CN102511349A - Jujube rich in organic selenium and production method thereof - Google Patents
Jujube rich in organic selenium and production method thereof Download PDFInfo
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- CN102511349A CN102511349A CN2011104105653A CN201110410565A CN102511349A CN 102511349 A CN102511349 A CN 102511349A CN 2011104105653 A CN2011104105653 A CN 2011104105653A CN 201110410565 A CN201110410565 A CN 201110410565A CN 102511349 A CN102511349 A CN 102511349A
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Abstract
The invention discloses a jujube rich in organic selenium and a cultivation method of the jujube rich in organic selenium. The jujube rich in organic selenium has the total selenium content of 10-500 mu g/kg and the ratio of organic selenium in the jujube is not less than 70%. The method is realized by cultivating according to a normal jujube planting method, and the method is characterized by also comprising the step of: applying a nano selenium plant nutritional agent at one or more stages of winter dormancy stage, germination state, blooming stage, young fruit stage and fruit swelling stage in the jujube growth cycle. According to the jujube rich in organic selenium obtained by the method disclosed by the invention, the state of selenium is safer and more effective, the selenium content achieves target content, and jujube rich in organic selenium of different selenium-rich standards can be obtained by adjusting and control.
Description
Technical field
The present invention relates to a kind of production method of rich selenium jujube, belong to the agronomic culture technical field.
Technical background
Selenium is a kind of essential trace element of a kind of humans and animals, have remove free radical anti-oxidant, delay senility, biological propertyes such as anticancer, enhancing immunity, antagonism heavy metal.The data that WHO announces shows that also the whole world has more than 40 country to belong to low selenium or scarce selenium area.The main meals that lean in human body selenium source are taken in, and rich selenium agricultural byproducts are human body Selenium Supplement element effective ways, and therefore, technique of enriched selenium is scientists study hot of research and development field.
The Se content of crops generally receives the influence of factors such as crop varieties, Selenium in Soil content and some physical and chemical indexs, agronomy control measures.China belongs to the country that soil seriously lacks selenium, and the whole nation has 70% area all to belong to lack the selenium area approximately.The selenium deficiency of soil has directly caused the deficiency of Se content in most of regional crops, makes China a big chunk crowd be in the selemium nutrition deficiency state.
Jujube is fruit or the dry fruit that people use always, contains and enriches vitamin, and the good reputation of natural complex ball is arranged.Edible jujube can replenish multivitamin, enhancing human immune; Replenish mineral elements such as calcium iron, treatment anaemia, osteoporosis diseases; Jujube can also antiallergy, remove stench strange taste, antitoxic heart-soothing and sedative, brain healthy, whet the appetite.
Selenium in the plant corpus totally is divided into inorganic selenium and organic selenium two big classes: inorganic selenium assimilation effect for humans and animals is poor, and risk of toxicity is big, and improper use very easily causes selenosis; The latter mainly comprises forms such as seleno-amino acids, seleno albumen, selenium polysaccharide, good absorbing effect concerning humans and animals, and toxicity is little, is more suitable for mending the requirement of selenium.Selenium in the jujube transforms through bio-absorbable, and most of form with organic selenium exists, and is safe, and helps people and absorb.
