1 determined by Loss on ignition (550°C, 4h)
2 determined by Elemental Analysis
3 pH determined in 1:5 DDI water
- Cation Exchange capacity determined using ammonium acetate method, all
base cations including aluminium
- Available potassium determined using ammonium acetate
- Total phosphorus determined after acid digestion and ICP-OES analysis
Figure S1. Map of trial sites and seed collection locations for each
species in the Wet Tropics Bioregion of Australia. Sites represented by
black squares. Provenance locations for each species represented with
coloured circles.