CN109734494A - A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof - Google Patents
A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to technical field of agricultural fertilizers, in particular a kind of dedicated selenium-rich fertilizer of peach and preparation method thereof, it is made of by weight following components: 5-10 parts of copper-bath, 1-2 parts of calcium sulphate soln, 3-5 parts of Adlerika, 0.2-0.5 parts of borax soln, 13-17 parts of phosphoric acid diamines, 10-11 parts of urea, 5-8 parts of potassium sulfate, 3-6 parts of selenium-rich extracting solution, remaining is pure water, the dedicated selenium-rich fertilizer of peach produced by the present invention can not only make in peach rich in selenium element, selenium participates in that collective is anti-oxidant and energetic supersession, it is immune in adjusting that health selenium-supply is tieed up by selenium, resist cell mutation, prevent the generation of cancer, furthermore, pass through copper-bath, calcium sulphate soln, Adlerika and borax soln are come the microelement needed for supplementing peach during the growth process, effectively prevent leaf So that green, withered, terminal bud is stopped the problems such as long, by the chemical fertilizer of solution-type, can directly be hung on peach and carry out external fluid infusion, not only nutrition takes effect block, and will not destroy the pH value and element balance of soil.
Description
Technical field
The present invention relates to technical field of agricultural fertilizers, specially a kind of dedicated selenium-rich fertilizer of peach and preparation method thereof.
Background technique
Peach is deciduous tree, bark black, up to 8 meters, sprig bronzing or breen, hairless.Bud is close by grey suede
Hair.Elliptic leaf shape lanceolar, long 7~15cm.Flower Dan Sheng, diameter about 3cm, pink.Fruit is subsphaeroidal, 5~7cm of diameter, the close quilt in surface
Villus.3~April of florescence, first Ye Kaifang, fruit June to September are mature.For common fruit tree and ornamencal flower and tree.The clear saliva of pulp is sweet in flavor, removes
Also tank dry, processed can be made except eating raw.Fruit, Ye Junhan almond are intoxicated, can be used as medicine, the yield of peach and nutrient and the peach of inside
The chemical fertilizer used when tree planting has essential connection, and the chemical fertilizer that existing peach uses is that solid-like fertilizer is applied into soil
Fertilizer, but the absorption slow effect of this kind of fertilizer not only peach, and the pH value in soil and element balance degree can be destroyed, cause
Some ill symptoms of peach occur, in consideration of it, it is proposed that a kind of dedicated selenium-rich fertilizer of peach and preparation method thereof.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of dedicated selenium-rich fertilizer of peach and its system are provided
Preparation Method is not only made in the peach born for carrying out external fluid infusion for peach rich in selenium member using liquid fertilizer
Element, and greatly improve the yield of peach.
To achieve the above object, the invention provides the following technical scheme: being made of by weight following components: copper sulphate is molten
5-10 parts of liquid, 1-2 parts of calcium sulphate soln, 3-5 parts of Adlerika, 0.2-0.5 parts of borax soln, 13-17 parts of phosphoric acid diamines, urine
10-11 parts plain, 5-8 parts of potassium sulfate, 3-6 parts of selenium-rich extracting solution, remaining is pure water.
Preferably, comprising the following steps:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln are poured into glassware and mixed,
100 DEG C -135 DEG C are warmed to using heating water bath method, sufficiently stirs evenly, is slowly added to borax soln, it is cold after lasting 10-20min
Room temperature processed, it is spare to obtain base fluid；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate is added and phosphoric acid diamines is straight
Until its dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is along being slightly below funnel edge, excess portion sub-cut
Fall, adds pure water that filter paper is made to be close to hopper walls, the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is fallen
Enter funnel, the sediment in composite nutrient-fluid is filtered；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on
It is stored at a temperature of 3-10 DEG C.
Preferably, selenium-rich extracting solution the preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain selenium-rich
Miberal powder；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, adds water
It is uniformly mixed and is tuned into paste, be squeezed into shot-like particle and dry；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, sintering time two
Hour, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid passes through cation exchange column,
Obtain selenium-rich aqueous solution.
Preferably, the concentration of copper-bath chooses 0.16mol/L.
Preferably, calcium sulphate soln concentration chooses 0.18mol/L.
