Managing Nitrogen as a System Facebook Twitter LinkedIn Email Watch Dale Cowan's webinar on nitrogen rate determination and reducing environmental losses under a 4 R Stewardship Program. Nitrogen Calculators: Download the Ontario Nitrogen Rate Calculator. Download the Delta Yield Calculator. If you are experiencing issues downloading these files please email mariahkaak@agris.coop for assistance. Related Items Which Situations Require the Use of a Soybean Inoculant? Soybeans form a symbiotic (mutually beneficial) relationship with nitrogen-fixing bacteria that live in the soil (Figure 1). Read the full story Effects of Frost & Freeze Conditions on Young Corn and Soybeans Air temperatures at or below 28 °F for just a few hours can kill corn outright, even when the growing point is below ground, while air temperatures above 28 °F have a variable effect on young corn. Read the full story Salt Index, Starter and Band Applications of Fertilizer With planting soon to start, you may have questions about starter fertilizer applications for both corn and soybeans. Read the full story