Effect of long-term cropping systems on soil hydrophobicity of a clay loam soil under dryland conditions in southern Alberta
2022
Miller, J.J. | Owen, M.L. | Ellert, B.H. | Yang, X.M. | Drury, C.F. | Chanasyk, D.S.
The objective was to quantify the effect of crop rotations, crop type, life cycle, nitrogen fertilizer, manure application, and fallow on soil hydrophobicity (SH). The SH was measured for a long-term (16 yr) dryland field experiment on a Dark Brown clay loam soil in southern Alberta, Canada. Mean SH was significantly (P ≤ 0.05) greater in rotations with grass, perennial crops, manure application, and continuous cropping; whereas cereal–legume rotations and N fertilizer effects were undetectable. A strong, positive correlation occurred between SH and soil organic carbon concentration (r = 0.73). Soil water repellency should be measured on these plots using water-based methods.
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