• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
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    • 专利摘要:
    The present nvent on d scloses a selenium fertilizer and a nutritious fertilizer containing the selenium fertilizer for vegetable soilless cultivation, and belongs to the field of nutritious fertilizers. The selenium fertilizer of the present invention includes a selenium 5 source and S-adenosylmethionine. The nutritious fertilizer for the vegetable soilless cultivation of the present invention includes a major element fertilizer, a trace element fertilizer, and the selenium fertilizer. The present invention promotes plants to produce more methylated active selenium by adding a methyl donor to a nutritious fertilizer for soilless cultivation. The methylated active selenium can be specifically recognized by the 10 human body without causing poisoning, which is safer and healthier. The present invention uses selenium and a methyl donor at the same time, for the purpose of providing a safer form of selenium for the human body, and meanwhile, has a significant enhancement effect on plant growth. The present invention provides alternative solution implementation methods for crop fertilizer efficiency, soilless cultivation, plant factories, etc. 15 20
    公开号:NL2025255A
    申请号:NL2025255
    申请日:2020-04-01
    公开日:2020-05-14
    发明作者:Wen Dan；Yang Ning；Sun Kaining；Wang Ke’An；Wang Xiao；Gao Jianwei
    申请人:Inst Of Vegetables And Flowers Shandong Academy Of Agricultural Sciences；
    IPC主号:
    专利说明:

    SELENIUM FERTILIZER AND NUTRITIOUS FERTILIZER CONTAINING THE
    SELENIUM FOR FERTILIZER VEGETABLE SOILLESS CULTIVATION
    Technical Field [0001] The present invention relates to the field of nutritious fertilizers, and more specifically relates to a selenium fertilizer and a nutritious fertilizer containing the selenium fertilizer for vegetable soilless cultivation. The present invention is suitable to provide cultivation nutrients for soilless cultivation of leafy vegetables in gardens, balconies, producing seedbeds, demonstration gardens, and plant factories.
    Background [0002] Selenium is an element beneficial for plants and can promote the growth of plants. The application of selenium to vegetables can increase the output value of vegetables and help to increase farmers' income. Selenium deficiency in vegetables can cause selenium deficiency physiological diseases, such as selenium deficiency-caused bending in cucumbers, selenium deficiency-caused tip burn in Chinese cabbage, and the like, which seriously affect the quality and storability of agricultural products.
    [0003] Selenium, as a trace element, is an essential element for human beings. Selenium is a component of glutathione peroxidase (GSH-Px). Each mole of GSH-Px contains 4 g of selenium. GSH-Px exerts anti-oxidant effect by catalyzing the redox reaction between reducing glutathione (GSH) and peroxides, and is an important free radical scavenger (SOSOO times that of vitamin E). Research has shown that after selenium supplementation, the activity of GSH-Px increases rapidly, and the antioxidant function is significantly enhanced, indicating that the selenium supplementation is of great significance to human health. Due to the anti-oxidant effect of selenium, proper supplementation of selenium can delay aging, enhance immunity, resist diseases such as diabetes, cataract, atherosclerosis, Keshan disease, and Kashin-Beck disease, and prevent cancer. Besides, selenium can be combined with various heavy metals such as tin, lead, mercury, tin, arsenic, and copper in the body to form a metal-selenium protein complex to detoxify and detoxify. Talcing mercury as an example, selenium and mercury can form selenium-mercury protein complexes bound to high-molecular-weight proteins through changes in form in an organism, and eventually mineralize into mercury selenide that is not metabolized by the organism for detoxify. Therefore, selenium plays a very important role in the human body. However, about one billion people worldwide are deficient in selenium, which causes low immunity, thyroid disorders, reproductive disorders, cancer and even death.
    [0004] Increasing the selenium content in vegetables through selenium fertilizers can promote the growth of vegetables, which is conducive to improving the quality and yield of vegetables, and meanwhile, is also one way of bioaugmentation by human beings. Most practices at home and abroad are to increase the selenium content in vegetables by leaching or spraying sodium sulfite. However, a person's daily selenium intake is 40-400 pg is safe, and excessive selenium intake will be incorporated into proteins, thus causing health problems such as oxidative stress, protein dysfunction, and the like.
