Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Above ground fresh biomass measurement'?

A. Measure the leaf stomatal conductance.
B. Direct measurement of a liquid chromatography mass spectrum
C. Cut all aboveground biomass in a predetermined area and weigh immediately using a scale or balance.
D. Measurement of the lutein content

Answer: Cut all aboveground biomass in a predetermined area and weigh immediately using a scale or balance.