Measuring carbon stock in peat soils - Balai Penelitian Tanah

Contents Figures v Table vii Glossary ix Foreword xiii 1. Background 1 1.1. Difference between <strong>peat</strong> and m<strong>in</strong>eral <strong>soils</strong> 2 1.2. Carbon emissions from Indonesian <strong>peat</strong>lands 4 2. Carbon-<strong>stock</strong>-related <strong>peat</strong> properties 9 2.1. Bulk density 9 2.2. Soil <strong>carbon</strong> content 10 2.3. Peat maturity 11 3. Carbon <strong>stock</strong> determ<strong>in</strong>ation of <strong>peat</strong> soil 15 3.1. Determ<strong>in</strong>ation of sampl<strong>in</strong>g po<strong>in</strong>ts 15 3.2. Peat soil sampl<strong>in</strong>g 19 3.2.1. The k<strong>in</strong>ds of <strong>peat</strong> samples 19 3.2.2. Peat sampl<strong>in</strong>g us<strong>in</strong>g <strong>peat</strong> auger 20 3.2.3. Procedure for <strong>peat</strong> sampl<strong>in</strong>g 22 3.2.4. Undisturbed soil sampl<strong>in</strong>g us<strong>in</strong>g soil core 26 3.2.5. Soil sampl<strong>in</strong>g us<strong>in</strong>g hollow box of galvanized iron sheet 27 3.3. Measurement of bulk density and organic matter content 29 3.3.1. Bulk density 29 3.3.2. Soil organic <strong>carbon</strong> content 31 4. Estimation of greenhouse gas emissions 43 5. Discussion 51 References 55 Appendix. Record sheet for <strong>peat</strong> observation 59 iii