Current P and K recommendations in Ontario guide crop producers to apply a rate of fertilizer that will provide the greatest potential of an economic response during the year of application. Increases in crop yields over time have resulted in higher nutrient removal rates which have decreased the “equilibrium” soil test values where average crop removal rates equal the recommended…
Greg Stewart January 30, 2015 2441 Comments Off on Investigating Yield and Economic Performance of a “Build and Maintain” Fertility Approach versus a “Sufficiency” Approach in Corn: Interim Report