INTRODUCTION on maize production. It has been reported by Chi-ChungClimate change refer to the increase of earth effects on yield levels and variability of corn (maize). Intemperature due to the release of gases such as CO , CH , his study on the influence of climate change on maize2 4CFCs, N O and O into the earth’s atmosphere [1]. Climate production in semi-humid and semi-arid areas of Kenya,2 3 change present a challenge for researchers attempting to Bancy [9] reported that in order to counter the adversequantify its local impact due to the global scale of likely effects of climate change in maize production, it might beimpacts and the diversity of agricultural systems. necessary to use early maturing cultivars and practiceSimilarly, the effect of climate change on vegetation can early planting. Earlier, Anderson and Hazell [10] arguedbe dramatic, due to variations in the amount of CO that adoption of common high-yielding varieties, uniform2available for photosynthesis. In addition, climatic factors planting practices and common timing of field operationssuch as temperature, precipitation, moisture and pressure have caused yields of many crops to become moreaffect the development of plants, either alone or by strongly influenced by weather patterns, especially ininteracting with other factors [2]. Considerable research developing countries. Studies have indicated that 1°Cworks have been carried out on the effects of increase in global temperature will lead to reducedweather/climate on agricultural production,[1, 3-7] but few productivity in some cultivated plants, such as 17% in works have been specific on the effects of climate change maize and soybean [11-12].