CN108707014A - A kind of preparation method of selenium-enriched watermelon Nutrition Soil - Google Patents
A kind of preparation method of selenium-enriched watermelon Nutrition Soil Download PDFInfo
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- CN108707014A CN108707014A CN201810722162.4A CN201810722162A CN108707014A CN 108707014 A CN108707014 A CN 108707014A CN 201810722162 A CN201810722162 A CN 201810722162A CN 108707014 A CN108707014 A CN 108707014A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of preparation methods of selenium-enriched watermelon Nutrition Soil, include the following steps:Step 1:It is spare to weigh following corresponding raw material:26-32 parts of Selenium-rich composite fertilizer, 8-14 parts of selenite of pretreating sludge doping, 12-18 parts of selenium mineral powder of modification of chitosan blending, modified 2-6 parts of monkey grass, 5-9 parts of urea, 2-5 parts of humic acid, 3-5 parts of molasses, 12-18 parts of water.The object of the present invention is to provide a kind of preparation method of selenium-enriched watermelon Nutrition Soil, which can effectively improve watermelon Se content compared with prior art, have higher use value and good application prospect.
Description
Technical field
The present invention relates to Nutrition Soil technical fields, and in particular to a kind of preparation method of selenium-enriched watermelon Nutrition Soil.
Background technology
Watermelon is liked warm, dry weather, be can not resist cold, the optimum temperature 24-30 degree of growth and development, root growth and development
Optimum temperature 30-32 degree, 14 degree of the minimum temperature of root hair life, watermelon need larger temperature round the clock in growth and development process
Difference, watermelon is drought-enduring, not moisture-proof, and when rainy days is more, humidity is excessive, easily susceptible, and watermelon light is shone, and watermelon breeding time is long, therefore is needed
Want a large amount of nutrients, with the growth of plant, fertilizer requirement gradually increases, when arriving fruit vigorous growth, reach maximum value, adapt to watermelon
Property it is strong, with the soil is porous, soil layer is deep, and well-drained sand soil is best, likes faintly acid, PH5-7, and summer weather is hot,
Rich in selenium there is great significance, Organic Selenium can remove interior free yl in watermelon, excludes vivotoxin, anti-oxidant, energy effectively
The generation for inhibiting lipid peroxide prevents blood clot, removes cholesterol, enhances immune function of human body.
Existing Chinese patent literature(Publication number:CN104072275B)Disclose a kind of dedicated organic fertilizer of the watermelon of selenium-rich
Material, the fertilizer are made including following raw material in parts by weight:50~60 parts of rape cake containing selenium, 30~50 parts of pig manure, donkey bone meal
20~30 parts, it is 20~35 parts of bamboo shoot skins, 20~50 parts of bagasse, 5~10 parts of compound probiotic, 10~20 parts of trace element, steady
Determine 2~10 parts of agent, which uses rape cake containing selenium, and conversion ratio is relatively low, need to improve to it.
Chinese patent literature(Publication number:CN105820006A)Disclose a kind of selenium-rich liquid producing organic Se-rich watermelon
Fertilizer, including following mass parts raw material be uniformly mixed form:500-650 parts of liquid organic selenium fertilizer, agricultural has 12-18 parts of boron fertilizer
10000-12000 parts of 8-15 parts of machine silicon additive, 5-8 parts of humic acid fertilizer and water;The fertilizer ratio is relatively simple, and watermelon Se content carries
High rate is poor.
Invention content
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of preparation methods of selenium-enriched watermelon Nutrition Soil, should
Selenium-enriched watermelon can effectively improve watermelon Se content compared with prior art, have higher use value and good application prospect.
