Now showing items 161-162 of 162
Challenges in computer systems for farmers
(Lincoln College. Agribusiness and Economics Research Unit, 1988-05)
Almost since computers first became generally available for research purposes, farm management professionals have been using their power to help farmers make improved decisions. In 1966 university computers were used for ...
Tractor replacement policies and cost minimisation
(Lincoln College. Agricultural and Economics Research Unit, 1983-11)
Calculating the most appropriate replacement policy for farm tractors is a complex exercise made even more difficult because of inadequate data on how resale values and repair costs vary with tractor age and hours of ...