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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... Overall, 60-70 per cent of flour is used in traditional flat breads, 20-25 per cent of flour is used in western style breads and 5-10 per cent is used in cakes and biscuits... In summary, canola varieties sown 2-3 weeks earlier than normal (early to mid April) can be grazed in winter prior to bud elongation (usually providing 600-800 dse grazing days/ha) and recover with no impact on yield or oil...
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Catalogue: Ground Cover
Plan early to bridge the feed gap.. Grazing canola crops that have elongated more than 10 centimetres can delay flowering and impact on yield... The crop on the left was cut hard on 6 August when plants were elongated (producing similar effects to late and heavy grazing), resulting in a significant delay in flowering...
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Catalogue: GRDC Research Summaries
The WA component of Grain & Graze 2 will target locally relevant issues with the longer-term goal of a significant demonstrable increase in water use efficiency (WUE) in mixed crop/livestock systems that improves whole-farm profitability, whole-farm sustainability, and whole farm ground cover, by accelerating the adoption of specific key management practices and technologies... The goal is directly addressed by the four intermediate outcomes of the project, which include: - Improved management of whole-farm biomass - Improved matching of land use..... Most Western Australian farmers have now been exposed to the concept of grazing crops, but many are reluctant to 'put the stock in' for fear of receiving a grain yield penalty...
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Catalogue: GRDC Updates
Figure 1 Delay in flowering associated with grazing or defoliation at different growth stages.. In summary, canola varieties sown 2-3 weeks earlier than normal can be grazed in winter prior to bud elongation (usually providing 600 - 800 dse grazing days/ha) and recover with no impact on yield or oil... We have less experience with grazing of cattle on canola but provision of energy sources as hay or grain is advised to avoid health issues or sub-optimal live-weight gains...
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Catalogue: GRDC Updates (West)
Inter-row weed control in wide row lupin using knockdown-based tank mixes Dr Abul Hashem 1, Ray Fulwood 2and Chris Roberts 3, 1Senior Research Officer, Department of Agriculture and Food, Northam, 2Farmer, Meckering, WA, 3Technical Officer, Department of Agriculture and Food, Northam.. Weed dry matter was reduced (Figure 2) but due to the dry season, only marginal increases in lupin yields compared to the broadcast treatments were realised due to the likely competition for water... Enhancing the depletion of the existing seedbank is just as important as controlling seasonal seed set...
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Catalogue: GRDC Updates
Dual-purpose crops can provide flexibility in sowing time, forage at a key time of the year and in some cases can increase returns from crops... Our research has shown that defoliation of crops can slow early water use (see Fig 4) compared to undefoliated crops... We believe the high yield penalties occurred because the crop had insufficient time to achieve adequate biomass at flowering in order to fully recover grain yield ; this is particularly an issue in the northern region where crops develop very quickly...
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Catalogue: GRDC Updates
Early lock-up enables a crop sufficient time to achieve biomass levels at flowering to fully recover grain yield but lower residual biomass at lock-up can reduce crop recovery during a sensitive window around or shortly after GS30 in cereals and bud visible in canola... We believe there is a 'sensitive' window when the crop may still be grazed but sufficient residual biomass is required to allow the crop to reach its critical biomass or leaf area to achieve potential grain yields... We firstly present some results form an experiment conducted at Greenethorpe, NSW in 2013 where a range of mechanical defoliation intensities (hard cut - 5 cm, moderate cut - 8 cm and 'clip' cutting - removing leaves) and lock-up timings were imposed to explore their impact on yield recovery in a winter and spring wheat and canola...
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Catalogue: Ground Cover
Crop yields in northern Europe could be hit after widespread heavy rain disrupted spraying and caused a resurgence in crop diseases... Record rainfalls have seen cases of septoria in wheat crops surge following several years of the disease being relatively dormant... During April to May, France - Europe's largest wheat-producing country - had 70 per cent more than its usual rainfall for the period, while the UK recorded its wettest April in 100 years, recording 120 millimetres...
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Catalogue: GRDC Updates (West)
P4/S9 and P2/S4 were the two most profitable sequences and, overall, the 'maximum profit - P4' philosophy had the highest mean gross margin... It is logical that those growers that have chosen to have no livestock will have no interest in trialling grazing crops... Overall, the data has indicated that for the biserrula inoculant all of the carrier's have difficulties in carrying enough live rhizobia numbers to adequately nodulate the legume hosts after 3-4 months of dry, hot soil...
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Catalogue: GRDC Updates
Strategies for improving water-use efficiency in western regions through increasing harvest index.. 4. Increase the total proportion of dry matter that is grain i.e. improve harvest index (e.g. early flowering varieties, delayed nitrogen, wider row spacing, low plant densities, minimising losses to disease, high HI varieties such as H45 , Hindmarsh , Wyalkatchem , Espada ).. Harvest index is calculated as the ratio of grain to total dry matter (and is sometimes expressed as a percentage);..
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