CN102165887A - High-selenium radix astragali and culture method thereof - Google Patents
High-selenium radix astragali and culture method thereof Download PDFInfo
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Abstract
The invention discloses high-selenium radix astragali and a culture method thereof, wherein the content of selenium in the high-selenium radix astragali is 20-10000mg/kg, and the content of organic selenium in the high-selenium radix astragali is greater than or equal to 70%. The high-selenium radix astragali is cultured by a seedling transplantation method. The culture method provided by the invention comprises the following steps: before transplanting radix astragali seedlings, applying a selenium fertilizer to a plant nutrient containing nanometer selenium into grooves; and then transplanting the radix astragali seedlings into the grooves, and ripping to cover the radix astragali seedlings for culturing, wherein the dosage of the applied plant nutrient containing nanometer selenium is 0.2-100kg per mu. The radix astragali cultured by the method is higher in selenium content; and the method is strong in operability, can be used for realizing standardized production and ensures that stability of the content of selenium in the stem leaves of the produced radix astragali.
Description
Technical field
The present invention relates to a kind of high selenium Radix Astragali, and the breezing and producing method of this high selenium Radix Astragali, agricultural fertilizer and feed applications belonged to.
Background technology
Selenium is the essential trace element of animal and human's body, and scarce selenium can have a strong impact on the healthy of people.Selenium can improve animal and human's body immunity, remove free radical, protection optic nerve, heart and liver etc., and can prevent diabetes, major diseases such as cardiovascular and cerebrovascular disease, hepatopathy, cataract, arthritis, Keshan disease, Kaschin-Beck disease.Selenium still is a kind of powerful antioxidant, is called as with the vitamin E synergy and removes free radical oxidation resistant " gold partner ", and selenium is described as " kindling material of life ", " anticancer king ".
The form of selenium often is divided into organic selenium and inorganic selenium.Inorganic selenium comprises selenite, selenate, selenides and elemental selenium, and organic selenium comprises the selenium that combines with various biological organic molecules.Inorganic selenium is difficult to directly to be absorbed by animal and human body, and organic selenium then can be more or less freely enters human circulation and metabolic system.Animal toxicity test shows, inorganic selenium such as sodium selenite, and the rat oral half lethal dose is 7mg/kg, and organic selenium, is 30-40mg/kg as the half lethal dose of methionine.Because inorganic selenium has bigger toxicity, and is difficult for being absorbed, be not suitable for the humans and animals safe handling, state governments such as Japan have prohibited inorganic seleniums such as using sodium selenite in all animal feeds.
The people of nearly more than 40 countries and regions, the whole world is in poor selenium, low selenium band.China has more than 70% area, about 700,000,000 people be in poor selenium and low selenium district.The amount of the selenium that these regional daily meals of resident are taken in does not reach daily requirement amount (50-250 microgram/sky) far away, and this is unfavorable to health.The selenium of natural world inorganic states is difficult to directly to be absorbed by the people, has only the selenium that is converted into organic by plant or animal that using value is just arranged, so we must be by taking the selemium nutrition needs that selenium-enriched food could satisfy self.1974, U.S. food and administration of health office regulation for the guarantor can obtain enough selenium, must be added a certain amount of selenium in the feed of edible animal; After this twice expansion and improved the interpolation scope and the dosage of selenium again in 1989, and people's daily intake is decided to be 200 micrograms.Now, rational exploitation and utilization selenium resource, produce rich selenium agricultural and animal products and natural selenium-rich health food, become a new focus of China's health food industry gradually.
The Radix Astragali is the root of leguminous plant Astragalus membranacus or astragalus mongolicus.Contain the trace element that needed by human body such as astragaloside, flavones, polysaccharide, monose, alkaloid, folic acid, several amino acids, vitamin, bitter principle and selenium, zinc, iron are wanted in the Radix Astragali.Astragalus root can be used as medicine, and has effects such as invigorating qi for strengthening superficies, sharp water detumescence, pus draining and toxin expelling, myogenic; Can make veterinary drug again.The Radix Astragali also is an important source material of Chinese herbal feed additive, can significantly improve the growth rate of livestock and poultry as feed addictive, promotes Abwehrkraft des Koepers, improves meat, eggs and milk quality and output.The complex Chinese herbal medicine that has human to contain the Radix Astragali was added in the layer diets in summer, found that laying rate, egg quality and the price of deed are improved, and egg product matter is greatly taken on a new look.The Radix Astragali also is the often edible pure natural product of the common people, can be made into Radix Astragali medicine materical crude slice etc., has good disease-prevention health effect.