Preferably, Adlerika concentration chooses 2.5mol/L.
Preferably, borax soln concentration chooses 0.3mol/L.
Compared with prior art, beneficial effects of the present invention: the dedicated selenium-rich fertilizer of peach produced by the present invention can not only make
It is rich in selenium element in peach, selenium participates in that collective is anti-oxidant and energetic supersession, ties up health selenium-supply by selenium and is adjusting immune, resists cell
Mutation, prevent the various aspects such as the generation of cancer from playing a very important role, in addition, by copper-bath, calcium sulphate soln,
Adlerika and borax soln come the microelement needed for supplementing peach during the growth process, effectively prevent leaf make it is green,
Withered, terminal bud stops the problems such as long, by the chemical fertilizer of solution-type, can directly be hung on peach and carry out external fluid infusion, not only seek
The block that takes effect is supported, and the pH value and element balance of soil will not be destroyed.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the embodiments.It should be understood that real
Apply example be only to the present invention explain and and it is non-limiting.
Embodiment 1
A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof is present embodiments provided, is made of by weight following components:
5 parts of copper-bath, 1 part of calcium sulphate soln, 3 parts of Adlerika, 0.2 part of borax soln, 17 parts of phosphoric acid diamines, urea 11
Part, 8 parts of potassium sulfate, 6 parts of selenium-rich extracting solution, remaining is pure water.
The following steps are included:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln are poured into glassware and mixed,
100 DEG C -135 DEG C are warmed to using heating water bath method, sufficiently stirs evenly, is slowly added to borax soln, it is cold after lasting 10-20min
Room temperature processed, it is spare to obtain base fluid；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate is added and phosphoric acid diamines is straight
Until its dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is along being slightly below funnel edge, excess portion sub-cut
Fall, adds pure water that filter paper is made to be close to hopper walls, the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is fallen
Enter funnel, the sediment in composite nutrient-fluid is filtered；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on
It is stored at a temperature of 3-10 DEG C.
In the present embodiment, selenium-rich extracting solution the preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain selenium-rich
Miberal powder；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, adds water
It is uniformly mixed and is tuned into paste, be squeezed into shot-like particle and dry；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, sintering time two
Hour, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid passes through cation exchange column,
Obtain selenium-rich aqueous solution.
In the present embodiment, the concentration of copper-bath chooses 0.16mol/L.
In the present embodiment, calcium sulphate soln concentration chooses 0.18mol/L.
In the present embodiment, Adlerika concentration chooses 2.5mol/L.
In the present embodiment, borax soln concentration chooses 0.3mol/L.
Embodiment 2
A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof is present embodiments provided, is made of by weight following components:
10 parts of copper-bath, 2 parts of calcium sulphate soln, 5 parts of Adlerika, 0.5 part of borax soln, 13 parts of phosphoric acid diamines, urea 11
Part, 5 parts of potassium sulfate, 6 parts of selenium-rich extracting solution, remaining is pure water.
The following steps are included:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln are poured into glassware and mixed,
100 DEG C -135 DEG C are warmed to using heating water bath method, sufficiently stirs evenly, is slowly added to borax soln, it is cold after lasting 10-20min
Room temperature processed, it is spare to obtain base fluid；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate is added and phosphoric acid diamines is straight
Until its dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is along being slightly below funnel edge, excess portion sub-cut
Fall, adds pure water that filter paper is made to be close to hopper walls, the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is fallen
Enter funnel, the sediment in composite nutrient-fluid is filtered；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on
It is stored at a temperature of 3-10 DEG C.
In the present embodiment, selenium-rich extracting solution the preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain selenium-rich
Miberal powder；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, adds water
It is uniformly mixed and is tuned into paste, be squeezed into shot-like particle and dry；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, sintering time two
Hour, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid passes through cation exchange column,
Obtain selenium-rich aqueous solution.
In the present embodiment, the concentration of copper-bath chooses 0.16mol/L.
In the present embodiment, calcium sulphate soln concentration chooses 0.18mol/L.
In the present embodiment, Adlerika concentration chooses 2.5mol/L.
In the present embodiment, borax soln concentration chooses 0.3mol/L.