The present invention solves technical problem and adopts the following technical scheme that:
The present invention provides a kind of preparation methods of selenium-enriched watermelon Nutrition Soil, include the following steps:
Step 1:It is spare to weigh following corresponding raw material:26-32 parts of Selenium-rich composite fertilizer, pretreating sludge adulterate selenous acid
8-14 parts of salt, modification of chitosan blending 12-18 part of selenium mineral powder, modification 2-6 parts of monkey grass, 5-9 parts of urea, 2-5 parts of humic acid,
3-5 parts of molasses, 12-18 parts of water;
Step 2:Selenium-rich composite fertilizer in step 1, pretreating sludge doping selenite, modification of chitosan are blended into selenium mine
Powder, modified monkey grass, urea are added sequentially in homogenizer, speed of agitator 165-175r/min, mixing time 25-
35min then adds humic acid, molasses, water, continues the selenium-enriched watermelon Nutrition Soil for stirring 25-35min to get the present invention.
Preferably, the Selenium-rich composite fertilizer includes following raw material:
32-38 parts of selenium-rich black sesame powder, 28-32 parts of selenium-rich soybean meal, 24-26 parts of selenium-rich scarlet popped rice fecula, Se-enriched yeast 18-22
Part, selenium-rich giant embryo is coarse rice powder 12-16 parts glutinous, 12-16 parts of selenium-rich tea powder.
Preferably, the Selenium-rich composite fertilizer includes following raw material:
35 parts of selenium-rich black sesame powder, 30 parts of selenium-rich soybean meal, 25 parts of selenium-rich scarlet popped rice fecula, 20 parts of Se-enriched yeast, selenium-rich giant embryo
14 parts of glutinous coarse rice powder, 14 parts of selenium-rich tea powder.
Preferably, the pretreating sludge doping selenite preparation method is that sludge is added in magnetic stirring apparatus,
It is 20-30% sodium hydroxide solutions that mass fraction is then added thereto, and it is 75 DEG C that temperature, which is risen to, reacts 26-32min, then
Selenite is added, double-frequency ultrasound radiation is then carried out and adulterates selenite to get pretreating sludge.
Preferably, the selenite is sodium selenite.
Preferably, the double-frequency ultrasound radiation is that 22 and 25KHz double-frequency ultrasounds radiate 20-24min.
Preferably, the modification of chitosan blending selenium mineral powder preparation method is to add chitosan into magnetic stirring apparatus,
Isopropanol, water then are added, temperature is risen to 85 DEG C, 15-25min is reacted, then adds chlorination glycidol trimethyl
Aqueous ammonium, the reaction was continued 35-45min are then refiltered, then washed with ethyl alcohol, then filter, and it is poly- to be drying to obtain chitosan
The poly- ammonium salt of chitosan, selenium mineral powder are then sent in magnetic stirring apparatus, speed of agitator 95-105r/min by ammonium salt, when stirring
Between for 12-16min to get modification of chitosan blend selenium mineral powder.
Preferably, the poly- ammonium salt of the chitosan, selenium mineral powder substance mass ratio be(5-9):3.
Preferably, the poly- ammonium salt of the chitosan, selenium mineral powder substance mass ratio be 7:3.
Preferably, the modified monkey grass preparation method be by monkey grass with mass fraction be 50-60% dilute sulfuric acids into
Row acidification is that 20-30% sodium hydroxides carry out alkalization neutralization followed in turn by mass fraction.
Compared with prior art, the present invention has following advantageous effect:
(1)In selenium-rich nutritive soil sufficient selenium element, while pretreating sludge of arranging in pairs or groups are provided as base-material using Selenium-rich composite fertilizer
Doping selenite, modification of chitosan blending selenium mineral powder further improve Se content, and it is watermelon growing to be aided with the raw materials such as urea
Provide sufficient nutrient.
(2)Its added value can be improved in sludge after pretreatment, and sodium selenite is adulterated in sludge, can be by its slow release
Go out, selenium element is constantly absorbed during watermelon growing, then can effectively enhance Se content.