The Radix Astragali still is the tired property plant of a kind of selenium ultraproduct simultaneously, and selenium rich ability is stronger, and selenium is had higher tolerance and accumulation property, and can effectively the selenium that absorbs be converted into the selenium of organic form, is the ideal material of producing the selenium additive.But Radix Astragali Se content can not satisfy the production and processing needs of additive rich in selenium under general soil and the common planting conditions below 1mg/kg.Therefore, need carry out after specific aim selenium strengthens it, could be as the additive material of selenium.
There is not public technology to relate to the high selenium Radix Astragali at present as yet, and the breezing and producing method of the high selenium Radix Astragali, the particularly breeding method of suitable standardization suitability for industrialized production.
Summary of the invention
The object of the invention is to provide a kind of high selenium Radix Astragali,, it is not enough and cause being difficult to carry out as the Radix Astragali in additive rich in selenium and the prior art problem such as rich selenium cultivation to have solved in the prior art Radix Astragali Se content.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of high selenium Radix Astragali, the Se content that it is characterized in that the described high selenium Radix Astragali is between 20-10000mg/kg, and organic selenium content 〉=70%.
Preferably, the Se content of the described high selenium Radix Astragali is between 50-10000mg/kg, and organic selenium content 〉=70%.
Preferably, the Se content of the described high selenium Radix Astragali is between 50-5000mg/kg, and organic selenium content 〉=80%.
The present invention also provides a kind of breeding method of the high selenium Radix Astragali, the described Radix Astragali is cultivated by method for culturing and transplanting seedlings, it is characterized in that described breeding method comprises will comprise earlier before Radix Astragali seedling is transplanted that the selenium fertilizer of nanometer selenium plant nutrient agent applies in the ditch, Radix Astragali transplantation of seedlings be gone into dig in the ditch then and bury the step that seedling is cultivated; The consumption of the nanometer selenium plant nutrient agent that wherein applies is every mu of 0.2-100 kilogram.
Preferably, described selenium is fertile to be the mixture that nanometer selenium plant nutrient agent and farmyard manure mix, and wherein the nanometer selenium plant nutrient agent accounts for fertile more than 10% of gross weight of selenium.
Preferably, described method also be included in Radix Astragali results before 4 months in the Radix Astragali field consumption with every mu of 0.4-150 kilogram append the step that the nanometer selenium plant nutrient agent topdresses and applies.
Preferably, described method also be included in Radix Astragali results before 2 months in the Radix Astragali field consumption with every mu of 0.4-150 kilogram append the step that the nanometer selenium plant nutrient agent topdresses and applies.
Preferably, the topdress method that applies of described method adopts the root fertilization mode to carry out, and carries out flood irrigation or drip irrigation more than 3 times after the fertilising same day and fertilising.
The high selenium Radix Astragali provided by the invention contains selenium 20-10000mg/kg, and wherein the selenium of organic form accounts for total selenium ratio 〉=70%, and promptly its organic selenium content is between 14-7000mg/kg.With respect to the common Radix Astragali, the Se content of this high selenium Radix Astragali has improved tens of times to thousands of times, and wherein organic selenium accounts for total selenium ratio 〉=70%, and therefore safer, assimilation effect is better.
The present invention also provides the breeding method of this high selenium Radix Astragali.This method is utilized the nanometer selenium plant nutrient agent, and (Suzhou selenium paddy Science and Technology Ltd. produces, model is XGP001B) apply Radix Astragali field at special time period with ad hoc fashion, in conjunction with certain water and fertilizer management, make the Radix Astragali can fully absorb biological effectively selenium wherein lastingly.Wherein the planting type of the Radix Astragali is earlier astragalus membranaceus seed to be sowed, and transplants seedlings in 1 year.
Concrete, the method that this high selenium Radix Astragali provided by the invention is cultivated is as follows:
At first, astragalus membranaceus seed is put into boiling water stir and to add cold water immediately in 1 minute, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
Secondly, 1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with the consumption mixed farmyard manure of every mu of 0.2-100 kilogram, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
Once more, in mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with the consumption mixing urea of every mu of 0.4-150 kilogram etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdressed with the consumption mixed phosphorus fertilizer of every mu of 0.4-150 kilogram, urea etc. applies Radix Astragali field.
Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.
