In 1980, he was given 1500 grains of seeds of original Kameno-o variety from the Agricultural Experimental Station of Niigata Prefecture, and sowed them to cultivate and increase its crops during the following two years.
1980年（昭和55年）に、新潟県農業試験場から1500粒の種子を譲り受け、翌年と翌々年に育成増量した。