Through the rich selenium jujube of the selenium nutrition-intensified production of manual work, be the essential road of standardization, the rich selenium jujube of large-scale production.The production method blade spraying selenium salt or the simple substance selenium solution of present rich selenium jujube; Like publication number is the production method that the one Chinese patent application of CN101305682A discloses a kind of rich selenium jujube; Its method is after the jujube melon and fruit, to jujube tree foliage-spray inorganic selenium solution, sprays altogether 4～7 times.And for example publication number is the production method that the one Chinese patent application of CN101861775A discloses a kind of rich selenium jujube; Its method is for to execute sodium selenite through root; Carry out repeatedly foliage-spray in conjunction with young fruit period stem stalk injection inorganic selenium salting liquid or date fruit expanding stage, reach the purpose of the rich selenium of date fruit.Both are common weak point: need repeatedly carry out selenium nutrition-intensifiedly, comprise that the inorganic selenium root is executed, the injection of stem stalk, foliage-spray etc. repeatedly, complex operation needs to drop into bigger labour cost; Use a large amount of selenium in the production process, jujube causes the waste of selenium resource to degree of the absorbing end of selenium, and a large amount of selenium flows into field ecosystem, causes selenium contamination easily; The step that the inorganic selenium foliage-spray is all arranged in the production process, leaves of plants are not main absorption organs, and absorbing capacity is limited, and inorganic selenium toxicity is big, and residual inorganic selenium has bigger potential safety hazard.The present invention therefore.
Summary of the invention
The present invention provides a kind of organic selenium-rich jujube, and with respect to common jujube, this organic selenium-rich jujube Se content has improved several times to tens times.With respect to the rich selenium jujube that prior art is produced, this organic selenium-rich jujube stable content is controlled, and the ratio of organic selenium >=70% wherein, and form is safer, absorbs better effects if.
Technical scheme of the present invention is following:
A kind of organic selenium-rich jujube, the total Se content that it is characterized in that said organic selenium-rich jujube are 10～500 μ g/kg, organic selenium content ratio >=70% wherein.
Another object of the present invention is to provide a kind of breeding method of organic selenium-rich jujube; Said method is cultivated according to the kind method for planting of normal jujube tree, it is characterized in that said method also is included in a period of the winter dormancy phase of the growth cycle that is selected from jujube, budding period, florescence, young fruit period, fruit expanding period or imposes the step of nanometer selenium plant nutrient agent a plurality of period.
Preferably, the method for application of said nanometer selenium plant nutrient agent is disposable and executes.
Preferably, execute and be included in the jujube tree root outside and open annular groove for disposable described in the said method, furrow width 30～50cm, dark 30～50cm apply the step in the ditch with the nanometer selenium plant nutrient agent then.
Preferably; When the winter dormancy phase of employing jujube or budding period are carried out using of nanometer selenium plant nutrient agent in the said method; The usage amount of nanometer selenium plant nutrient agent is 1～60kg/ mu jujube field, and selects for use potassium sulphate to control selenium release, and the usage amount of said potassium sulphate is 1～5kg/ mu jujube field.
Preferably, when carrying out the using of nanometer selenium plant nutrient agent before adopting jujube to bloom in the said method, the usage amount of nanometer selenium plant nutrient agent is 1～60kg/ mu jujube field, and the jujube tree of sneaking into effective florescence consumption is used composite fertilizer.
Preferably, when adopting jujube flowering stage or young fruit period to carry out using of nanometer selenium plant nutrient agent in the said method, the usage amount of nanometer selenium plant nutrient agent is 1～75kg/ mu jujube field, and to sneak into consumption be that the jujube tree of 10～15kg/ mu is used liquid fertilizer.
Preferably, when adopting the fruit expanding period of jujube to carry out using of nanometer selenium plant nutrient agent in the said method, the usage amount of nanometer selenium plant nutrient agent is 1～75kg/ mu jujube field, and sneaks into quicklime and jujube tree is used solid organic fertilizer.
Preferably, the part by weight of nanometer selenium plant nutrient agent and quicklime is 20: 1～2 in the said method; Said jujube tree is used the effective amount of application of the consumption of solid organic fertilizer as date fruit expanding stage fertilizer.
Preferably, jujube expanding stage fertilization time is that jujube is in the ripe previous moon the latest in the said method.