At last, after the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
In optimal technical scheme, the present invention when the Radix Astragali is transplanted seedlings and gather in the crops preceding 4 months, used nanometer selenium plant nutrient agent mix other fertilizer in preceding 2 months by totally three time periods for results, guarantee that the Radix Astragali has time enough to make full use of root system and absorbs the selenium that shifts in whole growth process, fertilizer efficiency continues, thereby guaranteed the accumulation of selenium and the ratio of organic selenium in the Radix Astragali, kept the stable of Se content in the Radix Astragali.And the present invention carries out the interaction that shallow irrigation more than 3 times can promote selenium and soil after selecting to apply fertilizer, and promotes the absorption of Radix Astragali root system.
Technical solution of the present invention is because the accumulation of the absorption of Radix Astragali root system and selenium transforms, and the ultimate density of the total selenium of the Radix Astragali can reach 20-10000mg/kg, and selenium mainly exists with biological organic form in astragalus root, and the ratio of organic selenium accounts for more than 70% of total selenium.
Certainly, astragalus cultivation of the present invention can be selected high-land, and soil layer is deep, loose, draining good, neutral or alkaline sandy loam or continuous sandy soil plot.Because covering of a seed has the pectic substance layer, the kind skin is extremely hard, and water absorbing force is poor, and emergence rate is low, so will anticipate astragalus membranaceus seed.The present invention can adopt boiling water vernalization: earlier seed is put into boiling water and stirred rapidly 1 minute, add cold water immediately and cool the temperature to 40 degree, soaked 2 hours again, then water is poured out, seed adds stewing 12 hours of thing such as gunnysack, sowing when treating that seed expands or crust breaks.Also can adopt sulfuric acid treatment, as to late-maturing strong seed, usable concentration is that the sulfuric acid of 70-80 soaked 3-5 minute, takes out and sows after placing flowing water flushing half an hour rapidly.Also can adopt the fine sand scratch: in seed, mix fine sand friction kind of skin, make kind of a skin that mild wear be arranged, be beneficial to suction, can improve germination rate greatly, handle seed and place 30-50 degree warm water to soak 3-4 hour, treat to sow after the imbibition.General the method plantation commonly used.
When planting, the present invention can adopt two kinds of live and seedling raising and transplanting.Live is the new seed of producing through last year of artificial treatment, sows in spring after the soil thaws at the beginning of by the end of March to 4 months, also can be before November in winter then, the soil be freeze-up winter sowing, the winter sowing seed does not carry out any processing.But this method yields poorly, and is of poor quality, and the difficulty of keeping a full stand of seedings is big.The present invention preferably adopts seedling raising and transplanting, after seed is anticipated, by 7 kilograms every mu sowing quantity, evenly is sprinkled in the field in spring or summer, and 2 centimetres of thickness of earth covering should repeatedly carry out spray water when arid, and thinning can all sprout in the time of 30 days.Field management of the present invention can be general plantation way to manage, comprises the thinning final singling, imposes fertilizer, pour water water drainage, diseases and pests controlling, or the like.Results processing after the Radix Astragali maturation.
With respect to scheme of the prior art, advantage of the present invention is:
1, the invention provides a kind of high selenium Radix Astragali, its selenium content can reach 20-10000mg/kg, and wherein organic selenium content accounts for more than 70% of total selenium, has improved the added value of the Radix Astragali;
2, the method for the high selenium Radix Astragali of production provided by the invention is workable, can realize standardized production, and Se content is stable in the membranous milkvetch stem and leaf that guarantees to be produced.
3, nanometer selenium plant nutrient agent and other fertilizer are mixed, can make fertilizer efficiency lasting, selenium wherein can be absorbed by the Radix Astragali fully, reduces the loss of selenium, realizes the slow fertilising.
4, the present invention applies Radix Astragali field with mixed fertilizer in the mode of root fertilising, has avoided the direct foliage-spray of inorganic selenium solution residual in a large number to burning of causing of the Radix Astragali and inorganic selenium.In conjunction with irrigating, promote Radix Astragali plant root absorbing to fertilizer.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment 1:
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 0.2 kilogram every mu consumption mixed farmyard manure, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 0.4 kilogram every mu consumption mixing urea etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 0.4 kilogram every mu consumption mixed phosphorus fertilizer, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 20mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 2:
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 1 kilogram every mu consumption mixed farmyard manure, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 2 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 2 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 100mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 3
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 5 kilograms every mu consumption mixed farmyard manures, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 10 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 10 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 500mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 4
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 10 kilograms every mu consumption mixed farmyard manures, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 20 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 20 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 1000mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 5
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 30 kilograms every mu consumption mixed farmyard manures, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 60 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 60 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 3000mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 6
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 60 kilograms every mu consumption mixed farmyard manures, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with the consumption mixing urea of every mu of double centner etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdressed with the consumption mixed phosphorus fertilizer of every mu of double centner, urea etc. applies Radix Astragali field.Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 5000mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 7
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with 80 kilograms every mu consumption mixed farmyard manures, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 125 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 125 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 8000mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.
