Harvest year | Container type | Percent root growth beyond original root ball | Percent of total roots inside root ball that are fine (<2.0 mm) | Percent of total roots inside root ball that are coarse (≥2.1 mm) | Percent of total roots outside root ball that are fine (<2.0 mm) | Percent of total roots outside root ball that are coarse (≥2.1 mm) | Percent total fine (<2.0 mm) roots for entire root ball | Percent total coarse (≥2.1 mm) roots for entire root ball | Percent of total roots growing inside the root ball |
---|---|---|---|---|---|---|---|---|---|
2011 | Black plastic | 8.6 | 13.0 | 78.5 | 2.1 | 6.5 | 15.0 | 85.0 | 91.5 |
Root Pouch | 10.8 | 9.7 | 79.5 | 2.2 | 8.6 | 12.0 | 88.0 | 89.2 | |
Smart Pot | 10.1 | 12.0 | 77.9 | 2.7 | 7.4 | 14.7 | 85.3 | 89.9 | |
2012 | Black plastic | 21.4b | 1.5 | 77.0a | 1.7 | 19.8b | 3.2 | 96.8 | 78.6a |
Root Pouch | 30.0a | 1.3 | 68.7b | 2.1 | 27.9a | 3.4 | 96.6 | 70.0b | |
Smart Pot | 27.3a | 1.3 | 71.5b | 1.8 | 25.4a | 3.1 | 96.9 | 72.7b | |
2013 | Black plastic | 28.1b | 0.6 | 71.4a | 1.6b | 26.4b | 2.2 | 97.8 | 72.0a |
Root Pouch | 35.0a | 0.6 | 64.4a | 2.0b | 33.0a | 2.6 | 97.4 | 65.0b | |
Smart Pot | 37.3a | 0.8 | 61.9b | 4.4a | 32.9a | 5.2 | 94.8 | 62.7b |
Note: Means within years for each measurement followed by different letters are significantly different at P = 0.05 using Tukey’s LSD test.