Check calibration for bean cultivars in Kenya

[lpmorenoc]

Based on previous work done by Prakash Kumar Jha in his postdoc with CIAT. We will compare the cultivar used by him with the ones recently released for beans.

[lpmorenoc]

@smkuhlani tested the cultivar coefficients created by Prakash Kumar Jha. However, they did not provide reasonable yield values. @smkuhlani could explain this better.