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Author: Dr Sue Knights

56 results found:
  • Prize to test novel frost intervention feasibility
    Prize to test novel frost intervention feasibility
    Author: Dr Sue Knights, 13 May 2022

    Mitigating frost in cropping systems is complex, but there may be a new tool available in the future through some creative thinking on behalf of two young scientists. Jaco Zandberg and Samantha Harvie from the University of Western Australia are investigating a novel way to disrupt the action of ice nucleating bacteria. The proof-of-concept study is being supported by a Federal Government’s Department of Agriculture, Water and the Environment 2022 Science and Innovation Award won by Mr Zandberg and provided by GRDC.

  • Frost physiology knowledge base grows
    Frost physiology knowledge base grows
    Author: Dr Sue Knights, 11 May 2022

    GRDC takes a multi-pronged approach to supporting Australian growers in the crop production decisions they make. Training scientists for the future is key to its capacity building agenda and an example is Mr Brenton Leske, who since completing his PhD at the University of Western Australia, embedded in the GRDC’s former National Frost Initiative investment and supported through DPIRD’s postgraduate scholarship program, has now returned to DPIRD to co-lead the frost research, developing frost management knowledge and tools for growers.

  • Innovators turn straw into renewable ammonia
    Innovators turn straw into renewable ammonia
    Author: Dr Sue Knights, 10 May 2022

    Increasing fertiliser prices and lack of security of supply, together with a need to use more sustainable resources, have been the catalyst for two innovative companies to consider ways to produce hydrogen from crop straw. HydGene Renewables and Wildfire Energy have been supported by the Australian Government’s Business Research and Innovation Initiative to develop their proof-of-concept technologies that have the potential to be used on-farm, in sustainable circular economies.

  • New knowledge to tap residual soil phosphorus
    New knowledge to tap residual soil phosphorus
    Author: Dr Sue Knights, 21 Apr 2022

    The potential for Western Australian growers to access legacy phosphorus – residual phosphorus from years of fertiliser application– is being investigated by Dr Gustavo Boitt. Through enhanced understanding of soil phosphorus dynamics and the effects of crop sequences, Dr Boitt is quantifying various chemical and microbial processes contributing to soil phosphorus availability.

  • Mineral mulch – a new moisture-saving frontier
    Mineral mulch – a new moisture-saving frontier
    Author: Dr Sue Knights, 04 Apr 2022

    A flood in 2017 that saw sand deposited across Peter Daw’s cropping country at Ravensthorpe turned into a learning experience with longer-term benefits. Peter spread that sand more evenly and the crops yielded much better than average, he has now extended his mineral mulching to gravels with similar gains in yield.

  • Exploring the science of mineral mulch
    Exploring the science of mineral mulch
    Author: Dr Sue Knights, 01 Apr 2022

    The potential of mineral mulches to reduce evaporation and increase crop yield on heavy sodic soils is being explored in a project lead by the Department of Primary Industries and Regional Development at Esperance. Initial field studies using gravel mulches have shown yield increases and glasshouse studies have demonstrated a reduction in evaporation when gravel mulch is applied. The work is ongoing.

  • Metrics to help manage irrigated canola
    Metrics to help manage irrigated canola
    Author: Dr Sue Knights, 28 Mar 2022

    Unique risks and challenges are faced producing canola under irrigation but research by Field Applied Research, Australia aims to provide metrics for key agronomic measures as benchmarks to assist growers to better manage irrigated canola.

  • Dual-purpose canola: from inspiration to impact
    Dual-purpose canola: from inspiration to impact
    Author: Dr Sue Knights, 21 Mar 2022

    A CSIRO impact assessment case study has determined that dual-purpose canola is now adopted on approximately 200,000 hectares and increasing across all southern states, with impact on profitability, sustainability and resilience and an estimated value since 2007 of $1 billion to date – growing at $200 million per annum. This impressive impact is the result of 17 years work by a committed research team involving CSIRO, growers and advisers and in late 2021 the team was recognised with the Sir Ian McLennan Impact for Science and Engineering Medal.

  • Field-based lime 'fizz test’ fine-tuned
    Field-based lime 'fizz test’ fine-tuned
    Author: Dr Sue Knights, 15 Mar 2022

    Incorporating portable technologies, not yet in use in agriculture, to provide rapid in-field lime tests has been evaluated by professional services company, GHD. Two promising technologies were identified but did not provide a rapid assessment as extensive manipulation of the data was still required. With advancements over time, the technologies are expected to become more efficient. Meanwhile, modifications to the popular lime ‘fizz test’ have been identified to make it more robust and cost-effective for growers.

  • Canola record offers broad lessons
    Canola record offers broad lessons
    Author: Dr Sue Knights, 13 Mar 2022

    Although producing a 7.16-tonne-per-hectare canola crop may be unattainable for many growers, the keys to its success are relevant for all looking to improve canola productivity.

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