Embodiment 3
A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof is present embodiments provided, is made of by weight following components:
8 parts of copper-bath, 2 parts of calcium sulphate soln, 4 parts of Adlerika, 0.3 part of borax soln, 7 parts of phosphoric acid diamines, 11 parts of urea,
8 parts of potassium sulfate, 3 parts of selenium-rich extracting solution, remaining is pure water.
The following steps are included:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln are poured into glassware and mixed,
100 DEG C -135 DEG C are warmed to using heating water bath method, sufficiently stirs evenly, is slowly added to borax soln, it is cold after lasting 10-20min
Room temperature processed, it is spare to obtain base fluid；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate is added and phosphoric acid diamines is straight
Until its dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is along being slightly below funnel edge, excess portion sub-cut
Fall, adds pure water that filter paper is made to be close to hopper walls, the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is fallen
Enter funnel, the sediment in composite nutrient-fluid is filtered；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on
It is stored at a temperature of 3-10 DEG C.
In the present embodiment, selenium-rich extracting solution the preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain selenium-rich
Miberal powder；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, adds water
It is uniformly mixed and is tuned into paste, be squeezed into shot-like particle and dry；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, sintering time two
Hour, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid passes through cation exchange column,
Obtain selenium-rich aqueous solution.
In the present embodiment, the concentration of copper-bath chooses 0.16mol/L.
In the present embodiment, calcium sulphate soln concentration chooses 0.18mol/L.
In the present embodiment, Adlerika concentration chooses 2.5mol/L.
In the present embodiment, borax soln concentration chooses 0.3mol/L.
Embodiment 4
A kind of dedicated selenium-rich fertilizer of peach and preparation method thereof is present embodiments provided, is made of by weight following components:
10 parts of copper-bath, 2 parts of calcium sulphate soln, 5 parts of Adlerika, 0.5 part of borax soln, 15 parts of phosphoric acid diamines, urea 10
Part, 7 parts of potassium sulfate, 5 parts of selenium-rich extracting solution, remaining is pure water.
The following steps are included:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln are poured into glassware and mixed,
100 DEG C -135 DEG C are warmed to using heating water bath method, sufficiently stirs evenly, is slowly added to borax soln, it is cold after lasting 10-20min
Room temperature processed, it is spare to obtain base fluid；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate is added and phosphoric acid diamines is straight
Until its dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is along being slightly below funnel edge, excess portion sub-cut
Fall, adds pure water that filter paper is made to be close to hopper walls, the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is fallen
Enter funnel, the sediment in composite nutrient-fluid is filtered；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on
It is stored at a temperature of 3-10 DEG C.
In the present embodiment, selenium-rich extracting solution the preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain selenium-rich
Miberal powder；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, adds water
It is uniformly mixed and is tuned into paste, be squeezed into shot-like particle and dry；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, sintering time two
Hour, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid passes through cation exchange column,
Obtain selenium-rich aqueous solution.
In the present embodiment, the concentration of copper-bath chooses 0.16mol/L.
In the present embodiment, calcium sulphate soln concentration chooses 0.18mol/L.
In the present embodiment, Adlerika concentration chooses 2.5mol/L.
In the present embodiment, borax soln concentration chooses 0.3mol/L.
Comparative example 1
It is prepared according to the method for embodiment 1, unlike, 10 parts of copper-bath, 2 parts of calcium sulphate soln, sulfuric acid
5 parts of magnesium solution, 0.5 part of borax soln, 13 parts of phosphoric acid diamines, 11 parts of urea, 5 parts of potassium sulfate, remaining is pure water.
Comparative example 2
It is prepared according to the method for embodiment 1, unlike, 10 parts of copper-bath, 2 parts of calcium sulphate soln, sulfuric acid
5 parts of magnesium solution, 13 parts of phosphoric acid diamines, 11 parts of urea, 5 parts of potassium sulfate, 6 parts of selenium-rich extracting solution, remaining is pure water.
