METHOD FOR PREVENTING COLOR FADING OF LAVER AND PREVENTING AGENT FOR COLOR FADING

摘要

PROBLEM TO BE SOLVED: To provide a method for preventing color fading of laver with which at least either one of death of planktons in seawater and suppression of proliferation thereof can be realized and intake of nitrogen with the laver can be promoted to consequently solve problems of the color fading of the laver and a preventing agent for the color fading used therefor.;SOLUTION: The preventing agent 3 for the color fading comprising a substance containing a hydroxide and realizing at least either one of the death of the planktons in the seawater and the suppression of the proliferation thereof is scattered into the seawater where a laver net 1 is stretched.;COPYRIGHT: (C)2003,JPO