CN101455154A - High-yield cultivation method of picrorhiza rhizome - Google Patents
High-yield cultivation method of picrorhiza rhizome Download PDFInfo
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Abstract
The present invention pertaining to the field of traditional Chinese medicine cultivation technology relates to a high-yield cultivation method of picrorhiza. The method comprises processes of soil selection, soil preparation, seedling, breeding and management that are selecting a cold mountainous area with an altitude of 2700-3000m, brown soil having a night tide propensity, air with a relative humidity of 70-90%,soil with a organic content of 2-3%; fertilizing basic fertilizers with farmyard manure of 2000-3000kg and acid phosphate 20-50kg per mu yield; performing shading and earthing up processes to picrorhiza seedings adopting vegetative propagation; selecting axillary seedlings having fibrous roots and terminal buds to plant by a seedling space of 10-30cmX20-40cm, then coving the seedlings with black plastic films; maintaining a soil relative water content of 70-85% in the period of growth, and the like. According to the present invention, mu yield dry material of the medicinal positions can reach 260-300kg, thus, the output value is increased by 29-46% by comparation, comparing with the wild picrorhiza, the main active component content of the cultivated picrorhiza is increased by 1-3%, and the method has a strong integrity and is simple.
Description
Technical field
The present invention relates to the Chinese medicine cultivation technical field, be specifically related to the high-yield cultivating method of Radix picrorrhizae.
Background technology
Radix picrorrhizae (Picrorhiza scrophulariiflora Pennell) is a Scrophulariaceae Picrorrhiza herbaceos perennial, is the traditional Chinese medicine of formally taking in NF, also is Chinese Second Class Key Protected Plant.Radix picrorrhizae has the effect of heat-clearing, dehumidifying, bright eyes, tonifying liver, beneficial courage, desinsection.Radix picrorrhizae also is that a kind of important national medicinal material of use and the important source material medicine of multiple Chinese patent drug have followed in ethnic groups such as the Nu nationality, Tibetan, Lisu, Naxi since the centuries, is usually used in treating diseases such as consumptive disease heat cough, damp-heat dysentery, jaundice, infantile malnutrition, hot eyes spontaneous perspiration, night sweat, hemorrhoid complicated by anal fistula, sore be swollen.
Wild Radix picrorrhizae original producton location is grown in the high height above sea level of 3900-4500 rice district, and living environment is abominable, natural propagation ability own a little less than, thereby the Radix picrorrhizae medicinal material can not be met the need of market far away.The applicant is engaged in high mountain traditional Chinese medicine plantation research for a long time, work out the introduction domestication method of wild mountain picrorhiza rhizome (Picrorhiza scrophulariiflora Pennell) and applied for Chinese patent, its number of patent application is " 200810058998.5 ", denomination of invention is " a kind of mountain picrorhiza rhizome introduction domestication method ", on this basis, the applicant has further studied the artificial high yield cultivation method of Radix picrorrhizae (Picrorhiza scrophulariifloraPennell).
In the prior art also not about the standardized planting technology and the ripe high-yield culture technique of a cover of the maturation of Radix picrorrhizae (Picrorhiza scrophulariiflora Pennell), thereby in the prior art kind planting management of Radix picrorrhizae lack of standardization, yield poorly.The inventive method can be increase the yield per unit area greatly, increases income, to instructing and promoting the Radix picrorrhizae industrialized development all to have crucial meaning.
Summary of the invention
The objective of the invention is provides a kind of high-yield cultivating method of Radix picrorrhizae in order to overcome and to solve defective and the problem that the high-yield culture technique, the kind planting management that also do not have a cover ripe in the prior art are lack of standardization and yield poorly.
The invention has the beneficial effects as follows:
1, the present invention can make the output per mu yield dry product of the Radix picrorrhizae medicinal part rhizome of cultivation 3-4 reach 260--300kg approximately, improves about 29%～46% than the highest yield per unit area in the identical height above sea level scope in " a kind of mountain picrorhiza rhizome introduction domestication method " patent of having applied for.
2, the present invention has greatly improved yield per unit area, has increased income.By 65 yuan of per kilogram dry products (existing market valency), the per mu yield output value reaches 17500～19800 yuan approximately.Than above-mentioned picrorhiza rhizome introduction domestication method, every mu increases about 3900 yuan～6200 yuan of the output value.
