3% potassium dihydrogen phosphate, at a distance from spray in 10 days 1 time, company sprays 3～4 times; When meeting continuous arid climate, pour water 1～2 time;
11). imposing of nanometer selenium plant nutrient agent: 6～July full-bloom stage impose the compound potassium sulfate fertilizer described in the above-mentioned steps (10) and potassium dihydrogen phosphate after 4～7 days; Aqueous solution with nanometer selenium plant nutrient agent 5%～15% sprays the blade face, sprays once after 10～15 days at interval again;
12). trophophase carries out the control of conventional disease, insect pest;
13). concentrate harvest time excavate, dry and storage;
High-quality farm manure in the said step (3) is cattle and sheep excrement or pig manure, after mixing 10%～20% soil and fully becoming thoroughly decomposed, behind the pro-stubble crop harvesting (6～August) plough deeply by every mu of 2000～3000kg and apply;
Seedling in the said step (5) is local self-fertile Radix Codonopsis Seedling.
Transplanting time in the said step (6) is the best to transplant in the week after early spring, mid or late March soil thawed;
Trench digging mode in said step (8) method for transplanting is to ditch according to long the moving towards in ground with people's animal power or mechanical traction, opens a furrow planting delegation, and rakes with the soil covering immediately.Putting of transplanted seedling to favouring in same direction about trench 30 degree;
Said step (9) of the nano-selenium plant nutrients selenium Gu Suzhou Co., Ltd. developed the production of selenium content in 1000 ~ 5000mg/kg black solid powdered nutritional supplement;
Pouring water in the said step 10) is meant at Radix Codonopsis full-bloom stage or rhizome expanding stage (6～August) meets every mu of 50～60m3 that pours water when continuing more than 20 days arid;
Imposing to using water as solvent of said step (11) nanometer selenium plant nutrient agent after evenly extremely all dissolving by the also continuous stirring of 5%～15% mixed, evenly is sprayed on the blade face with aerosol apparatus.
Evidence; The nanometer selenium plant nutrient agent that the inventive method adopted is to participate in shifting with the form of selenate radical in Radix Codonopsis plant body, and selenium fertilizer is absorbed and is converted into the selenate of biologically active and the biological metabolism of other selenides participation Radix Codonopsis Seedlings with the form of selenite at the Radix Codonopsis root; The Rhizoma panacis majoris face that is a member of a political party sprays selemium nutrition agent aqueous solution, and under photosynthesis, the absorption ability of nutrient of blade increases by 500, and is not merely inorganic selenium and is converted into organic selenium and has put aside energy, has more promoted the biologic inorganic conversion process of Radix Codonopsis plant.
According to surveying and determination, in the Radix Codonopsis organic selenium mainly with selenocysteine HSe-CH
2CH (NH
2)-COOH), methylselenocysteinefrom CH
3Se-CH
2-CH (NH
2)-COOH), Selenomethionine CH
3-Se-CH
2-CH
2-CH (NH
2)-COOH), selenium methyl selenomethionine (CH3) 2-Se+-CH2-CH2-CH (NH2)-COOH): (DMSe, CH3-Se-CH3) etc. form exists for selenourea (NH2) C=Se, DL-Selenocystine HOOC-CH (NH2)-CH2-Se-Se-CH2-CH (NH2)-COOH), dimethyl-selenide.
The applicant adopts atomic spectrometry determination and morphological analysis that selenium constituent content and organic selenium content in the rich selenium Radix Codonopsis of artificial growth of the present invention are measured respectively; Test result shows; Use the rich selenium Radix Codonopsis of the inventive method cultivation; Its Se content and organic selenium ratio index all reach and have surpassed the desired effect of the object of the invention.
Below in conjunction with specific embodiment technical scheme of the present invention is further specified, not marked in an embodiment implementation condition is generally the condition in the conventional cultivation management.
