Salinity, Drainage, Narrogin (W.A.), Western Australia
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The Department of Agriculture established 121 trials in its Narrogin advisory district starting in 1972 to measure the effect of bulldozer and grader built seepage interceptor banks and drains on the topsoil salinity of the land downslope of them.
After 14 years of moniterin, there was no evidence that seepage interceptor drains and banks reduced the top soil salinity on 10 of the 11 sites in the Pingelly, Brookton and Wickepin Shires.
Negus, T R.
"Seepage interceptor drains and topsoil salinity,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 28:
2, Article 4.
Available at: https://library.dpird.wa.gov.au/journal_agriculture4/vol28/iss2/4