Heide Spiegel

Soils and sustainable development goals of the United Nations: An International Union of Soil Sciences perspective

Rattan Lal, J. Bouma, Eric C. Brevik et al. · Geoderma Regional · 2021 · 448 citations

Soil Pedology, Engineering, United Nations +6

Long-term monitoring of microbial biomass, N mineralisation and enzyme activities of a Chernozem under different tillage management

Ellen Kandeler, Dagmar Tscherko, Heide Spiegel · Biology and Fertility of Soils · 1999 · 384 citations

Biogeochemistry, Engineering, N Mineralisation +9

FTIR‐spectroscopic characterization of humic acids and humin fractions obtained by advanced NaOH, Na₄P₂O₇, and Na₂CO₃ extraction procedures

Michael Tatzber, Michael Stemmer, Heide Spiegel et al. · Journal of Plant Nutrition and Soil Science · 2007 · 253 citations

Engineering, Soil Organic Matter, Soil Mineralogy +18

Do organic inputs matter – a meta-analysis of additional yield effects for arable crops in Europe

Renske Hijbeek, M.K. van Ittersum, H.F.M. ten Berge et al. · Plant and Soil · 2016 · 230 citations · Full text

Crop Production, Engineering, Applied Economics +10

Effect of crop residue incorporation on soil organic carbon and greenhouse gas emissions in European agricultural soils

T. Lehtinen, N. Elizabeth Schlatter, Andreas Baumgarten et al. · Soil Use and Management · 2014 · 212 citations · Full text

Engineering, European Agricultural Soils, Soil Organic Matter +16