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Changes in soil organic carbon and aggregate stability after conversion to conservation tillage for seven years in the Huang-Huai-Hai Plain of China
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2015
Year
EngineeringLand UseSoil Organic MatterSoil ManagementSoil Organic CarbonSoil MineralogySoil StabilityEarth ScienceSocial SciencesCm Soil LayerOrganic GeochemistryEnvironmental ChemistrySilt+clay FractionSoil PollutionTillage ToolCarbon SequestrationBiogeochemistrySedimentologyConservation TillageClay MineralSoil Carbon CycleSoil ChemistryEnvironmental RemediationAggregate StabilitySoil Oc Concentrations
microaggregates>silt+clay fraction. In the 0–5 cm soil layer, concentrations of macroaggregateassociated OC in 2TS, 4TS and NTS were 14, 56 and 83% higher than for T, whereas T had the greatest concentration of OC associated with the silt+clay fraction in the 10–20 cm layer. Soil OC concentrations under 4TS and NTS were significantly higher(P