zones from MMP Extract 4 zones from MMP Separate in two zones - Intercept Peronnet el al https://www.semanticscholar.org/paper/The-Peronnet%E2%80%93Thibault-mathematical-model-applied-to-Pinot-Grappe/536110ae284ffff7a576bbe62dac0d727c5714f2?p2df
max(meanmax(power/weight,3*3600))
(frccurve(meanmax(power)),frccurve(meanmax(power)))