CN115784790A - Zinc-selenium nutrient solution for plants and preparation method and application thereof - Google Patents
Zinc-selenium nutrient solution for plants and preparation method and application thereof Download PDFInfo
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- CN115784790A CN115784790A CN202211545163.9A CN202211545163A CN115784790A CN 115784790 A CN115784790 A CN 115784790A CN 202211545163 A CN202211545163 A CN 202211545163A CN 115784790 A CN115784790 A CN 115784790A
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- 235000015097 nutrients Nutrition 0.000 title claims abstract description 65
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 38
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 36
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011591 potassium Substances 0.000 claims abstract description 35
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 35
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004021 humic acid Substances 0.000 claims abstract description 22
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 22
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 22
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 18
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims abstract description 18
- 229940010552 ammonium molybdate Drugs 0.000 claims abstract description 18
- 235000018660 ammonium molybdate Nutrition 0.000 claims abstract description 18
- 239000011609 ammonium molybdate Substances 0.000 claims abstract description 18
- 239000004202 carbamide Substances 0.000 claims abstract description 18
- 229910000365 copper sulfate Inorganic materials 0.000 claims abstract description 18
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 18
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 18
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 18
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 18
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 18
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 18
- 229940099596 manganese sulfate Drugs 0.000 claims abstract description 18
- 235000007079 manganese sulphate Nutrition 0.000 claims abstract description 18
- 239000011702 manganese sulphate Substances 0.000 claims abstract description 18
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims abstract description 18
- 235000019796 monopotassium phosphate Nutrition 0.000 claims abstract description 18
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims abstract description 18
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims abstract description 18
- 229960001471 sodium selenite Drugs 0.000 claims abstract description 18
- 235000015921 sodium selenite Nutrition 0.000 claims abstract description 18
- 239000011781 sodium selenite Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 25
- 229960000355 copper sulfate Drugs 0.000 claims description 17
- 229960001781 ferrous sulfate Drugs 0.000 claims description 8
- 229960003390 magnesium sulfate Drugs 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract description 18
- 239000011669 selenium Substances 0.000 abstract description 18
- 229910052711 selenium Inorganic materials 0.000 abstract description 18
- 229940091258 selenium supplement Drugs 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
- 235000016709 nutrition Nutrition 0.000 abstract description 5
- 230000035764 nutrition Effects 0.000 abstract description 5
- 239000005648 plant growth regulator Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 10
- 239000011573 trace mineral Substances 0.000 description 10
- 235000013619 trace mineral Nutrition 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 235000015424 sodium Nutrition 0.000 description 6
- 229940083542 sodium Drugs 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008635 plant growth Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000008139 complexing agent Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010039921 Selenium deficiency Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
-
- 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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention belongs to the technical field of plant growth regulators, and discloses a zinc-selenium nutrient solution for plants, and a preparation method and application thereof. The zinc-selenium nutrient solution for plants provided by the invention comprises the following components in percentage by weight: 67-68% of potassium humate, 17-18% of urea, 7-8% of monopotassium phosphate, 0.1-0.2% of nano silicon, 1.0-1.5% of zinc sulfate, 0.7-0.8% of magnesium sulfate, 1.2-1.5% of ferrous sulfate, 1.0-1.2% of copper sulfate, 0.6-0.7% of manganese sulfate, 0.08-0.09% of ammonium molybdate, 1.6-1.7% of sodium selenite, 0.1-0.12% of humic acid and the balance of water; the particle size of the nano silicon is 8-10nm. The zinc-selenium nutrient solution disclosed by the invention is low in price, easy to accept by farmers, comprehensive in nutrition, reasonable in formula, high in utilization rate, good in selenium-rich effect and obvious in crop yield increase.
Description
The application is a divisional application with the application date of 2021, 06, 17.4 and the application number of 202110674554.X, and the invention name of zinc-selenium nutrient solution for plants and a preparation method thereof.
Technical Field
The invention belongs to the technical field of plant growth regulators, and particularly relates to a zinc-selenium nutrient solution for plants, and a preparation method and application thereof.
