Gruhn, P.Goletti, F.Yudelman, M.2016-04-192016-04-192000Food, Agriculture, and the Environment Discussion Paper 320-89629-638-5277_Gruhn_Integrated_NM_SF_SA.pdfhttp://hdl.handle.net/10919/65343application/pdfen-USCopyright 2000 International Food Policy Research Institute. All rights reserved. Sections of this report may be reproduced without express permission but with acknowledgement to the Food Policy Research InstituteSoil organic matterSoil managementNutrient recyclingSoil nutrientsSoil fertilitySub-Saharan AfricaField ScaleReport