%0 Journal Article %T Root distribution in a Norway spruce (Picea abies (L.) Karst.) stand subjected to drought and ammonium-sulphate application %A Persson, Hans %A Fircks, Yuehua %A Majdi, Hooshang %A Nilsson, Lars %J Plant and Soil %V 169 %N 1 %P 161-165 %@ 0032-079X %D 2004-04-19 %I Kluwer Academic Publishers %~ DeepDyve