作者 | Halldorsson, Gudmundur (Soil Conservation Service of Iceland) / Sigurdsson, Bjarni D. (Agricultural University of Iceland) / Finér, Leena (Natural Resources Institute Finland) / Gudmundsson, Jon (Agricultural University of Iceland) / Kätterer, Thomas (Swedish University of Agricultural Sciences) / Singh, Bal Ram (Norwegian University of Life Sciences) / Vesterdal, Lars (University of Copenhagen) / Arnalds, Andres (University of Copenhagen) |