Microcomputer Based Data Acquisition for a Tractor-mounted Penetrometer

Agricultural Engineerin

Crop Updates 2011 - Weeds

This session covers twelve papers from different authors: 1. Herbicides for selective spot spraying application on winter weeds in chemical fallow, Grant Thompson, Landmark/Crop Circle Consulting, Geraldton 2. Management of emerging weeds within the Western Australian wheatbelt, Abul Hashem and Catherine Borger Department of Agriculture and Food 3. Integrated Weed Management (IWM) – it’s all about early sowing of a big crop, Peter Newman, Department of Agriculture and Food 4. Increased water rates improve the performance of trifluralin in minimum tillage systems, Catherine Borger1, Mike Ashworth2, Glen Riethmuller1, David Minkey2, Abul Hashem1, Department of Agriculture and Food1, Western Australian No-Tillage Farmers’ Association2 5. Herbicide tolerance of new albus lupin WALAB2014 similar to or better than Andromeda, Harmohinder Dhammu and David Nicholson, Department of Agriculture and Food 6. Pesticide application and spray drift management: recent developments, Nicholas Woods, On behalf of the National Working Party on Pesticide Application (NWPPA) 7. Herbicide tolerance of new desi chickpea varieties, Harmohinder Dhammu and David Nicholson, Department of Agriculture and Food 8. Herbicide tolerance of oat varieties, Harmohinder Dhammu, Department of Agriculture and Food 9. The case for seeking registration of metribuzin pre-seeding of lupins, Peter Newman, Department of Agriculture and Food 10. Direct harvesting canola with desiccation or swathing to reduce ryegrass seed set, Glen Riethmuller, Abul Hashem and Catherine Borger, Department of Agriculture and Food 11. Herbicides for selective spot spraying application on summer weeds, Grant Thompson, Landmark/Crop Circle Consulting, Geraldton 12. Development of the Harrington Seed Destructor, Michael Walsh1 and Ray Harrington2, 1Australian Herbicide Resistance Initiative, University of Western Australia, 2Farmer, Darka

Crop Updates 2010 - Weeds

This session covers eighteen papers from different authors: Herbicides 1. Herbicide control of slender iceplant, Lorinda Hunt, and Andrew Blake Department of Agriculture and Food 2. Herbicide tolerance of saltbush and bluebush, Lorinda Hunt, and Andrew Blake Department of Agriculture and Food 3. Chemical control of windmill grass, Catherine Borger, Glen Riethmuller and Abul Hashem, Department of Agriculture and Food 4. Use high water rates when applying pre-seeding herbicides to fields with high stubble density, Catherine Borger and Abul Hashem, Department of Agriculture and Food 5. Herbicide tolerance of lupins – influence of soil type and rainfall, Harmohinder Dhammu and David Nicholson, Department of Agriculture and Food 6. Response of new barley varieties to herbicides, Harmohinder Dhammu, Vince Lambert and Russell Quartermaine, Department of Agriculture and Food 7. Herbicide tolerance of new wheat varieties, Harmohinder Dhammu and David Nicholson, Department of Agriculture and Food Herbicide Resistance 8. Use of below label rate can lead to evolution of herbicide resistant weeds, Roberto Busi , Todd Gaines, Sudheesh Manalil and Stephen Powles, Western Australian Herbicide Resistance Initiative, School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia 9. Herbicide mixtures can effectively kill herbicide-resistant weeds, Aik Cheam and Siew Lee, Department of Agriculture and Food 10. Selective spray-topping: Does it abort seed production of herbicide-resistant radish? Aik Cheam and Siew Lee, Department of Agriculture and Food 11. The search for a new lupin herbicide, Peter Newman, Department of Agriculture and Food Integrated Weed Management 12. Colonisation of agricultural regions in Western Australia by flaxleaf fleabane, Catherine Borger, Greg Doncon and Abul Hashem, Department of Agriculture and Food 13. Weed suppression by crop competition in barley, canola and wheat, Abul Hashem and Catherine Borger, Department of Agriculture and Food 14. Mouldboard plough continues to kick goals, Peter Newman and Dr Steve Davies, Department of Agriculture and Food 15. The answer my friend is to burn in light wind, Peter Newman, Department of Agriculture and Food, and Michael Walsh, Weeds Researcher, University of Melbourne 16. Using image analysis to detect three-horned bedstraw seed in grain samples, John Moore, Department of Agriculture and Food, Murray Gillespie, Lygil Holdings, Albany 17. Can we manage brome and barley grass in cereals? Sally Peltzer, Abul Hashem and Alex Douglas, Department of Agriculture and Food 18. Control of mature fleabane, Sally Peltzer, Department of Agriculture and Foo

Crop Updates - 2003 Oilseeds

This session covers fifteen papers from different authors ACKNOWLEDGMENTS VARIETIES Large scale canola varietal evaluation in WA, Peter Nelson, Oilseeds WA Performance of IT and TT canola varieties in the medium and high rainfall agzones of WA 2001-02, Graham Walton, Hasan Zaheer and Paul Carmody, Department of Agriculture QUALITY Reproductive biology, cotyledon development and oil accumulation in canola, J.A. Fortescue and D.W. Turner, School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia Plant and environmental factors affecting oil concentration in canola – a mini-review, D.W. Turner, School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia Potential benefits from interspecific crosses between canola and ‘near canola’ quality Indian mustard, Janet Wroth, School of Plant Biology, The University of Western Australia (UWA), Wallace Cowling, School of Plant Biology, UWA and CBWA Pty Ltd, Anh-Van Pham, School of Mathematics and Statistics, UWA NUTRITION, AGRONOMY AND MACHINERY Timing of nitrogen application for producing canola grain and oil, R. F. Brennan, Department of Agriculture Managing canola for soil type and moisture stress, Paul Carmody and Hasan Zaheer Department of Agriculture Machinery lessons from 2002 – canola establishment, Glen Riethmuller, Greg Hamilton and Jo Hawksley, Department of Agriculture Machinery lessons from 2002 – harvesting short crops, Glen Riethmuller, Department of Agriculture Does increasing canola seeding rate reduce the competitiveness of grass weeds? Zaicou-Kunesch, C.M., Zaheer, S.H. and Eksteen, D, Department of Agriculture PESTS AND DISEASES Aphid damage to canola – not all cultivars are equal, Françoise A. Berlandier and Christiaan Valentine, Department of Agriculture Should we be worried about developing insecticide resistance in aphids? Owain Edwards, CSIRO Entomology Benefits provided by treating canola seed with imidacloprid seed dressing, Roger Jones, Brenda Coutts, Lisa Smith and Jenny Hawkes, Department of Agriculture, and Centre for Legumes in Mediterranean Agriculture Blackleg levels in canola in 2002, Ravjit Khangura1, Moin Salam1, Art J Diggle1 and Martin J Barbetti1,2 1Department of Agriculture, 2University of Western Australia DBM in canola, Kevin Walden, Department of Agricultur

Crop Updates 2011 - Nutrition, Precision Agriculture & Climate and Forecasting

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 Foo