Embodiment 1:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake a kind of farm tools is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with 0.06% sodium humate solution soaking seedling half an hour of concentration.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 10kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the potassium dihydrogen phosphate with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through the average Se content >=3100mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Embodiment 2:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake a kind of farm tools is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with 0.06% sodium humate solution soaking seedling half an hour of concentration.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 25kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the potassium dihydrogen phosphate with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through the average Se content >=4600mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Embodiment 3:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake a kind of farm tools is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with soaking seedling half an hour in the concentration 0.06% sodium humate solution.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 40kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the di(2-ethylhexyl)phosphate hydrogen clock with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through the average Se content >=7800mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Embodiment 4:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake sugar is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with soaking seedling half an hour in the concentration 0.06% sodium humate solution.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 25kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.And topdress twice respectively at early June and the last ten-days period carrying out foliage-spray with 5% nanometer selenium plant nutrient agent aqueous solution.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the potassium dihydrogen phosphate with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through about the average Se content >=4700mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Embodiment 5:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake a kind of farm tools is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with soaking seedling half an hour in the concentration 0.06% sodium humate solution.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 30kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.And topdress twice respectively at early June and the last ten-days period carrying out foliage-spray with 10% nanometer selenium plant nutrient agent aqueous solution.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the potassium dihydrogen phosphate with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through the average Se content >=5600mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Embodiment 6:
Select height above sea level 1930m, loose fertile, humus is higher, cultivate on well-drained sand loam ground, soil pH value is 6.8, the first crop crop is a Semen Tritici aestivi.Behind the pro-stubble crop harvesting, apply base manure according to every mu of ratio that applies high-quality farm manure 3000kg, Diammonium phosphate (DAP) 20kg, carbamide 20kg, calcium superphosphate 40kg July, and the 25～35cm that turns over, and rake a kind of farm tools is smooth.Before the transplanting,, take out the reserve of drying in the air slightly and plant with soaking seedling half an hour in the concentration 0.06% sodium humate solution.
Adopt the trench digging transplanting method, trench digging 25～30cm, every even nanometer selenium plant nutrient agent 35kg that applies per mu carries out field planting in late March by spacing in the rows 3～5cm, line-spacing 25cm and transplants.And topdress twice respectively at early June and the last ten-days period carrying out foliage-spray with 15% nanometer selenium plant nutrient agent aqueous solution.
After transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; In late June during full-bloom stage, every mu of 3kg of the potassium dihydrogen phosphate with 0.3% sprays the blade face, and at a distance from spray in 10 days 1 time, company sprays 3 times; Mid-October, treating on the ground stem and leaf, yellow to remove stem after withered climing, carefully digs out root.
Through the average Se content >=9800mg/kg of the rich selenium Radix Codonopsis of artificial growth of said method cultivation, and organic selenium content proportion >=70% wherein.
Can find out that from the foregoing description the method for application of nanometer selenium plant nutrient agent, time and consumption are most important to effect of the present invention.The cultivation result of the rich selenium Radix Codonopsis of embodiment 1～6 artificial growth sees table 1.
The cultivation result of the rich selenium Radix Codonopsis of table 1 embodiment 1～6 artificial growth
Claims (8)
1. the rich selenium Radix Codonopsis of an artificial growth is characterized in that, the Se content of this richness selenium Radix Codonopsis is between 3100～9800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount.
2. the cultural method of the rich selenium Radix Codonopsis of an artificial growth is characterized in that, it comprises following cultivation step:
1). site preparation and fertilization: the selection height above sea level is 1300～2100m, and pH value is 6.0～7.5 higher humus sand loam, behind the pro-stubble crop harvesting, evenly spreads fertilizer over the fields mixing base manure 6～August on the face of land, the 25～35cm that turns over immediately then, rake a kind of farm tools is smooth;
2). trench digging is transplanted: on smooth good planting site, press ditch apart from 25cm, dark 25～30cm trench digging evenly spreads fertilizer over the fields the nanometer selenium plant nutrient agent in ditch by every mu of 10～40kg; Then the seedling of handling well is tilted to put in the other side of ditch, the symptom of a trend is lower than ground 1～2cm, then earthing 1～2cm, suitably suppression;
3). field management: after transplanting 30 days, carry out intertill and clean tillage the 1st time, the 2nd intertill and clean tillage during the long 5～10cm of Seedling tendril, the 3rd intertill and clean tillage during the long 25cm of Seedling tendril; Part grows to 12～15cm that 1m prescinds branches and tendrils when above on the ground, makes ground and underground growth balance; 6～July full-bloom stage spray the blade face with every mu of 3kg of 0.5% compound potassium sulfate fertilizer or 0.3% potassium dihydrogen phosphate, at a distance from spray in 10 days 1 time, company sprays 3～4 times; When meeting continuous arid climate, pour water 1～2 time;
4). imposing of nanometer selenium plant nutrient agent: 6～July, full-bloom stage imposed said compound potassium sulfate fertilizer of above-mentioned steps (3) and potassium dihydrogen phosphate after 4～7 days; Aqueous solution with nanometer selenium plant nutrient agent 5%～15% sprays the blade face, sprays once after 10～15 days at interval again;
5). trophophase carry out the prevention and control of plant diseases, pest control by conventional method and give concentrate harvest time excavate, dry and storage.
