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Please use this identifier to cite or link to this item: http://hdl.handle.net/11019/1378

Title: Soil Water Regimes.
Authors: Diamond, J.
Sills, P.
Keywords: Soil moisture tension
Overland flow
soil type
Issue Date: 1-Jul-2001
Publisher: Teagasc
Citation: Diamond, J., Sills, P., Soil Water Regimes, End of Project Reports, Teagasc, 2001.
Series/Report no.: End of Project Reports;
Abstract: Soil moisture tension was monitored, for three years, at three sites representing different natural soil drainage classes that were defined morphologically. The soils comprised: • Gley, poorly drained, loam • Brown Earth, well drained, loam • Brown Earth, somewhat excessively drained, sandy loam. The main features of the moisture regime were: • Average annual soil water tension was analogous to the natural drainage classification and followed the sequence: somewhat excessively drained > well drained > poorly drained. • Some horizons that lacked visible evidence of reduction, in the subsoil of the Brown Earths, were saturated for long periods. • The Brown Earths were unsaturated, at 15 cm depth, throughout the three-year period. • The Gley was saturated at 15 cm depth for up to nearly four months per year. This implies that the risk of overland flow, due to saturation excess, differs among soil types. The risk is probably significant on Gleys, which occupy 25 percent of the land area; it is probably small or negligible on Brown Earths and analogous soils, which comprise over forty percent and account for virtually all of the intensive agriculture in the country.
Description: End of Project Report
URI: http://hdl.handle.net/11019/1378
ISBN: 1841702234
Appears in Collections:CELUP End of Project Reports

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