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About HATANAKA NORIKO
About 宮城県古川農試
About HATAYA MIDORI
About 宮城県古川農試
About SASAHARA MASASHI
About 宮城県古川農試
About 北日本病害虫研究会報
About paddy rice
About Gibberella fujikuroi
About Plant diseases caused by fungi
About Rice cropping
About イネ
About ばか苗病
About 圃場
About 周辺
About 種子
About 保菌率