The aim of the present study was to identify the
climatic, topographic and soil factors that could be
used for estimating site index. Only easily assessable
factors were considered, and soil factors that require
detailed chemical analyses were avoided. Other studies
have shown that the slight improvement of estimation
models gained by using those chemical factors
often does not seem to justify the associated increase
of work and expense (Sanesi and Sulli, 1974; Payandeh,
1986; Monserud et al., 1990).