Hill spent four years from 1965 as an agricultural researcher at Bubia, near Lae, in Papua New Guinea. He was appointed to an academic position at Lincoln University, near Christchurch, New Zealand, in October 1972.[1][3] He rose to become an associate professor, and served as head of the Agronomy Department at Lincoln from 1994.[1] After 40 years as a teaching and research agronomist with a particular interest in the agronomy of lupins, Hill retired in 2012.[3]
Hill served a committee member of the Association of University Staff (AUS) and later the Tertiary Education Union for 28 years,[3] rising to national president and earning a meritorious service award.[4] He was also a long-serving member of the council of the Agronomy Society of New Zealand,[5] and was appointed a justice of the peace in 1984.[1]
Naval service
Following his secondary education, Hill joined the Royal Australian Naval Reserve in November 1956.[1] He was active in the naval reserves in Australia and New Zealand for more than 30 years, becoming the first reservist raised to the rank of captain in 25 years.[1][3]
Herbert, S.J.; Hill, G.D. (1978). "Growth analysis of Lupinus angustifolius cv.'WAU11B'". New Zealand Journal of Agricultural Research. 21 (3): 467–474. doi:10.1080/00288233.1978.10427436.
Gladstones, S.J.; Hill, G.D. (1969). "Selection for economic characters in Lupinus angustifolius and L. digitatus. 2. Time of flowering". Animal Production Science. 9 (37): 213–220. doi:10.1071/EA9690213.