1. 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 .
2. S. D. Askew, and J. W. Wilcut .2000 .Tropic croton interference in cotton and peanut., Weed Sci. Soc. Am. Abst, 40 :135 .
3. S. D. Askew, J. W. Wilcut, W. A. Bailey, and G. H. Scott .1999 .a.Interference and seed-rain dynamics of fourPolygonumspecies in cotton., Proc. South. Weed Sci. Soc, 52 :177 .
4. S. D. Askew, J. W. Wilcut, W. A. Bailey, and G. H. Scott .1999 .b.Weed management in conventional and no-tillage cotton using BXN®, Roundup Ready®, and Staple® OT systems., Proc. Beltwide Cotton Conf, 23 :743 .
5. 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 .