TY - BK AU - Runge-Metzger,A. ED - Nyankpala Agricultural Experiment Station y GTZ TI - Variability in agronomic practices and allocative efficiency among farm households in northern Ghana T2 - Nyankpala Agricultural Research Report SN - 3-8236-1134-8 SN - 0933-4351 U1 - 338.1 PY - 1988/// CY - Eschborn (Germany) PB - GTZ, KW - Crop yield KW - AGROVOC KW - Cropping patterns KW - Cropping systems KW - Ghana KW - Income KW - Land use KW - Resource allocation KW - Self sufficiency KW - Farming systems N1 - Tables, graphs, illustration, bibliography p. 39-42, appendices p. 43-121 ER -