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

Which of the following definitions best describes 'Specific leaf area - Method'?

A. Usually measured through winrhizo software from scanned image files or maually using a measuring scale
B. Average number of pods with seed from 3 or 5 randomly selected plants
C. Ratio of area to the weight of leaves. Leaf area is measured using leaf area meters and leaf weight using precision balances
D. Cold tolerance index calculated by dividing the percentage of filled pods of the cold-stressed plants by that of the control plants.

Answer: Ratio of area to the weight of leaves. Leaf area is measured using leaf area meters and leaf weight using precision balances