1. Farming Systems Ecology Group, Plant Sciences, Wageningen University & Research, Wageningen, Netherlands
2. Laboratory of Geo-Information Science and Remote Sensing, Environmental Sciences, Wageningen University & Research, Wageningen, Netherlands
3. International Maize and Wheat Improvement Centre (CIMMYT), South Asia Regional Office, Kathmandu, Nepal
4. Natural Resources, Environment and Eco-Regions, National Institute of Agricultural Research (INTA), Cordoba, Argentina