A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 59/16 (2006.01) C05D 9/02 (2006.01) C05G 3/00 (2006.01)
Patent
CA 2471605
The present invention relates to a liquid composition for promoting plant growth, which contains titanium dioxide nanoparticles. The composition contains, as a main component, an aqueous solution containing titanium dioxide colloids. The titanium dioxide nanoparticles have such a particle size that they can be readily absorbed to plants. A pH of the aqueous solution is adjusted in order to prevent rapid precipitation of the titanium dioxide nanoparticles in the aqueous solution, before the aqueous solution is diluted with water such that titanium dioxide has a desired concentration. Also, the composition contains adjuvants necessary for plant growth and a surfactant for dispersion. The composition allows crop yield to be increased by increasing the photosynthetic efficiency of plants, and permits increasing the bactericidal activity of plants against plant pathogens. Furthermore, the composition permits improving a problem of environmental contamination caused by the excessive use of biochemical fertilizers, and also contributes to an increase in farmer income.
L'invention concerne une composition liquide conçue pour favoriser la croissance végétale, contenant des nanoparticules de dioxyde de titane. Ladite composition contient en tant que composant principal, une solution aqueuse contenant des colloides de dioxyde de titane. Les nanoparticules de dioxyde de titane possèdent une taille leur permettant d'être absorbées facilement par les plantes. Le pH de la solution aqueuse est ajusté afin d'empêcher la précipitation rapide des nanoparticules de dioxyde de titane dans la solution aqueuse, avant que ladite solution soit diluée dans l'eau, si bien que le dioxyde de titane possède la concentration voulue. De plus, la composition contient des adjuvants nécessaires à la croissance végétale et un agent tensioactif pour la dispersion. Ladite composition permet d'augmenter le rendement des cultures par l'augmentation de l'efficacité photosynthétique des plantes, et permet l'augmentation de l'activité bactérienne des plantes contre les agents pathogènes des plantes. De plus, ladite composition permet l'atténuation du problème de pollution de l'environnement dû à l'utilisation excessive d'engrais biochimiques et contribue à l'augmentation des revenus de l'agriculteur.
Choi Hyoung-Song
Choi Kwang-Soo
Lee Sang-Hoon
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Choi Kwang-Soo
LandOfFree
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