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Scope to reap rewards from early sowing

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His trials at Dalwallinu, Merredin and Mullewa in 2012 and 2013 demonstrated that some wheat varieties could establish well when sown to a depth of 70-100mm... But establishment across all sites was reduced by between 17 and 61 per cent with deep sowing, compared to establishment from a sowing depth of 50mm (especially in varieties with short coleoptiles and on loamy soil)... At the North Miling site, establishment was similar for shallow (28mm) and 'normal' (52mm) sowing depths, but deep sowing to a depth of 119mm reduced establishment by between 22 and 45 per cent for a range of wheat varieties...