Mirjam Helfrich

Effect of land use on the composition of soil organic matter in density and aggregate fractions as revealed by solid-state 13C NMR spectroscopy

Mirjam Helfrich, Bernard Ludwig, P. Buurman et al. · Geoderma · 2006 · 252 citations · Full text

Organic Geochemistry, Biogeochemistry, Engineering +6

Organic matter in density fractions of water-stable aggregates in silty soils: Effect of land use

Tamon Yamashita, Heiner Flessa, B. John et al. · Soil Biology and Biochemistry · 2006 · 220 citations

Organic Geochemistry, Biogeochemistry, Soil Property +10

Comparison of chemical fractionation methods for isolating stable soil organic carbon pools

Mirjam Helfrich, H. Flessa, Robert Mikutta et al. · European Journal of Soil Science · 2007 · 186 citations

Organic Geochemistry, Environmental Chemistry, Carbon Sequestration +15

Effects of beech (Fagus sylvatica), ash (Fraxinus excelsior) and lime (Tilia spec.) on soil chemical properties in a mixed deciduous forest

Christina Langenbruch, Mirjam Helfrich, Heinz Flessa · Plant and Soil · 2011 · 154 citations · Full text

Effect of litter quality and soil fungi on macroaggregate dynamics and associated partitioning of litter carbon and nitrogen

Mirjam Helfrich, Bernard Ludwig, Martin Potthoff et al. · Soil Biology and Biochemistry · 2008 · 133 citations

Biogeochemistry, Soil Carbon Cycle, Soil Organic Matter +6