Background
Selenium is a trace element necessary for human bodies, is very important for improving immunity and preventing diseases, and cannot be synthesized by the human bodies. Selenium deficiency can cause the reduction of human immunity and induce various diseases such as cancer, cardiovascular diseases, diabetes and the like, so the selenium needs to be supplemented every day to meet the requirement of the human body on selenium. Edible agricultural products are the main way for people to supplement selenium, but the following troubles exist in the current agricultural planting: the soil is deficient in elements, and 72% of the soil in China is deficient in selenium elements, so that the selenium element content in the planted crops is low. The prior patent No. ZL96107830.8, named as selenium-rich yield increasing element, discloses a selenium-rich plant yield increasing element which can not only promote the growth and development of crops and high yield and quality, but also improve the selenium content of seeds, thereby providing a shortcut for supplementing selenium for human and livestock; but the trace nutrient elements in the disclosed components are simple in type, and the soil can provide less nutrient components and nutrient elements, so that the requirements of plants cannot be met; and the disclosed components contain a large amount of sodium humate, and when the selenium-rich yield-increasing agent is applied to alkaline soil, the alkalinity of the soil can be improved by sodium ions in the sodium humate, and the normal growth of plants is not facilitated, so that the selenium-rich yield-increasing agent is not suitable for the alkaline soil.
Disclosure of Invention
In view of the above, the invention aims to provide the zinc-selenium nutrient solution for the plants as well as the preparation method and the application thereof.
The technical scheme of the invention discloses a zinc-selenium nutrient solution for plants, which comprises the following components in percentage by weight: 67-68% of potassium humate, 17-18% of urea, 7-8% of monopotassium phosphate, 0.1-0.2% of nano silicon, 1.0-1.5% of zinc sulfate, 0.7-0.8% of magnesium sulfate, 1.2-1.5% of ferrous sulfate, 1.0-1.2% of copper sulfate, 0.6-0.7% of manganese sulfate, 0.08-0.09% of ammonium molybdate, 1.6-1.7% of sodium selenite, 0.1-0.12% of humic acid and the balance of water.
Further, the particle size of the nano silicon is 8-10nm.
On the other hand, the technical scheme of the invention discloses a method for preparing zinc-selenium nutrient solution for plants, which comprises the following steps:
(1) Preparing potassium humate, urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate, sodium selenite and humic acid according to a proportion;
(2) Adding the potassium humate obtained in the step (1) into water at normal temperature, and stirring at a constant speed for 15-20min to fully dissolve the potassium humate in the water to obtain a solution A;
(3) Adding the urea, the monopotassium phosphate, the nano-silicon, the zinc sulfate, the magnesium sulfate, the ferrous sulfate, the copper sulfate, the manganese sulfate, the ammonium molybdate and the sodium selenite in the step (1) into the solution A in the step (2), stirring at a constant speed while adding, and continuously stirring for 15-20min to obtain a solution B;
(4) And (3) adding the humic acid in the step (1) into the solution B in the step (3), adding while stirring at a constant speed, and continuously stirring for 25-30min to obtain the nutrient solution.
The invention has the advantages that:
1. the nutrient solution adopts potassium humate, improves the potassium content, is beneficial to improving the stress resistance of crops, increasing the yield, improving the quality, avoiding sodium humate from improving the alkalinity of soil, and ensuring the normal growth of plants.
2. The nutrient solution increases the humic acid content of the complexing agent, so that trace elements such as copper, iron, zinc and manganese in the nutrient solution are in a chelated state, the trace elements are favorably absorbed by crops, and the crop yield is improved.
3. The nutrient solution increases the content of zinc sulfate, further improves the content of zinc in agricultural products, and is beneficial to the development of children intelligence.
4. The nutrient solution of the invention is added with nano-silicon, the granularity of the nano-silicon is only 8-10nm, and the nano-silicon has extremely large specific surface area, thereby having extremely strong dispersibility, adsorbability and release effect, and being capable of obviously improving the utilization ratio of nitrogen, phosphorus, potassium fertilizers and trace element fertilizers with positive charges.
