Institution: | 1.Agroscope, Forage Production and Grassland Systems, Reckenholzstrasse 191, 8046, Zürich, Switzerland ;2.Institute of Agricultural Sciences, ETH Zürich, Universit?tstrasse 2, 8092, Zürich, Switzerland ;4.Louis Bolk Institute, Hoofdstraat 24, 3972 LA, Driebergen, The Netherlands ; |