Development of a Weather Yield Index (WYX) for Maize Crop Insurance in Malawi
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The methodology has demonstrated the possibility of producing weather based maize yield index for Crop Insurance for any point in Malawi every ten days starting from planting time. Real-time pixel based maize yield indices covering the whole country with a resolution of 0.05 degrees latitude and longitude can be objectively produced. The methodology is repeatable by anybody who has access to basic weather data. The methodology uses gridded information that is not too sensitive to individual miss ing stations, provided sufficient data points are available and the interpolation process takes into account topography and climatic gradients. The methodology is temper-resistant, potential beneficiaries of the insurance are not in a position to directly or indirectly manipulate the yield index.