Complex sentence: With the growth of the various disciplines in the Agricultural Research Station and the establishment of regional research stations, the organizational structure changed somewhat, establishing in 1971 the Agricultural Research Organization (ARO), incorporating all agricultural research within the Ministry of Agriculture.
Split into simpler sentences: With the growth of the various disciplines in the Agricultural Research Station and the establishment of regional research stations, the organizational structure has changed over time. The Agricultural Research Organization (ARO) was established in 1971, incorporating all agricultural research within the Ministry of Agriculture.