Economics of potato production under irrigated and rainfed conditions in high altitude areas of Nigeria

Pages 132-136

Asumugha, G.N; Okonkwo, J.C. and Okoli, O.O

ABSTRACT

Potato production in Nigeria is restricted to high altitude areas. Jos Plateau alone accounts for over 75% of total potato produced in Nigeria. It is grown mainly under rainfed condition. This limits the availability to consumers throughout the year. Supplemental irrigation was seen as possible way of raising the productivity of the crop as well as increasing output of growers. This study was designed to as certain the economics of potato production under irrigated conditions compared to the rainfed system by utilizing data obtained in both rainy and dry season trials at the National Root Crops Research Institute Research farm in Kuru, Plateau State of Nigeria in 1994/1995. Compared to the rainfed production system, the irrigated potato farm produced higher quantity of output at relatively high unit cost of production. However, the per-unit net returns are much higher on the irrigated potato farm. Results of the economic efficiency tests showed that the irrigated potato farm has high level of technical efficiency where land, labour and capital inputs were intensively used, while the unirrigated potato farm was allocatively more efficient.

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