S. Aman

Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land-use history for soils from the West African moist savanna zone

J. Diels, B. Vanlauwe, R. Merckx, 2000, Biology and Fertility of Soils.

Alley cropping in the moist savanna of West-Africa: III. Soil organic matter fractionation and soil productivity

J. Diels, B. Vanlauwe, R. Merckx, 1998, Agroforestry Systems.

Leaf quality of selected hedgerow species at two canopy ages in the derived savanna zone of West Africa

J. Diels, B. Vanlauwe, R. Merckx, 2004, Agroforestry Systems.

RESPONSE OF TOMATO TO NITROGEN LEVELS WITH OR WITHOUT HUMIC ACID

A. Rab, S. Aman, 2013 .

Maize Yield as Affected by Organic Inputs and Urea in the West African Moist Savanna

J. Diels, B. Vanlauwe, R. Merckx, 2001 .