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subsoil salinity

Catalogue: GRDC Updates (South)
Goondiwindi Grains Research Update 2006 28 thFeb & 1 stMarch 2006 100 80 60 ) 40 % 20 ( y0 t 0 i 0 100 200 300 0 100 2 0 300 r e Bravo-Quadris Folicur v e100 s e 80 s a 60 e s 40 i D 20 0 0 100 200 300 0 100 200 300 Headline Quadris Volume (L/ha) Ascochyta disease severity on Yuma (fern leaf type - Kabuli) with four fungicides and three carrier volumes @ 2.75 bar... Overall, Hotshot @ 500 mL/ha is compatible with Topik 240EC @ 85 mL/ha, with no reduction in control of wild oats... In summary The work we have undertaken over the past five years conforms to the UK/Western European production systems when grown under irrigated conditions in Australia...
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Catalogue: GRDC Updates (North)
Goondiwindi Grains Research Update 2006 28 thFeb & 1 stMarch 2006 100 80 60 ) 40 % 20 ( y0 t 0 i 0 100 200 300 0 100 200 30 r e Bravo-Quadris Folicur v e100 s e 80 s a 60 e s 40 i D 20 0 0 100 200 300 0 100 200 300 Headline Quadris Volume (L/ha) Ascochyta disease severity on Yuma (fern leaf type - Kabuli) with four fungicides and three carrier volumes @ 2.75 bar... Overall, Hotshot @ 500 mL/ha is compatible with Topik 240EC @ 85 mL/ha, with no reduction in control of wild oats... In summary The work we have undertaken over the past five years conforms to the UK/Western European production systems when grown under irrigated conditions in Australia...
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Catalogue: GRDC Updates (South)
Topic Crown rot: Inoculum loads going into 2006; rotation strategies and impacts; Precision row placement to aid crown-rot management... Driftability of amine formulations The 2,4- D products Surpass and Amicide 625 which were used in the trial are considered to be nonvolatile any drift that is associated with these products will be droplet drift not vapour drift... Fungicides as foliar, seed or fertiliser treatments will play a role in the integrated management of this disease until new varieties with improved resistance become available...
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Catalogue: GRDC Final Reports
The rationale for the project was an increasing awareness that subsoil salinity is an underlying constraint to cereal production in many regions of southern Australia... Growers will have access to salt-tolerant cultivars of wheat and barley that will enable them to make more informed choices to improve the productivity and reliability of crop yields in salt-affected land... The three general mechanisms of salt tolerance in wheat and barley are the exclusion of salt, the tolerance of high internal salt concentrations in leaves ("tissue tolerance") and the tolerance of high external salt concentrations in the soil ("osmotic stress tolerance")...
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Catalogue: GRDC Final Reports
Results from the work showed that yields on the sodic soil at the MEF were correlated with yields on the saline soil at Ballidu... The work of Setter and Waters, and our confirmation of the themes of their work, show that all cereals have innate variation in their salt tolerance/sensitivity, and this variation needs to be better understood so that these plants can be located into the most appropriate landscapes, achieving better immediate results for growers... Results from the project suggest that cereal yields on millions of hectares of sodic land across southern Australia are affected by subsoil salinity...
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Catalogue: GRDC Final Reports
The aim of the study was to evaluate the impact of subsurface (below plough layer) and subsoil (B horizon) constraints on the performance of canola... The inclusion of canola in the cropping rotation underpinned unprecedented wheat yield improvements in many areas during the 1990s... Canola was generally considered more sensitive than wheat to hardpans, water logging and soil acidity but less sensitive to salinity and boron toxicity, although no comprehensive studies have been carried out to confirm these observations...
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Catalogue: GRDC Final Reports
The aim of the study was to evaluate the impact of subsurface (below plough layer) and subsoil (B horizon) constraints on the performance of canola... The inclusion of canola in the cropping rotation underpinned unprecedented wheat yield improvements in many areas during the 1990s... Canola was generally considered more sensitive than wheat to hardpans, water logging and soil acidity but less sensitive to salinity and boron toxicity, although no comprehensive studies have been carried out to confirm these observations...
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