Making better fertiliser decisions for Western Australian cropping systems

Chen, W., Anderson, G., Brennan, R. and Bell, R. (2009) Making better fertiliser decisions for Western Australian cropping systems. In: 2009 WA Agribusiness Crop Update, 24 - 25 February, Perth, Western Australia.

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Abstract

The current calibration curves between a particular soil test and crop grain yield responses are based on a large body of past research. However, cropping systems in WA have changed. For example, there is now a wider range of crop species growing in rotations, increased adoption of zero-till, increased crop yield, and more nutrients need to be managed for optimal crop grain yield. Thus there is a need to improve the current soil test-crop response calibrations to maximise returns from fertiliser investment in cropping.