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Catalogue: GRDC Updates
The practice has corrected surface acidity but values of subsurface (typically 10-20 cm) pHCa< 4.5 are now common, leading to development of an acid throttle, sandwiched between the limed surface and the naturally neutral or alkaline subsoil... On the basis of three experiments in 2007, where we injected lime into acid (pHCa 4.0 - 4.3) subsurface layers, apparently not much... The uniformity of the effect of lime injection was measured at Milvale and found to be uneven across the rip-lines, with an increase of pHCa from 4.3 to >6 in the rip lines, but little change between the rips...
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Catalogue: GRDC Media
Soil testing with rake and boot.. Research is updating 'critical soil test values' which is improving interpretation of soil test results and helping Western Australian grain growers make better fertiliser decisions... Findings from crop nutrition research and guidelines to help growers conduct soil testing and apply fertiliser effectively are outlined in a Soil Testing for Crop Nutrition Fact Sheet and More Profit from Crop Nutrition Ground Cover Supplement...
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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: GRDC Publications
94 Average percentage of crop area where plant-available water was assessed through the crop period in 2011 (map) ........................................................................................................................................ TABLE 72 Average percentage of crop area where plant-available water was assessed at planting.. FIGURE 116 Average percentage of crop area where plantavailable water was assessed through the crop period in 2011..
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Catalogue: GRDC Updates
Herbicide resistance - Beating the challenge in Western Australia.. Contact details Rod Messina rodmess@springparkfarms.com.au < Keep browsing 0 Responses to Herbicide resistance - Beating the challenge in Western Australia.. Log in or register to leave a comment...
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Catalogue: Online Farm Trials
Determining economic rates and incorporation methods for lime in the Eastern Wheatbelt of WA.. Download the trial report to view additional trial information.. Available water capacity computed for each of the specified depth increments..
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Catalogue: GRDC Media
Partnership to deliver key new grains research in WA.. GRDC chairman Keith Perrett joined the WA Agriculture and Food Minister Ken Baston at the Dowerin GWN Machinery Field Days today to make the announcement... From left, DAFWA project manager for grain crop agronomy Ben Curtis, left, DAFWA acting executive director for grains industry Mark Sweetingham, GRDC western regional panel chairman Peter Roberts, WA Agriculture and Food Minister Ken Baston, GRDC chairman Keith Perrett, GRDC chairman-elect Richard Clark, GRDC board member Kim Halberd and GRDC managing director John Harvey...
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Catalogue: GRDC Media
A lime calculator released by the Liebe Group, produced with funding from the Grains Research and Development Corporation (GRDC), can help determine the appropriate quantity and costs of lime (including incorporation methods) needed to address specific soil pH conditions... Another useful tool is the Lime Comparison Calculator, available at www.soilquality.org.au/calculators/lime_comparison on the Soil Quality website, which is supported by the GRDC Soil Biology Initiative II and Wheatbelt Natural Resource Management... The calculator can help growers compare the effectiveness of different lime products, which can be sourced from many places and have different characteristics...
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Catalogue: GRDC Updates
When we examine just the top 25 per cent of farmers we see that they still have a large variability in their returns in individual years... The highlighted results in Table 1 show the years in which these businesses generated exceptional returns... We have used an ROC of greater than 10 per cent as a measure of this...
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Catalogue: Ground Cover
A match made in canola heaven.. In the first series we look at how growers and researchers teamed up to turn canola into one of the mainstays of today's cropping system... "Over a decade of experiments, our team demonstrated the rotational benefit of canola, and growers saw that while it could be expensive and tricky to grow, it was profitable if you took a two-year view," he says...
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