Kaneka Corporation

Taku Mouri

Naoaki Taoka

Toyoaki Watanabe

Ken Uekita

Yu Fu

Tadashi Moroshima

Koichi Kinoshita

A fertilizer composition for application to leaves of a plant includes oxidized glutathione and one or more fertilizer components. A method for cultivating a plant includes applying oxidized glutathione and one or more fertilizer components to leaves of the plant. A fertilizer kit for application to leaves of a plant includes oxidized glutathione and a composition comprising one or more fertilizer components, wherein the glutathione and the composition in the fertilizer kit are separate from each other.

Fertilizer composition containing oxidized glutathione and fertilizer element for foliar application

A controlled-release fertilizer includes oxidized glutathione and a release control agent, and a method produces the controlled-release fertilizer.

Controlled-release fertilizer comprising oxidized glutathione

A solid oxidized glutathione salt is produced by heating an oxidized glutathione at 30&#xb0; C. or higher while the oxidized glutathione is brought into contact with an aqueous medium in the presence of a substance for providing a cation, to produce the salt of the oxidized glutathione and the cation as a solid, wherein the aqueous medium is composed of water and/or a water-soluble medium, and the cation is at least one selected from an ammonium cation, a calcium cation and a magnesium cation.

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Hyogo, Japan

Taku Mouri