(3)Chitosan is insoluble in water, and the present invention is modified as the poly- ammonium salt of chitosan, then blends selenium-rich mineral, can be effective
Release what selenium element was stablized and be applied on watermelon plant, then further increase the Se content of watermelon, selenium of the present invention contains
Amount is greatly improved compared with prior art.
(4)For embodiment 3 relative to comparative example 4, watermelon Se content improves 5.18ug, and selenium increase rate, which has, to be significantly improved,
Selenium-rich composite fertilizer Se content is added simultaneously and improves 0.25ug, and addition modification of chitosan blending selenium mineral powder Se content improves
1.86ug, though Se content is high in Selenium-rich composite fertilizer, when watermelon growing, absorbs less, and pretreating sludge, modification of chitosan
It can promote absorption of the watermelon to selenium.
Specific implementation mode
With reference to specific embodiment, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of preparation method of selenium-enriched watermelon Nutrition Soil of the present embodiment, includes the following steps:
Step 1:It is spare to weigh following corresponding raw material:26 parts of Selenium-rich composite fertilizer, pretreating sludge adulterate selenite 8
Part, 12 parts of selenium mineral powder of modification of chitosan blending, modified 2 parts of monkey grass, 5 parts of urea, 2 parts of humic acid, 3 parts of molasses, 12 parts of water;
Step 2:Selenium-rich composite fertilizer in step 1, pretreating sludge doping selenite, modification of chitosan are blended into selenium mine
Powder, modified monkey grass, urea are added sequentially in homogenizer, speed of agitator 165r/min, mixing time 25min,
Humic acid, molasses, water then are added, continues the selenium-enriched watermelon Nutrition Soil for stirring 25min to get the present invention.
The Selenium-rich composite fertilizer of the present embodiment includes following raw material:
32 parts of selenium-rich black sesame powder, 28 parts of selenium-rich soybean meal, 24 parts of selenium-rich scarlet popped rice fecula, 18 parts of Se-enriched yeast, selenium-rich giant embryo
12 parts of glutinous coarse rice powder, 12 parts of selenium-rich tea powder.
The pretreating sludge doping selenite preparation method of the present embodiment is that sludge is added in magnetic stirring apparatus, with
It is 20% sodium hydroxide solution that mass fraction is added thereto afterwards, and it is 75 DEG C that temperature, which is risen to, reacts 26min, then adds Asia
Selenate then carries out double-frequency ultrasound radiation and adulterates selenite to get pretreating sludge.
The selenite of the present embodiment is sodium selenite.
The double-frequency ultrasound radiation of the present embodiment is that 22 and 25KHz double-frequency ultrasounds radiate 20min.
The modification of chitosan blending selenium mineral powder preparation method of the present embodiment is to add chitosan into magnetic stirring apparatus, with
After add isopropanol, water, temperature is risen to 85 DEG C, 15min is reacted, it is water-soluble then to add chlorination glycidol trimethyl ammonium
Liquid, the reaction was continued 35min then refilter, then washed with ethyl alcohol, then filter, are drying to obtain the poly- ammonium salt of chitosan, then
The poly- ammonium salt of chitosan, selenium mineral powder are sent in magnetic stirring apparatus, speed of agitator 95r/min, mixing time 12min, i.e.,
It obtains modification of chitosan and blends selenium mineral powder.
The poly- ammonium salt of chitosan of the present embodiment, the mass ratio of selenium mineral powder substance are 7:3.
It with mass fraction is that 50% dilute sulfuric acid carries out acid that the modification monkey grass preparation method of the present embodiment, which is by monkey grass,
Change, is that 20% sodium hydroxide carries out alkalization neutralization followed in turn by mass fraction.
Embodiment 2.
