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- Fritton, D. D.; Ratvasky, T. T.; Petersen, G. W.
- Soil Science Society of America journal 1986 v.50 no.2 pp. 273-276
- alluvium; colluvium; equations; limestone; regression analysis; sandstone; saturated hydraulic conductivity; shale; soil water; water flow; Pennsylvania
- ... Percolation times and saturated hydraulic conductivity rates from 28 test holes were used with data from the literature to relate saturated hydraulic conductivity, K, to percolation time, P. Sites were chosen to represent seven central and western Pennsylvania soils developed in shale and sandstone colluvium, alluvium, glacial outwash, or residual limestone parent materials. Saturated hydraulic co ...
- White, R. E.; Dyson, J. S.; Gersti, Z.; Yaron, B.
- Soil Science Society of America journal 1986 v.50 no.2 pp. 277-283
- bromacil; chlorides; clay; clay soils; equations; leaching; napropamide; preferential flow; soil aggregates; soil water; solutes; water flow
- ... The leaching of the herbicides bromacil and napropamide through large undisturbed cores of a structured Evesham clay (Aquic Eutrochrept) was studied under continuous and discontinuous watering regimes and at different initial moisture contents. A greater proportion of both herbicides was leached from initially dry cores (θ = 0.24) than from prewet cores (θ = 0.35). This was consistent with differe ...