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

Which of the following definitions best describes 'Plant groundcover'?

A. The amount (weight) of stem per unit area or plant.
B. Projected area of the plant on the ground.
C. Proportion of off-types plants in a population.
D. Overall performance of the plant that indicates whether the material is to be culled, kept, or selected as promising for further evaluation or not.

Answer: Projected area of the plant on the ground.