Man standing near canola field.

Synergy and the four Rs

To get the most from your fertilizer plan, consider the relationships between variables


It’s important to evaluate all four Rs of fertility collectively when considering the nutrient requirements of your crop. Changing any one R — right time, right place, right rate and right source — can profoundly alter the management of the others, says Dan Orchard, an agronomy specialist with the Canola Council of Canada. “Adhering to […] Read more

Crop rotations and soil science

Some see soil as mere dirt. Soil scientists see a complex ecosystem 
affected by everything from crop rotations to fertilizer

Using DNA technology, researchers are finding that microbial diversity in the sea is huge, said Dr. Marcia Monreal, soil microbiology scientist with Agriculture and Agri-Food Canada. “But (their results) suggest the diversity in the soil is much larger.” Monreal explained that there is a food chain in the soil that includes bacteria plus other creatures […] Read more


Flow sensor for agricultural applications.

Listen to your air seeder

This wireless flow monitoring system uses small microphones to tell you when something isn’t right

Trent Duczek of Grayson, Sask. and Caleb Wierenga of Neerlandia, Alta. both agree that silence is not golden when it comes time to seeding the crop, but both have become big believers in an acoustic-based flow monitoring system using sound — or the lack of it — on their air drills that quickly tells them […] Read more