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

Which of the following definitions best describes 'Basal tiller number'?

A. Number of panicles harvested from the plot that are different from sown variety
B. Number of basal tillers counted on plants in the field
C. Number of tillers arising from the upper nodes on the main stems.
D. Number of panicles harvested from the plot

Answer: Number of basal tillers counted on plants in the field