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Citation: Dd. Howard et al., Nitrogen fertilization of no-till cotton on loess-derived soils, AGRON J, 93(1), 2001, pp. 157-163

Authors: Roberts, RK Pendergrass, R Hayes, RM

Citation: Rk. Roberts et al., Economic analysis of alternative herbicide regimes on roundup ready soybeans, J PROD AGR, 12(3), 1999, pp. 449-454

Authors: McKinley, TL Roberts, RK Hayes, RM English, BC

Citation: Tl. Mckinley et al., Economic comparison of herbicides for johnsongrass (Sorghum halepense) control in glyphosate-tolerant soybean (Glycine max), WEED TECH, 13(1), 1999, pp. 30-36