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

Which of the following definitions best describes 'Grain yield per plant - Method'?

A. Average the weight of 5 or 10 random plants per experimental plot
B. Divide the plot grain yield by the number of plants in the plot
C. Measure the mean of tap diameter 15cm below soil surface of 10 plants per experimental plot
D. Measure the mean length of 10 freshly opened, randomly selected calyx

Answer: Divide the plot grain yield by the number of plants in the plot