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2020 Autumn - Evolving conservation agriculture

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FPJ1701F - Walsh, MJ (2020), Meeting the weed control challenge in Australia’s future conservation cropping systems

FPJ1701F - Walsh, MJ (2020), Meeting the weed control challenge in Australia’s future conservation cropping systems, in Farm Policy Journal, vol. 17, no. 1, Autumn 2020, pp. 44-52, Surry Hills, Australia.

The adoption of conservation cropping has improved the sustainability as well as productivity of Australian crop production systems by increased soil moisture conservation and better soil health. Herbicide reliance in these production systems has, unfortunately, led to the widespread evolution of herbicide resistant weed populations that now occur in high frequencies throughout all cropping regions. Despite this, the need for conserving crop residues will be increasingly critical as changing rainfall patterns place further reliance on soil moisture storage and for effective winter crop production. This weed control challenge will be met by the use of current technological advances enabling in-crop site specific weed control. This approach allows the use of a range of alternative physical weed control technologies to target weeds in cropping systems. As well as more sustainable weed control the site-specific approach of targeting weeds instead of the entire field enables substantial reductions in weed control costs.   


 


 


 

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