About WATANABE HIROAKI
About 日本植物調節剤研究協
About paddy field
About paddy rice
About weed
About herbicide
About earthquake disaster
About reactor accident
About Fukushima prefecture
About pesticide resistance
About exotic species
About grass weed
About exotic plant
About herbicide Resistance
About Great East Japan Earthquake
About nuclear power plant accident at The fukushima daiiti plant
About Plant damage caused by weeds
About 水田
About 雑草
About 薬剤
About 作用機構