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Abstract
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1 ETH Zürich, Agricultural Economic and Policy Group, Zürich, Switzerland (GRID:grid.5801.c) (ISNI:0000 0001 2156 2780)
2 Columbia University, School of International and Public Affairs & the Earth Institute, New York, USA (GRID:grid.21729.3f) (ISNI:0000000419368729)
3 University of Bonn, INRES Horticultural Science, Bonn, Germany (GRID:grid.10388.32) (ISNI:0000 0001 2240 3300)
4 Agroscope, Competence Division for Research Technology and Knowledge Exchange Plants and Plant Products, Zürich, Switzerland (GRID:grid.417771.3) (ISNI:0000 0004 4681 910X)