N(2)-fixation and N contribution by grain legumes under different soil fertility status and cropping systems in the Guinea savanna of northern Ghana

por Kermah, M., Franke, A.C., Adjei-Nsiah, S., Ahiabor, B.D.K., Abaidoo, R.C., Giller, K.E.
Publicado 2018

LEGUME-MAIZE ROTATION OR RELAY? OPTIONS FOR ECOLOGICAL INTENSIFICATION OF SMALLHOLDER FARMS IN THE GUINEA SAVANNA OF NORTHERN GHANA

por KERMAH, M., FRANKE, A. C., AHIABOR, B. D. K., ADJEI-NSIAH, S., ABAIDOO, R. C., GILLER, K. E.
Publicado 2018