A kind of preparation method of selenium-enriched watermelon Nutrition Soil of the present embodiment, includes the following steps:
Step 1:It is spare to weigh following corresponding raw material:32 parts of Selenium-rich composite fertilizer, pretreating sludge adulterate selenite 14
Part, 18 parts of selenium mineral powder of modification of chitosan blending, modified 6 parts of monkey grass, 9 parts of urea, 5 parts of humic acid, 5 parts of molasses, 18 parts of water;
Step 2:Selenium-rich composite fertilizer in step 1, pretreating sludge doping selenite, modification of chitosan are blended into selenium mine
Powder, modified monkey grass, urea are added sequentially in homogenizer, speed of agitator 175r/min, mixing time 35min,
Humic acid, molasses, water then are added, continues the selenium-enriched watermelon Nutrition Soil for stirring 35min to get the present invention.
The Selenium-rich composite fertilizer of the present embodiment includes following raw material:
38 parts of selenium-rich black sesame powder, 32 parts of selenium-rich soybean meal, 26 parts of selenium-rich scarlet popped rice fecula, 22 parts of Se-enriched yeast, selenium-rich giant embryo
16 parts of glutinous coarse rice powder, 16 parts of selenium-rich tea powder.
The pretreating sludge doping selenite preparation method of the present embodiment is that sludge is added in magnetic stirring apparatus, with
It is 30% sodium hydroxide solution that mass fraction is added thereto afterwards, and it is 75 DEG C that temperature, which is risen to, reacts 32min, then adds Asia
Selenate then carries out double-frequency ultrasound radiation and adulterates selenite to get pretreating sludge.
The selenite of the present embodiment is sodium selenite.
The double-frequency ultrasound radiation of the present embodiment is that 22 and 25KHz double-frequency ultrasounds radiate 24min.
The modification of chitosan blending selenium mineral powder preparation method of the present embodiment is to add chitosan into magnetic stirring apparatus, with
After add isopropanol, water, temperature is risen to 85 DEG C, 25min is reacted, it is water-soluble then to add chlorination glycidol trimethyl ammonium
Liquid, the reaction was continued 45min then refilter, then washed with ethyl alcohol, then filter, are drying to obtain the poly- ammonium salt of chitosan, then
The poly- ammonium salt of chitosan, selenium mineral powder are sent in magnetic stirring apparatus, speed of agitator 105r/min, mixing time 16min, i.e.,
It obtains modification of chitosan and blends selenium mineral powder.
The poly- ammonium salt of chitosan of the present embodiment, the mass ratio of selenium mineral powder substance are 3:1.
It with mass fraction is that 60% dilute sulfuric acid carries out acid that the modification monkey grass preparation method of the present embodiment, which is by monkey grass,
Change, is that 30% sodium hydroxide carries out alkalization neutralization followed in turn by mass fraction.
Embodiment 3.
A kind of preparation method of selenium-enriched watermelon Nutrition Soil of the present embodiment, includes the following steps:
Step 1:It is spare to weigh following corresponding raw material:29 parts of Selenium-rich composite fertilizer, pretreating sludge adulterate selenite 11
Part, 15 parts of selenium mineral powder of modification of chitosan blending, modified 4 parts of monkey grass, 7 parts of urea, 3.5 parts of humic acid, 4 parts of molasses, water 15
Part;
Step 2:Selenium-rich composite fertilizer in step 1, pretreating sludge doping selenite, modification of chitosan are blended into selenium mine
Powder, modified monkey grass, urea are added sequentially in homogenizer, speed of agitator 170r/min, mixing time 30min,
Humic acid, molasses, water then are added, continues the selenium-enriched watermelon Nutrition Soil for stirring 30min to get the present invention.
The Selenium-rich composite fertilizer of the present embodiment includes following raw material:
35 parts of selenium-rich black sesame powder, 30 parts of selenium-rich soybean meal, 25 parts of selenium-rich scarlet popped rice fecula, 20 parts of Se-enriched yeast, selenium-rich giant embryo
14 parts of glutinous coarse rice powder, 14 parts of selenium-rich tea powder.
