About HIRAIWA KAKU
About HAYASHI MOTOKI
About HAMADA YUKIHIRO
About KOIDE TOSHINORI
About 愛知県農業総合試験場研究報告
About Aichi prefecture
About rotation from paddy to other crop
About paddy field
About organism
About Ipomoea nil
About Ipomoea
About population occurrence
About Ipomoea hederacea
About Ipomoea lacunosa
About Ipomoea hederacea
About ホシアサガオ
About Ipomoea lacunosa
About マルバアメリカアサガオ
About マルバルコウ
About naturalized plant
About paddy field
About Plant damage caused by weeds
About 愛知
About 田畑輪換
About 水田ほ場
About アサガオ
About 状況