publication . Article . Other literature type . 2007

Long-term impact of reduced tillage and residue management on soil carbon stabilization: Implications for conservation agriculture on contrasting soils

Chivenge, P.P.; Murwira, H.K.; Giller, K.E.; Mapfumo, P.; Six, J.;
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  • Published: 01 Jun 2007 Journal: Soil and Tillage Research, volume 94, pages 328-337 (issn: 0167-1987, Copyright policy)
  • Publisher: Elsevier BV
  • Country: United States
Abstract
Residue retention and reduced tillage are both conservation agricultural management options that may enhance soil organic carbon (SOC) stabilization in tropical soils. Therefore, we evaluated the effects of long-term tillage and residue management on SOC dynamics in a Chromic Luvisol (red clay soil) and Areni-Gleyic Luvisol (sandy soil) in Zimbabwe. At the time of sampling the soils had been under conventional tillage (CT), mulch ripping (MR), clean ripping (CR) and tied ridging (TR) for 9 years. Soil was fully dispersed and separated into 212–2000 mm (coarse sand), 53–212 mm (fine sand), 20–53 mm (coarse silt), 5–20 mm (fine silt) and 0–5 mm (clay) size fractio...
Subjects
free text keywords: Conservation agriculture, Soil management, Tropical zones, Conservation tillage, Soil organic matter, Agricultural ecosystems, Residue management, Particulate organic matter (pom), Soil organic carbon, Tropical agroecosystems, Field Scale, Earth-Surface Processes, Agronomy and Crop Science, Soil Science, Agroforestry, Loam, Agronomy, Minimum tillage, Geology, Soil carbon, Ultisol, Soil water, Soil structure, Conventional tillage, Tillage
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publication . Article . Other literature type . 2007

Long-term impact of reduced tillage and residue management on soil carbon stabilization: Implications for conservation agriculture on contrasting soils

Chivenge, P.P.; Murwira, H.K.; Giller, K.E.; Mapfumo, P.; Six, J.;