Results Driven Agriculture Research (RDAR) has allocated $229,065 to advance water management strategies aimed at reducing fungal root rot in hydroponically grown leafy greens. This initiative is being led by Lethbridge-based greenhouse grower, Whole Leaf.
Whole Leaf faced operational disruptions due to the need for extensive irrigation system cleanings. To address this, they explored the use of ozone as an oxidizing agent to prevent biofilm build-up during regular operations, thereby avoiding costly shutdowns.
The company is now expanding its research to find alternatives to traditional fungicides. This includes optimizing ozone disinfection for recirculating water and utilizing beneficial microorganisms to promote healthy root systems in Controlled Environment Agriculture (CEA) systems.
CEA operations are known for their water conservation benefits and their role in enhancing food security by enabling local produce growth. These systems significantly reduce water usage through minimal evaporation and recirculation. However, waterborne fungal pathogens remain a challenge, and with limited fungicide options, RDAR says innovative solutions like ozone application could be transformative.
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