Bill studies what makes cropping systems both productive and sustainable using long-term experiments that test the impact of crop species, tillage systems, crop rotations, and cover crops.
William Deen
Projects:
Precision Agronomy Cover Crops by Soil Type and their Soil Health Footprint
Agricultural research has been known for carrying out studies on small plots. The arrival of precision ag technologies potentially allows rigorous, replicated studies to scale up to cover whole farm fields, spanning multiple soil types and landscape po …
ACTIVE
Publications:
Crop rotations differ in soil carbon stabilization efficiency, but the response to quality of structural plant inputs is ambiguous
This study set out to evaluate crop rotation diversity, perenniality, carbon inputs, and carbon input quality as predictors of soil organic carbon concentration and aggregate size.
Tracing crop residue N into subsequent crops: Insight from long-term crop rotations that vary in diversity
News:
Lasting impact: The penalty of poor rotation
First published in Farmtario: https://farmtario.com/crops/lasting-impact-the-penalty-of-poor-crop-rotations/ This article is part one of a three-part series highlighting lessons learned from two long-term …
A 40-year legacy – Special “Talk Dirty To Me” episode on World Soil Day
Howard Buffet wrote in his recent book that the average farmer realistically has only “40 Chances” to grow a crop, …
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- https://www.plant.uoguelph.ca/bdeen
