The department is authorized to employ agricultural and aquacultural experts at such compensation and in such number as it deems necessary. It shall be the duty of such agricultural and aquacultural experts to instruct and advise the lessee of any tract or the successor to the lessee's interest therein as to the best methods of diversified farming and stock raising and aquaculture operations and such other matters as will tend successfully to accomplish the purposes of this title.
HRS § 219