Adjei-Nsiah, S.Kuyper, T.W.Leeuwis, C.Abekoe, M.K.Giller, K.E.2012-03-172017-10-142012-03-172017-10-142007http://197.255.68.203/handle/123456789/374enCassavaCropping sequenceRotationNitrogenPigeonpeaSpeargrassReturn on investmentEvaluating sustainable and profitable cropping sequences with cassava and four legume crops: Effects on soil fertility and maize yields in the forest/savannah transitional agro-ecological zone of GhanaArticle