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Harvest_index
Christoph Mueller edited this page Jul 4, 2018
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1 revision
The harvest index (HI) describes the ratio of harvested storage organ to
total above ground biomass. For most crops it is <=0.5, but can also be
0.6 for hybrid maize varieties.
The current
calibration
of agricultural production intensity uses a combined calibration
of LAImax (plant performance, density), alphaA (homogeneity of
the stand) and harvest index (high-yielding varieties in
intensely managed stands only).
HI is a crop-specific parameter and subject to intensity calibration.