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Catalogue: Ground Cover
Vary your nitrogen for best results in the Mallee.. Using a combination of field trials and simulation modelling, we tested the theory that it would be profitable and better for risk management to zone according to responsiveness to nitrogen," Dr Llewellyn says... With the continuing increases in no-till farming, more focus is required on nitrogen levels, as the soil bacteria and fungi that break down stubble compete with crop plants for nitrogen, which reduces the nitrogen available to the plant...
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Catalogue: Ground Cover
Growers who have planted back-to-back lentils or tight lentil rotations this season are urged to monitor crops closely for ascochyta blight during August, particularly if a wet winter prevails... SARDI senior pulse pathologist Dr Jenny Davidson says if growers observe symptoms of ascochyta blight in PBA Hurricane XT and PBA Jumbo2 , they should send leaf samples to SARDI... "In high-risk areas such as the Yorke Peninsula, those growing susceptible to moderately susceptible varieties such as PBA Flash and Nipper need to do a vegetative spray if ascochyta blight is present in order to hold the disease back...
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Catalogue: Ground Cover
Consistent seed control needed to combat ryegrass.. Dr Preston says while herbicide resistance is widespread across Australia, a three-year trial by the University of Adelaide at Roseworthy, in SA's mid-north, found strategic use of oaten hay was the best tool for rapidly reducing the seedbank of annual ryegrass... Dr Preston says growers need to be cautious in chemical use because resistance to Select is on the increase in SA, which is a major concern given the herbicide's importance for providing effective control of ryegrass in pulse and canola break crops...
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