Foliar fertilizer with ultrahigh adhesive force and preparation method thereof

A foliar fertilizer and adhesion technology, applied in nitrogen fertilizers, liquid fertilizers, ammonium salt fertilizers, etc., can solve problems such as poor fertilizer efficiency and environmental pollution, improve utilization, avoid environmental pollution, and have good biocompatibility Effect

Active Publication Date: 2020-07-28
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on the technical problems existing in the background technology, the present invention proposes a foliar fertilizer with super high adhesion and a preparation method thereof. The foliar fertilizer contains SiO which can adsorb cationic plant nutrients 2 ball material, the SiO 2 The spherical material can form adsorption on cationic plant nutrients to achieve loading, and SiO 2 The rough structure on the surface of the ball material can efficiently attach to the micro hairs on the leaves of the crops, which provides a practical path for better retention of foliar fertilizers on the leaves of crops and improving the utilization rate of foliar fertilizers. Solve the problems of poor fertilizer efficiency and environmental pollution caused by traditional foliar fertilizers due to low leaf attachment efficiency

Method used

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  • Foliar fertilizer with ultrahigh adhesive force and preparation method thereof
  • Foliar fertilizer with ultrahigh adhesive force and preparation method thereof
  • Foliar fertilizer with ultrahigh adhesive force and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A foliar fertilizer with super high adhesion, the foliar fertilizer is made of rambutan-like SiO 2 Hollow mesoporous spheres and ammonium chloride are ultrasonically dispersed in water at a mass ratio of 3:10, rambutan-like SiO 2 The concentration of the hollow mesoporous sphere is 1.5g / L, and the concentration of ammonium chloride is 5.0g / L, wherein, the rambutan-like SiO 2 Hollow mesoporous spheres are prepared by the following method:

[0031] 0.13g of SiO with a particle size of 500nm 2Ultrasonic dispersion of the balls in 20ml of deionized water to obtain an emulsion, and 0.17g of copper nitrate trihydrate dissolved in 30ml of water and then quickly adding 5ml of ammonia water (aqueous solution containing 25-28% ammonia) to form a mixed solution; the emulsion and the mixed solution After fully stirring until evenly mixed, transfer it to a polytetrafluoroethylene reactor, place it in a high-temperature furnace and heat it at 140°C for 24 hours, then use deionized ...

Embodiment 2

[0034] A foliar fertilizer with super high adhesion, the foliar fertilizer is made of rambutan-like SiO 2 Hollow mesoporous spheres and ammonium chloride are ultrasonically dispersed in aqueous solution according to the mass ratio of 3:10, rambutan-like SiO 2 The concentration of the hollow mesoporous sphere is 1.5g / L, and the concentration of ammonium chloride is 5.0g / L, wherein, the rambutan-like SiO 2 Hollow mesoporous spheres are prepared by the following method:

[0035] 0.13g of SiO with a particle size of 500nm 2 Ultrasonic dispersion of the balls in 20ml of deionized water to obtain an emulsion, and 0.17g of copper nitrate trihydrate dissolved in 30ml of water and then quickly adding 5ml of ammonia water (aqueous solution containing 25-28% ammonia) to form a mixed solution; the emulsion and the mixed solution After fully stirring until evenly mixed, transfer it to a polytetrafluoroethylene reactor, place it in a high-temperature furnace and heat it at 140°C for 24 ho...

Embodiment 3

[0039] A foliar fertilizer with super high adhesion, the foliar fertilizer is made of rambutan-like SiO 2 Hollow mesoporous spheres, ammonium sulfate and potassium dihydrogen phosphate are ultrasonically dispersed in aqueous solution according to the mass ratio of 1:0.5:0.5, rambutan-like SiO 2 The concentration of hollow mesoporous spheres is 2.0g / L, the concentration of ammonium sulfate is 1.0g / L, and the concentration of potassium dihydrogen phosphate is 1.0g / L, wherein, the rambutan-like SiO 2 Hollow mesoporous spheres are prepared by the following method:

[0040] 0.13g of SiO with a particle size of about 400nm 2 The ball is ultrasonically dispersed in 20ml deionized water to obtain an emulsion, and 0.07g cupric chloride is dissolved in 20ml water, and then 5ml ammonia water (aqueous solution containing 25-28% ammonia) is quickly added to form a mixed solution; the emulsion and the mixed solution are fully After stirring until evenly mixed, transfer it to a polytetrafl...

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Abstract

The invention discloses a foliar fertilizer with ultrahigh adhesive force. The foliar fertilizer comprises cationic plant nutrient elements and also comprises a SiO2 sphere material for adsorbing thecationic plant nutrient elements. The invention provides the foliar fertilizer with ultrahigh adhesive force and a preparation method thereof. The foliar fertilizer contains the SiO2 sphere material capable of adsorbing the cationic plant nutrient elements; the SiO2 sphere material can adsorb cationic plant nutrient elements so as to realize loading; a rough structure on the surface of the SiO2 sphere material can be efficiently attached to micro-fuzz on leaves of crops; and therefore, a feasible path is provided for better realizing efficient retention of the foliar fertilizer on the leaves of crops and increasing the utilization rate of the foliar fertilizer, and the problems of poor fertilizer efficiency and environmental pollution caused by low foliar adhesion efficiency of traditionalfoliar fertilizers are solved.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a foliage fertilizer with super high adhesion and a preparation method thereof. Background technique [0002] Foliar fertilizer can improve crop yield, nutrient concentration, and plant reproductive efficiency. With the development of engineering technology and material science, the application of foliar fertilizer in the field of agricultural chemical engineering has broad market prospects. However, after the foliar fertilizer is sprayed on the crop foliage, due to the inherent lotus leaf effect of the crop foliage itself, most of the foliar fertilizer will be lost during the spraying process and will slide off the leaf surface after the rain washes off. This part of the lost foliar fertilizer will be discharged into other environmental media such as soil and rivers, causing serious environmental pollution, waste of human resources and energy. Therefore be badly in need of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G5/23C01B33/18
CPCC05C3/00C05G3/00C01B33/18C01P2004/30C01P2004/03C01P2004/04
Inventor 汪国忠李文超范若愚周宏建刘文文
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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