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Assessing the Potential for Algal Blooms in Clear Water Phase Tropical Rivers

Associate Professor George Ganff, from the University of Adelaide studied the rivers of northern Australia and particularly those in the Top End of the Northern Territory which are subject to major seasonal changes in flow and inter-annual variability. During the dry season, spring water maintains flow with different water chemistry from the rainfall run-off that constitutes wet season flow.

Improving the water use efficiency of horticultural crops

NPIRD project CDH1

The results of this project show that there is considerable scope for improving the water use efficiency of fruit production in Australia. The two year project has sought to test the partial rootzone drying (PRD) irrigation method, originally developed for grapevines, in a range of woody perennial horticultural crops. The technique requires that both wet and dry rootzones are simultaneously created. Results with grapes, citrus and pears have given exciting results. (more)...