Now showing items 1-2 of 2
Effect of tillage system, residue management and nitrogen fertilization on maize production in western Ethiopia
(University of the Free State, 2006-05)
English: The sustainability of maize production in western Ethiopia is in question despite of favorable environmental conditions. A major reason for this phenomenon is severe soil degradation in maize fields. This soil ...
Evaluation of maize and sunflower production in a semi-arid area using in-field rainwater harvesting
(University of the Free State, 2006-11)
English: Subsistence farmers occupy a large area east of Bloemfontein around Thaba Nchu in the Free State Province of South Africa. They do not enjoy food security because the area is marginal for crop production. There ...