Table 4: Distribution of sampled plots in fertility classes and descriptive statistics of site index values estimated for the plots of each fertility class.

Fertility classesLimits of fertility classesMidvalue of fertility classes Number of plotsSite index (m)
AverageMinimumMaximumStandard deviation

1  m15414.2213.5214.790.648
2 122711.7510.5613.410.854
3 9259.187.7910.470.790
4 666.345.267.390.839

Total6210.355.2614.792.154