Comparative example 3
It is prepared according to the method for embodiment 1, unlike, 10 parts of copper-bath, 5 parts of Adlerika, borax
0.5 part of solution, 13 parts of phosphoric acid diamines, 11 parts of urea, 5 parts of potassium sulfate, 6 parts of selenium-rich extracting solution, remaining is pure water.
| Selenium element increment rate % | Yield enhancing rate % | |
| Embodiment 1 | 5.75 | 10.56 |
| Embodiment 2 | 5.39 | 11.55 |
| Embodiment 3 | 4.98 | 8.32 |
| Embodiment 4 | 5.05 | 10.65 |
| Comparative example 1 | 0.39 | 7.25 |
| Comparative example 2 | 3.58 | 1.87 |
| Comparative example 3 | 4.15 | 2.56 |
It can be seen that foliar fertilizer produced within the scope of the present invention to the nutrient and yield of product by upper table data
It is obviously improved, and foliar fertilizer produced outside the scope of the present invention is little to nutrient and the yield promotion of product, at this
It is more significant to nutrient and yield promotion of the foliar fertilizer to product to invent facial mask obtained in preferred range.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
1. a kind of dedicated selenium-rich fertilizer of peach, it is characterised in that: be made of by weight following components: 5-10 parts of copper-bath,
1-2 parts of calcium sulphate soln, 3-5 parts of Adlerika, 0.2-0.5 parts of borax soln, 13-17 parts of phosphoric acid diamines, urea 10-11
Part, 5-8 parts of potassium sulfate, 3-6 parts of selenium-rich extracting solution, remaining is pure water.
2. the preparation method of the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the following steps are included:
Step 1: copper-bath, calcium sulphate soln, Adlerika and borax soln being poured into glassware and mixed, is used
Heating water bath method is warmed to 100 DEG C -135 DEG C, sufficiently stirs evenly, and is slowly added to borax soln, continues cooling system after 10-20min
It is spare to obtain base fluid for room temperature；
Step 2: base fluid being mixed with urea, water-bath heating controls within 80 DEG C, and potassium sulfate and phosphoric acid diamines is added up to it
Until dissolution, dissolved solution is cooled to room temperature, stands for 24 hours, obtains composite nutrient-fluid；
Step 3: qualitative filter paper being rolled over funnel-shaped, be put into funnel, filter paper is cut, added along funnel edge, redundance is slightly below
Pure water makes filter paper be close to hopper walls, and the composite nutrient-fluid in step 3 is drained with glass bar, composite nutrient-fluid is poured into leakage
Bucket filters the sediment in composite nutrient-fluid；
Step 4: selenium-rich extracting solution being added in filtered composite nutrient-fluid, is mixed, in medical infusion bottle, is placed on 3-10
It is stored at a temperature of DEG C.
3. the preparation method of the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the selenium-rich extracting solution
The preparation method is as follows:
Step 1: providing selenium-rich ore (bone coal), and the selenium-rich ore is crushed in mineral smashing machine, obtain Rich selenium ore powders；
Step 2: sodium bicarbonate being provided, and the Rich selenium ore powders and the sodium bicarbonate are pressed to 5: 1 quality proportioning, water is added to mix
It uniformly is tuned into paste, shot-like particle is squeezed into and dries；
Step 3: the shot-like particle being placed in sintering furnace, the sintering furnace is maintained at 450-600 DEG C, and sintering time is two small
When, obtain sintering feed；
Step 4: it is added water in sintering feed, stirring and leaching 2 hours；
Step 5: it is spare to be centrifuged or filter to take the first supernatant (or first filtered fluid), is added in remaining residue
0.1molK2HPO4+KH2PO4 solution after stirring and leaching 2 hours, is centrifuged or filters to take the second supernatant (or second filtered fluid)
It is spare, and spare first supernatant and the second supernatant are mixed；
Step 6: by all supernatants (or filtered fluid) by vermiculite filter element filtering, filtered fluid is obtained by cation exchange column
Selenium-rich aqueous solution.
4. the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the concentration of the copper-bath is chosen
0.16mol/L。
5. the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the calcium sulphate soln concentration is chosen
0.18mol/L。
6. the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the Adlerika concentration is chosen
2.5mol/L。
7. the dedicated selenium-rich fertilizer of peach according to claim 1, it is characterised in that: the borax soln concentration is chosen
0.3mol/L。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333209A (en) * | 2019-07-11 | 2019-10-15 | 恩施土家族苗族自治州农业科学院(恩施土家族苗族自治州硒应用技术与产品开发研究院) | A kind of detection method of soil available Se |
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