3, the content summation of the kutkin I of the Radix picrorrhizae medicinal part rhizome produced of the inventive method and kutkin II increases approximately 2%～4% than above-mentioned picrorhiza rhizome introduction domestication method, increases about 1%～3% than wild Radix picrorrhizae.
4, the inventive method is comprehensive strong and operate simple and easyly, practical, is easy to apply.
The technical scheme of the inventive method is to form by reasonable choosing ground, whole ground, seedling breeding and plantation, 4 steps of field management, carries out according to the following steps:
One, rationally selects ground
Select the mountain area that cools of height above sea level 2700～3000m, the gradient 10～20 degree, soil is the brunisolic soil that the Evening Tide habit is arranged, and relative air humidity is 70%～90%, and soil organic matter content is 2%～3%.
Two, wholely
1, reason moisture in the soil
After choosing the plot, carried out winter ploughing before December, 2～March of next year ploughs deeply once again, and tilth is 30～50cm.Make soil make full use of sunlight natural decontamination in winter.If cultivated land will carry out two ploughs, two rakes,, tremble before the plantation except that managing moisture in the soil behind the foreign material if virgin land will carry out three ploughs, three rakes.Moisture in the soil face width 70～80cm, furrow width 20～30cm, long 15～20m (can determine), high 20～25cm according to concrete plot.For preventing ponding in rainy season, require moisture in the soil to consistent with the plot aspect.
2, fertilising
Base fertilizer is well-rotted farmyard manure and superphosphate, spreads fertilizer over the fields, turns over and dig before trench digging reason moisture in the soil, is unfit to do pond sludge used as manure in principle, executes well-rotted farmyard manure 2000～3000kg and superphosphate 20～50kg for every mu.
Three, seedling breeding and planting
1, seedling breeds
The mountain area that cools of height above sea level 2700～3000m is selected on seedling ground, the gradient 10～20 degree, and soil is the brunisolic soil that the Evening Tide habit is arranged, and relative air humidity is 70%～90%, and soil organic matter content is 2%～3%.Plant and in conjunction with field management such as weedings the Radix picrorrhizae breeding seedling that adopts division propagation is shaded with breeding, earths up preceding 1 year 5～October, the rate of shading is 50%～70%, earth up 2～3 times, the thick 1～5cm that earths up promotes the sprouting and the growth of rhizome base portion branch and fibrous root.
2, the processing of seedling
In planting the multiple-limb Radix picrorrhizae of gathering seedling breeding ground then 6～July, choose the I and II branch of band fibrous root, be segmented into the axillary seedling of the band terminal bud of 5～10cm.
3, plantation
Plantation seeding row spacing 10～30cm * 20～40cm, the moisture in the soil face dark 6～10cm that ditches is put an axillary seedling every 10～30cm during plantation, waters permeablely behind the earthing, covers black mulch film, and seedling place rupture of membranes is being arranged, hole diameter 2～4cm, and the rupture of membranes place is real with soil pressure.
Four, field management
1, shades
Cultivating the 1st year rate of shading is that beginning in the 50%～70%, 2nd year does not need to shade.Shade material can be selected stalk, deadwood or shading screen on the spot.
2, intertill and clean tillage
1 year Radix picrorrhizae poor growth, weed growth is vigorous, timely weeding, and the intertill and clean tillage first time is carried out in general weeding 2～3 times respectively in late April～June, for the second time in 7～August, be about to when falling the seedling for the third time in the winter time.Because of shoot root is shallow, intertillage in the 1st year should not be dark excessively.The 2nd year big envelope row of seedling, the intertill and clean tillage number of times can be reduced to 1～2 time.For the first time in spring, for the second time in the fall.
3, topdress
Cultivate and impose urea 10～30kg around plant root 3～6cm in conjunction with every mu of weeding 1 year 7～August, the withered backwardness of basal leaf part in November imposes every mu of 1000～2000kg of well-rotted farmyard manure around moisture in the soil face plant in conjunction with ridging, preserves moisture with protection against cold and freezing conditions.After this annual 4～May and 7～August loosen the soil every mu with 20～50kg urea and N: P: K=15 in conjunction with weeding: composite fertilizer 10～40kg of 15: 15 mixes and imposes each 1 inferior to around plant root 3～6cm; By the end of October～every mu of November impose well-rotted farmyard manure 1000～2000kg around moisture in the soil face plant.
