A study of 18 first-semester, 32 midprogram, and 18 graduating/graduated agricultural education doctoral students showed that degree progress increased the following competencies: foundations, applications, and international knowledge; social, content, process, problem-solving, systems, and resource management skills; and verbal, reasoning, auditory, speech, attentiveness, and perception abilities. Results provide a taxonomy of agricultural education competencies. (Contains 26 references.) (SK)