To assess whether the effects of grazing canola with sheep during the growing season: factors being assessed are yield and quality, dry matter production and grazing value.
Canola provided significant grazing value during the growing season as well as during summer.The varieties tested showed minimal yield penalties from grazing with some varieties showing a positive yield advantage from the grazing operation.Grazing canola crops were able to provide good weed control and will allow the following wheat crop to benefit from this.Grazing canola and cereal crops allows farmers to alter their stocking rate quickly and easily as they progress through the season. This practise will mean in better seasons a much smaller proportion of paddocks will need to be left for stock and more paddocks can be taken through to harvest which will result in a significant increase in farm profitability. In poor seasons there will be less paddocks taken though to harvest which will result in a reduction in grain income, higher sheep grazing losses and lower farm profitability. The overall profitability of grazing cereal crops will depend on the frequency of dry years and good years.Don Nairn finds that grazing cereal crops takes the stress out of running sheep as there is always an option for the farmer when feed runs short (ie he can simply graze another crop). Hopefully this trial gives farmers a better appreciation of where the dollars fall when crops are grazed.
Lead research organisation
Host research organisation
Trial funding source
Trial funding source
Caring for our Country
Thanks to Don Nairn for allowing the trial to take place on his property as well as the many hours involved in recording sheep movements and yield and quality data.Funding for this project is provided by GRDC, in partnership with the Federal Government’s Caring for our Country program as part of Grain & Graze II.
No observed climate data available for this trial. Derived climate data is determined from trial site location and national weather sources.
Site 1, East Binnu WA
NOTE: Exact trial site locality unknown - Climate data may not be accurate
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.
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Trial last modified: 27-06-2019 13:35pm AEST
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