About YOSHIZUMI ICHIRO
About 鳥取県蚕試
About FURUSAWA SHIRO
About 鳥取県蚕試
About FUNABARA MIKIO
About 鳥取県日野地方農林振興局
About 鳥取県蚕業試験場報告
About Mulberry tree
About spray freezing
About Industrial crops in general
About Natural damages(=natural hazards)
About 人工
About 霧
About 桑
About 凍霜害
About 防除試験