# Tiralla et al. 2013: Allometric relationships of frequently used shade tree species in cacao agroforestry systems in Sulawesi, Indonesia

Tiralla, N., Panferov, O., & Knohl, A. (2013). Allometric relationships of frequently used shade tree species in cacao agroforestry systems in Sulawesi, Indonesia. Agroforestry Systems, 87, 857-870.

- DOI: https://doi.org/10.1007/s10457-013-9602-4
- Access: open access
- Copy we read: https://link.springer.com/article/10.1007/s10457-013-9602-4
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/tiralla-2013/

## Equations from this source (2)

### Aleurites moluccana height from D (linear, Table 2)

Height for Aleurites moluccana, Indonesia. Inputs: DBH. DBH 14.1–51.6 cm. 23 trees.

As printed (Table 2):

> Aleurites moluccana: H = a + b x DBH; a 3.6784, b 0.3101, r2 0.643

Page: https://treeallometry.org/equations/tiralla-2013-h-aleurites/

### Gliricidia sepium height from D (non-rectangular hyperbola, Table 3)

Height for Gliricidia sepium, Indonesia. Inputs: DBH. DBH 7–44.1 cm. 28 trees.

As printed (Table 3):

> y = 0.5 x (a x x + b - sqrt((a x x + c)^2 - 4 x a x x x b)); H on DBH: a 1.0901, b 10.941, c 11.0, r 0.722

Page: https://treeallometry.org/equations/tiralla-2013-h-gliricidia/