Agronomy Centre

Do you have enough?

Over the past few months, producers have purchased a large portion of their fertilizer needs; however, it may not be enough. Fertilizer in many cases is the largest crop input and needs careful management.  Historical trends suggest an imbalance in application to crop requirements. Canadian producers purchase approximately $4 billion of fertilizer annually, typically allocated…

Nitrogen uptake in corn – Are patterns changing and how do we manage?

As corn varieties have developed over time, so has the amount and timing of nitrogen uptake in corn.  In research done by Tony Vyn, Professor of Agronomy, Purdue University, “modern hybrids (post-1990) took up 27 percent more total nitrogen from the soil after flowering than pre-1990 corn plants. In fact, nitrogen uptake after flowering in…