5. The preparation method of the zinc-selenium nutrient solution disclosed by the invention is simple and low in cost, the zinc-selenium nutrient solution disclosed by the invention is low in price and easy to accept by farmers, and meanwhile, the zinc-selenium nutrient solution is comprehensive in nutrition, reasonable in formula, high in utilization rate, good in selenium enrichment effect and obvious in crop yield increase.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A zinc-selenium nutrient solution for plants comprises the following components in percentage by weight:
67.64% of potassium humate, 17.23% of urea, 7.66% of monopotassium phosphate, 0.2% of nano-silicon, 1.39% of zinc sulfate, 0.73% of magnesium sulfate, 1.39% of ferrous sulfate, 1.2% of copper sulfate, 0.7% of manganese sulfate, 0.09% of ammonium molybdate, 1.67% of sodium selenite, 0.1% of humic acid and the balance of water; wherein the particle size of the nano silicon is 10nm.
The potassium humate improves the potassium content of the zinc-selenium nutrient solution, is beneficial to improving the stress resistance of crops, increasing the yield, improving the quality, avoiding the sodium humate from improving the alkalinity of soil, and ensuring the normal growth of plants.
The content of humic acid as a complexing agent is increased in the zinc-selenium nutrient solution, so that trace elements such as copper, iron, zinc and manganese in the zinc-selenium nutrient solution are in a chelated state when the zinc-selenium nutrient solution is used, absorption by crops is facilitated, and the yield of the crops is improved.
The zinc-selenium nutrient solution provided by the invention increases the content of zinc sulfate, so that the content of zinc in agricultural products is increased, and the development of children intelligence is facilitated.
The zinc-selenium nutrient solution of the invention also adds nano-silicon, the granularity of the nano-silicon is only 8-10nm, and the nano-silicon has extremely large specific surface area, so the zinc-selenium nutrient solution has extremely strong dispersibility, adsorbability and release effect, and can obviously improve the utilization rate of nitrogen, phosphorus, potassium fertilizers and trace element fertilizers with positive charges.
Example 2
A zinc-selenium nutrient solution for plants comprises the following components in percentage by weight:
67% of potassium humate, 17% of urea, 7% of monopotassium phosphate, 0.1% of nano-silicon, 1.0% of zinc sulfate, 0.7% of magnesium sulfate, 1.2% of ferrous sulfate, 1.0% of copper sulfate, 0.6% of manganese sulfate, 0.08% of ammonium molybdate, 1.6% of sodium selenite, 0.12% of humic acid and the balance of water; wherein the particle size of the nano silicon is 8nm.
The potassium humate improves the potassium content of the zinc-selenium nutrient solution, is beneficial to improving the stress resistance of crops, increasing the yield, improving the quality, avoiding the sodium humate from improving the alkalinity of soil, and ensuring the normal growth of plants.
The content of humic acid as a complexing agent is increased in the zinc-selenium nutrient solution, so that trace elements such as copper, iron, zinc and manganese in the zinc-selenium nutrient solution are in a chelated state when the zinc-selenium nutrient solution is used, absorption by crops is facilitated, and the yield of the crops is increased.
The zinc-selenium nutrient solution provided by the invention increases the content of zinc sulfate, so that the content of zinc in agricultural products is increased, and the development of children intelligence is facilitated.
The zinc-selenium nutrient solution of the invention also adds nano-silicon, the granularity of the nano-silicon is only 8-10nm, and the nano-silicon has extremely large specific surface area, so the zinc-selenium nutrient solution has extremely strong dispersibility, adsorbability and release effect, and can obviously improve the utilization rate of nitrogen, phosphorus, potassium fertilizers and trace element fertilizers with positive charges.
Example 3
A zinc selenium nutrient solution for plants comprises the following components by weight percent:
68% of potassium humate, 18% of urea, 8% of monopotassium phosphate, 0.15% of nano-silicon, 1.5% of zinc sulfate, 0.8% of magnesium sulfate, 1.5% of ferrous sulfate, 1.1% of copper sulfate, 0.65% of manganese sulfate, 0.09% of ammonium molybdate, 1.7% of sodium selenite, 0.12% of humic acid and the balance of water; wherein the particle size of the nano silicon is 9nm.
