, Department of Soil Science, Faculty of Agriculture, Andalas University Limau Manis, Padang 25163. Indonesia., Indonesia

• JOURNAL OF TROPICAL SOILS Vol. 15 No. 3: September 2010 - Articles
  The Properties of Humic Acids Extracted from Four Sources of Organic Matters and Their Ability to Bind Fe2+ at New Established Rice Field
  Abstract  PDF