The pretreating sludge doping selenite preparation method of the present embodiment is that sludge is added in magnetic stirring apparatus, with
It is 25% sodium hydroxide solution that mass fraction is added thereto afterwards, and it is 75 DEG C that temperature, which is risen to, reacts 29min, then adds Asia
Selenate then carries out double-frequency ultrasound radiation and adulterates selenite to get pretreating sludge.
The selenite of the present embodiment is sodium selenite.
The double-frequency ultrasound radiation of the present embodiment is that 22 and 25KHz double-frequency ultrasounds radiate 23min.
The modification of chitosan blending selenium mineral powder preparation method of the present embodiment is to add chitosan into magnetic stirring apparatus, with
After add isopropanol, water, temperature is risen to 85 DEG C, 20min is reacted, it is water-soluble then to add chlorination glycidol trimethyl ammonium
Liquid, the reaction was continued 40min then refilter, then washed with ethyl alcohol, then filter, are drying to obtain the poly- ammonium salt of chitosan, then
The poly- ammonium salt of chitosan, selenium mineral powder are sent in magnetic stirring apparatus, speed of agitator 100r/min, mixing time 14min, i.e.,
It obtains modification of chitosan and blends selenium mineral powder.
The poly- ammonium salt of chitosan of the present embodiment, the mass ratio of selenium mineral powder substance are 7:3.
It with mass fraction is that 55% dilute sulfuric acid carries out acid that the modification monkey grass preparation method of the present embodiment, which is by monkey grass,
Change, is that 25% sodium hydroxide carries out alkalization neutralization followed in turn by mass fraction.
Comparative example 1.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with Selenium-rich composite fertilizer.
Comparative example 2.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with pretreating sludge doping selenous acid
Salt.
Comparative example 3.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with modification of chitosan blending selenium mineral powder.
Comparative example 4.
Chinese patent literature(Publication number:CN104072275B)It discloses and implements in a kind of dedicated organic fertilizer of the watermelon of selenium-rich
The raw material and method of example 1.
Embodiment 3 and comparative example 1-4 Watermelon Fruit growth period performance tests
Watermelon Se content(ug) | |
Embodiment 3 | 8.21 |
Comparative example 1 | 7.96 |
Comparative example 2 | 7.23 |
Comparative example 3 | 6.35 |
Comparative example 4 | 3.03 |
For embodiment 3 relative to comparative example 4, watermelon Se content improves 5.18ug, and selenium increase rate, which has, to be significantly improved, and is added simultaneously
Selenium-rich composite fertilizer Se content improves 0.25ug, and addition modification of chitosan blending selenium mineral powder Se content improves 1.86ug, selenium-rich
Though Se content is high in composite fertilizer, when watermelon growing, absorbs less, and pretreating sludge, modification of chitosan can promote watermelon pair
The absorption of selenium.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of preparation method of selenium-enriched watermelon Nutrition Soil, which is characterized in that include the following steps:
Step 1:It is spare to weigh following corresponding raw material:26-32 parts of Selenium-rich composite fertilizer, pretreating sludge adulterate selenous acid
8-14 parts of salt, modification of chitosan blending 12-18 part of selenium mineral powder, modification 2-6 parts of monkey grass, 5-9 parts of urea, 2-5 parts of humic acid,
3-5 parts of molasses, 12-18 parts of water;
Step 2:Selenium-rich composite fertilizer in step 1, pretreating sludge doping selenite, modification of chitosan are blended into selenium mine
Powder, modified monkey grass, urea are added sequentially in homogenizer, speed of agitator 165-175r/min, mixing time 25-
35min then adds humic acid, molasses, water, continues the selenium-enriched watermelon Nutrition Soil for stirring 25-35min to get the present invention.
2. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 1, which is characterized in that described Se-enriched
Fertilizer includes following raw material:
32-38 parts of selenium-rich black sesame powder, 28-32 parts of selenium-rich soybean meal, 24-26 parts of selenium-rich scarlet popped rice fecula, Se-enriched yeast 18-22
Part, selenium-rich giant embryo is coarse rice powder 12-16 parts glutinous, 12-16 parts of selenium-rich tea powder.
3. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 2, which is characterized in that described Se-enriched
Fertilizer includes following raw material:
35 parts of selenium-rich black sesame powder, 30 parts of selenium-rich soybean meal, 25 parts of selenium-rich scarlet popped rice fecula, 20 parts of Se-enriched yeast, selenium-rich giant embryo
14 parts of glutinous coarse rice powder, 14 parts of selenium-rich tea powder.
4. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 1, which is characterized in that the pretreatment is dirty
Mud doping selenite preparation method is that sludge is added in magnetic stirring apparatus, and it is 20- that mass fraction is then added thereto
30% sodium hydroxide solution, it is 75 DEG C that temperature, which is risen to, reacts 26-32min, then adds selenite, then carry out double frequency
Ultrasonic radiation adulterates selenite to get pretreating sludge.
5. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 4, which is characterized in that the selenite
For sodium selenite.
6. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 4, which is characterized in that the double-frequency ultrasound
Radiation is that 22 and 25KHz double-frequency ultrasounds radiate 20-24min.
7. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 1, which is characterized in that the modified shell is poly-
Sugar blending selenium mineral powder preparation method is to add chitosan into magnetic stirring apparatus, isopropanol, water is then added, by temperature liter
To 85 DEG C, 15-25min is reacted, chlorination glycidol trimethyl ammonium aqueous solution is then added, the reaction was continued 35-45min, with
After refilter, then washed with ethyl alcohol, then filter, the poly- ammonium salt of chitosan be drying to obtain, then by the poly- ammonium salt of chitosan, selenium mine
Powder is sent in magnetic stirring apparatus, speed of agitator 95-105r/min, and mixing time is 12-16min to get modification of chitosan
Blend selenium mineral powder.
8. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 7, which is characterized in that the chitosan is poly-
Ammonium salt, selenium mineral powder substance mass ratio be(5-9):3.
9. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 8, which is characterized in that the chitosan is poly-
Ammonium salt, selenium mineral powder substance mass ratio be 7:3.
10. a kind of preparation method of selenium-enriched watermelon Nutrition Soil according to claim 1, which is characterized in that the modified palm fibre
It with mass fraction is that 50-60% dilute sulfuric acids are acidified that palmitic acid fiber producing processes, which are by monkey grass, is followed in turn by mass fraction
20-30% sodium hydroxides carry out alkalization neutralization.
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Cited By (1)
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CN110810201A (en) * | 2019-11-26 | 2020-02-21 | 陕西科技大学 | Soilless plant culture substrate and preparation method thereof |
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CN106747717A (en) * | 2016-12-16 | 2017-05-31 | 刘继顺 | A kind of selenium-rich seedling medium and preparation method for cultivating organic Se-rich vegetables |
CN107162777A (en) * | 2017-06-23 | 2017-09-15 | 华南农业大学 | One kind spraying film forming controllable sustained-release type blade face selenium fertilizer and preparation method and application |
RU2016116053A (en) * | 2016-04-25 | 2017-10-30 | Минбаев Шароф Ташимбекович | METHOD FOR PRODUCING VERMICOMPOST ENRICHED WITH SELENIUM AND IODINE |
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CN102786349A (en) * | 2012-08-15 | 2012-11-21 | 苏州硒谷科技有限公司 | Selenium-rich watermelon seedling raising matrix and method of producing organic selenium-rich watermelon by using same |
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CN106747717A (en) * | 2016-12-16 | 2017-05-31 | 刘继顺 | A kind of selenium-rich seedling medium and preparation method for cultivating organic Se-rich vegetables |
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CN110810201A (en) * | 2019-11-26 | 2020-02-21 | 陕西科技大学 | Soilless plant culture substrate and preparation method thereof |
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Application publication date: 20181026 |