水田転換茶園における暗きょ排水効果
The Effect of the Under-drain in the Tea Field Converted from the Paddy Field

Keiichiro USHIJIMA, Nobuyuki TANAKA, Katsumasa YOSHIDA, Sumiaki FUKAGAWA
1979 Chagyo Kenkyu Hokoku (Tea Research Journal)  
doi:10.5979/cha.1979.50_19 fatcat:2tmpcyazqnczpm662ery434aeu