People : Gavlak, R.G.
Kresge, P.O. and Gavlak, R.G. and Custer, S.G. and Robbins, C.W. and Jacobsen, J.S. (1988) Identification and impact of excess soil potassium on crop and livestock nutrition. In: Proceedings, 39th Annual Far West Regional Fertilizer Conf. USA-MT-Bozeman, 1988/07/11-13. 5 pp.
Robbins, Charles W. and Gavlak, R.G. (1989) Salt- and sodium-affected soils. University of Idaho Cooperative Extension Service Bulletin No. 703. 12 pp.