[ 发表于: Pollution ]
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Crown condition of Norway spruce in relation to sulphur and nitrogen deposition and soil properties in southeast Norway
1997
Solberg, S. | Toerseth, K. (Norwegian Forest Research Institute, Hoegskoleveien 12, N-1432 As (Norway))
Department for Environment, Food and Rural Affairs - United Kingdom
Stemflow chemistry of urban street trees
1997
Takagi, M. | Sasaki, S. | Gyokusen, K. | Saito, A. (Department of Silviculture, Faculty of Agriculture, Kyushu University, Fukuoka 812 (Japan))
Department for Environment, Food and Rural Affairs - United Kingdom