About IWATA Yukiyoshi
About NARO National Inst. Rural Engineering, Tsukuba, JPN
About IWATA Yukiyoshi
About NARO Hokkaido Agricultural Res. Center, Memuro, JPN
About HIROTA Tomoyoshi
About NARO Hokkaido Agricultural Res. Center, Sapporo, JPN
About YAZAKI Tomotsugu
About NARO Hokkaido Agricultural Res. Center, Sapporo, JPN
About IWASAKI Akeo
About Hokkaido Res. Organization, Memuro, JPN
About SUZUKI Takeshi
About Hokkaido Res. Organization, Memuro, JPN
About INOUE Satoshi
About NARO Hokkaido Agricultural Res. Center, Sapporo, JPN
About USUKI Kazuei
About NARO Hokkaido Agricultural Res. Center, Memuro, JPN
About Soil Science and Plant Nutrition
About potato
About survival ratio
About hydraulic conductivity
About tuber
About field experiment
About indoor test
About Hokkaido
About drainage(water)
About soil
About water permeability
About saturated soil
About surface soil
About soil temperature
About air temperature
About snowmelt
About rainfall
About Influence on plants
About Tubers(=corms)
About 自生
About ジャガイモ
About Solanum
About 塊茎
About 生存
About 飽和透水係数