About KARASAWA Toshihiko
About NARO Agricultural Res. Center, Ibaraki, JPN
About TAKEBE Masako
About NARO Agricultural Res. Center, Ibaraki, JPN
About SATO Fumio
About NARO Inst. Vegetable and Tea Sci., Ibaraki, JPN
About KOMADA Michio
About NARO Agricultural Res. Center, Ibaraki, JPN
About NAGAOKA Kazunari
About NARO Agricultural Res. Center, Ibaraki, JPN
About TAKENAKA Makoto
About NARO Agricultural Res. Center, Ibaraki, JPN
About URASHIMA Yasufumi
About NARO Agricultural Res. Center, Ibaraki, JPN
About NISHIMURA Seiichi
About NARO Agricultural Res. Center, Ibaraki, JPN
About TAKAHASHI Shigeru
About NARO Agricultural Res. Center, Ibaraki, JPN
About KATO Naoto
About NARO Agricultural Res. Center, Ibaraki, JPN
About Soil Science and Plant Nutrition
About organic farming
About crop yield
About soil nitrogen
About field experiment
About fish meal
About chemical fertilizer
About Lactuca sativa
About Daucus carota
About soil enzyme
About enzyme activity
About soil conditioner
About excreta
About Discriminant Analysis
About dehydrogenase
About beta-Glucosidase
About beta-Galactosidase
About alpha-glucosidase
About Cellulase
About proteinase
About Ibaraki prefecture
About nutrient absorption
About Andosol
About aquatic product
About Asteraceae
About andosol
About Vegetables
About Soil organisms
About アンド土
About 有機農法
About レタス
About ニンジン
About 収量
About 土壌酵素活性
About 動向