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

Which of the following definitions best describes 'HeatTol Estimation'?

A. Standard method for spike density.
B. Observe the growth of plants per plot/entry under heat condition and rate the tolerance.
C. Standard method for grain plumpness.
D. Standard method for glume color.

Answer: Observe the growth of plants per plot/entry under heat condition and rate the tolerance.