Fertilizer use on the rise?
This article was written by Nicholas Bannon and Alfons Weersink and was originally posted on farms.com. Our recent article explored the changes in Ontario acreage on which farmers applied nutrients between 1971 and 2016. Aside from an increase in the area of application in the 1970s due to an expansion in the amount of corn planted, the area of application remained constant in the subsequent years. But has the total amount of fertilizer applied changed? Efforts such as the 4R