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Composite biological agent of crusta oligosaccharide and alga fertilizer, and preparation method

A chitooligosaccharide and biological preparation technology, applied in the directions of botanical equipment and methods, fertilizer mixtures, biocides, etc., can solve the problems of many times of use, high cost, slow onset of effect, etc., to reduce phytotoxicity and improve quality. , the effect of promoting growth and development

Active Publication Date: 2007-12-26
QINGDAO SONTI BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the application process of the two, without adding any phytoregulin, there are problems such as slow onset of action, many times of use, large dosage, and high cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] Example 1: The formulation of the complex biological preparation consists of the following quality components:

[0021] Chitooligosaccharides: 0.5%;

[0022] Seaweed fertilizer: 1.5% (according to the mass percentage of alginic acid);

[0023] NH 4 Ac: 13.3%;

[0024] Compound amino acid: 10%;

[0025] Water: 74.7%.

[0026] Preparation method: prepare NH with pH 7 4 Ac buffer solution, add chitooligosaccharides, seaweed fertilizer and compound amino acid according to the above ratio, stir and dissolve.

example 2

[0027] Example 2: The formula of compound biological preparation is made up of following weight components:

[0028] Chitooligosaccharides: 0.7%;

[0029] Seaweed fertilizer: 1% (according to the mass percentage of alginic acid);

[0030] Trace elements: 1%;

[0031] K 2 HPO 4 : 0.2%;

[0032] K H 2 PO 4 : 0.8%;

[0033] Water: 96.3%.

[0034] Preparation method: Preparation of K with pH 6 2 HPO 4 -KH 2 PO 4 For the buffer solution, add chitooligosaccharides, seaweed fertilizer and trace elements according to the above ratio, stir and dissolve.

example 3

[0035] Example 3: The formula of compound biological preparation is made up of following weight components:

[0036] Chitooligosaccharides: 0.3%;

[0037] Seaweed fertilizer: 2% (according to the mass percentage of alginic acid);

[0038] K 2 HPO 4 ;17%;

[0039] K H 2 PO 4 ;0.5%;

[0040] Water: 80.2%.

[0041] Preparation method: Preparation of K with pH 8 2 HPO 4 -KH 2 PO 4 For the buffer solution, add chitooligosaccharides and seaweed fertilizer according to the above ratio, stir and dissolve.

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PUM

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Abstract

This invention discloses a method for preparing chito-oligosaccharide / seaweed fertilizer composite biological agent. The composite biological agent is composed of: chito-oligosaccharide 0.2-3 wt. %, seaweed fertilizer 0.5-3 wt. % (according to alginic acid weight), buffer solution (pH = 5-8) 1-30 wt. % (according to solute weight), and water as balance. The composite biological agent has improved drug efficiency and fertilizer efficiency, and can prevent and treat plant disease. Besides, the composite biological agent is environmentally friendly.

Description

technical field [0001] The invention relates to a compound preparation of biological pesticide and biological fertilizer and a preparation method thereof. Background technique [0002] Chitooligosaccharides are used as biological pesticides, and seaweed fertilizers are used as new biological fertilizers. They have the characteristics of strong pertinence, low dosage and high value in plant protection and nutrition. They are the first choice for the development of precision agriculture, irrigation agriculture and pollution-free agriculture. Very It is suitable for the needs of the sustainable development of agriculture at present. [0003] Chitooligosaccharide is a substance with high solubility, special biological activity and easy absorption obtained by degrading chitosan; seaweed fertilizer is derived from seaweed extract, which is a natural multi-effect plant fertilizer, rich in protein and amino acid , carbohydrates, inorganic salts, vitamins, plant hormones, polyphenol...

Claims

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Application Information

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IPC IPC(8): C05G1/00A01N33/00
Inventor 颜红
Owner QINGDAO SONTI BIOTECH
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