editors, B.L. Sawhney and K. Brown ; editorial committee, B.L. Sawhney ... [et al.] ; organizing committee, B.L. Sawhney ... [et al.] ; editor-in-chief, SSSA, D.E. Kissel, editor-in-chief, ASA, G.H. Heichel

Soil Science Society of America : American Society of Agronomy 1989 SSSA special publication no. 22

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