Sam Leuthold

Contrasting properties of soil organic matter fractions isolated by different physical separation methodologies

Shifts in controls and abundance of particulate and mineral-associated organic matter fractions among subfield yield stability zones

Divergent impacts of crop diversity on caloric and economic yield stability

Physical fractionation techniques

Isotopic signals in an agricultural watershed suggest denitrification is locally intensive in riparian areas but extensive in upland soils

Weather-dependent relationships between topographic variables and yield of maize and soybean

Topographic effects on soil microclimate and surface cover crop residue decomposition in rolling cropland

Cover crops decrease maize yield variability in sloping landscapes through increased water during reproductive stages