Liquid fertilizer containing chitosan and urea

A liquid fertilizer, chitosan technology, applied in fertilizer mixture, fertilization device, application and other directions, can solve the problem of no effective development, and achieve the effect of promoting growth rate, maintaining nutritional balance, and reducing foliar diseases and insect pests

Inactive Publication Date: 2013-04-17
QINGDAO JINGLING OCEAN TECH
View PDF6 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of chitosan in the field of organic fertilizers has not been effectively carried out at present. Therefore, it is very important t

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 40g of urea and dissolve it with 1000ml of water, stir well, then add 40g of carboxymethyl chitosan, stir evenly to make water-soluble fertilizer.

Embodiment 2

[0019] Take 60g of urea and dissolve it with 1000ml of water, stir well, then add 30g of carboxymethyl chitosan, stir evenly to make water-soluble fertilizer.

Embodiment 3

[0021] Get 40g of urea and dissolve it with 1000ml of water, after fully stirring, then add 40g of carboxymethyl chitosan, stir evenly to make a water-soluble fertilizer, then add the prepared Bacillus subtilis bacterium liquid, so that the prepared liquid fertilizer contains Bacillus subtilis The concentration of bacillus was 1×10 3 -10 4 cfu / ml.

[0022] Bacillus subtilis can be selected from strains used in agriculture, such as live bacteria powder sold on the market.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a liquid fertilizer which is urea aqueous solution added with chitosan, wherein the concentration of chitosan is 2-4% by massic volume. The chitosan is water-soluble chitosan such as carboxymethyl chitosan. Bacillus subtilis or Chinese herbal medicine extract liquid prepared from tripterygium wilfordii, calamus and lemongrass is selectively added into the liquid fertilizer provided by the invention. The fertilizer provided by the invention can effectively promote the growth rate of crop and keep the nutrient balance of the crop. The component with an insecticidal effect is added into the fertilizer, thereby effectively reducing the pest and disease damage of the leaf surface when being applied to the leaf surface.

Description

technical field [0001] The invention belongs to the technical field of application of marine substances, and in particular relates to a liquid fertilizer containing chitosan and urea. Background technique [0002] my country is a large agricultural country, and the increase of agricultural production and income cannot be separated from the application of chemical fertilizers. However, while the use of chemical fertilizers increases the yield of crops, it also brings disadvantages such as soil compaction and residues in agricultural products. At present, the situation of soil fertilization in our country is more focused on the input of chemical fertilizers, but the utilization rate of chemical fertilizers has not been improved. Due to excessive and blind increase in the use of chemical fertilizers, the utilization rate of chemical fertilizers has a tendency to decline. Although the use of farmyard manure can overcome problems such as soil compaction and chemical residues. H...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C05G3/00C05G3/02C05G3/60
Inventor 李国民
Owner QINGDAO JINGLING OCEAN TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap