
Dan opens with a thin patch in a field and the question of what the roots would say before more fertilizer goes on. Darren explains why he sees compaction in nearly every field he walks, and how his team checks with a shovel in late June. Kevin explains what happens below ground when pore space is lost, and how microbes, fungi and roots affect soil structure.
Wayne walks through a soybean example. He reads a soil test and then a tissue test from compacted and less-compacted areas of the same field, and shows why leaf appearance and a single soil value can mislead. The audience asks about tillage, cover crops, crop choice, potatoes and how fast any response should show up. The panel is clear that its research is early.
Key Topics
• The shovel check: comparing a problem patch with a better area
• How compaction limits roots, oxygen and water infiltration
• Soil biology, aggregates and mycorrhizal fungi
• Reading a soil test and a tissue test together
• No-till, cover crops and living roots
Resources Mentioned
• A&L Canada Labs Vitalis soil health testing
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