The present invention provides a kind of production method that is rich in the jujube of organic selenium.Total Se content of the organic selenium-rich jujube that this method is produced is 10～500 μ g/kg, organic selenium content ratio >=70% wherein.The present invention also provides the production method of organic selenium-rich jujube.(Suzhou selenium paddy Science and Technology Ltd. produces this method combining nano selenium plant nutrient; Model is XGP001A) form the disposable jujube ground soil that applies of specific prescription at special time period; In conjunction with certain water and fertilizer management; The biological effectively selenium that provides for jujube; And form the various selenium organic-biological molecules that contain through metabolic conversion, solved existing relevant technique of enriched selenium or have the region limitation or have the residual poisoning risk of inorganic selenium or drop into the problem that height causes cost to increase because of complex operation, labour.
The concrete production method of this organic selenium-rich jujube provided by the invention is following:
Implementation method: in certain period of jujube growth; The certain amount of nano selenium plant nutrient is mixed disposable of back with different controlled-release materials apply the field, make jujube pass through the effective selenium of root organism-absorbing, again through transforming synthetic organic selenium; Finally run up in the date fruit results organic selenium-rich jujube.In the implementation method period of jujube plantation can be when jujube plantation a plurality of a period of interim any selection or a plurality of period, comprise winter dormancy phase, budding period, florescence, young fruit period, fruit expanding period these periods.The applied amount of nanometer selenium plant nutrient agent and concrete applying method in the implementation method, the physiological periods decision of jujube during according to enforcement.
When selecting the jujube winter dormancy phase to implement to the budding period, the usage amount of nanometer selenium plant nutrient agent is 1～50kg/ mu.Preferred 2～40kg/ mu.Implementation method does, apart from jujube tree root open loop shape ditch, and furrow width 50cm, dark 50cm.After nanometer selenium plant nutrient agent and potassium sulphate (5kg/ mu) fully mixed, be sprinkled in the ditch, earthing is buried.Use potassium sulphate, potash fertilizer is grown with the promotion fruit of Chinese jujube.But the rate of release of the effective selenium of plant in the sulfate radical appropriate inhibition nanometer selenium plant nutrient agent; And participate in the jujube tree root absorption of selenium fertilizer is competed; Slow down the absorption of effective selenium, prolong the nanometer selenium plant nutrient agent fertilizer efficiency time, guarantee that jujube has lasting effective selenium supply in long growth cycle.
When implementing before selecting jujube to bloom, the usage amount of nanometer selenium plant nutrient agent is 1～60kg/ mu, preferred 3～50kg/ mu.Implementation method does, apart from jujube tree root open loop shape ditch, and furrow width 50cm, dark 50cm.With nanometer selenium plant nutrient agent jujube tree with composite fertilizer's mixing after, be sprinkled in the ditch.Composite fertilizer's consumption is with reference to the conventional florescence fertilising of jujube tree scheme.
When selecting jujube flower phase or young fruit period to implement, the usage amount of nanometer selenium plant nutrient agent is 1～75kg/ mu.Preferred 3～60kg/ mu.Implementation method does, apart from jujube tree root open loop shape ditch, and furrow width 50cm, dark 30cm.Behind nanometer selenium plant nutrient agent and the liquid fertilizer mixing of jujube tree, be sprinkled in the ditch.Liquid fertilizer consumption is 10～15kg/ mu.Add a certain amount of organic matter, can promote the absorption rate of jujube rhizosphere air capacity of soils and root.Guarantee that jujube can absorb effective selenium of capacity in short growth cycle.
When selecting the date fruit expanding stage to implement, the usage amount of nanometer selenium plant nutrient agent is 1～75kg/ mu, preferred 5～60kg/ mu.Implementation method does, apart from jujube tree root open loop shape ditch, and furrow width 50cm, dark 30cm.After nanometer selenium plant nutrient agent, quicklime and jujube tree mixed with solid organic fertilizer, evenly be sprinkled in the ditch.Method of operating is the nanometer selenium plant nutrient agent with after quicklime fully mixes according to 20: 1～2 ratio, mixes with solid organic fertilizer again.The solid organic fertilizer amount of application is with reference to conventional date fruit expanding stage organic manure application rate.Quicklime and the slaked lime that can generate alkalescence after water in the soil contacts, alkaline environment can promote the effectively release of selenium in the nanometer selenium plant nutrient agent.Add a certain amount of organic matter simultaneously, can promote the absorption rate of jujube rhizosphere air capacity of soils and root.Guarantee that jujube can absorb effective selenium of capacity at shorter growth cycle.
