Navarrete IA and K Tsutsuki. 2008. Land-use impact on soil carbon, nitrogen, neutral sugar composition and related properties in a degraded Ultisol in Leyte, Philippines. Soil Science and Plant Nutrition 54: 321-331.
Victor B. Asio is a professor of soil science & geo-ecology at Visayas State University (VSU), Philippines. A recipient of the world renowned & highly competitive Humboldt Research Fellowship, he has published papers in international journals & has co-authored the Guidelines for Soil Description (2006, 4th ed) published by FAO of the United Nations in English, Spanish, Chinese, Russian & Turkish. He studied at VSU, Univ Philippines Los Banos, Justus Liebig University Giessen, & University of Hohenheim, Stuttgart. He did postdoctoral studies at the Univ Halle-Wittenberg & the National Taiwan University. He was a Research Fellow at the International Rice Research Institute (IRRI) & Secretary of Soil Geography Commission, International Union of Soil Sciences (IUSS). He is an elected member of Sigma Xi Research Society (USA).