Subject: Farmings Systems
382. A long term rotation trial in New Britain, Papua New Guinea [pdf 363Kb]
R.M. Bourke
Abstract
389. Integration of yam into a continuous farming system in Dahomey [pdf 235Kb]
R. Dumont
Abstract
393. Some indigenous cropping systems of Eastern Nigeria [pdf 366Kb]
N.A. Nwosu
Abstract