Items where Author is "Williams, J.R."
Group by: Item Type | No Grouping Jump to: Monograph Number of items: 1. MonographJohnson, O.S. and Williams, J.R. and Gwin, R.W. and Mikesell, C.L. (1986) Economic analysis of reduced tillage wheat and grain sorghum rotations in western Kansas. Other. Kansas State University, Agricultural Experiment Station, Manhattan, Kansas, USA. |
