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Full-Text Articles in Physical Sciences and Mathematics
Private Irrigation Systems : Do They Pay?, G D. Oliver
Private Irrigation Systems : Do They Pay?, G D. Oliver
Journal of the Department of Agriculture, Western Australia, Series 4
WESTERN AUSTRALIA, with 71,000 acres under irrigation, can hardly claim to have an important irrigation farming industry.
However, irrigation is daily growing in importance, especially through private schemes. These account for almost half the present irrigated area.
The Ord River Regeneration Project. 3. Eight Years Of Progress, K Fitzgerald
The Ord River Regeneration Project. 3. Eight Years Of Progress, K Fitzgerald
Journal of the Department of Agriculture, Western Australia, Series 4
REGENERATION of degraded areas in regions of marginal rainfall is a slow process under the best of conditions, but on the Ord River Catchment, where much top-soil had been removed, the problem was unusually severe.
In many areas top-soil will have to be rebuilt before vegetation can be re-established.
This will be a long, slow process and regeneration will proceed through gradual plant succession from the "pioneer" annual species through to the permanent and more productive perennial species needed for a stable catchment area.