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Full-Text Articles in Physical Sciences and Mathematics
Focus Catchments : A New Approach To Salinity Research : National Dryland Salinity Program, Steve Porritt
Focus Catchments : A New Approach To Salinity Research : National Dryland Salinity Program, Steve Porritt
Journal of the Department of Agriculture, Western Australia, Series 4
Dry/and salinity is a major threat to the resource base of many rural industries around Australia. More than 1.8 million hectares of once productive land are affected by salinity, with a further 1.6 million hectares at risk in the next 15 to 25 years in Western Australia alone. Much of the past Commonwealth and State expenditure on salinity programs and activities has been poorly targeted and coordinated. In view of this, a national dry/and salinity program that supports specific State salinity management programs has been established jointly between the Commonwealth and State government agencies.
The Upper Kent River Catchment is …
Improved Catchments For Farm Dams, I A F Laing
Improved Catchments For Farm Dams, I A F Laing
Journal of the Department of Agriculture, Western Australia, Series 4
The amounts and frequency of runoff from unimproved farmland catchments in Western Australia's cereal and sheep districts are notoriously variable and unreliable. As a result many farmers have constructed improved catchments to ensure better reliability of farm dams for livestock and homestead water supplies.
Improved catchments which are used extensively on these farms are all of the compacted or bare-earth type. These include roaded catchments, flat batter dams and, to a lesser extent, scraped catchments. This article mainly discusses roaded catchments, the most common of the improved catchment types on farms.