Fluctuations in the price of fertilizer as well as crop prices, make it difficult to determine the correct amount of fertilizer to apply each year. The information provided in these links will help Canadian agronomists and growers adjust fertilizer guidelines using the current price of fertilizer and the expected crop price to determine the rate of fertilizer to apply to achieve the highest profitability. This information is based on Canadian research across the prairies.

Manitoba Agriculture, Food and Rural Initiatives: Nitrogen Rate Calculator for Wheat, Barley and Canola