# Santos et al. 2022: Allometric equations for biomass and contents of macronutrients in a young Tectona grandis stand

Santos, M. L., Leite, H. G., Cavalcante, V. S., Fernandes, L. V., and Neves, J. C. L. (2022). Allometric equations for biomass and contents of macronutrients in a young Tectona grandis stand. Revista Brasileira de Ciência do Solo, 46, e0220030.

- DOI: https://doi.org/10.36783/18069657rbcs20220030
- Peer review: A paper in a peer-reviewed journal.
- Access: open access
- Copy we read: https://www.rbcsjournal.org/wp-content/uploads/articles_xml/1806-9657-rbcs-46-e0220030/1806-9657-rbcs-46-e0220030.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-05
- Page: https://treeallometry.org/sources/santos-2022/

## Equations from this source (8)

### Teak aboveground biomass, all sampled stands (DBAP)

Aboveground biomass for Tectona grandis, Brazil. Inputs: DBH. 18 trees.

As printed (Table 2, model in caption; DBAP row, All stands columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −2.8665, β₁ = 2.4624

Page: https://treeallometry.org/equations/santos-2022-agb-all/

### Teak aboveground biomass, fertilized clonal stands (DBAP)

Aboveground biomass for Tectona grandis, Brazil. Inputs: DBH. 9 trees.

As printed (Table 2, model in caption; DBAP row, Clonal Fertilizer columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −2.8543, β₁ = 2.4352

Page: https://treeallometry.org/equations/santos-2022-agb-fertilized-clonal/

### Teak aboveground biomass, fertilized stands (DBAP)

Aboveground biomass for Tectona grandis, Brazil. Inputs: DBH. 12 trees.

As printed (Table 2, model in caption; DBAP row, Fertilizers columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −2.8622, β₁ = 2.4397

Page: https://treeallometry.org/equations/santos-2022-agb-fertilized/

### Teak aboveground biomass, fertilized stands and unfertilized clonal stands (DBAP)

Aboveground biomass for Tectona grandis, Brazil. Inputs: DBH. 15 trees.

As printed (Table 2, model in caption; DBAP row, Fertilized and clonal not fertilized columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −2.8787, β₁ = 2.4567

Page: https://treeallometry.org/equations/santos-2022-agb-fertilized-and-clonal/

### Teak stem biomass, all sampled stands (DBS)

Stem biomass for Tectona grandis, Brazil. Inputs: DBH. 18 trees.

As printed (Table 2, model in caption; DBS row, All stands columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −3.5188, β₁ = 2.6036

Page: https://treeallometry.org/equations/santos-2022-stem-all/

### Teak stem biomass, fertilized clonal stands (DBS)

Stem biomass for Tectona grandis, Brazil. Inputs: DBH. 9 trees.

As printed (Table 2, model in caption; DBS row, Clonal Fertilizer columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −3.4934, β₁ = 2.5633

Page: https://treeallometry.org/equations/santos-2022-stem-fertilized-clonal/

### Teak stem biomass, fertilized stands (DBS)

Stem biomass for Tectona grandis, Brazil. Inputs: DBH. 12 trees.

As printed (Table 2, model in caption; DBS row, Fertilizers columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −3.5103, β₁ = 2.5827

Page: https://treeallometry.org/equations/santos-2022-stem-fertilized/

### Teak stem biomass, fertilized stands and unfertilized clonal stands (DBS)

Stem biomass for Tectona grandis, Brazil. Inputs: DBH. 15 trees.

As printed (Table 2, model in caption; DBS row, Fertilized and clonal not fertilized columns β₀ and β₁, p. 5):

> LnY = β₀ + β₁ Lndbh + ε; β₀ = −3.5300, β₁ = 2.6025

Page: https://treeallometry.org/equations/santos-2022-stem-fertilized-and-clonal/