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Green on green case study: Precision weed management
Precision weed management is where optical sensors and remote and sensor weed mapping systems are used to target weeds and therefore cut herbicide costs. The technology is becoming more widely available, which is why GRDC is investing in a series of case studies, to explore the benefits and costs related to these technologies. With green on brown systems, weeds can be detected in a fallow field. And now there's also green on green technology, which uses an algorithm to differentiate between weeds and crops. Tim Rethus operates a zero till cropping business in Horsham in Victoria's Wimmera region. Tim's invested in both green on brown and green on green technology. We caught up with Tim to find out more about his decision to integrate these systems into his farming practices, and whether he thinks the return on investment has been worth it. Contact: Tim Rethus, Grower [email protected] More in Precision weed management series: Video, Green on green case study Podcast, Green on brown case study Video, Green on brown case study Podcast, Drone weed mapping case study Video, Drone weed mapping case study Project Investment Code: SRE2310-001SAX Learn more about your ad choices. Visit megaphone.fm/adchoices
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18:35
Strategies to manage turnip yellows virus
In Australian canola crops, turnip yellows virus is the one of the most widespread and economically damaging viruses, and over the past decade, epidemics have commonly occurred in different regions causing considerable losses.  Turnip yellows virus is particularly challenging to manage because it is transmitted by green peach aphid and needs just a few aphids per plant to cause substantial spread. A GRDC investment led by the Department of Primary Industries and Regional Development in Western Australia has been looking at management options and developed new data and guidelines around seed treatments and foliar insecticides. In this episode, we’re joined by senior research scientist Ben Congdon to find out more. Contact: Ben Congdon, DPIRD [email protected] More information: Turnip yellows virus and its vector, the green peach aphid, in canola: the 2024 epidemic in southern New South Wales and management options Green peach aphid - best management practice guide Project Codes: DAW2305-003RTX Learn more about your ad choices. Visit megaphone.fm/adchoices
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14:41
GRDC in Conversation: Callum Wesley
In this episode of GRDC In Conversation, host Oli Le Lievre sits down with Callum Wesley, a third-generation farmer from Southern Cross, WA. They discuss Callum’s innovative approach to farming in a low-rainfall zone and his journey collaborating with researchers that has led to a nationwide research project which could revolutionise seeding strategies for dryland farmers across Australia. Callum shares his journey from working in agricultural research to returning home and implementing cutting-edge techniques that maximise water use efficiency and improve productivity in challenging conditions. More information GRDC in Conversation is a limited series GRDC Podcast. It features in-depth interviews with growers and other experts in the grains industry who share their expertise, knowledge and experiences by exploring their personal stories, history, influences and motivations. The views expressed in this podcast are solely those of the interviewee and do not necessarily reflect the views of GRDC, the interviewees’ employer, institution or other associated parties. GRDC Project Code: HAG2308-001SAX Learn more about your ad choices. Visit megaphone.fm/adchoices
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45:31
Sandy soils: What next?
GRDC, CSIRO and University of South Australia have done a lot of work on how to deal with the sandy soil situation. Hot off the back of a huge investment, culminating in a series of workshops in 2023, they're scaling up, taking the machines and expertise to more than 20 farms across the southern region. It's a project with a great deal of grower involvement and targeted to making that sandy stuff work for growers, not against them. In this podcast we speak to CSIRO research team leader, Therese McBeath and South Australian grower Andrew Thomas. Contact: Therese McBeath, CSIRO [email protected] More Information: Practical guidelines for sustained productivity in sandy soils Project Investment Code: CSP2403-017RTX Learn more about your ad choices. Visit megaphone.fm/adchoices
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16:25
Audrey Delahunty: 2025 Emerging Leader award – South
A passion for pulses and in particular a love of lentils has inspired the career of research scientist Dr Audrey Delahunty. Growers are already benefiting from Dr Delahunty’s research into genetic solutions for heat tolerance in lentils, and now she's extending into frost quality technology and other pulses. Meantime, Dr Delahunty is also the recipient of this year’s GRDC “Emerging Leader Award” in the South. Contact: Dr Audrey Delahunty [email protected] More Information: Victorian agronomist and scientist each win grains award GRDC awards Learn more about your ad choices. Visit megaphone.fm/adchoices
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10:58