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Bordeaux mixture as nutrient protecting agent

A Bordeaux mixture and protective agent technology, applied in biocides, animal repellents, plant growth regulators, etc., to achieve the effect of saving manpower and material resources, significant environmental and ecological benefits, and less leaching loss

Inactive Publication Date: 2005-07-13
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are also technologies for making Bordeaux mixture preparations at home and abroad, but most of these technologies are related to the bactericidal effect and suspension of Bordeaux mixture

Method used

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  • Bordeaux mixture as nutrient protecting agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Put 500g quicklime into the mixer, add water to form a suspension (1) with a concentration of 130g / L; then slowly add 200g / L copper sulfate solution (CuSO 4 ·5H 2 O 3200g) was added therein, stirred continuously for about 1 hour, and kept the temperature at about 60°C (2); then gradually added 1% ferrous lactate and 1% borax, 0.2% lignin, 2% attapulgite, 1% modified Amylopectin and 0.2% glycerol, the above are commercially available chemical products, after stirring evenly (3,4,5); and then grinding through a colloid mill, requiring a fineness of less than 5 microns (6); the resulting mixture is then subjected to The powder (7, 8) was obtained after drying in a spray drying tower. Among them, Cu%=27.5%, Ca%=12.0%, pH 7.25, stable suspension time in water for about 3 hours.

Embodiment 2

[0018] The processing is as in Example 1, but only differs in the additives added. Such as: adding 1% ferrous lactate and 0.5% EDTA-Fe and 1% borax and 0.5% zinc sulfate, and 2% polymer polysaccharide dispersant, and 0.5% gum arabic and 1% white Carbon black, etc., other processes are the same

[0019] Example 1.

[0020] In the obtained powder: containing Cu%=26.5%; containing Ca%=11.5%; pH=7±0.5; stable suspension time in water for about 3 hours.

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Abstract

Into Bordeaux mixture, effective nutritive components and other nutritive assistant are added to compound wettable powder of nutritive Bordeaux mixture. Suspension, thickener and other components are added to make the Bordeaux mixture dispersed in water fast to form stable suspension. Compared with traditional Bordeaux mixture, the present invention has homogeneous spraying and no blocking of the nozzle, and the atomized drop after drying can attach to leaf for long time to resistance rain flushing. The new type of germicide has less consumption and raised economic and environmental utility.

Description

(1) Technical field: [0001] The invention belongs to plant nutrition and plant protection agent. (two) background technology: [0002] The preparation and application of traditional Bordeaux mixture of plant protection agent has a history of many years. It is an effective and widely applied plant protection agent. The current traditional Bordeaux mixture preparation method mostly uses copper sulfate: quicklime: water at a ratio of 1:2:200-240 times. The traditional preparation method is very inconvenient, especially when the quality of the lime is not high, it is necessary to filter out the impurities and pay attention to the respective ratios, which brings a lot of trouble; the prepared Bordeaux mixture has poor dispersion in water and is easy to form Precipitation, resulting in uneven spraying or clogged nozzles; in addition, it is difficult for users to accurately grasp the proportion when preparing by themselves. The difference in proportion during preparation will ser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/20C05G3/00
Inventor 张民杨越超马丽
Owner SHANDONG AGRICULTURAL UNIVERSITY
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