WATCH: iHSD: A Glimpse of the Future (WeedSmart Webinar: Emerging Trends with Technology and Weeds) Read more here.
WATCH: Australian Herbicide Resistance Initiative (AHRI): The iHSD (intergrated Harrington Seed Destructor) has arrived. Read more here.
WATCH: ABC Landline talks to inventor, Ray Harrington, as overseas interest in the IHSD picks up.
An international program based in Germany is researching new herbicides to combat resistant strains of weeds, and an engineering solution conceived by a WA farmer is attracting interest from around the world.
The Harrington Seed Destructor is the culmination of 20 years of development that started with an idea from WA farmer; Ray Harrington.
Ray knew that Australian farmers were fighting a war to eradicate weeds in their cash crops. From the 1970s the introduction of cheap, highly effective herbicides has been the farmer’s main defence against weed infestation, but over the course of time through natural selection, herbicide resistant strains of weeds have become a critical issue in many areas of Australia across all staple crop varieties.
Ray’s idea was brilliantly simple - what if there was a way to reliably destroy weed seeds mechanically during the harvest process? Enter HSD technology: the chaff stream from a combine harvester is intercepted and fed directly into a high speed mill that pulverises the chaff, including weed seeds that would otherwise pass through the harvester and be returned to the field.
Enter the Australian Grains Research and Development Council (GRDC), who understood the importance of Ray’s idea and provided funding and UniSA provided research and development expertise to further develop HSD technology.
In 2016 the first integrated Harrington Seed Destructor was tested on Australian soil- with great success, where up to 99% of weed seeds were pulvarised until no longer viable.
“Improve your weed control. No Burning, No Tilling, No Additional Labour. ”
The Integrated Harrington Seed Destructor – iHSD is a means to control weed seeds by way of mechanical impact trauma to the seed. The iHSD is integrated directly into the chaff stream of a combine harvester providing harvest time weed control and prevents the vast majority of weed seeds from entering the soil seed bank.
The Australian Herbicide Resistance Initiative (AHRI) has determined that the iHSD can destroy 93-99% of the weed seeds that enter them.
The iHSD has major advantages over many traditional weed control methods. iHSD is a modular package that generally requires only minor adjustments to existing harvesting operations:
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