4, irrigation and draining
It is 70%～85% that Radix picrorrhizae keeps soil relative water content in 4～October of vegetative period.Annual 3～May of dry season, spray irrigation in per ten days 9～November 1～2 time, every month at least 3～5 times; Deep-cut the ditch water discharge prevention waterlogging rainy season in 6～August.
5, ridging
Annual 5～November is in conjunction with fertilising and weeding ridging 1～3cm; Winter is in conjunction with applications of farmyard manure ridging 2～5cm.The ridging measure helps preserving moisture, antifreeze, promote the sprouting and the root growth of rhizome base portion branch.
Embodiment
Further specify the present invention below in conjunction with specific embodiment, but it is not construed as limiting the invention.
Embodiment 1
Present embodiment experimental field be positioned at the township Rong Cun of Latin America medicinal material proving ground, Ludian, Yulongnaxizu Autonomous County, Lijiang City, Yunnan Province, 2880 meters of height above sea level, 9.5 ℃ of mean temperature of air, 23 ℃ of the absolute maximum air temperatures, the absolute minimum air temperature-14 ℃; Annual rainfall 1043mm, about 150 days frost-free seasons, relative air humidity is 87-89%; Soil is reddish brown earth, and P in soil H value is 6.7, and preceding stubble is a kidney bean.
Present embodiment is formed by rationally selecting ground, whole ground, seedling breeding and plantation, 4 steps of field management, carries out according to the following steps:
1, rationally selects ground
Select the mountain area that cools of above-mentioned height above sea level 2880m, the gradient 10～20 degree, soil is the reddish brown loam that the Evening Tide habit is arranged, and relative air humidity is 87-89%, and soil organic matter average content is 3%.
2, wholely
(1) reason moisture in the soil
After choosing the plot, carried out winter ploughing before December, plough deeply once February in next year again, and tilth is 30～35cm.Make soil make full use of sunlight natural decontamination in winter.If cultivated land will carry out two ploughs, two rakes,, tremble before the plantation except that managing moisture in the soil behind the foreign material if virgin land will carry out three ploughs, three rakes.Moisture in the soil face width 70cm, furrow width 20cm, long 20m, high 20cm.For preventing ponding in rainy season, moisture in the soil is to consistent with the plot aspect.
(2) fertilising
Base fertilizer is well-rotted farmyard manure and superphosphate, spreads fertilizer over the fields, turns over and dig before trench digging reason moisture in the soil, is unfit to do pond sludge used as manure in principle, executes well-rotted farmyard manure 2000kg and superphosphate 20kg for every mu.
3, seedling breeding and planting
(1) seedling breeds
The mountain area that cools of height above sea level 2880m is selected on seedling ground, the gradient 10～20 degree, and soil is the reddish brown loam that the Evening Tide habit is arranged, and relative air humidity is 87-89%, and soil organic matter average content is 3%.Plant and preceding 1 year 5～October the Radix picrorrhizae breeding seedling that adopts division propagation is shaded with breeding, earths up, the rate of shading is that 50%, 5～July is in conjunction with field weeding management ridging 2 times, ridging 1～3cm, the sprouting and the growth of promotion rhizome base portion branch and fibrous root.
(2) processing of seedling
In planting the multiple-limb Radix picrorrhizae of breeding with gathering seedling then June, choose the I and II branch of band fibrous root, be segmented into the axillary seedling of the band terminal bud of 5～6cm.
(3) plantation
Plantation seeding row spacing 10cm * 20cm, the moisture in the soil face dark 6～8cm that ditches is put an axillary seedling every 10cm during plantation, waters permeablely behind the earthing, covers black mulch film, and seedling place rupture of membranes is being arranged, hole diameter 2-4cm, and the rupture of membranes place is real with soil pressure.
4, field management
(1) shades
Cultivating the 1st year rate of shading is that beginning in 50%, the 2 year does not need to shade.Shade material can be selected stalk, deadwood or shading screen on the spot.
(2) intertill and clean tillage
1 year Radix picrorrhizae poor growth, weed growth is vigorous, timely weeding, and the intertill and clean tillage first time is carried out in weeding 3 times respectively in May, for the second time in August, be about to when falling the seedling for the third time in the winter time.Because of shoot root is shallow, intertillage in the 1st year should not be dark excessively.The 2nd year big envelope row of seedling, the intertill and clean tillage number of times can be reduced to 2 times, for the first time in spring, for the second time in the fall.
