The results of the yield modelling, predicted andreported grain yields (all at 14% moisture content), areshown in Fig. 1. The predicted grain yields for alllocations were 15 t ha1 and the reported yields canbe conveniently divided into two groups (yields 15and <15 t ha1). With the exception of the SRI treatmentat Hunan, all of the yield predictions for the sitesoutside of Madagascar were within 15% and goodagreement between reported and predicted yields isevident. The model overestimated the yield for the SRItreatment at Hunan by 32% because the crop therepartially lodged; in contrast the model under-predictedthe yield at Hunan from the conventional system by0.3%.
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