Canopy
Episode 5: Nitrogen
“Nitrogen is a liability until it becomes a protein.”
Total nitrogen versus free nitrogen, where it goes wrong, and why all nitrogen is not equal.
The big idea
From liability to protein.
Nitrogen is the input growers know best, and the one that goes wrong most quietly.
A liability until it’s a protein
Nitrogen sitting in the plant unbuilt is a liability: soft growth, and an open door for pests and disease. Once the plant has built it into protein, it’s paying its way.
And all nitrogen is not equal. The form it goes on in, the timing, and what the plant can actually use all change the result, which is why total nitrogen and free nitrogen tell such different stories.
What’s inside
Four parts, about an hour.
Watch it in one sitting, or a part between jobs. Each one flows into the next.
After this one, you’ll…
- tell total nitrogen from free nitrogen on a sap test
- see why unbuilt nitrogen invites pests and disease
- think about form and timing, not just rate
- 0–15 min
A liability until it’s a protein
What happens to nitrogen after it goes on.
- 15–30 min
Total versus free
Two numbers that tell very different stories.
- 30–45 min
All nitrogen is not equal
Forms, timing, and what the plant can actually use.
- 45–60 min
Nitrogen in the sap
Spotting trouble, often before the crop shows it.
Take it further
Where this episode leads.
The course is the start. Each episode opens onto Steve’s talks, the learning hub, and his work on farms.
From the Plant’s Perspective
One plant, eight episodes.
Hear when episode one is out.
One note when it’s ready, and nothing else.