@ARTICLE {HULUGALLE:1990b,
title = {Effect of rock bunds and tied ridges on soil water content and soil properties in the Sudan savannah of Burkina Faso},
author = {Hulugalle, N. and De Koning, J. and Matlon, P. J. },
journal = {Tropical Agriculture},
year = {1990},
volume = {67},
number = {2},
pages = {149--153},
}