About SAKURAI TAMITO
About 農研機構 中央農業研究セ
About SEKIYA HIROYUKI
About 農研機構 中央農業研究セ
About 土づくりとエコ農業
About damaged grain
About rice
About Pentatomidae
About silicic acid
About insect pest control
About Insecta
About animal vector
About cultivation management
About pecky rice
About rice stink bug complex causing the pecky rice
About pest insect control
About pest insect
About cultural practice
About soil management
About Control of plant diseases and insect damages in general
About Rice cropping
About 土壌
About ケイ酸
About 斑点米
About 被害