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Articles by S.I. Orewa
Total Records ( 2 ) for S.I. Orewa
  P.A. Ekunwe , S.I. Orewa and C.O. Emokaro
  The study examines resource use efficiency on yam production in Delta and Kogi States of Nigeria. Both primary and secondary data were used for the study. Primary data were collected using a set of structured questionnaire from 200 selected Agricultural Development Programme (ADP) contact yam farmers from each state. A multi-stage sampling technique was used in selecting the 200 farmers from each state, which were then interviewed by trained enumerators, out of these 200, only 146 and 144 copies of the questionnaires from Delta and Kogi States, respectively were found adequate and used in the analysis for the study. Data collected were analysed using descriptive statistics such as mean and standard deviation, marginal analysis as well as the stochastic frontier production function. Results from the study show that on the average more males (98.6%) were involved in yam production in both states as compared to 1.4% in the case of female. The technical efficiency of the farmers in both States varied. In Delta State, their technical efficiency varied from 0.20 to 0.93 with a mean of 0.85, while about 80% of the farmers had technical efficiencies exceeding 0.80. In Kogi State, the technical efficiency of farmers varied from 0.20 to 0.95, with a mean of 0.65, while only about 23% of the farmers had technical efficiencies exceeding 0.80. The results for resource use efficiency show that there were under utilization of land, labour and planting materials (seed yam) as the ratios of the value of marginal product to marginal fixed cost were greater than one in both states.
  S.I. Orewa
  The study was carried out to investigate farmers reasons for intercropping their oil palm farms with food and other cash crops rather than the sole oil palm planting arrangement specified for participation in the World Bank Assistance Smallholder Oil Palm development project financed during the 1975-83 period. The study was conducted at the Ekuku-Agbor Tree Crop Unit Zone (to the East) and Mosogar Tree Crop Unit Zone (to the Southwest) of the old Bendel State of Nigeria. A total of 35 oil palm farmers were randomly selected from each zone for the study. The study tried to identify the size of oil palm cultivated, types of food and cash crops planted and the proportion consumed and sold and the sufficiency of labour for various farm activities. The study showed that the average oil palm farm size at Ekuku-Agbor zone was smaller (about 1.57 ha) and more fragmented while for Mosogar zone it was 2.28 ha. However a greater percentage (over 65%) of the farms at both locations were within 0.01-2.00 ha farm size range which could be said to be relatively small. The study revealed that among other factors the farmers desire to ensure adequate family food needs which equates to food security and some cash to meet regular family financial needs necessitated their intercropping of the oil palm farms. Others include the need to maximize the returns from the use of labour which they considered a major limiting factor in farm maintenance and to take advantage of the relative high unit price of cassava and its products that prevailed then by cultivating on any available land space including the palm plantations and thereby increasing their farm income.
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