Relating particulate organic matter-nitrogen (POM-N) and non-POM-N with pulse crop residues, residue management and cereal N uptake Graeme D. Schwenke, Warwick L. Felton, David F. Herridge, Dil F. Khan and Mark B. Peoples Agronomie, 22 7-8 (2002) 777-787 DOI: 10.1051/agro:2002056