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Fraser Valley Cole Crop IPM Newsletter (early May)

Fighting grapevine root diseases with brassica cover crops

This study explored the potential of four brassica cover crops to control soil borne pathogens in a no-till, vineyard setting.Vineyards can suffer significant economic loss due to crop destruction from soil-borne root diseases. This includes fungal trunk diseases found commonly in the Okanagan such…

CAI Guide - Downy mildew in onions (IPM)

Downy mildew is a widespread fungus-like disease in onions and other Alliums. Infections rarely kill onion plants but will cause early leaf dieback and infect the neck of the bulb, making greens unmarketable and reducing bulb size and storage quality.

Effects of highbush blueberry field management on greenhouse gas emissions

Canada is one of the largest producers of blueberries in the world, with 90% of the country’s highbush blueberries grown in British Columbia (BC). As blueberry production grows, there is an increasing need to identify management practices that sustain yield and environmental health long-term. An…

Economic and environmental benefits of reducing nitrogen fertilization in potato fields

This study evaluated the economic and environmental tradeoffs of three nitrogen application rates (0, 90, and 120 kg N per hectare) in potato production.Decades of intensive cultivation, along with challenges caused by inherent soil properties (poor drainage, fine soil textures), in the Fraser…

Improving on-farm climate mitigation and adaptation through stewardship programs

The objective of this research was to quantify the ability of three agricultural stewardship programs to increase on-farm climate mitigation and adaptation, indicated by improvements in soil carbon storage and soil water regulation.The stewardship programs examined in this study have been…