by Girma, K, Holtz, S.L, Arnall, D.B, Tubana, B.S, Raun, W.R
Published in Agronomy journal (01.09.2007)

by Arnall, Daryl B, Tubana, Brenda S, Holtz, Starr L, Girma, Kefyalew, Raun, W.R
Published in Journal of plant nutrition (12.02.2009)

by Girma, K, Holtz, S.L, Arnall, D.B, Fultz, L.M, Hanks, T.L, Lawles, K.D, Mack, C.J, Owen, K.W, Reed, S.D, Santillano, J
Published in Agronomy journal (01.11.2007)

by Girma, Kefyalew, Holtz, Starr L., Arnall, Daryl B., Tubaña, Brenda S., Raun, William R.
Published in Agronomy journal (07.05.2008)

by Girma, Kefyalew, Holtz, Starr L., Arnall, Daryl B., Tubaña, Brenda S., Raun, William R.
Published in Agronomy journal (01.05.2008)

by Freeman, Kyle W., Klatt, Arthur R., Raun, William R., Girma, Kefyalew, Arnall, Daryl B., Tubana, Brenda, Holtz, Starr L., Lawles, Kyle D., Walsh, Olga, Chung, Byungkyun, Sayre, Kenneth D.
Published in Archiv für Acker- und Pflanzenbau und Bodenkunde (01.06.2007)

by GIRMA, Kefyalew, HOLTZ, Starr L, ARNALL, Daryl B, TUBANA, Brenda S, RAUN, William R
Published in Agronomy journal (2007)

by Moges, Shambel M., Girma, Kefyalew, Teal, Roger K., Freeman, Kyle W., Zhang, Hailin, Arnall, Daryl B., Holtz, Starr L., Tubaña, Brenda S., Walsh, Olga, Chung, Byungkyun, Raun, William R.
Published in Archiv für Acker- und Pflanzenbau und Bodenkunde (01.12.2007)