Bowman, R.A., M.F. Vigil, D.C. Nielsen, and R.L. Anderson. Soil organic matter changes in intensively cropped dryland systems. R.L. R.A. Bowman, D.C. Nielsen, M.F. Vigil, R.M. Aiken, and J.G. Benjamin. Alternative crop rotations for the central great plains. Anderson, R.L. 1999.
Cultural strategies reduce weed densities in summer annual crops.
R.L. Anderson, R.A. Bowman, R.M. Aiken, M.F. Vigil, and J.G. Benjamin. Winter wheat and proso millet yield reduction due to sunflower in rotation. J. of Prod. Al-Kaisi, Mahdi M, Abdel F. Berrada, Mark W. Stack. Dry bean yield response to different irrigation rates in southwestern Colorado.