editors, C.E. Clapp ... [et al.] ; organizing committe, M.H.B. Hayes ... [et al.] ; editorial committee, C.E. Clapp ... [et al.] ; editor-in-chief, Warren A. Dick ; Managing editor; David M. Kral ; associate managing editors, Jon M. Bartels, Lisa Al-AmoodiAmerican Society of Agronomy2001