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

Which of the following definitions best describes 'Leaf chlorosis - computation'?

A. Calculate as: the sum of the Number of fingers in hand, divided by the Number of hands in bunch, e.g. (10 + 10 + 11 + 10 + 10 + 10 + 12 + 12 + 12 + 11 +12 + 12 + 10 + 10 + 10 + 11) / 16 = 10.8.
B. Calculate as: multiply the distance of the spacing between the plants, both latitudinally and longitudinally, e.g. 2 m x 3 m = 6 m2.
C. Ratio of non green to green plant pixels
D. Calculate as: the time elapsed between the Date of planting to the Date of harvest. E.g. 24/12/2014 - 24/01/2014 = 334 days.

Answer: Ratio of non green to green plant pixels