Join us for this UBC Future of Food global dialogue series talk on how optimizing the use of organic amendments an d cover crops can maximize agronomic and environmental benefits with Dr. Ga briel Maltais-Landry.
April 7\, 2017
3:00 pm – 4:00 pmMCML 154\, MacMillan Building\, UBC Vancouv
er campus
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Gabriel Maltais-Land ry is a postdoctoral fellow at UBC ‘s Faculty of Land and Food Systems. He works primarily with the Sustainable Agricultural Landscapes Lab and Centre for Sustainable Food Systems. Dr. Maltais-Landry’s talk will focus on how optimal nutrient management is a critical aspect of sustainable farming sys tems\, where nitrogen (N) and phosphorous (P) must be supplied in sufficien t quantities to maximize crop yields and maintain soil fertility while prev enting over-fertilization that results in environmental degradation. Organi c amendments – manures and composts – and cover crops recycle N and P withi n farming systems\, reducing the use of mineral fertilizers while potential ly lowering nutrient losses to surrounding ecosystems. The aim of Gabriel’s research is to optimize the user f organic amendments and cover crops to m aximize yields and balance eN and P budgets in intense agroecosystems. Usin g several experiments established at the UBC Farm\, several trade-offs were identified among crop productivity\, balanced N and P budgets\, and greenh ouse gas emissions (GHG)\, where treatments with the highest yields resulte d in N and P over-fertilization and higher GHG emissions. In addition\, there was little evidence that cover crops prevent ed wintertime N leaching from occurring\, although cover crops contributed to N cycling nevertheless. Overall\, my research highlights the inherent ch allenges in balancing N and P while maintaining high yields when using orga nic amendments and cover crops as primary sources of fertility in intensive vegetable farming systems.
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This event is part of the UBC Future of Food Glo bal Dialogue Series\, a campus-wide initiative bringing together food security and sustainability experts from across the universi ty and North America to regularly engage the UBC community and the public a round the Global Food System\, including topics such as climate change\, fo od security\, biodiversity\, social justice\, culture\, and policy.< /p>
Find date s and details for upcoming events in the Event Calendar. Follow the discussion with #UBCFutureOfFood on Twitter.
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