Embodiment 8
Astragalus membranaceus seed is put into the boiling water stirring added cold water in 1 minute immediately, soaked 2-4 hour after water temperature is transferred to 40 ℃, the part that seed expands is pulled out, unexpanded seed is dipped into when expanding with 40-50 ℃ of water and pulls out, vexed 12 hours of enrobe, sowing when waiting to sprout.Sowing time was selected in before and after the Spring Equinox, when weather has the rainfall sign, dug 3-5 centimetre ditch in the field, and ditch is apart from 20-25 centimetre, with the seed uniform broadcasting in ditch, earthing 2-3 centimetre, and layer of plant ash.The attention weeding is topdressed.
1 year spring is with seedling is long and thick, lateral root is few, head does not have injury, the unputrefied seedling of afterbody is transplanted.Turn over dark about 20 centimetres ditch with iron plough etc., with about 20 centimetres spacing in the rows, about 3 centimetres line-spacing with Radix Astragali seedling laid parallel in ditch, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001B) apply in the ditch with the consumption mixed farmyard manure of every mu of double centner, dig and bury seedling.The fertilizer hybrid mode is for mixing nanometer selenium plant nutrient agent and a small amount of (as 1 kilogram) farmyard manure earlier, and amplification mixes step by step again, and the amount of selenium fertilizer accounts for mixture ratio greater than 10% in the mixed fertilizer, and following fertilizer hybrid mode is all like this.
In mid-June, second (Radix Astragali was gathered in the crops preceding 4 months), just nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produce, model is XGP001B) topdresses with 150 kilograms every mu consumption mixing ureas etc. and applies Radix Astragali field; Early August (Radix Astragali was gathered in the crops preceding 2 months), topdressing with 150 kilograms every mu consumption mixed phosphorus fertilizers, urea etc. applies Radix Astragali field with nanometer selenium plant nutrient agent (Suzhou selenium paddy Science and Technology Ltd. produces, and model is XGP001B).Above-mentioned topdressing all adopts the root fertilization mode to carry out, promptly mixed fertilizer is applied near root, and on fertilising same day and carry out flood irrigation more than 3 times later on, the flood irrigation water consumption is that every mu of 20-40 cubic meter (also can pass through the drip irrigation mode, water consumption is every mu of a 5-10 cubic meter), to promote the Radix Astragali through the soil solution absorbing to selenium in soil and the fertilizer.After the fertilising, carry out, gather in the crops until the Radix Astragali in conjunction with normal water and fertilizer management.
The Se content of the Radix Astragali of cultivating through said method can reach about 10000mg/kg, and wherein the ratio of the shared total selenium of organic selenium more than 70%.In detail relatively ask for an interview table 1.
The high selenium Radix Astragali result that table 1 embodiment 1～8 cultivates
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All spirit essence is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (8)
1. one kind high selenium Radix Astragali, the Se content that it is characterized in that the described high selenium Radix Astragali is between 20-10000mg/kg, and organic selenium content 〉=70%.
2. the high selenium Radix Astragali according to claim 1, the Se content that it is characterized in that the described high selenium Radix Astragali is between 50-10000mg/kg, and organic selenium content 〉=70%.
3. the high selenium Radix Astragali according to claim 1, the Se content that it is characterized in that the described high selenium Radix Astragali is between 50-5000mg/kg, and organic selenium content 〉=80%.
4. the breeding method of a high selenium Radix Astragali, the described Radix Astragali is cultivated by method for culturing and transplanting seedlings, it is characterized in that described breeding method comprises will comprise earlier before Radix Astragali seedling is transplanted that the selenium fertilizer of nanometer selenium plant nutrient agent applies in the ditch, Radix Astragali transplantation of seedlings be gone into dig in the ditch then and bury the step that seedling is cultivated; The consumption of the nanometer selenium plant nutrient agent that wherein applies is every mu of 0.2-100 kilogram.
