1. S. D. Askew, W. A. Bailey, and J. W. Wilcut .1999 .Velvetleaf (Abutilon theophrastiMedicus) interference and seed-rain dynamics in North Carolina cotton., Weed Sci. Soc. Am. Abstr, 39 :139 .
2. S. D. Askew, and J. W. Wilcut .1999 .Cost and weed management with herbicide programs in glyphosate-resistant cotton (Gossypium hirsutum)., Weed Technol, 13 :308 –313 .
3. T. A. Bauer, and D. A. Mortensen .1992 .A comparison of economic and economic optimum thresholds for two annual weeds in soybean., Weed Technol, 6 :228 –235 .
4. Amino Acid Concentrations in Seed of Preferred Forages of Bobwhites
5. D. C. Bridges, and J. M. Chandler .1987 .Influence of johnsongrass (Sorghum halepense) density and period of competition on cotton yield., Weed Sci, 35 :63 –67 .