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Forest mineral soils have the potential to accumulate large amounts of carbon (C). Numerous factors, which have often been insufficiently studied, affect soil organic C (SOC) stocks. Detailed knowledge of variation in SOC storage is important to assess the C accumulation potential of forest soils. To examine the impacts of forest continuity, soil depth and tree species on SOC stocks, 15 ancient (>230years...
Organic carbon in subsoils amounts to 40–60% of the global soil carbon pool and is generally characterized by apparent turnover times of hundreds to thousands of years and an increasing spatial variability with depth. The objective of this study was to analyze the amounts and distribution of SOC and to elucidate the turnover and storage mechanisms throughout deep soil profiles of a sandy Dystric Cambisol...
Grassland soils have been highlighted as a global soil carbon (C) sink, and have the potential to sequester additional C. Sequestration of C can occur through incorporation of soil organic carbon (SOC) within microaggregates and the silt and clay fractions. The distribution of SOC within macroaggregate fractions gives an insight into both SOC dynamics and its incorporation into the soil. Research...
Agricultural productivity depends on the use of phosphorus (P) of which not only the topsoil, but also the subsoil, can hold immense stocks. To assess their importance for plant nutrition, we compared the P status of Stagnic Cambisol profiles in experimental plots that received different P fertilizer applications for 16years. Sequential fractionation was combined with P K-edge X-ray absorption near...
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