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

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

A. Measure the secondary thousand grain weight.
B. Cut all aboveground biomass in a predetermined area. Dry to a constant weight and weigh using a scale or balance.
C. Measure the primary groat area.
D. Direct measurement of a liquid chromatography mass spectrum

Answer: Cut all aboveground biomass in a predetermined area. Dry to a constant weight and weigh using a scale or balance.