Article Figures & Data
Tables
- Table 1.
Effect of 8 mulch treatments and a nonmulched control on soil temperature, percentage soil moisture, and soil pH.
Treatment Temperaturez (°C) Moisturey (%) pHx 1997 1998 Control 29.3w av 19u d 6.03t d 5.86s d Pea gravel 27.6 b 31 ab 6.44 b 6.14 bc Crushed brick 26.2 c 30 bc 6.29 bc 6.04 cd Carmel 26.2 c 29 c 6.29 bc 6.06 cd River rock 25.2 d 29 c 6.47 b 6.33 b Lava rock 24.5 d 30 bc 6.21 cd 5.82 d Shredded bark 23.6 e 31 ab 6.82 a 6.81 a Wood chip 23.3 e 32 a 6.81 a 6.37 b Screened pine 23.2 e 32 a 6.13 cd 6.14 bc ↵z Soil temperature measured at 10 cm (4 in.) depth, between 2:00 and 4:00 P.M.,CST,
↵y Soil moisture measured at 6 cm (2.4 in.) depth, between 2:00 and 4:00 P.M.,CST.
↵x Soil samples for pH measurements collected at 0- to 10-cm (0- to 4-in.) depth.
↵w Data shown are means of 12 dates × 5 replications (n = 60) in 1997.
↵v Mean separation within columns by LSD, P ≤ 0.05.
↵u Data shown are means of 12 dates × 5 replications (n = 60) in 1997.
↵t Data shown are means of 5 observations. Soil samples collected on December 1, 1997, for pH determination.
↵s Data shown are means of 5 observations. Soil samples collected on June 17, 1998, for pH determination.
- Table 2.
Effect of 8 mulch treatments and a nonmulched control on stem caliper, height, and leaf dry mass of Acer rubrum Fairview Flame®.
Treatment Heightz(cm) Stem calipery(cm) Leaf dry massx (g) Lava rock 222w av 4.1u ab 441t abc Wood chip 222 a 4.1 ab 423 abc Pea gravel 220 a 4.2 a 467 a Crushed brick 219 a 4.2 a 478 a Control 219a 4.1 ab 419 abc Carmel 218 a 4.2 a 463 ab River rock 214 a 4.2 a 449 abc Screened pine 214a 4.0 ab 398 bc Shredded bark 210a 3.9 b 383 c ↵z Height measured from ground level to highest shoot apex on September 20, 1997.
↵y Stem caliper measured 15 cm (6 in.) above ground level on September 19, 1997.
↵x Leaves harvested October 4 and 5, 1997.
↵w Data shown are means of 10 observations.
↵v Mean separation within columns by LSD, P ≤ 0.05.
↵u Data shown are means of 10 observations. Each observation is the average of measurements taken at 1) the widest point on the stem, and 2) rotated 90° clockwise from the first measurement.
↵t Data shown are means of 10 observations.