Flooding, waterlogging and salinity are problems which commonly occur together on the broad valleys of the wheatbelt. Drainage lines often become poorly defined once they reach the valleys and flood waters spread out, causing inundation and waterlogging. This excess water needs to be controlled because it contributes to salinity
McFarlane, Don; Negus, Tim; and Ryder, Arjen
"Shallow drains for reducing waterlogging and salinity on clay flats,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 31
, Article 10.
Available at: http://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol31/iss2/10