Article Figures & Data
Figures
- Figure 1.
Trunk diameter 4 years after planting southern magnolia from 3-1 (l-gal) containers and fertilized with different rates of nitrogen.
- Figure 2.
Trunk diameter for 3 years after transplanting live oak receiving 5 different sources of nitrogen fertilizer.
Tables
Fertilizer ratioy Increase in trunk diameterx (cm) 2–1–1 4.83 aw 2–0–1 4.75 a 2–0–0 4.62 a 2–1–0 4.57 ab Nonfertilized 4.17 b ↵z Average trunk diameter was 23 cm (9 in.)
↵y Fertilizer was applied at a rate of 19.5 g N/m2/yr (4 lb N/1,000 fF/yr) to a 3 × 3 m (10 × 10 ft) square area around the trunk beginning 9 months after transplanting. Fertilizer ratio is nitrogen:phosphorus (P2O5):potassium (K2O).
↵x Trunk diameter was measured at 30 cm (12 in.) above soil surface.
↵w Means followed by different letters are significantly different at P < 0.03. Each number is the mean of 32 trees.
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