This 2009 photo of alfalfa plots highlights the long-term consequences of neglecting soil phosphorus. The alfalfa in the front of the photo received composted beef cattle manure after years of receiving no phosphorus. The alfalfa at the back of the plot did not receive any additional phosphorus and has suffered dramatically. (Martin Entz photo)

Minogue: Rebalance your fields’ phosphorus bank accounts

Reading Time: 3 minutes While your crop rotations and your seeding practices have evolved into something your grandfather might not recognize, recommended phosphorous guidelines for Manitoba farmers haven’t changed in more than 20 years. Over the past year, Manitoba soil fertility experts came together to fill this gap. John Heard (Manitoba Agriculture, Food and Rural Development), Cindy Grant (Agriculture […] Read more

Can you spot the difference between the two sides of this wheat plot? Probably not, AAFC researchers say. (Environmental Science and Technology)

Wheat in study finds P where soil tests don’t

Reading Time: 2 minutes A long-term yield study in Saskatchewan shows wheat crops will use the phosphorus built up in soils over years of fertilizing — even where soil tests don’t show the nutrient is handy for use. While the results still need to be tested elsewhere, with other crops, the study’s findings may help Canadian farmers rethink how […] Read more


satellite image of 2011 algae bloom on Lake Erie

Working together to find solutions to algal blooms

Yes, farming is part of the Great Lakes pollution story, but let’s get the facts straight

Reading Time: 9 minutes Once again, agriculture in Eastern Canada is under fire, this time in the Great Lakes basin. Already bearing media scorn for neonicotinoid seed treatments and biotech innovations, now farmers are getting blamed for Great Lakes pollution. To be specific, the type of pollution in the headlines is eutrophication. It’s a phosphorus enrichment of waterways, and it […] Read more