Specific - Graduate student John A. Ackley completed his dissertation on investigation of rimsulfuron matrix in potato, tomato, and pepper.
(Specific - Graduate student John A. Ackley; completed; his dissertation on investigation of rimsulfuron matrix in potato, tomato, and pepper) (John A. Ackley; [is] student [of]; Graduate)
Specific - Graduate student John A. Ackley John A. Ackley
completed [is] student [of]
his dissertation on investigation of rimsulfuron matrix in potato, tomato, and pepper
Graduate