(3) topdress
Cultivate and impose urea 10kg around plant root 3cm～6cm in conjunction with every mu of weeding in July, first, the withered backwardness of basal leaf part in November imposes every mu of 1500kg of well-rotted farmyard manure around moisture in the soil face plant in conjunction with ridging, preserves moisture with protection against cold and freezing conditions.After this annual mid-May and late July mix and impose each 1 inferior to around plant root 3～6cm in conjunction with the weeding every mu of composite fertilizer 30kg with 20 urea and N:P:K=15:15:15 that loosens the soil.Early November imposes well-rotted farmyard manure 1500kg around moisture in the soil face plant for every mu in conjunction with ridging.
(4) irrigation and draining
Keeping soil relative water content Radix picrorrhizae 4-10 in the vegetative period month is 70%-76%.The annual 3-5 month in dry season, the spray irrigation of per ten days 9-11 months 1 time, 3 times every month; Deep-cut the ditch water discharge prevention waterlogging rainy season in 6～August.
(5) ridging
Annual 5～November is in conjunction with fertilising and weeding ridging 1～3cm; Winter is in conjunction with applications of farmyard manure ridging 2～5cm.The ridging measure helps preserving moisture, antifreeze, promote the sprouting and the root growth of rhizome base portion branch.
More than the output per mu yield dry product of the Radix picrorrhizae medicinal part rhizome of test acquisition cultivation 3-4 reaches 229.58～285.69kg, by 65 yuan of existing market valency per kilogram dry products, about 14923～18570 yuan of the per mu yield output value has greatly improved yield per unit area, has increased income.And with the above-mentioned Radix picrorrhizae medicinal part rhizome that produces in Kunming Chinese Medicine Factory Co., Ltd. laboratory, according to " the assay method analyzing and testing of " Radix picrorrhizae " [assay] of Chinese pharmacopoeia version in 2005, the content summation (%) of the kutkin I of Radix picrorrhizae medicinal part rhizome and kutkin II sees table 2 for details.
Embodiment 2 and embodiment 3 also are the high-yield cultivating method embodiment of Radix picrorrhizae of the present invention, except that the listed measure difference of table 1, all the other measures are identical with embodiment 1, repeat no more, the assay method of the content summation (%) of the kutkin I of its Radix picrorrhizae medicinal part rhizome and kutkin II is all identical with embodiment 1 with analytical unit, sees table 2 for details.
Contrast 1 (patent applied for) is that the number of patent application of having applied for the applicant is contrast for the highest embodiment 3 of output in the Chinese patent (denomination of invention is " a kind of mountain picrorhiza rhizome introduction domestication method ") of " 200810058998.5 ", and the kutkin I of its Radix picrorrhizae output and Radix picrorrhizae medicinal part rhizome and the content summation of kutkin II see table 2 for details.
Contrast 2 (wild Radix picrorrhizae) are to gather wild Radix picrorrhizae to be contrast.
The assay method of the kutkin I of the contrast 1 and the Radix picrorrhizae medicinal part rhizome of contrast 2 and the content summation (%) of kutkin II is all identical with embodiment 1 with analytical unit.
The difference measure of the high-yield cultivating method of table 1 embodiment 2 and embodiment 3 and embodiment 1
High-yield cultivating method effect and the drug quality of table 2 embodiment 1～3
| Example | Bright product output/mu | Dry product output/mu | The content summation (%) of kutkin I and kutkin II |
| Example 1 | 673.95kg | 269.58kg | 11.65％ |
| Example 2 | 763.63kg | 305.45kg | 13.34％ |
| Example 3 | 714.23kg | 285.69kg | 12.28％ |
| Contrast 1 (patent applied for) | 523.15kg | 209.21kg | 9.26％ |
| Contrast 2 (wild Radix picrorrhizae) | - | - | 10.18％ |
The dry product volume increase output computational methods of embodiment are:
The increasing rate computational methods of the kutkin I of embodiment and the content summation of kutkin II are:
If the content summation (%) of the kutkin I of R=embodiment and kutkin II,
The kutkin I of K=contrast and the content summation (%) of kutkin II,
The increasing rate (%) of the kutkin I of Q=embodiment and the content summation of kutkin II,
Then:
Q＝R—K
The calculating of economic benefit: by 65 yuan of calculating of existing market valency per kilogram dry product.