3. the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 1 is characterized in that, its Se content is between 4600～9800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount.
4. the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 1 is characterized in that, its Se content is between 4700～7800mg/kg, and its organic selenium content accounts for ratio >=70% of total selenium amount.
5. the cultural method of the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 2; It is characterized in that mixing base manure and every mu of consumption of applying described in the site preparation and fertilization are: high-quality farm manure 2000～3000kg, Diammonium phosphate (DAP) 20～25kg, carbamide 15～20kg, calcium superphosphate 35～40kg.
6. the cultural method of the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 2; It is characterized in that; Seedling described in trench digging is transplanted is before transplanting, after root soaks with concentration 0.06% sodium humate solution in elder generation, by spacing in the rows 3～5cm, line-spacing 20～30cm field planting; The density of keeping a full stand of seedings is every mu 6.5～7.8 ten thousand strains, and transplanting time is after spring, mid or late March soil thawed, to be the best in the week.
7. the cultural method of the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 2; It is characterized in that; Described ditch spread and/or the nanometer selenium plant nutrient agent that imposes, the Se content that is the research and development production of Suzhou selenium paddy Science and Technology Ltd. is at the Powdered nutrient of the black solid of 1000～5000mg/kg.
8. the cultural method of the rich selenium Radix Codonopsis of a kind of artificial growth as claimed in claim 2 is characterized in that, pouring water described in the field management is meant at Radix Codonopsis full-bloom stage or rhizome expanding stage (6～August) meets every mu of 50～60m that pours water when continuing more than 20 days arid
3
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| CN112655497A (en) * | 2020-12-21 | 2021-04-16 | 王凤敏 | Selenium-rich ginseng and cultivation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103330795A (en) * | 2013-06-21 | 2013-10-02 | 张贞旺 | Preparation method of selenium-enriched codonopsis pilosula food soaking health care lotion |
| CN105210530A (en) * | 2015-10-29 | 2016-01-06 | 文县科学技术局 | A kind of line Radix Codonopsis soil testing and fertilizer recommendation method |
| CN107691217A (en) * | 2017-10-31 | 2018-02-16 | 文县建伟商贸有限责任公司 | A kind of high-quality line Radix Codonopsis cultivated land broadband ridging facility covers efficiency cultivation technology for high |
| CN107969305A (en) * | 2017-11-22 | 2018-05-01 | 陇西县农业技术推广中心 | A kind of anti drought cultivation method of Radix Codonopsis |
| CN107820979A (en) * | 2017-11-24 | 2018-03-23 | 荔浦县万家兴果蔬专业合作社 | A kind of implantation methods of summer orange |
| CN108283118A (en) * | 2017-12-16 | 2018-07-17 | 张绍和 | A kind of selenium-rich milk nurse ginseng is cultivated and planting technology |
| CN111386993A (en) * | 2018-12-14 | 2020-07-10 | 湖南省土壤肥料研究所 | Codonopsis pilosula high-yield cultivation technology and conditioner |
| CN110495366A (en) * | 2019-08-22 | 2019-11-26 | 湖北省农业科学院中药材研究所 | A kind of cultural method of selenium-rich radix codonpsis tangshen |
| CN112655497A (en) * | 2020-12-21 | 2021-04-16 | 王凤敏 | Selenium-rich ginseng and cultivation method thereof |
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