5. according to the method for claim 4, it is characterized in that described selenium fertilizer is the mixture that nanometer selenium plant nutrient agent and farmyard manure mix, wherein the nanometer selenium plant nutrient agent accounts for fertile more than 10% of gross weight of selenium.
6. according to the method for claim 4, it is characterized in that described method also be included in Radix Astragali results before 4 months in the Radix Astragali field consumption with every mu of 0.4-150 kilogram append the step that the nanometer selenium plant nutrient agent topdresses and applies.
7. according to the method for claim 4, it is characterized in that described method also be included in Radix Astragali results before 2 months in the Radix Astragali field consumption with every mu of 0.4-150 kilogram append the step that the nanometer selenium plant nutrient agent topdresses and applies.
8. according to the method for claim 6 or 7, it is characterized in that the described method method that applies of topdressing adopts the root fertilization mode to carry out, and after the fertilising same day and fertilising, carried out flood irrigation or drip irrigation more than 3 times.
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| CN102771298A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | High-selenium wheat and production method thereof |
| CN102792840A (en) * | 2012-08-15 | 2012-11-28 | 苏州硒谷科技有限公司 | Organic selenium-rich dendrobium candidum and cultivation method thereof |
| CN102792843A (en) * | 2012-08-31 | 2012-11-28 | 赵小林 | Planting method of oilcamellia rich in selenium |
| CN103718789A (en) * | 2013-07-25 | 2014-04-16 | 王运海 | Radix astragali planting method |
| CN104620799A (en) * | 2013-11-12 | 2015-05-20 | 呼和浩特市通瑞科技有限责任公司 | Astragalus mongholicus bunge high-ridge seedbed drop irrigation seedling raising technique |
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| CN112552128A (en) * | 2020-12-17 | 2021-03-26 | 新疆农业大学 | Microbial compound bacterial fertilizer for cultivating selenium-rich astragalus and cultivation method of astragalus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102511273A (en) * | 2011-12-12 | 2012-06-27 | 苏州硒谷科技有限公司 | Wheat rich in organic selenium and production method thereof |
| CN102771298A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | High-selenium wheat and production method thereof |
| CN102792840A (en) * | 2012-08-15 | 2012-11-28 | 苏州硒谷科技有限公司 | Organic selenium-rich dendrobium candidum and cultivation method thereof |
| CN102792843A (en) * | 2012-08-31 | 2012-11-28 | 赵小林 | Planting method of oilcamellia rich in selenium |
| CN102792843B (en) * | 2012-08-31 | 2013-11-27 | 赵小林 | Planting method of oilcamellia rich in selenium |
| CN103718789B (en) * | 2013-07-25 | 2016-03-09 | 王运海 | A kind of implantation methods of the Radix Astragali |
| CN103718789A (en) * | 2013-07-25 | 2014-04-16 | 王运海 | Radix astragali planting method |
| CN104620799A (en) * | 2013-11-12 | 2015-05-20 | 呼和浩特市通瑞科技有限责任公司 | Astragalus mongholicus bunge high-ridge seedbed drop irrigation seedling raising technique |
| CN104620799B (en) * | 2013-11-12 | 2018-09-21 | 内蒙古瑞琛生物科技有限公司 | A kind of astragalus mongolicus high ridge seedbed trickle irrigation method for culturing seedlings |
| CN105766249A (en) * | 2014-12-22 | 2016-07-20 | 重庆市万盛经开区黑山镇供销合作社有限公司 | Method for planting Astragalus mongholicus |
| CN106135643A (en) * | 2015-03-30 | 2016-11-23 | 李永成 | A kind of production method of keep healthy broiler chicken and egg |
| CN105900804A (en) * | 2016-04-18 | 2016-08-31 | 甘肃赫博陇药科技有限责任公司 | Radix Astragali soilless green seedling growing method |
| CN112552128A (en) * | 2020-12-17 | 2021-03-26 | 新疆农业大学 | Microbial compound bacterial fertilizer for cultivating selenium-rich astragalus and cultivation method of astragalus |
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Denomination of invention: High-selenium radix astragali and culture method thereof Effective date of registration: 20130416 Granted publication date: 20121010 Pledgee: CITIC Bank, Limited by Share Ltd, Suzhou branch Pledgor: Suzhou Se Technology Co., Ltd. Registration number: 2013320010006 |
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