How Soil Organisms Drive Plant Nutrition

Oxford Real Farming Conference · Talk · 1 h 36 min · 2015 · YouTube title: The Roots of Your Profits - Dr Elaine Ingham, Soil Microbiologist, Founder of Soil Foodweb Inc

Why it's here

HN commenters cite her as the explanation for why soil biology, not added fertilizer, drives plant nutrition and farm results.

What it covers

Soil microbiologist Elaine Ingham speaks at the Oxford Real Farming Conference on how soil organisms cycle nutrients, unlock minerals from rock and air, and why pesticides and fertilizers harm soil life. Slides are linked in the description.