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

Which of the following definitions best describes 'Calculation - Filled spikelet per square meter'?

A. Count all tillers arising from representative plants and compute the average
B. Count the number of panicles on representative plants and compute the average
C. In a greenhouse test where NT leaves have been scored using the single leaf injury score, calculate the injury rating R = (N1 + 2xN2 + 3xN3)x100% / (NTx3), where N1-N3 are the number of leaves with score 1-3
D. Calculate from the filled grain weight and number of filled grains on an area basis

Answer: Calculate from the filled grain weight and number of filled grains on an area basis