R. H. Campbell

Precision Agriculture for Potatoes in the Pacific Northwest

Shufeng Han, S. M. Schneider, R. G. Evans, 1996 .

Yield Mapping of Potato 1

J. R. Hess, Gaylon S. Campbell, S. L. Rawlins, 1995 .

Recent Advances in Yield Monitoring of Conveyor Harvested Crops

Ronald H. Campbell, R. H. Campbell, 1999 .