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GRDC Updates (West)

Here you will find the papers presented at the GRDC updates in the Western region

Registered items

Grain yield was unaffected by grazing at four of eleven sites... There is growing interest in the practice of grazing crops in winter... Weed and disease pressure was measured for both grazed and ungrazed areas of each crop (data not presented ), but differences were minor...
GRDC Taxonomy:
On-row seeding enhanced P and K concentrations of wheat plants at early growth stages up to flowering, relative to between-row seeding, when the respective soil-test P and K concentrations were low and/or when MAP fertiliser was not banded at seeding... Mean wheat yields (i.e. average of 2 or 3 MAP fertiliser rates ranging from 0 to 50 or 80 kg ha -1) were: (a) 11-14 per cent lower with on-row seeding at Binnu (where wheat followed wheat in 25 cm rows); (b) 7 per cent higher with on-row seeding at Mullewa (where wheat followed barley in 30 cm rows); and (c) not different at Pindar (where w...
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Grower groups can facilitate information delivery on grain Biosecurity issues and could also have a role in neighbourhood networks to develop regional Biosecurity plans... A survey of WA grain growers was conducted in the last 2 years to determine the level and extent to which growers undertake Biosecurity best practices on their farms... Management practices that growers indicated as being implemented with a high degree of frequency were such activities as inspecting crops (Fig 4), recording seed sources (Fig 5), keeping records of grain movement (Figs 6 and 7) and general farm hygiene pr...
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DR JEFF BALDOCK - CSIRO Land and Water "Options for increasing Soil Carbon content".. MARK SEYMOUR, Department of Agriculture and Food WA "Crop sequence experiments conducted in Western Australia".. CONCURRENTPROGRAM Eight years of IWM smashes ryegrass seed banks by 98% Interaction of glyphosate rate, annual ryegrass growth stage and environmental conditions on the performance of glyphosate for control of annual ryegrass Keeping some Group A (ACCase) herbicides working despite widespread ACCase herbicide resistance...
year 1 )3 a h / t2.5 ( d l e i2 y n i a r1.5 g 1 nil gypsum gypsum rain limited potential 0.5.. Cascade soils after 20 years conductivity profiles EC 0.5 1 1.5.. use 'pre-washed' sodium confirm likely response adsorption ratio to gypsum works in subsoils as well as topsoils gypsum moves to depth rapidly and is effective for many years (not winter grazing) Questions?..
The largest wheat importer in the South Asia region - Indonesia imports about 5.5 million tonnes of wheat per year - approximately 50-55% of that wheat coming from Australia Per capita wheat consumption is low with good scope to grow - flour consumption is approx 17kg per capita - Compared to China 80kg; Japan 47kg; Thailand 30kg or Australia 309kg per capita.. Advantages of Australian Wheat Represents good value and has freight benefits for both consumers and producers Good milling extraction millers can extract more flour from.. Market Visit noodle end uses - Instant Noodles - high volum...
GRDC Taxonomy:
The effect of high yields on soil phosphorous (P), potassium (K), and sulphur (S) is small compared to the effect on soil nitrogen (N)... At least 30% of samples were low in K (< 60 mg/kg) from the shires of Chapman Valley, Greenough, Irwin, Mingenew, Three Springs, Wongan Ballidu, Cunderdin, Brookton, Pingelly, Gnowangerup and eastern parts of Cunderdin... Smart fertiliser decisions will be based on what nutrients are measured in the soil and profitable fertiliser returns depend upon the adequate supply of all plant essential nutrients...
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Less aphids are found flying in crops close to native vegetation.. Native vegetation does not influence the presence of aphid predators.. Aphids can vector viruses that lead to yield loss in crops eg BYDV in cereals can decrease crop yields by 50%if plants are infected prior to tillering; or cause direct feeding damage which can cause yield losses of up to 10% in cereals (DAFWA 2007)...
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KEYMESSAGES Research, development & extension (RD&E) partners need to develop a greater understanding of what grower groups can offer and how they operate, and vice versa... The role of a grower group in a project, and if it is in partnering or outsourcing, should be considered... Outsourcing work to a grower group is not a partnership, and if using groups in this way, for example to run events, survey their members on your behalf or become extensions of project staff, they should be fairly compensated...
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Whilst there is anecdotal evidence to suggest that dry seeding has been widely adopted in Western Australia, especially in the lower rainfall agronomic zones, the extent and management of dry seeding are not well documented, particularly for wheat crops... The aims of the paper are to determine the extent of dry seeding across the agro-ecological zones of the Western Australian Wheatbelt, to uncover the trends of adoption by soil types, rainfall and crop species and to define the management practices and gaps in knowledge around the risks of dry seeding crops in Western Australia... Centra...
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