    [0005] Research has shown that since methionine-tRNA cannot distinguish between methionine and L-selenomethionine, when the intake of methionine is restricted, a large proportion of L-selenomethionine replacing methionine is non-specifrcally incorporated into proteins in animals. Compared with other forms of selenium, if L-selenomethionine is used as the main source of selenium in animal food, it will lead to a large accumulation of selenium in tissues and be prone to cause selenium poisoning. Therefore, methylated selenoproteins have higher edible safety than unmethylated selenoproteins.
    [0006] Methylated selenoproteins have a relatively high edible safety, so it is of great significance to develop a selenium fertilizer that is suitable for plant absorption and harmless to human body.
    Summary [0007] To make up for the shortcomings of the prior art, the present invention provides a nutritious fertilizer for vegetable soilless cultivation.
    [0008] The technical solutions of the present invention are as follows: a selenium fertilizer includes a selenium source and S-adenosylmethionine.
    [0009] As a preferred solution, the selenium source is at least one selected from the group consisting of sodium selenite, selenomethionine, and selenocysteine.
    [0010] As a preferred solution, the selenium source is selenomethionine.
    [0011] As a preferred solution, the selenium fertilizer is a liquid fertilizer, a concentration of the selenium source in the selenium fertilizer is 0.01-0.1 pmol/L, and a concentration of S-adenosylmethionine is 0.01-0.1 pmol/L.
    [0012] The nutritious fertilizer containing the selenium fertilizer for the vegetable soilless cultivation includes a major element fertilizer, a trace element fertilizer, and the selenium fertilizer.
    [0013] As a preferred solution, the major element fertilizer includes component A and component B; component A includes calcium nitrate tetrahydrate and potassium nitrate; component B includes magnesium sulfate heptahydrate and ammonium dihydrogen phosphate.
    [0014] Further, the major element fertilizer is a liquid fertilizer; in component A a concentration of calcium nitrate tetrahydrate is 0.90-0.96 g/L and a concentration of potassium nitrate is 0.55-0.65 g/L; in component B, a concentration of magnesium sulfate heptahydrate is 0.45-0.53 g/L and a concentration of ammonium dihydrogen phosphate is 0.10-0.15 g/L.
    [0015] As a preferred solution, the trace element fertilizer includes ethylenediaminetetraacetic acid ferric sodium salt, boric acid, manganese sulfate tetrahydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate, and ammonium molybdate tetrahydrate.
    [0016] Further, in the trace element fertilizer, a concentration of ethylenediaminetetraacetic acid ferric sodium salt is 0.025-0.035 g/L, a concentration of boric acid is 0.002-0.003 g/L, a concentration of manganese sulfate tetrahydrate is 0.0015-0.0025 g/L, a concentration of zinc sulfate heptahydrate is 0.0002-0.0003 g/L, a concentration of copper sulfate pentahydrate is 0.00007-0.00008 g/L, and a concentration of ammonium molybdate tetrahydrate is 0.00002-0.00003 g/L.
    [0017] As a preferred solution, component A in the major element fertilizer, component B in the major element fertilizer, the trace element fertilizer, and the selenium fertilizer are separately packaged.
    [0018] The advantages of the present invention are as follows:
    1. The present invention promotes plants to produce more methylated active selenium by adding a methyl donor to a nutritious fertilizer for soilless cultivation. The methylated active selenium can be specifically recognized by the human body without causing poisoning, which is safer and healthier.
    [0019] 2. The present invention uses selenium and a methyl donor at the same time, for the purpose of providing a safer form of selenium for the human body, and meanwhile, has a significant enhancement effect on plant growth. The present invention provides alternative solution implementation methods for crop fertilizer efficiency, soilless cultivation, plant factories, etc.
    Brief Description of the Drawings [0020] To more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings that are used in the embodiments or the description of the prior art is briefly introduced below Obviously, the drawings in the following description are just some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.
    [0021] FIG. 1 is a diagram showing an effect of a selenium fertilizer of the present invention on plant growth phenotype;
    FIG. 2 is a diagram showing an effect of a selenium fertilizer of the present invention on plant height;
    FIG. 3 is a diagram showing an effect of a selenium fertilizer of the present invention on plant stem thickness; and
    FIG. 4 is a diagram showing an effect of a selenium fertilizer of the present invention on plant leaf area.
