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Everything in the food system relies on water. Farming is a significant user of water and contributor to water quality problems, both acute ones associated with spills and more chronic ones, such as excess nutrient runoff into streams from regular farm practices.
Canadian farmers used about 40% less water to irrigate their crops in 2020 compared with two years earlier, mostly due to more rainy conditions in Canada. Most of the irrigated water was used for field or forage crops.
Growing competition for water, land, and other resources, in addition to the uncertain impact of climate change and variability, will place increased stress on agricultural production in Canada and throughout the world.
The biggest need for water in dairy production is for the crops that cows eat. Most of that need is met by rainfall – but rainfall can vary greatly by region, and some farms that get less rain rely more on irrigation.
Mar 31, 2015 · The dairy producer is using the Manure Treatment System developed by Canadian company LWR (Livestock Wastewater Recycling) that extracts clean water from farm waste water and has been recognized for the 3M Environmental Innovation Award for 2014.
- Peter Power
Off-farm water was the most frequently reported source for watering crops in Canada, accounting for two-thirds (68%) of irrigation water. Just over one-quarter of farmers reported on-farm surface water (27%) as a source, followed by on-farm groundwater (3%).
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Yet, the amount of water used by farmers to irrigate crops in 2018 is already equal to the volume of water that typically flows over Niagara Falls over 2 weeks. Climate change will create water stress for agricultural crops and risks of droughts and water shortage, like the severe droughts the Prairies.