Draw as following table 3 according to table 2 and aforementioned calculation method:
The effect of table 3 embodiment of the invention and contrast relatively
| Every mu of dry product output volume increase of the embodiment of the invention | Every mu of dry product of the embodiment of the invention increases the output value | The content summation increasing rate of the kutkin I of the embodiment of the invention and kutkin II | The content summation increasing rate of the kutkin I of the embodiment of the invention and kutkin II | |
| Compare with contrast 1 | 29％～46％ | 3924 yuan～6255 yuan (the per mu yield output value can reach 17523～19854 yuan) | 2.39％～4.08％ | |
| Compare with contrast 2 | 1.47％～3.16％ |
More than show: the present invention can make the output per mu yield dry product of the medicinal part rhizome of Radix picrorrhizae medicinal material increase production about 29%～46% than picrorhiza rhizome introduction domestication method, the per mu yield output value can reach 17523～19854 yuan, every mu increases by 3924 yuan～6255 yuan of the output values, the content summation (%) of the kutkin I of Radix picrorrhizae medicinal part rhizome and kutkin II increases about 2%～4% than picrorhiza rhizome introduction domestication method, increase about 1%～3% than wild Radix picrorrhizae.
Claims (2)
1, a kind of high-yield cultivating method of Radix picrorrhizae is to form by reasonable choosing ground, whole ground, seedling breeding and plantation, 4 steps of field management, it is characterized in that:
(1) select the mountain area that cools of selecting height above sea level 2700～3000m in the ground rationally, the gradient 10～20 degree, soil is the brunisolic soil that the Evening Tide habit is arranged, and relative air humidity is 70%～90%, and soil organic matter content is 2%～3%;
(2) 1. manage in whole ground after moisture in the soil choosing the plot, carried out winter ploughing before December, 2～March of next year ploughs deeply once again, and tilth is 30～50cm, moisture in the soil face width 70～80cm, and furrow width 20～30cm, long 15～20m, high 20～25cm, moisture in the soil is to consistent with the plot aspect; 2. be base fertilizer with well-rotted farmyard manure and superphosphate, before trench digging reason moisture in the soil, spread fertilizer over the fields, turn over and dig, execute well-rotted farmyard manure 2000～3000kg and superphosphate 20～50kg for every mu;
(3) in the breeding and plant of seedling 1. the seedling ground of seedling breeding select the mountain area that cools of height above sea level 2700～3000m, the gradient 10～20 degree, soil is the brunisolic soil that the Evening Tide habit is arranged, relative air humidity is 70%～90%, soil organic matter content is 2%～3%, plants in conjunction with field management such as weedings the Radix picrorrhizae breeding seedling that adopts division propagation to be shaded with breeding, earths up preceding 1 year 5～October, and the rate of shading is 50%～70%, earth up 2～3 times, thick 1～5cm earths up; 2. seedling is handled the multiple-limb Radix picrorrhizae of gathering seedling breeding ground in plantation then 6～July, chooses the I and II branch of band fibrous root, is segmented into the axillary seedling of the band terminal bud of 5～10cm; 3. Zhong Zhi seeding row spacing 10～30cm * 20～40cm, the moisture in the soil face dark 6～10cm that ditches is put an axillary seedling every 10～30cm during plantation, waters permeablely behind the earthing, covers black mulch film, and seedling place rupture of membranes is being arranged, hole diameter 2～4cm, and the rupture of membranes place is real with soil pressure;
(4) 1. shading in the 1st year rate of shading of cultivation in field management is that beginning in the 50%～70%, 2nd year does not need to shade; 2. intertill and clean tillage carries out the intertill and clean tillage first time respectively weeding in 1 year 2～3 times in late April～June, for the second time in 7～August, is about to when falling the seedling for the third time in the winter time, and intertillage in the 1st year should not be dark excessively; The intertill and clean tillage number of times was reduced to 1～2 time in the 2nd year, for the first time in spring, for the second time in the fall; 3. topdress and impose urea 10～30kg in conjunction with every mu of weeding around plant root 3～6cm 1 year 7～August in cultivation, the withered backwardness of basal leaf part in November, impose every mu of 1000～2000kg of well-rotted farmyard manure around moisture in the soil face plant in conjunction with ridging, after this annual 4～May and 7～August mix and impose each 1 inferior to around plant root 3～6cm in conjunction with weeding every mu of the composite fertilizer 10～40kg that loosens the soil with 20～50kg urea and N:P:K=15:15:15, by the end of October～every mu of November impose well-rotted farmyard manure 1000～2000kg around moisture in the soil face plant; 4. irrigate that to keep soil relative water content with draining in 4～October of vegetative period at Radix picrorrhizae be 70%～85%, annual 3～May of dry season, spray irrigation in per ten days 9～November 1～2 time, every month at least 3～5 times; Deep-cut the ditch water discharge prevention waterlogging rainy season in 6～August; 5. earth up annual 5～November in conjunction with fertilising and weeding ridging 1～3cm, winter is in conjunction with the applications of farmyard manure 2～5cm that earths up.