The potassium humate improves the potassium content of the zinc-selenium nutrient solution, is beneficial to improving the stress resistance of crops, increasing the yield, improving the quality, avoiding the sodium humate from improving the alkalinity of soil, and ensuring the normal growth of plants.
The content of humic acid as a complexing agent is increased in the zinc-selenium nutrient solution, so that trace elements such as copper, iron, zinc and manganese in the zinc-selenium nutrient solution are in a chelated state when the zinc-selenium nutrient solution is used, absorption by crops is facilitated, and the yield of the crops is increased.
The zinc-selenium nutrient solution provided by the invention increases the content of zinc sulfate, so that the content of zinc in agricultural products is increased, and the development of children intelligence is facilitated.
The zinc-selenium nutrient solution of the invention also adds nano-silicon, the granularity of the nano-silicon is only 8-10nm, and the nano-silicon has extremely large specific surface area, so the zinc-selenium nutrient solution has extremely strong dispersibility, adsorbability and release effect, and can obviously improve the utilization rate of nitrogen, phosphorus, potassium fertilizers and trace element fertilizers with positive charges.
Example 4
A method of preparing the zinc-selenium nutrient solution for plants of example 1, comprising the steps of:
(1) Preparing potassium humate, urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate, sodium selenite and humic acid according to a proportion;
(2) Adding the potassium humate obtained in the step (1) into water at normal temperature, and stirring at constant speed for 15-20min to fully dissolve the potassium humate in the water to obtain a solution A;
(3) Adding the urea, the monopotassium phosphate, the nano-silicon, the zinc sulfate, the magnesium sulfate, the ferrous sulfate, the copper sulfate, the manganese sulfate, the ammonium molybdate and the sodium selenite in the step (1) into the solution A in the step (2), stirring at a constant speed while adding, and continuously stirring for 15-20min to obtain a solution B;
(4) And (3) adding the humic acid in the step (1) into the solution B in the step (3), adding while stirring at a constant speed, and continuously stirring for 25-30min to obtain the nutrient solution.
The preparation method of the zinc-selenium nutrient solution disclosed by the invention is simple and low in cost, the zinc-selenium nutrient solution disclosed by the invention is low in price and easy to accept by farmers, and meanwhile, the zinc-selenium nutrient solution is comprehensive in nutrition, reasonable in formula, high in utilization rate, good in selenium enrichment effect and obvious in crop yield increase.
Example 5
A method for preparing the zinc-selenium nutrient solution for plants of example 2, which comprises the following steps:
(1) Preparing potassium humate, urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate, sodium selenite and humic acid according to a proportion;
(2) Adding the potassium humate obtained in the step (1) into water at normal temperature, and stirring at a constant speed for 15-20min to fully dissolve the potassium humate in the water to obtain a solution A;
(3) Adding the urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate and sodium selenite in the step (1) into the solution A in the step (2), stirring at a constant speed while adding, and continuously stirring for 15-20min to obtain a solution B;
(4) And (3) adding the humic acid in the step (1) into the solution B in the step (3), adding while stirring at a constant speed, and continuously stirring for 25-30min to obtain the nutrient solution.
The preparation method of the zinc-selenium nutrient solution disclosed by the invention is simple and low in cost, the zinc-selenium nutrient solution disclosed by the invention is low in price and easy to accept by farmers, and meanwhile, the zinc-selenium nutrient solution is comprehensive in nutrition, reasonable in formula, high in utilization rate, good in selenium enrichment effect and obvious in crop yield increase.
