K. Brix-Davis

Temporal variability of organic C and nitrate in a shallow aquifer

S. Clay, T. Moorman, D. Clay, 1996 .

Velvetleaf (Abutilon theophrasti) effect on corn (Zea mays) growth and yield in South Dakota

Sharon A. Clay, S. Clay, C. Scholes, 1995 .

Creped cellulose paper covered with sand for Glycine max, Helianthus annuus, Phaseolus vulgaris and Zea mays.

A. Patin, K. Fiedler, K. Brix-Davis, 2009 .

Carbon and nitrogen mineralization in row and interrow areas of chisel and ridge tillage systems

T. Schumacher, D. Clay, K. Brix-Davis, 1995 .

Nitrate Movement after Anhydrous Ammonia Application in a Ridge Tillage System

S. Clay, D. Clay, K. Brix-Davis, 1994 .