C. E. Clapp

Soil organic carbon and nitrogen in a Minnesota soil as related to tillage, residue and nitrogen management

M. S. Dolan, C. E. Clapp, R. R. Allmaras et al. · Soil and Tillage Research · 2005 · 393 citations

Biogeochemistry, Engineering, Soil Carbon Cycle +7

Mechanisms of plant growth stimulation by humic substances: The role of organo-iron complexes

Y. Chen, C. E. Clapp, Hagit Magen · Soil Science & Plant Nutrition · 2004 · 299 citations

NCSOIL, A Model of Nitrogen and Carbon Transformations in Soil: Description, Calibration, and Behavior

J. A. E. Molina, C. E. Clapp, M. J. Shaffer et al. · Soil Science Society of America Journal · 1983 · 297 citations

Organic Geochemistry, Carbon Sequestration, Biogeochemistry +15

Effects of Increasing Amounts of Organic Residues on Continuous Corn: II. Organic Carbon, Nitrogen, Phosphorus, and Sulfur¹

W. E. Larson, C. E. Clapp, W. H. Pierre et al. · Agronomy Journal · 1972 · 287 citations

Engineering, Soil Organic Matter, Agricultural Economics +16

Soil organic carbon and 13C abundance as related to tillage, crop residue, and nitrogen fertilization under continuous corn management in Minnesota

C. E. Clapp, R. R. Allmaras, M.F. Layese et al. · Soil and Tillage Research · 2000 · 283 citations

Biogeochemistry, Engineering, Soil Carbon Cycle +7