Orchard soil: how to feed the layer under the tree
The drip line is where the feeder roots are.
- Soil under the tree is hard, clean-cultivated, no cover.
- Shoots short, fertiliser ‘evaporates’.
- Yellowing is common, but the root may be clean tillage + high pH + thin organic matter.
- Drought and thin often travel together; a cover can change both.
- Don’t bake a bare tree row; don’t fertilise the walkway.
- Organic manure: By tree age and local advice, in a trench. Don’t heap raw manure against the crown
- Name what you see before you feed.
- If leaves, roots and the surface disagree, stop.
What you see in the field
Soil under the tree is hard, clean-cultivated, no cover. Shoots short, fertiliser ‘evaporates’.Rub a handful next to a darker neighbour that still forms crumbs. Pale dusty soil that leaks after rain matches this page. Yellow leaves are extra — first ask whether the soil still has body.
Tap to enlarge. The caption says what to photograph. Missing field photos are marked as to-be-added.
Why it looks like this
The field looks like this because the root cannot take water or nutrients the usual way. Fix the soil condition first — drainage, salt, acidity, compaction or a salt of fertiliser — then a thin feed. Rates live in the range on this page; confirm with a local station and the label.
Easy to mix up
Looks like “Iron-lock yellowing”
Yellowing is common, but the root may be clean tillage + high pH + thin organic matter.
Looks like “Shortage of water”
Drought and thin often travel together; a cover can change both.
Do this / don’t do that
- 1Compare the worst plants with a neighbour ridge. Photograph whole plant, close-up and soil surface before you add fertiliser.
- 2Match roots, leaves and the soil surface to this guide. If they do not line up, do not copy a bag count.
- 3Use the rate range on this page only as a range. Confirm with a local station and the product label.
Don’t do this first
- Don’t bake a bare tree row; don’t fertilise the walkway.
Rate range
Organic manure
By tree age and local advice, in a trench
Don’t heap raw manure against the crown.
Cover
The tree basin covered all year
Hold moisture, cool the surface, add organic matter.
These are ranges. Confirm with your local extension station and the product label.
How soon after a spray or a feed it showed
A 1–3 day burst looks more like spray injury / fertiliser burn.
When you see Soil under the tree is hard, test. Write the field and the date on the bag.
Lesson video
2026-03-03 · Li Zeyu · For learning. Serious damage: local agronomist or a soil test.
For learning only. Fertiliser and pesticide decisions need a local agronomist and a soil test.
Not sure? Photograph the field to identify the problem