Influence of Tree Age and Variety on Allometric Characteristics and Water Use of Mangifera indica L. Growing in Plantation

Table 4

Nonlinear least square regression models between tree age and allometric characteristics of Palmer mango trees in Ejura, Ghana.

Parameter (unit)	Power function			Logarithmic function
	𝐴	𝐵	𝑟^2	𝐴	𝐵	𝑟^2
Stem diameter (cm)	2.438	1.037	0.965	24.918	−20.615	0.925
Tree height (m)	1.272	0.739	0.961	4.476	−2.026	0.976
Crown diameter (m)	0.792	0.923	0.927	5.094	−3.208	0.956
Leaf area index (m^2 m^−2)	1.219	0.570	0.992	2.370	−0.389	0.972

𝐴 and 𝐵 are regression parameters and 𝑟² is coefficient of determination.