As preferably, jujube expanding stage fertilization time is ripe previous month of jujube the latest.
Compare prior art, the present invention has following beneficial effect:
1, executes the nanometer selenium plant nutrient agent through root, make jujube pass through root and absorb selenium and transform synthetic organic selenium in vivo, make in the jujube selenium form more safe and effective.
2, operation is simple, in the jujube growth cycle, carries out single-dose application and can guarantee that Se content reaches target content in the organic selenium-rich jujube.
3, controllability is strong.The present invention can through adding different ingredients, regulate the rate of release of selenium in the nanometer selenium plant nutrient agent and the absorption rate of jujube tree root according to fertilization time, guarantees that jujube tree absorbs effective selenium of capacity.According to the size of aim parameter,, gather in the crops the organic selenium-rich jujube of different rich selenium standards simultaneously through regulating fertilizing amount.
4, very strong practicality is arranged, because method provided by the invention can be from jujube winter until fruit expanding period all can be carried out selenium nutrition-intensified.In production application,, very strong flexibility and controllability are arranged according to actual conditions.
Embodiment:
Following examples are used to explain the present invention, but can not be used for limiting scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and unaccounted implementation condition is generally the condition in the normal experiment.
Carry out the Se content method for measuring in following examples by GB 5009.93-2010 " mensuration of selenium in the food ", detect Se content with the hydride generation atomic fluorescence spectroscopic methodology.
Embodiment 1～8
In certain jujube planting base, behind the jujube winter dormancy or the budding period, choose 50 jujube trees, the usage amount of nanometer selenium plant nutrient agent is a 1kg/ mu among the embodiment 1, per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and potassium sulphate (consumption 5kg/ mu) mixed according to branch, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 50cm.Nanometer selenium plant nutrient agent that mixes and potassium sulphate are sprinkled in the ditch, and earthing is buried.After treating the jujube results, detect and respectively organize Se content in the jujube, the result sees table 1.
Embodiment 2～8 other conditions are identical with embodiment 1, and difference is the usage amount of nanometer selenium plant nutrient agent, among the embodiment 2～7 usage amount of nanometer selenium plant nutrient agent be followed successively by 3,5,8,10,20,40,50kg/ mu.
Se content testing result in table 1 jujube
Embodiment 9～14
In certain jujube planting base, before jujube tree blooms, choose 50 jujube trees, the usage amount of nanometer selenium plant nutrient agent is a 1kg/ mu among the embodiment 9, per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and jujube mixed with composite fertilizer, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 50cm.Nanometer selenium plant nutrient agent that mixes and composite fertilizer are sprinkled in the ditch, and earthing is buried.
Embodiment 10～14 other conditions are identical with embodiment 9, and difference is the usage amount of nanometer selenium plant nutrient agent, among the embodiment 10～14 usage amount of nanometer selenium plant nutrient agent be followed successively by 3,10,25,50,60kg/ mu.After treating the jujube results, detect and respectively organize Se content in the jujube, the result sees table 2.
Se content testing result in table 2 jujube
Embodiment 15～21
In certain jujube planting base, jujube tree florescence or jujube young fruit period are chosen 50 jujube trees, and the usage amount of nanometer selenium plant nutrient agent is a 2kg/ mu among the embodiment 15, and per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and solid organic fertilizer mixed, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 30cm.Nanometer selenium plant nutrient agent that mixes and fertilizer are sprinkled in the ditch, and earthing is buried.