    Detailed Description of the Embodiments [0022] Embodiment 1
    A nutritious fertilizer applicable for vegetable soilless cultivation in the present invention has nutrient solutions in the following distribution ratio (unit: g/L):
    A:Calcium nitrate tetrahydrate0.945 Potassium nitrate0.6066B:Magnesium sulfate heptahydrate0.4929 Dihydrogen phosphate0.115C:Ethylenediaminetetraacetic acid ferric sodium salt0.029364 Boric acid0.002862 Manganese sulfate tetrahydrate0.002119 Zinc sulfate heptahydrate0.00023 Copper sulfate pentahydrate0.000075 Ammonium molybdate tetrahydrate0.0000247D:Sodium selenite0.00000173 S-adenosylmethionine0.0000039944
    During the soilless cultivation, the four nutrient solutions are used in combination, solution A and solution B cannot be mixed in advance to avoid causing precipitation.
    During supplementing trace elements alone, solution C may be selected to spray. During supplementing selenium, selenium may be applied alone or solution D may be sprayed.
    [0023] Embodiment 2
    A nutritious fertilizer applicable for vegetable soilless cultivation in the present invention has nutrient solutions in the following distribution ratio (unit: g/L):
    A:Calcium nitrate tetrahydrate0.945 Potassium nitrate0.6066B:Magnesium sulfate heptahydrate0.4929 Dihydrogen phosphate0.115C:Ethylenediaminetetraacetic acid ferric sodium salt0.029364 Boric acid0.002862 Manganese sulfate tetrahydrate0.002119 Zinc sulfate heptahydrate0.00023 Copper sulfate pentahydrate0.000075 Ammonium molybdate tetrahydrate0.0000247D:Selenomethionine0.00000196 S-adenosylmethionine0.0000039944
    During the soilless cultivation, the four nutrient solutions are used in combination, solution A and solution B cannot be mixed in advance to avoid causing precipitation.
    During supplementing trace elements alone, solution C may be selected to spray. During supplementing selenium, selenium may be applied alone or solution D may be sprayed. The selenium source in solution D is an organic source, which is more effective than an inorganic source selenium.
    [0024] Embodiment 3
    A nutritious fertilizer applicable for vegetable soilless cultivation in the present invention has nutrient solutions in the following distribution ratio (unit: g/L):
    A: Calcium nitrate tetrahydrate0.945Potassium nitrate0.6066B: Magnesium sulfate heptahydrate0.4929Dihydrogen phosphate0.115
    C: Ethylenediaminetetraacetic acid ferric sodium salt0.029364Boric acid0.002862Manganese sulfate tetrahydrate0.002119Zinc sulfate heptahydrate0.00023Copper sulfate pentahydrate0.000075Ammonium molybdate tetrahydrate0.0000247D: Selenocysteine0.0000169S-adenosylmethionine0.0000039944
    During the soilless cultivation, the four nutrient solutions are used in combination, solution A and solution B cannot be mixed in advance to avoid causing precipitation. During supplementing trace elements alone, solution C may be selected to spray. During supplementing selenium, selenium may be applied alone or solution D may be sprayed.
    The selenium source in solution D is an organic source, which is more effective than an inorganic source selenium.
    [0025] In actual production, solution A and solution B need to be prepared into 10 or 100 times mother solutions, and solution C and solution D need to be prepared into 1000 or 10,000 times mother solutions. The solution A mother solution, solution B mother solution, 10 solution C mother solution, and solution D mother solution are bagged respectively. During use, the solution A mother solution, solution B mother solution, solution C mother solution, and solution D mother solution are diluted with water and mixed uniformly for subsequent use.
    [0026] After experiments, the most preferred selenium source is selenomethionine.
