A gamma-ray spectrometry approach to field separation of illuviation-type WRB reference soil groups in northern Thailand

• Main Authors: Ulrich Schuler, Petra Erbe, Mehdi Zarei, Wanida Rangubpit, Adichat Surinkum, Karl Stahr, Ludger Herrmann
• Format: Journal
• Published: 2018
• Subjects: Agricultural and Biological Sciences
• Online Access: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960947345&origin=inward; http://cmuir.cmu.ac.th/jspui/handle/6653943832/49586
• Institution: Chiang Mai University

According to the World Reference Base for Soil Resources (IUSS Working Group WRB, 2006), the differentiation of Acrisols and Alisols is based on the cation-exchange capacity of clay, which cannot be directly determined in the field, but needs expensive and time-consuming soil-chemical analyses. This...