# Koirala et al. 2017: Modeling Height-Diameter Relationship and Volume of Teak (Tectona grandis L.f.) in Central Lowlands of Nepal

Koirala, A., Kizha, A. R., & Baral, S. (2017). Modeling height-diameter relationship and volume of teak (Tectona grandis L.f.) in central lowlands of Nepal. Journal of Tropical Forestry and Environment, 7(1), 28–42.

- DOI: https://doi.org/10.31357/jtfe.v7i1.3020
- Access: open access
- Copy we read: https://web.archive.org/web/2024/http://journals.sjp.ac.lk/index.php/JTFE/article/download/3020/2093
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/koirala-2017/

## Equations from this source (3)

### Teak height from D (H2, logarithmic)

Height for Tectona grandis, Nepal. Inputs: DBH. DBH 6.37–58.92 cm. 31 trees.

As printed (Abstract; Table 5, model H2):

> H = [− 5.2544 + (6.8603 × ln (dbh))]

Page: https://treeallometry.org/equations/koirala-2017-h-log/

### Teak stem volume from D (V1, local)

Stem volume for Tectona grandis, Nepal. Inputs: DBH. DBH 6.37–58.92 cm. 31 trees.

As printed (Table 6 (form V1), Table 7 (estimates)):

> V = a + b × (dbh) ... a -0.4720, b 0.0414

Page: https://treeallometry.org/equations/koirala-2017-v-dbh/

### Teak stem volume from D and H (V5, generic)

Stem volume for Tectona grandis, Nepal. Inputs: DBH + Height. DBH 6.37–58.92 cm. 31 trees.

As printed (Abstract; Table 7, model V5):

> V = [0.3364 + (0.0685 × dbh) + (−0.097 × H)]

Page: https://treeallometry.org/equations/koirala-2017-v-dbh-h/