Forecasting Wheat Output and Profits from Cropping Systems Using Simulation Models in Uasin Gishu, Kenya

Author

P.M. Nyangweso, Paul Okelo Odmori, M.Z. Mapelu and Mark O. Odhiambo

No 95960, 2010 AAAE Third Conference/AEASA 48th Conference, September 19-23, 2010, Cape Town, South Africa from  African Association of Agricultural Economists (AAAE),  Agricultural Economics Association of South Africa (AEASA)

Abstract: Simulation models have been used successfully to forecast productivity of cropping systems under various weather, management and policy scenarios. These models have helped farmers make efficient resource allocation decisions. However, in Kenya simulation models have not been used extensively and more specifically in modeling large scale cropping systems. The study aimed at forecasting productivity and profitability of wheat cropping systems in Uasin Gishu district, Kenya. Both primary and secondary data were used. Both time series and cross-sectional data for variables of interest were collected and complemented by a survey of 20 wheat farmers who were systematically selected to verify information obtained from secondary sources. Cropping Systems simulation model and Monte Carlo simulation were used to determine wheat output and profits under alternative price scenarios. Even though, simulated yields overestimated actual field wheat yield both at the district and across the four agro-ecological zones, the deviation from the actual field yield was marginal. It is recommended that Cropsyst and Monte Carlo models be included among a bundle of tools for decision making. Further research is also required to test the two models under different locations, diverse soil types, varied management styles and different scales of production.

Keywords: Wheat; cropping system; simulation; forecasting; productivity; profits; Crop Production/Industries (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-afr, nep-agr, nep-cmp, nep-effand nep-for
Date: 2010-09
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