    [0027] Application Comparative Example
    Soilless cultivation of cucumber seedlings was performed using control nutrient solutions and the nutrient solutions of embodiment 2 of the present invention. [0028] The control nutrient solutions have the following distribution ratio (unit: g/L):
    A: Calcium nitrate tetrahydrate 0.945
    Potassium nitrate 0.6066
    B: Magnesium sulfate heptahydrate0.4929Dihydrogen phosphate0.115C: Ethylenediaminetetraacetic acid ferric sodium salt0.029364Boric acid0.002862Manganese sulfate tetrahydrate0.002119Zinc sulfate heptahydrate0.00023Copper sulfate pentahydrate0.000075Ammonium molybdate tetrahydrate0.0000247
    That is, compared with embodiment 2, the selenium fertilizer of the present invention is not included.
    [0029] As shown in FIG. 1, the left figure shows the growth of cucumber seedlings applied with solution A, solution B, and solution C; the right figure shows the growth of cucumber 5 seedlings applied with solution A, solution B, solution C, and solution D. It can be seen from FIG. 1 that after adding selenomethionine and S-adenosylmethionine, the plant growth was significantly enhanced.
    [0030] As shown in FIG. 2, FIG. 3 and FIG. 4, CK is a treatment for applying a control nutrient solution, and T1 is a treatment for applying the nutrient solutions of embodiment 10 2. As can be seen from FIG. 2, FIG. 3 and FIG. 4, the application of the selenium fertilizer (solution D) of the present invention can significantly increase the plant height, stem thickness and leaf area of cucumber seedlings, and enhance plant growth.
    权利要求:
    Claims (10)
    [1]
    CONCLUSIONS
    A selenium fertilizer, comprising: a selenium source and S-adenosylmethionine.
    [2]
    The selenium fertilizer according to claim 1, wherein the selenium source is at least one selected from the group consisting of sodium selenite, selenomethionine and selenocysteine.
    [3]
    The selenium fertilizer according to claim 1 or 2, wherein the selenium source is selenomethionine.
    [4]
    The nutritious fertilizer for soil-free vegetable growing according to claim 1 or 2, wherein the selenium fertilizer is a liquid fertilizer, a concentration of the selenium source in the selenium fertilizer is 0.01-0.1 pmol / L and a concentration of S-adenosylmethionine 0.01 -0.1 pmol / L.
    [5]
    A nutritious fertilizer containing the selenium fertilizer according to claim 1 for soilless vegetable cultivation, comprising: a main element fertilizer, a trace element fertilizer and the selenium fertilizer.
    [6]
    A nutritious fertilizer for the soilless vegetable production according to claim 5, wherein the main element fertilizer comprises component A and component B; component A includes calcium nitrate tetrahydrate and potassium nitrate; component B includes magnesium sulfate heptahydrate and ammonium dihydrogen phosphate.
    [7]
    A nutritious fertilizer for the soilless vegetable cultivation according to claim 6, wherein the main element fertilizer is a liquid fertilizer; in component A, a concentration of calcium nitrate tetrahydrate is 0.90-0.96 g / L and a concentration of potassium nitrate 0.55-0.65 g / L; in component B, a concentration of magnesium sulfate heptahydrate is 0.45-0.53 g / L and a concentration of ammonium dihydrogen phosphate 0.10-0.15 g / L.
    [8]
    The nutritious fertilizer for soilless vegetable growing according to claim 5, wherein the trace element fertilizer comprises ferric ethylene diamine tetraacetic acid sodium salt, boric acid, manganese sulfate tetrahydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate and ammonium molybdate tetrahydrate.
    [9]
    Nutritious fertilizer for the soilless vegetable cultivation according to claim 8, wherein in the trace element fertilizer a concentration of ferric ethylenediamine tetraacetic acid is sodium salt 0.025-0.035 g / L, a concentration of boric acid is 0.002-0.003 g / L, a concentration of manganese sulfate tetrahydrate 0.0015 Is -0.0025 g / L, a concentration of zinc sulfate heptahydrate
    5 is 0.0002-0.0003 g / L, a concentration of copper sulfate pentahydrate is 0.00007-0.00008 g / L and a concentration of ammonium molybdate tetrahydrate is 0.00002-0.00003 g / L.
    [10]
    Nutritious fertilizer for the soilless vegetable cultivation according to claim 6, wherein component A in the main element fertilizer, component B in the main element fertilizer,
    10 trace element fertilizer and the selenium fertilizer are packed separately.
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    法律状态:
    优先权:
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