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Converting loss-on-ignition to organic carbon content in arable topsoil: Pitfalls and proposed procedure

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Figure

Table 1 Soil organic carbon (SOC), loss-on-ignition (LOI), clay (< 2 μm) and mineral particles < 20 μm (Fines20) for bulk soils and particle-size fractionsfrom Lerbjerg
Table 2 Parameter estimates, R2 and the Akaike information criterion (AIC) for linear models of the relation between soil organic carbon (SOC) andloss-on-ignition (LOI), clay (< 2 μm) and mineral particles < 20 μm (Fines20) for individual sites
Figure 3 Overestimation(predictedminusmeasured values) of soil organic carbon (SOC)as a function of clay or mineral particles< 20 μm (Fines20) (a, b) when multiplyingloss-on-ignition (LOI) with the conventionalconversion factor 0.58, (c, d) when estimating
Table 3 Parameter estimates, R2 and the Akaike information criterion (AIC) for linear models of the relation between soil organic carbon (SOC) andloss-on-ignition (LOI), clay (< 2 μm) and mineral particles < 20 μm (Fines20)

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