Farmer's survey

This project will compare the paddock management practices of growers using pasture phases with growers that have little rotational diversity and correlating paddock management practices with the weed seed bank size in the WA wheatbelt. Seedbank evaluation on these selected farms will quantify the effectiveness of disruptive pasture phases in achieving low weed seed banks.

This survey is part from a 3-year project aiming to achieve the following objectives:
Overall objective: Reduce the impact of weeds on grain yield as well as their associated control costs through the use and appropriate management of annual serradella pasture phases in the areas where serradella is adapted.

Key objectives:
•  Demonstrate to industry that weed management strategies can be employed effectively in the serradella pasture phase to eliminate weed seed set.
•  Demonstrate to industry the effectiveness and economics of disruptive serradella pasture phases in reducing weed impact on the overall grain cropping system.
•  Deliver information to growers and advisers on the impact of serradella phase pastures as part of an overall Integrated Weed Management system.
•  Australian grain growers will use annual serradella pasture phases to reduce the weed burden in the cropping phase and increase overall whole farm profitability.
 

Yaseen Khalil, PhD
Research Associate
School of Agriculture and Environment / Australian Herbicide Resistance Initiative (AHRI)  •  M086, Perth WA 6009 Australia
Mobile: +61 449 880 461  •  E-mail: yaseen.khalil@uwa.edu.au

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* 1. Farmer’s name

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* 2. Contact details

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* 3. Farm address if different than the mentioned before. 

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* 4. Please provide directions (share location) to the paddock you are providing details about in your answers for future soil sampling.

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* 5. Farm size (ha)

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* 6. Average annual rainfall (mm)

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* 7. Growing season rainfall (mm)

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* 8. Pasture proportion (%)

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* 9. Pasture phase length (year)

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* 10. Serradella area (ha)

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* 11. Farming system (farming enterprises)

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* 12. What proportion of your cropping land has a herbicide resistant weed population? What herbicides are weed resistant to?

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* 13. What are your perceived benefits of legume pasture phases?

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* 14. Do you use serradella? Why/why not?

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* 15. Is serradella a high or low input pasture?

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* 16. What pasture species/variety are you using?

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* 17. Do you grow mixture of different species/varieties in your pasture phase?

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* 18. Source of your pasture seeds

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* 19. What is your serradella/pasture sowing rate?

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* 20. What is your serradella/pasture row spacing?

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* 21. What is your serradella/Pasture time of sowing?

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* 22. How often are you sowing your pasture phase?

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* 23. What method of sowing do you using for your pasture?

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* 24. What is your fertilization for your pasture?

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* 25. What weed problems do you have in your cropping phase?

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* 26. What weed problems do you have in your pasture phase?

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* 27. How do you plan to use serradella in the future?

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* 28. What was your past six-year paddock rotation and what weed management techniques did you use in each year?

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* 29. What is your future planned six-year paddock rotation and what weed management techniques will you be using in each year?

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* 30. Non-herbicidal weed control tactics used to lower the weed seed bank. Tick the ones you are using.

  Wheat Barley Canola Lupins Peas Oats Others
Harrington Seed Destructor or other seed impact mill
Narrow windrow burning
Chaff lining
Chaff tramlining
Chaff cart
Bale-direct
Delayed seeding
Cultivation (fallow)
Green manuring
Brown manuring
Silage production
Silage + Spray
Swathing
Swathing + Spray
Hay production
Hay + Spray
Mowing
Mowing + Spray
Bury weed seed (moldboard ploughing)

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* 31. What knock-down herbicide(s) do you use in your copping phases? What is the application rate and time? What weeds do you target by this?

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* 32. What pre-emergent herbicide(s) do you use in your copping phases? What is the application rate and time? What weeds do you target by this?

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* 33. What post-emergent herbicide(s) do you use in your copping phases? What is the application rate and time? What weeds do you target by this?

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* 34. In the pasture phase, what practices (green manuring, silage, hay, mowing+spray, spray-topping, brown manuring, ..) do you use to control weeds? What weeds  do you target and how effective are they against weeds?

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* 35. What knock-down herbicide(s) (with or without autumn tickle) do you use in your pasture phases? What is the application rate and time? What weeds do you target by this?

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* 36. Do you do any pre-emergence herbicide application for your pastures? If yes, what is the herbicide, application rate, application time you use? What weeds are you targeting?

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* 37. What post-emergent herbicide do you use for your pastures and what is the herbicide, application rate, application time do you use? What weeds are you targeting?

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* 38. Do you kill pastures early for weed control purposes? If yes, please provide details.

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* 39. Do you use weed wiper? If yes, please provide details.

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* 40. In addition to the practices mentioned above, do you use grazing as a mean for weed control? If yes, how effective is it in controlling weeds? What weeds do you target? What Dry Sheep Equivalent (DSE) values do you have and for how long do you graze? What breed, density and timing do you use to graze?

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* 41. What are the two most common weeds in your serradella (pasture phase)?

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* 42. What constraint(s) most limit your serradella (pasture phase) production?

 
Weeds
Diseases
Insects
Nematodes
Herbicide residues
Seed price

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* 43. How have your weeds changed (herbicide resistance, species shift, early/late flowering, early/late emergence ...) over the years?

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* 44. Across your farming system, which weed species are you concerned about the most?

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* 45. If you could get 100% weed control in serradella, what is the maximum length of serredella phase that you would use to drive down weed seed banks?

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* 46. What would be the most beneficial part(s) of a short term serredella phases?

 
Nitrogen
Nematodes
Weeds
Disease break
Rotation benefits
Yield

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* 47. What sort of yield response (% increase) would you need to see after a 1-year, 2-year, and 3-year serredella phase to adapt short term phases?

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* 48. Any additional thoughts or ideas.

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