Pasture cropping sensitivity analysis: Selecting crop and pasture species, and management practices for Western Australia

Dean Thomas1, Perry Dolling2, David Ferris2, Andrew Smith3, Phil Ward1

1 CSIRO Agriculture and Food, Private Bag No 5, Wembley, WA, 6913, phil.ward@csiro.au

2 Department of Agriculture and Food WA, PO Box 483, Northam, WA, 6401

3The University of Melbourne, VIC 3010

Abstract

Pasture cropping with tropical grasses has shown promise for several regions in the WA wheat belt. In this research, we modelled the crop yield, pasture yield, and total production for barley and canola crops grown either as monocultures or with kikuyu or Gatton panic, for 5 location in WA. Pasture suppression efficacy was modelled at either 90 or 98%. Kikuyu was particularly competitive, and appears less suitable for pasture cropping than Gatton panic. For barley sown into Gatton panic pasture, yield penalties were generally small, but results were more variable for canola.

Host

The Australian Society of Agronomy is the professional body for agronomists in Australia. It has approximately 500 active members drawn from government, universities, research organisations and the private sector.

Photo Credits

David Marland Photography david_marland@hotmail.com Southern Farming Systems Agriculture Victoria

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