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 treatmentXylem potential (MPa)
3 weeks7 months8 months
Shredded mulch [150 mm (6 in.)]2.15 a*1.93 b2.00 b
Chipped mulch [150 mm (6 in.)]1.83 ab1.80 b1.96 b
Chipped mulch [75 mm (3 in.)]1.82 ab1.86 b1.97 b
Bare ground/no mulch1.77 ab2.02 b2.19 b
Shredded mulch [75 mm (3 in.)]1.63 b1.93 b1.95 b
Turf/no mulch1.54 b2.30 a2.69 a
Shredded mulch [75 mm (3 in.)] but no mulch on root ball1.34 b1.95 b2.07 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.