About HARA Y
About Hokuriku National Agricultural Experiment Station, Joetsu, JPN
About TORIYAMA K
About Hokuriku National Agricultural Experiment Station, Joetsu, JPN
About Soil Science and Plant Nutrition
About paddy rice
About Rice cropping
About 湛水
About 土壌
About 水稲
About 苗立ち
About 土壌溶液
About アンモニア態窒素
About 種子
About 窒素