In addition to the successful completion of examination acceptable to the board, the following shall be considered as minimum evidence satisfactory to the board that an applicant is qualified for registration as a landscape architect: an applicant who is a graduate of a school of landscape architecture where the professional degree curriculum has been accredited and who has completed three (3) years of practical experience in landscape architectural work satisfactory to the board, of which no more than one (1) year of landscape architectural practical training and school may be concurrent.