@ARTICLE {SANGINGA:1996d,
title = {Phosphorus requirement and nodulation of herbaceous and shrub legumes in low P soils of a Guinean Savanna in Nigeria},
author = {Sanginga, N. and Okogun, J. and Akobundu, I. and Kang, B. },
journal = {Applied Soil Ecology},
year = {1996},
volume = {3},
number = {3},
pages = {247--255},
issn = {0929-1393},
}