Embodiment 16～21 other conditions are identical with embodiment 15, and difference is the usage amount of nanometer selenium plant nutrient agent, among the embodiment 16～21 usage amount of nanometer selenium plant nutrient agent be followed successively by 4,8,15,30,60,75kg/ mu.After treating the jujube results, detect and respectively organize Se content in the jujube, the result sees table 3.
Se content testing result in table 3 jujube
Embodiment 22～27
In certain jujube planting base, the date fruit expanding stage is chosen 50 jujube trees, and the usage amount of nanometer selenium plant nutrient agent is a 5kg/ mu among the embodiment 22, and per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and quicklime mixed according to 20: 0.5, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 30cm.Nanometer selenium plant nutrient agent that mixes and quicklime are sprinkled in the ditch, and earthing is buried.After treating the jujube results, detect and respectively organize Se content in the jujube.
Embodiment 23～27 other conditions are identical with embodiment 22, and difference is the usage amount of nanometer selenium plant nutrient agent, among the embodiment 23～27 usage amount of nanometer selenium plant nutrient agent be followed successively by 10,15,30,60,75kg/ mu.
Embodiment 28
In certain jujube planting base, the date fruit expanding stage is chosen 50 jujube trees, is 10kg/ mu according to the usage amount of nanometer selenium plant nutrient agent, and per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and quicklime mixed according to 20: 0.8, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 30cm.Nanometer selenium plant nutrient agent that mixes and quicklime are sprinkled in the ditch, and earthing is buried.After treating the jujube results, detect Se content in the jujube.
Embodiment 29
In certain jujube planting base, jujube is beared fruit the phase, chooses 50 jujube trees, is 10kg/ mu according to the usage amount of nanometer selenium plant nutrient agent, and per 10 trees are an experimental group, are converted to individual plant enforcement amount according to jujube tree spacing in the rows line-spacing.After nanometer selenium plant nutrient agent and quicklime mixed according to 20: 1, the excavation annular groove apart from jujube tree root 80～100cm place, furrow width 50cm, dark 30cm.Nanometer selenium plant nutrient agent that mixes and quicklime are sprinkled in the ditch, and earthing is buried.After treating the jujube results, detect Se content in the jujube.The testing result of embodiment 22～29 is seen table 4
Se content testing result in table 4 jujube
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let 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 equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. organic selenium-rich jujube, the total Se content that it is characterized in that said organic selenium-rich jujube is 10 ~ 500 μ g/kg, organic selenium content ratio >=70% wherein.
2. the breeding method of the described organic selenium-rich jujube of claim 1; Said method is cultivated according to the kind method for planting of normal jujube tree, it is characterized in that said method also is included in a period of the winter dormancy phase of the growth cycle that is selected from jujube, budding period, florescence, young fruit period, fruit expanding period or imposes the step of nanometer selenium plant nutrient agent a plurality of period.
3. method according to claim 2, the method for application that it is characterized in that said nanometer selenium plant nutrient agent are disposable and execute.
4. method according to claim 3 is characterized in that described in the said method executing for disposable being included in the jujube tree root outside and opening annular groove, and furrow width 30～50cm, dark 30～50 cm apply the step in the ditch with the nanometer selenium plant nutrient agent then.
5. method according to claim 2; When it is characterized in that in the said method adopting winter dormancy phase or the budding period of jujube to carry out using of nanometer selenium plant nutrient agent; The usage amount of nanometer selenium plant nutrient agent is 1 ~ 50 kg/ mu jujube field; And select for use potassium sulphate to control selenium release, the usage amount of said potassium sulphate is 1～5 kg/ mu jujube field.
6. method according to claim 2; When it is characterized in that before the florescence of jujube, carrying out in the said method the using of nanometer selenium plant nutrient agent; The usage amount of nanometer selenium plant nutrient agent is 1 ~ 60 kg/ mu jujube field, and the jujube tree of sneaking into effective florescence consumption is used composite fertilizer.
