About SUZUKI Kanako
About Shinshu Univ., Nagano, JPN
About OKADA Kensuke
About Univ. Tokyo, Tokyo, JPN
About HIGASHIMAKI Takeru
About Japan International Res. Center for Agricultural Sci., Ibaraki, JPN
About Tropical Agriculture and Development
About Republic of Niger
About Western Africa
About Sahara
About chemical fertilizer
About soil organic matter
About Pennisetum glaucum
About productivity
About crop yield
About sandy soil
About dry weight
About shoot
About soil fertility
About field experiment
About soil management
About drought(weather)
About soil acidity
About Sahel Region
About crop productivity
About grain yield
About Fertilizer application and efficiency
About Crop cultivation in general
About ニジェール
About サヘル地域
About 化学肥料
About 投与
About 有機物
About 組み合わせ
About トウジンキビ
About Pennisetum