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Lysimeters Without Edge Flow: An Improved Design and Sampling Procedure
Soil Science Society of America Journal1992Vol. 56(5), pp. 1625–1628
Citations Over TimeTop 10% of 1992 papers
Keith C. Cameron, N. P. Smith, C. D. A. McLay, P. M. Fraser, R McPherson, D. F. Harrison, P. Harbottle
Abstract
Abstract A description is given of a modified lysimeter design and sampling procedure designed to prevent edge flow from occuring in large soil monolith lysimeters. An internal cutting ring at the base of the lysimeter casing produced a small annular gap between the soil monolith and the wall of the casing. This gap was filled with liquefied petrolatum, which provided a water‐tight seal around the edge of the lysimeter. Water and solutes were unable to leak between the monolith and casing. The use of petrolatum as a sealant is suitable for water‐flux and nutrient‐leaching studies, but is not suitable for pesticide studies.
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