7. method according to claim 2; When it is characterized in that in the said method adopting florescence or the young fruit period of jujube to carry out using of nanometer selenium plant nutrient agent; The usage amount of nanometer selenium plant nutrient agent is 1 ~ 75 kg/ mu jujube field, and to sneak into consumption be that the jujube tree of 10 ~ 15 kg/ mus is used liquid fertilizer.
8. method according to claim 2; When it is characterized in that in the said method adopting the fruit expanding period of jujube to carry out using of nanometer selenium plant nutrient agent; The usage amount of nanometer selenium plant nutrient agent is 1 ~ 75 kg/ mu jujube field, and sneaks into quicklime and jujube tree is used solid organic fertilizer.
9. method according to claim 8 is characterized in that the part by weight of nanometer selenium plant nutrient agent and quicklime is 20:1 ~ 2 in the said method; Said jujube tree is used the effective amount of application of the consumption of solid organic fertilizer as date fruit expanding stage fertilizer.
10. method according to claim 8 is characterized in that date fruit expanding stage fertilization time is the latest in ripe previous month of the jujube in the said method.
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Cited By (6)
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| CN102771295A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | Method for improving selenium fertilizer absorption efficiency of tea trees |
| CN103404402A (en) * | 2013-08-23 | 2013-11-27 | 安徽省农业科学院蚕桑研究所 | Cultivation method of organic selenium-enriched mulberry |
| CN103875847A (en) * | 2014-02-25 | 2014-06-25 | 安徽硒谷生物科技有限公司 | Selenium-rich chrysanthemum substitute tea and production method thereof |
| CN103918520A (en) * | 2014-04-25 | 2014-07-16 | 汾州裕源土特产品有限公司 | Walnut rich in selenium and organic fertilizer rich in selenium for walnut rich in selenium |
| CN107114183A (en) * | 2017-05-03 | 2017-09-01 | 滨州学院 | A kind of soil management method for improving winter-jujube fruit quality |
| CN110903111A (en) * | 2019-11-21 | 2020-03-24 | 沧州市农林科学院 | Fertilizing method for improving quality of wild jujubes |
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| CN102150589A (en) * | 2010-12-09 | 2011-08-17 | 苏州硒谷科技有限公司 | Organic selenium-enriched navel orange and production method thereof |
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| CN101781133A (en) * | 2009-12-31 | 2010-07-21 | 苏州硒谷科技有限公司 | Organic selenium-rich pear special nutrient, preparing method and applications thereof |
| CN101861775A (en) * | 2010-05-26 | 2010-10-20 | 西北农林科技大学 | Red date selenium-enriched fertilizing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102771295A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | Method for improving selenium fertilizer absorption efficiency of tea trees |
| CN103404402A (en) * | 2013-08-23 | 2013-11-27 | 安徽省农业科学院蚕桑研究所 | Cultivation method of organic selenium-enriched mulberry |
| CN103875847A (en) * | 2014-02-25 | 2014-06-25 | 安徽硒谷生物科技有限公司 | Selenium-rich chrysanthemum substitute tea and production method thereof |
| CN103918520A (en) * | 2014-04-25 | 2014-07-16 | 汾州裕源土特产品有限公司 | Walnut rich in selenium and organic fertilizer rich in selenium for walnut rich in selenium |
| CN103918520B (en) * | 2014-04-25 | 2015-11-04 | 汾州裕源土特产品有限公司 | A kind of rich selenium walnut and the organic selenium-rich fertilizer for rich selenium walnut thereof |
| CN107114183A (en) * | 2017-05-03 | 2017-09-01 | 滨州学院 | A kind of soil management method for improving winter-jujube fruit quality |
| CN110903111A (en) * | 2019-11-21 | 2020-03-24 | 沧州市农林科学院 | Fertilizing method for improving quality of wild jujubes |
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Application publication date: 20120627 |