D. L. Bradshaw, D. S. Chanasyk, V. S. Baron and M. A. Naeth
Canadian journal of Soil Sciences 87 ( 5 ): 523 - 533 , 2007
J. Thibodeau, L. G. Fuller and D. S. Chanasyk
Canadian journal of Soil Sciences 87 ( 5 ): 541 - 549 , 2007