Authors

Deb Archdeacon, Agronomica, Wellington Mill, WA
Andrew Gulliver, Custom Composts, Nambeelup, WA
David Cullen, Custom Composts, Nambeelup, WA
Qifu Ma, Murdoch University
Richard Bell, Murdoch University
Ross Brennan, Department of Agriculture and Food
Craig Scanlan, Department of Agriculture and Food
Wen Chen, Murdoch University
Geoff Anderson, Department of Agriculture and Food
Mike Boland, Department of Agriculture and Food
Peter Rees, Summit Fertilizers
Sandy Alexander, Summit Fertilizers
Frank D'Emden, Precision Agronomics Australia
Stephen Davies, Department of Agriculture and Food
Breanne Best, Department of Agriculture and Food
Louise Barton, University of Western Australia
Klaus Butterbach-Bahl, Karlsruhe Institute of Technology, Institute for Meteorology & Climate Research, Garmisch-Partenkirchen, Germany
Ralph Kiese, Karlsruhe Institute of Technology, Institute for Meteorology & Climate Research, Garmisch-Partenkirchen, Germany
Daniel Murphy, University of Western Australia
Peter Newman, Department of Agriculture and Food
Roger Mandel, Curtin University
Roger Lawes, CSIRO
Michael Robertson, CSIRO
Derk Bakker, Department of Agriculture and Food
Jeremy Lemon, Department of Agriculture and Food
Alison Lacey, Department of Agriculture and Food
John Paul Collins, Department of Agriculture and Food
Glen Riethmuller, Department of Agriculture and Food
Fiona H. Evans, Department of Agriculture and Food
David Stephens, Department of Agriculture and Food
Caroline Peek, Department of Agriculture and Food
Tim Scanlon, Department of Agriculture and Food

Document Type

Conference Proceeding

Publisher

Department of Agriculture and Food

City

Perth

Publication Date

23-2-2011

Keywords

Balance®, soil biological fertility, AMF, SOM, rhizosphere, wheat, soil potassium supply, plant growth, shoot:root ratio, potassium uptake, yield components, harvest, rotary spading, mouldboard ploughing, crop nutrition, Biological nitrogen fixation, crop residue, emission factor, IPCC methodology, Soil inversion, wild radish, annual ryegrass, grain yield, PA, variability, variable rate application (VRA), technology, large returns, Strip trials, yield mapping Seasonal rainfall forecast, seasonal variability, SSF, Climate change, yield trends, technology, productivity, Yield Prophet, decision, season, consultant, soils

Abstract

This session covers sixteen papers from different authors:

Nutrition

1. Balance® used in conventional cropping practice with half of the upfront fertiliser rate can sustain crop yield and build soil biological fertility, Deb Archdeacon1, Andrew Gulliver2 and David Cullen2, 1Agronomica, Wellington Mill, WA, 2Custom Composts, Nambeelup, WA

2. Effects of potassium (K) supply on plant growth, potassium uptake and grain Yield in wheat grown in grey sand, Qifu Ma1, Richard Bell1, Ross Brennan2 and Craig Scanlan2, 1School of Environmental Science, Murdoch University, 2Department of Agriculture and Food

3. Improving fertiliser management: redefining the relationship between soil tests and crop responses for wheat in WA, Wen Chen1, 2, Ross Brennan2, Geoff Anderson2, Richard Bell1 and Mike Bolland2, 1School of Environmental Science, Murdoch University, 2Department of Agriculture and Food

4. Improved phosphorus and potassium management: redefining the soil test and lupin response relationships in WA, Wen Chen1, 2, Ross Brennan2, Geoff Anderson2, Richard Bell1 and Mike Bolland2, 1School of Environmental Science, Murdoch University, Western Australia, 2Department of Agriculture and Food

5. Converting phosphorus retention index (PRI) to phosphorus buffering index (PBI) for Western Australian soils, Peter Rees and Sandy Alexander, Summit Fertilizers

6. Variability of radiometric potassium and Colwell potassium relationships across the Great Southern, Frank D’Emden, Precision Agronomics Australia

7. Rotary spading and mouldboard ploughing of water-repellent sandplain soils fulfils promise, Stephen Davies, Craig Scanlan and Breanne Best, Department of Agriculture and Food

8. Soil nitrous oxide (N2O) fluxes are low from a grain legume crop grown in a semi-arid climate Louise Barton1, Klaus Butterbach-Bahl2, Ralph Kiese2 and Daniel Murphy1, 1 School of Earth & Environment, University of Western Australia, 2 Karlsruhe Institute of Technology, Institute for Meteorology & Climate Research, Garmisch-Partenkirchen, Germany,

9. Mouldboard ploughing of sandplain soils – more grain, fewer weeds, Peter Newman Department of Agriculture and Food

Precision Agriculture

10.What’s preventing growers from implementing precision agriculture (PA)? Roger Mandel1, Roger Lawes2 and Michael Robertson2, 1Curtin University, 2CSIRO

11. On how many paddocks does precision agriculture (PA) deliver a return? Roger Lawes1, Michael Robertson1 and Roger Mandel2, 1CSIRO Ecosystem Sciences, Floreat, WA, 2Curtin University

12. Demonstration pf precision agriculture (PA) principles in the Great Southern, Western Australia, Derk Bakker1, Jeremy Lemon1, Alison Lacey1, John Paul Collins1, Roger Mandel2, Frank D’Emden3, Glen Riethmuller1, 1Department of Agriculture and Food, 2Curtin University, 3Precision Agronomics Australia

Climate and Forecasting

13. Statistical seasonal rainfall forecasts for south west Australia, Fiona H Evans Department of Agriculture of Food

14. How has changing climate recently affected Western Australia’s capacity to increase crop productivity and water use efficiency? David Stephens, Department of Agriculture and Food

15. Is Yield Prophet® a useful tool in Western Australia? — an agribusiness perspective, Caroline Peek, Department of Agriculture and Food

16. A season of Yield Prophet® — how it saw the dry, Tim Scanlon and Caroline Peek Department of Agriculture of Food

Comments

Please cite papers individually

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