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

Which of the following definitions best describes 'Basal sweep protocol'?

A. Assessment of the date when shoots reached 50% of their final size (deducted a posteriori)
B. Plant and rock covers are assessed independently in the 10x10 m virtual plot around the tree and with a predefined scoring scale. As the estimations are independent, the total of the two can be > 100% (some plants can grow over rocks).
C. Assessment of the date when shoots reached 20% of their final size (deducted a posteriori)
D. Visual assessment with a reference scoring scale

Answer: Visual assessment with a reference scoring scale