2, high-yield cultivating method according to claim 1 is characterized in that relative air humidity is 70%～85% in the step (1); In the step (2) 2. base fertilizer execute well-rotted farmyard manure 3000kg and superphosphate 30kg for every mu; 1. the 1st year rate of shading of cultivation of shading in the step (4) is 70%; 2. the cultivation of topdressing imposes urea 30kg around plant root 3～6cm in conjunction with every mu of weeding in August, first, the withered backwardness of basal leaf part in November, impose every mu of 1000kg of well-rotted farmyard manure around moisture in the soil face plant in conjunction with ridging, after this annual late April and early July mix and impose each 1 inferior to around plant root 3～6cm in conjunction with the weeding every mu of composite fertilizer 10kg with 30kg urea and N:P:K=15:15:15 that loosens the soil, and impose well-rotted farmyard manure 1000kg around moisture in the soil face plant for every mu in conjunction with ridging mid-November; 4. irrigate that to keep soil relative water content with draining in 4～October of vegetative period at Radix picrorrhizae be 77%～81%.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102017878A (en) * | 2010-10-22 | 2011-04-20 | 高旌 | A method for standardized and rapid production of Chinese medicinal plant |
| CN102440128A (en) * | 2011-09-19 | 2012-05-09 | 利川市清江黄连开发有限责任公司 | Coptis planting method |
| CN103798039A (en) * | 2014-02-18 | 2014-05-21 | 中国科学院西双版纳热带植物园 | Coptis teeta cultivation and fertilizing method |
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| CN108496706A (en) * | 2018-04-12 | 2018-09-07 | 四川金辉药业有限公司 | A kind of hayashishita high yield cultivating method of Radix picrorrhizae |
| CN108668790A (en) * | 2018-04-11 | 2018-10-19 | 四川金辉药业有限公司 | A kind of method of secondary domestication Radix picrorrhizae |
| CN110140620A (en) * | 2019-05-08 | 2019-08-20 | 广州新农科肥业科技有限公司 | A method of resistance control Chinese Drug Rhizomes of Coptis cadmium pollution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102017878A (en) * | 2010-10-22 | 2011-04-20 | 高旌 | A method for standardized and rapid production of Chinese medicinal plant |
| CN102440128A (en) * | 2011-09-19 | 2012-05-09 | 利川市清江黄连开发有限责任公司 | Coptis planting method |
| CN102440128B (en) * | 2011-09-19 | 2013-08-14 | 利川市清江黄连开发有限责任公司 | Coptis planting method |
| CN103798039A (en) * | 2014-02-18 | 2014-05-21 | 中国科学院西双版纳热带植物园 | Coptis teeta cultivation and fertilizing method |
| CN107646556A (en) * | 2017-09-15 | 2018-02-02 | 韦健 | A kind of rocky mountainous area rice and meadowrueleaf corydalis root crop rotation technology |
| CN108668790A (en) * | 2018-04-11 | 2018-10-19 | 四川金辉药业有限公司 | A kind of method of secondary domestication Radix picrorrhizae |
| CN108496706A (en) * | 2018-04-12 | 2018-09-07 | 四川金辉药业有限公司 | A kind of hayashishita high yield cultivating method of Radix picrorrhizae |
| CN110140620A (en) * | 2019-05-08 | 2019-08-20 | 广州新农科肥业科技有限公司 | A method of resistance control Chinese Drug Rhizomes of Coptis cadmium pollution |
| CN110140620B (en) * | 2019-05-08 | 2022-09-09 | 广州新农科肥业科技有限公司 | Method for preventing and controlling cadmium pollution of traditional Chinese medicine coptis chinensis |
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