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Selenium-rich foliar fertilizer as well as preparation method and application thereof

A technology of foliar fertilizer and selenium-enriched protein, which is applied in the field of selenium-rich foliar fertilizer and its preparation, can solve the problems of low selenium content, failure to meet the standard, and poor planting effect of foliar fertilizer, so as to improve aroma, The effect of improving stability and improving the ability of anti-oxidation

Pending Publication Date: 2021-09-03
广东益之硒农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional selenium-enriched foliar fertilizer has poor planting effect, resulting in low selenium content in crops, which cannot meet the standard

Method used

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  • Selenium-rich foliar fertilizer as well as preparation method and application thereof
  • Selenium-rich foliar fertilizer as well as preparation method and application thereof
  • Selenium-rich foliar fertilizer as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The invention relates to a selenium-enriched foliage fertilizer, which comprises the following raw materials: carboxylated hexagonal boron nitride, zinc acetate, β-cyclodextrin, 2-acetyl-1-pyrroline and selenium-enriched protein.

[0028] The preparation method of the above-mentioned selenium-enriched foliar fertilizer comprises the following steps:

[0029] 1) Add 10kg carboxylated hexagonal boron nitride to 100L deionized water, then add 1kg zinc acetate, then stir at 200rpm at 30°C for 2h, centrifuge at 9000g for 20 minutes, collect the precipitate and freeze Dry to obtain carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride;

[0030] 2) Add 10kg of carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride to 50L of dichloromethane, and ultrasonically disperse at 20KHz for 20 minutes to obtain a mixed solution; add 10kg of β-cyclodextrin to 50L of dichloromethane (about 8.82mol), then add about 8.82mol of dicyclohexylcarbodiimi...

Embodiment 2

[0034] The invention relates to a selenium-enriched foliage fertilizer, which comprises the following raw materials: carboxylated hexagonal boron nitride, zinc sulfate, alpha-cyclodextrin, 2-acetyl-1-pyrroline and selenium-enriched protein.

[0035] The preparation method of the above-mentioned selenium-enriched foliar fertilizer comprises the following steps:

[0036] 1) Add 10kg carboxylated hexagonal boron nitride to 100L deionized water, then add 2kg zinc sulfate, then stir at 300rpm at 60°C for 3h, centrifuge at 9000g for 25 minutes, collect the precipitate and freeze Dry to obtain carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride;

[0037] 2) Add 10kg of carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride to 25L of dichloromethane, and ultrasonically disperse at 50KHz for 10 minutes to obtain a mixed solution; add 10kg of α-cyclodextrin to 25L of dichloromethane (about 8.82 mol), then add about 8.82 mol of dicyclohexylcarb...

Embodiment 3

[0041] The invention relates to a selenium-enriched foliage fertilizer, which comprises the following raw materials: carboxylated hexagonal boron nitride, zinc chloride, gamma-cyclodextrin, 2-acetyl-1-pyrroline and selenium-enriched protein.

[0042] The preparation method of the above-mentioned selenium-enriched foliar fertilizer comprises the following steps:

[0043] 1) Add 10kg carboxylated hexagonal boron nitride to 100L deionized water, then add 1.5kg zinc chloride, then stir at 40°C at a stirring rate of 100rpm for 4h, then centrifuge at a centrifugal force of 9000g for 15 minutes to collect the precipitate Carrying out freeze-drying to obtain carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride;

[0044] 2) Add 5kg of carboxyl-containing zinc ion pillared carboxylated hexagonal boron nitride to 25L of dichloromethane, and ultrasonically disperse at 20KHz for 20 minutes to obtain a mixed solution; add 10kg of γ-cyclodextrin to 25L of dichloromethane ...

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Abstract

The invention relates to the technical field of fertilizers, and discloses a selenium-rich foliar fertilizer and a preparation method and application thereof, and the foliar fertilizer comprises the following raw materials: carboxylated hexagonal boron nitride, zinc salt, cyclodextrin, 2-acetyl-1-pyrroline and selenium-rich protein. The foliar fertilizer contains nitrogen, zinc, 2-acetyl-1-pyrroline, selenium and other nutrient elements, and after the foliar fertilizer is absorbed and utilized by rice, the fragrance, the yield and the selenium content of the rice can be improved. The foliar fertilizer can reduce the damage of strong acid and strong alkali to selenium-rich protein, improve the antioxidant capacity of the selenium-rich protein and improve the stability of the selenium-rich protein.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a selenium-rich foliar fertilizer and its preparation method and application. Background technique [0002] Selenium is one of the essential trace elements for the human body. It has the ability to resist oxidation and delay aging. However, the supplement of selenium element does not naturally exist in food. The current selenium-enriched products are fertilized. During the growth process of crops The use of selenium-rich foliar fertilizer is an important way to grow selenium-rich grain and oil crops, vegetables, fruits, tea, etc. However, the planting effect of traditional selenium-rich foliar fertilizers is not good, resulting in low selenium content in crops, which cannot meet the standard. Contents of the invention [0003] The purpose of the present invention is to provide a selenium-enriched foliage fertilizer to solve one or more technical problems in the prior art, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G5/20
CPCC05C11/00C05G3/00C05G5/20C05F11/00
Inventor 曾纪斌周海燕刘志彭茜彭源
Owner 广东益之硒农业科技有限公司
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