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Preparation method of sea weed rare earth cerium fertilizer

A rare earth cerium and seaweed technology, applied in organic fertilizers and other directions, can solve problems such as low cytotoxicity, and achieve the effects of increasing protein content, increasing the ratio of vitamins to sugar and acid, and increasing amino acid content

Inactive Publication Date: 2005-03-23
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low doses of rare earth complexes can promote the formation of antibodies and enhance their immune function, showing that they have strong antiviral activity and low cytotoxicity. to report

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] Soak 100 kg of dry kelp in 500 kg of water, degrade it with 8 kg of sulfuric acid, adjust the pH to 7-10 with potassium hydroxide, add 2 kg of cerium nitrate dropwise to the obtained seaweed degradation solution, adjust the pH to neutral, and keep it at room temperature After stirring under low pressure, let it stand for 0.5-60 hours to obtain the seaweed rare earth cerium fertilizer of the present invention.

[0007] The seaweed rare earth cerium fertilizer of the present invention contains 10-30% of organic matter (weight percentage, the same below), 0.2-20% of fucoidan and oligosaccharide, 0.001-20% of fucoidan cerium and oligosaccharide cerium, and 0.1% of mannitol. -10%.

[0008] The acid degradation in the present invention can be changed to enzymatic degradation, and described acid is hydrochloric acid, sulfuric acid or phosphoric acid; Described enzyme is alginate lyase, and the ratio of the weight of seaweed and acid or enzyme weight is 10: 0.1-10, The cerium ...

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Abstract

A seaweed-Ce fertilizer for promoting the absorption of plant to N, imcreasnig the contne tof protein in seeds and the content of amino acid in plant, improving the immunity of plant and degradating the residual chemical in the plant is prepared through immersing seaweed in water, breaking, degradating by acid or enzyme, regulating pH=7-10, filtering, and adding Ce salt.

Description

technical field [0001] The invention relates to a preparation method of seaweed rare earth cerium fertilizer. Background technique [0002] Rare earth elements generally refer to lanthanide elements (17 species) in the chemical periodic table. Agricultural rare earth elements mainly include four light rare earth elements, lanthanum, cerium, praseodymium, and rubidium. They can promote plant seed germination, improve light and organ morphology, and improve Root growth ability and immunity, increase plant yield, but also resist the damage of weather radiation cooling, rare earth heteropoly complexes have excellent antiviral activity, because heteropoly complexes have a special structure. Low doses of rare earth complexes can promote the formation of antibodies and enhance their immune function, showing that they have strong antiviral activity and low cytotoxicity. reports. Contents of the invention [0003] The purpose of this invention is to provide a kind of preparation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/02
Inventor 单俊伟许加超
Owner OCEAN UNIV OF CHINA