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

Which of the following definitions best describes 'Leaf length mean - method'?

A. Calculation of specific leaf area as the leaf weight/leaf area ratio.
B. The ratio of the mean leaf length to mean leaf width for a plant 75 days after planting.
C. The mean leaf length for a plant 75 days after planting
D. The nematode reproductive factor (RF) was calculated as RF = Pf/Pi where Pf = final nematode population, and Pi = initial nematode population.

Answer: The mean leaf length for a plant 75 days after planting