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

Which of the following definitions best describes 'Seed thallium content - Measurement'?

A. Measure plant spread and record it. Usually recorded 10 weeks after planting, average of five plants. Widest length between two opposite points.
B. Determined by horizontal combustion (Dumas) method on LECO system
C. Weight of total fresh pod after freshly harvested per sampling unit (single plant, 100, 200, 1000), when the residual soil is removed
D. Acid digested samples, detected by Ion Coupled Plasma – Mass Spectroscopy (ICP-MS)

Answer: Acid digested samples, detected by Ion Coupled Plasma – Mass Spectroscopy (ICP-MS)