Figure 1. Effect of rate of P fertilization at time of planting on height, basal stem
diameter (at 10 cm aboveground), stem diameter at breast height, and aboveground
wood biomass of two seed sources of Acacia koa during the 36-month period after
planting in an Oxisol (Wahiawa series) and an Ultisol (Leilehua series) on the island of
Oahu, Hawaii. The off-site seed source was Kukaiau Ranch on the Island of Hawaii and
the local seed source was Pacific Palisades on the Island of Oahu. Data are least squares
means of four replicates at 12, 24, and 36 months after planting.