Worked Example: Silvoarable Wheat
In a standard 100ha silvoarable system (rows of walnut/apple interspersed with winter wheat), dedicating 20% of the land area to tree strips does not result in a direct 20% loss of yield. Micro-climate benefits (wind reduction, moisture retention) often offset the loss.
| System | Wheat Yield (t/ha) | Tree Yield (Timber/Fruit) |
|---|---|---|
| Monoculture (100ha) | 8.0 | 0 |
| Agroforestry (80ha crop / 20ha tree) | 7.2 | High |
Common Mistakes
Planting rows too close together. Modern combine harvesters require a minimum of 24m spacing between tree rows to operate efficiently.
FAQ
Does agroforestry qualify for BNG?
Yes. The tree strips can be classified under traditional orchard or woodland categories, providing significant uplift over arable baseline.
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