@INPROCEEDINGS {WENDT:2004b, title = {Assessing soil sustainability by detecting changes in soil properties due to INRM: laboratory methods}, author = {Wendt, J. and Ndango, R. }, booktitle = {AFNET International Soil Fertility Symposium, 17-24 May, 2004, Yaounde, Cameroon}, year = {2004}, }