@inproceedings{8a4f9a11a1a34a1c92c0c9d14467a1a3,
title = "Characterisation of spatial soil variability on Sahelian coversands: Implications for research and extension",
author = "R.L. Voortman and J. Brouwer",
year = "2004",
language = "English",
pages = "199--219",
editor = "T.O. Williams and S.A. Tarawali and P. Hiernaux and S. Fernandez-Rivera",
booktitle = "Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa",
publisher = "ILRI",
note = "international conference ; Conference date: 19-11-2001 Through 22-11-2001",
}