1. Departamento de Suelos y Recursos Naturales, Facultad de Agronomía, Universidad de Concepción, P.O. Box 537, Chillán, Chile
2. Soil Science and Plant Nutrition, School of Earth and Environment, The University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Australia
3. Center of Plant‐Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, P.O. Box 54‐D, Temuco, Chile