Description

Heights and stem diameters of trees growing in a fertilization x irrigation experiment in Richmond, New South Wales, Australia, as part pf the Hawkesbury Forest Experiment (HFE). A total of 16 plots, each with 72 Eucalyptus saligna trees, was remeasured 17 times between 2008 and 2012. Treatments to the plots were either control (C), applied with fertilizer (F), irrigation (I), or irrigation+fertilization (IF).

This dataset contains the plot-level means, see hfeifbytree for tree-level measurements.

Usage

Format

A data frame with 320 rows and 5 variables:

plotnr

integer A total of sixteen plots (four treatments).

Date

factor The date of measurement (YYYY-MM-DD)

diameter

double Mean diameter for the sample trees ($cm$).

height

double Mean height for the sample trees ($m$).

treat

integer One of four treatments (I - irrigated, F - dry fertilized, IL - Liquid fertilizer plus irrigation, C - control)