Large intact soil slabs for studying the effects of soil and plant properties on surface runoff

J. T. Douglas*, R. M. Ritchie, I. Takken, C. E. Crawford, J. K. Henshall

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A system is described for the collection and preparation of large (0.5 t) slabs of soil from the field for use in studies of surface runoff. Sample collection involves insertion of a steel-cutting frame to the chosen depth, followed by under-cutting by a hydraulically driven base-plate. In the laboratory, the slab is mounted on a frame with an adjustable slope. The cutting frame is replaced by a retention box that allows monitoring of surface runoff and soil water content after applications of wastes and simulated rainfall. Measurements of flow rate, velocity and depth on the soil surface enable characterization of surface hydraulic resistance. Non-destructive measurements of soil surface roughness can be made before and after runoff tests, and soil structural attributes are determined after collection of appropriate intact samples from the soil slab. The general applicability of the slab collection and monitoring methods are discussed in the light of experience gained with both grassland soils and arable soils.

Original languageEnglish
Pages (from-to)395-401
Number of pages7
JournalJournal of Agricultural and Engineering Research
Issue number4
Publication statusPrint publication - 1 Jan 1999


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