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Physical Sciences and Mathematics Commons™
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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Producing 20-Month Old Beef Steers Off Annual Pasture, K D. Greathead, D. J. Barker, W. J. Ryan
Producing 20-Month Old Beef Steers Off Annual Pasture, K D. Greathead, D. J. Barker, W. J. Ryan
Journal of the Department of Agriculture, Western Australia, Series 4
A recent Mt Barker experiment compared two systems of fodder conservation with continuous grazing, using two types of steers, at three stocking rates. Year-round performance, carcass composition, and resulting costs and returns per hectare were assessed.
Production per hectare was greatest from crossbred steers at the intermediate stocking rate with either type of fodder conservation.
Water Movement Through Soil, R A. Nulsen
Water Movement Through Soil, R A. Nulsen
Journal of the Department of Agriculture, Western Australia, Series 4
Even a good quality stock water moving to the surface can cause a salinity problem in only a few years.
Landform, Natural Drainage And Salinity, Eric Bettenay
Landform, Natural Drainage And Salinity, Eric Bettenay
Journal of the Department of Agriculture, Western Australia, Series 4
An understanding of salt movement in streams and groundwater may lead to better methods of control and prevention of salinity.
The Dryland Salinity Problem In North America, P R. George
The Dryland Salinity Problem In North America, P R. George
Journal of the Department of Agriculture, Western Australia, Series 4
North america also has a dryland salinity problem although the source is different.
Soil Salinity In Western Australia : A Summary, T C. Stoneman
Soil Salinity In Western Australia : A Summary, T C. Stoneman
Journal of the Department of Agriculture, Western Australia, Series 4
Soil salinity problems have long been recognised in Western Australia. The earliest published explanation in 1924 suggested that removing native vegetation increased stream salinity, and this basic cause has been confirmed by many studies since.
Plants As Pumps, E A N Greenwood
Plants As Pumps, E A N Greenwood
Journal of the Department of Agriculture, Western Australia, Series 4
Native species vary greatly in their ability to pump ground water.
CSIRO studies are measuring water use by different plants to plan revegetation strategies.