Table 1. Soil physical characteristics of the plots in response to irrigation on a green rooftop

Kind of plants Treatment Soil EC (mS/cm) Soil temperature (°C)
May June July August May June July August
Vicks Plant Irrigation 0.18 0.14 0.18 0.17 9.77 8.93 10.87 1265
No irrigation 0.16 0.38 0.55 0.17 10.40 9.47 12.27 13.30
Choco Mint Irrigation 0.52 0.43 0.33 0.36 11.07 9.77 13.40 13.54
No irrigation 0.14 0.19 0.00 0.09 11.07 9.93 13.93 13.77
Pineapple sage Irrigation 0.66 0.61 0.50 0.52 10.77 9.97 11.73 13.12
No irrigation 0.44 0.71 0.04 0.18 10.73 10.20 10.13 13.55
Spearmint Irrigation 0.31 0.34 0.31 0.32 10.60 9.13 11.27 13.28
No irrigation 0.10 0.12 0.00 0.06 10.10 8.47 11.50 13.46
Peppermint Irrigation 0.31 0.34 0.29 0.35 10.60 8.67 11.20 13.02
No irrigation 0.10 0.05 0.26 0.26 10.10 9.07 10.10 13.44
Lemon balm Irrigation 0.37 0.32 0.34 0.34 9.37 9.13 11.37 1260
No irrigation 0.19 0.12 0.00 0.05 8.03 8.47 10.80 13.12
Rosemary Irrigation 0.24 0.24 0.19 0.24 9.40 9.37 11.70 9.39
No irrigation 0.12 0.04 0.00 0.08 9.63 8.27 12.27 8.95
Apple Mint Irrigation 0.64 0.46 0.41 - 9.80 9.30 12.53 -
No irrigation 0.41 0.36 0.13 - 9.83 9.27 13.73 -
Lavander Irrigation 0.30 0.35 0.29 - 10.07 8.60 12.50 -
No irrigation 0.28 0.25 0.07 - 9.73 8.47 12.17 -
Tansy Irrigation 0.37 0.47 0.32 - 9.90 9.20 13.20 -
No irrigation 0.19 0.16 0.00 - 8.23 8.00 14.90 -
Lemon Verbena Irrigation 0.27 0.24 0.19 - 10.13 9.13 13.60 -
No irrigation 0.15 0.10 0.05 - 9.83 8.33 15.27 -
Ox-eye Daisy Irrigation 0.38 0.33 0.23 - 9.33 7.73 14.20 -
No irrigation 0.18 0.23 0.13 - 8.53 8.10 1233 -
Feverfew Irrigation 0.26 0.21 0.19 - 9.43 9.00 1267 -
No irrigation 0.14 0.17 0.06 - 9.07 8.67 10.77 -
Roman Chamomile Irrigation 0.36 0.35 0.36 - 8.93 8.73 10.83 -
No irrigation 0.21 0.15 0.09 - 9.07 9.13 13.43 -
Heliotrope Irrigation 0.21 0.22 0.21 - 8.93 8.83 13.80 -
No irrigation 0.18 0.15 0.09 - 8.47 8.93 1257 -
Thyme Irrigation 0.25 0.23 - - 7.93 8.30 - -
No irrigation 0.11 0.13 - - 8.60 7.93 - -
Soapwort Irrigation 0.20 0.20 - - 8.13 8.27 - -
No irrigation 0.15 0.12 - - 7.60 8.47 - -
Lady's mantle Irrigation 0.21 0.18 - - 8.37 8.53 - -
No irrigation 0.26 0.17 - - 8.60 6.97 - -