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Journal of the Department of Agriculture, Western Australia, Series 4

Keywords

Trees, Eucalyptus globulus, Phosphorus fertilizers, Runoff, Plant water relations, Water use efficiency, Peel Inlet (W.A.), Harvey River Estuary (W.A.), Western Australia

First Page Number

102

Last Page Number

104

Abstract

The peel-Harvey catchment has been the focus for an intensive research and extension programme to reduce phosphorous run-off flowing into the Peel Inlet and Harvey Estuary, while maintaining agricultural productivity.

One of the proposed management strategies is to plant large areas of trees on the catchment's leaching sands. Farmers would be encouraged to take this option if growing trees was at least equal, in financial return, to the present agricultural land uses.

Preliminary data indicate that growing Eucalyptus globulas (Tasmanian bluegum) for woodchipping may be at least as profitable as agriculture. Tree plantations also have the added potential to reduce long-term phosphorus losses from the soil.

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