Example 6
A method for preparing the zinc-selenium nutrient solution for plants of example 3, which comprises the following steps:
(1) Preparing potassium humate, urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate, sodium selenite and humic acid according to a proportion;
(2) Adding the potassium humate obtained in the step (1) into water at normal temperature, and stirring at constant speed for 15-20min to fully dissolve the potassium humate in the water to obtain a solution A;
(3) Adding the urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate and sodium selenite in the step (1) into the solution A in the step (2), stirring at a constant speed while adding, and continuously stirring for 15-20min to obtain a solution B;
(4) And (3) adding the humic acid in the step (1) into the solution B in the step (3), adding while stirring at a constant speed, and continuously stirring for 25-30min to obtain the nutrient solution.
The zinc-selenium nutrient solution disclosed by the invention is simple in preparation method and low in cost, is low in price and easy to accept by farmers, and is comprehensive in nutrition, reasonable in formula, high in utilization rate, good in selenium-rich effect and obvious in crop yield increase.
Through field tests, in the growth period of crops, the nutrient solution diluted by 90 times and used in the embodiment 1 of the invention is sprayed for 2-3 times, the yield of grain crops is increased by about 15%, the yields of vegetables and fruits are increased by about 25%, the yields of economic crops are increased by about 20%, and the selenium content in agricultural products is increased by 5-10 times.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A zinc-selenium nutrient solution for plants is characterized by comprising the following components in percentage by weight: 67-68% of potassium humate, 17-18% of urea, 7-8% of monopotassium phosphate, 0.1-0.2% of nano silicon, 1.0-1.5% of zinc sulfate, 0.7-0.8% of magnesium sulfate, 1.2-1.5% of ferrous sulfate, 1.0-1.2% of copper sulfate, 0.6-0.7% of manganese sulfate, 0.08-0.09% of ammonium molybdate, 1.6-1.7% of sodium selenite, 0.1-0.12% of humic acid and the balance of water; the particle size of the nano silicon is 8-10nm.
2. The zinc-selenium nutrient solution for plants as claimed in claim 1, which is composed of the following components in percentage by weight: 67.64% of potassium humate, 17.23% of urea, 7.66% of monopotassium phosphate, 0.2% of nano silicon, 1.39% of zinc sulfate, 0.73% of magnesium sulfate, 1.39% of ferrous sulfate, 1.2% of copper sulfate, 0.7% of manganese sulfate, 0.09% of ammonium molybdate, 1.67% of sodium selenite and 0.1% of humic acid; the particle size of the nano silicon is 10nm;
or the composition comprises the following components in percentage by weight: 67% of potassium humate, 17% of urea, 7% of monopotassium phosphate, 0.1% of nano-silicon, 1.0% of zinc sulfate, 0.7% of magnesium sulfate, 1.2% of ferrous sulfate, 1.0% of copper sulfate, 0.6% of manganese sulfate, 0.08% of ammonium molybdate, 1.6% of sodium selenite, 0.12% of humic acid and the balance of water; the particle size of the nano silicon is 8nm.
3. The method for preparing the zinc-selenium nutrient solution for plants as claimed in claim 1 or 2, characterized in that it comprises the following steps:
(1) Preparing potassium humate, urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate, sodium selenite and humic acid according to a proportion;
(2) Adding the potassium humate obtained in the step (1) into water at normal temperature, and stirring at a constant speed for 15-20min to fully dissolve the potassium humate in the water to obtain a solution A;
(3) Adding the urea, monopotassium phosphate, nano-silicon, zinc sulfate, magnesium sulfate, ferrous sulfate, copper sulfate, manganese sulfate, ammonium molybdate and sodium selenite in the step (1) into the solution A in the step (2), stirring at a constant speed while adding, and continuously stirring for 15-20min to obtain a solution B;
(4) And (2) adding humic acid in the step (1) into the solution B in the step (3), adding while stirring at a constant speed, and continuously stirring for 25-30min to obtain the nutrient solution.
4. The use of the zinc-selenium nutrient solution for plants as claimed in claim 1 or 2 or obtained by the preparation method as claimed in claim 3 in crop planting.
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| CN114409454A (en) * | 2022-01-14 | 2022-04-29 | 黑龙江省农业科学院土壤肥料与环境资源研究所 | Multifunctional high-calcium fertilizer and preparation and use methods thereof |
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