Article Figures & Data
Figures
- Figure 1.
Xylem potential the day following 6 mm (0.25 in.) irrigation at the end of the first dry weather period 2 weeks after transplanting (top) and following 50 mm (2 in.) irrigation at the end of the second dry weather period 4 weeks after transplanting for treatments with mulch over the root ball and treatments with no mulch on the root ball. Asterisk (*) indicates significant difference between mulch treatments.
- Figure 2.
Stem xylem potential the day following 6 mm (0.25 in.) irrigation (frequent irrigation line) or no irrigation (survival irrigation line) 4, 7, and 11 weeks after planting 50 to 63 mm (2 to 2.5 in.) caliper live oak following an extended period of dry weather.
Tables
- Table 1.
Xylem water potential 13:30 to 14:30 hours 3 weeks and 7 and 8 months following transplanting 76 mm (3 in). caliper Highrise™ live oak into plots with seven different surface treatments.
Surface treatment Xylem potential (MPa) 3 weeks 7 months 8 months Shredded mulch [150 mm (6 in.)] 2.15 a* 1.93 b 2.00 b Chipped mulch [150 mm (6 in.)] 1.83 ab 1.80 b 1.96 b Chipped mulch [75 mm (3 in.)] 1.82 ab 1.86 b 1.97 b Bare ground/no mulch 1.77 ab 2.02 b 2.19 b Shredded mulch [75 mm (3 in.)] 1.63 b 1.93 b 1.95 b Turf/no mulch 1.54 b 2.30 a 2.69 a Shredded mulch [75 mm (3 in.)] but no mulch on root ball 1.34 b 1.95 b 2.07 b ↵* Means (calculated on seven trees per treatment) in a column followed by the same letter are not significantly different from each other at the P < 0.05 level.
- Table 2.
Trunk caliper growth in the first 12 months after transplanting 76 mm (3 in.) caliper Highrise™ live oak into plots with seven different surface treatments.
Surface treatment Caliper growth in the 12 months after transplanting mm (in.) Shredded mulch [75 mm (3 in.)] 17 (0.65) a* Shredded mulch [150 mm (6 in.)] 16 (0.63) a Chipped mulch [75 mm (3 in.)] 15 (0.61) a Chipped mulch [150 mm (6 in.)] 15 (0.59) ab Bare ground/no mulch on root ball 14 (0.55) ab Shredded mulch [75 mm (3 in.)]/no mulch on root ball 12 (0.46) b Turfgrass/no mulch on root ball 7 (0.27) c ↵* Means (calculated on seven trees per treatment) followed by the same letter are not significantly different from each other at the P < 0.05 level.
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