| Effect of pulsing on wetting patterns with
T-tape subsurface irrigation system
Research Supervisor:
Dr. Asitha Katupitiya
Research Staff:
Michelle Miller
Funding:
CSU seed grant
Duration:
1999
Project Summary:
Subsurface irrigation systems have been
developed with a view of reducing evaporation and
percolation water losses by supplying water directly at the
plant roots. However, a recent study has reported that
the subsurface-water-distribution pattern for a given
soil depends on rate and duration of water application
and depth of pipe installation (Muirhead et al.,
1998). Application of water in pulses introduces two
phases in an irrigation event, namely water application
and redistribution. Pulsing affects the rate and duration
of water application and may result in different subsurface wetting patterns. This study is aimed
at investigating the wetting patterns produced by
pulsed and non-pulsed subsurface irrigation
management with T-tape.
Surface wetting patterns from a
sub-surface irrigation source
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