Tar spot is taking a bite out of yields in some Ontario corn fields but there is hope that growers will have effective tools to manage the leaf disease. Characterized by tar-like speckling on the upper surface of corn leaves, the fungal pathogen has been delivering yield hits ranging from 20 to 60 bushels per… Read More

Trees tend to generate an emotional response from most cash croppers — some growers love them, others hate them. The joy or angst typically stems from the impact the large, expansive perennial plants have on growing crops. On this episode of Corn School, RealAgriculture agronomist Peter Johnson looks back at the research of Dr. Charles Baldwin who… Read More

What if corn, like soybeans, could fix its own nitrogen? It’s a question agronomist Dale Cowan and his team at AGRIS Co-operative are tackling this summer as they test a biological product that promises to help corn plants fix nitrogen, when applied directly on the seed, in pop-up fertilizer, and through foliar application between the… Read More

Weather is the ultimate source for small talk, and rainfall is perhaps the most talked about — from how much, to when, to not enough, and on too much. For this episode of the Corn School, Bernard Tobin asks Dale Cowan, senior agronomist at AGRIS C0-operative, about how much rain a corn crop needs throughout… Read More

Proper staging is critical when applying in-crop herbicides in corn, but there are multiple ways to measure corn’s growth stages, and herbicide labels don’t always use the same method. Agronomists often use the “leaf collar” — or V-stage — method to describe growth stages, while others use plant height. However, herbicide labels often refer to… Read More