Table 5: Mean water content for water potential intervals based on weed seed germination sensitivity to water potential.

Mean water content
Water potential interval (MPa)
Main effectFullABCD
−0.01 to −1.5−0.01 to −0.1−0.1 to −0.5−0.5 to −1.0−1.0 to −1.5
(cm3/cm3)

Hillslope
 SW0.1580.2020.1320.1080.098
 NE0.1500.1900.1260.1020.092
Hillslope position
 Summit0.124b0.164b0.099b0.080b0.072b
 Backslope0.141b0.185b0.114b0.091b0.082b
 Toeslope0.196a0.239a0.175a0.145a0.132a
Model
 CA0.153c0.202a0.125d0.095c0.083c
 BC0.153bc0.198b0.126c0.100b0.090b
 VG50.153bc0.199b0.126c0.100b0.089b
 VG40.153b0.198b0.126c0.101b0.091b
 TA0.156a0.189d0.137a0.118a0.109a
 RU0.156a0.191c0.135b0.116a0.108a
Source of variation
 Hillslope ( )0.2160.1890.3130.2430.222
 Position ( )<.001<.001<.001<.001<.001
0.3600.4140.1610.0950.078
 Model ( )<.001<.001<.001<.001<.001
0.001<.001<.0010.0030.013
<.0010.0100.429<.001<.001
<.0010.4310.6820.4110.309

Means within a column and main effect, followed by different letters are significantly different at according to Fisher’s protected LSD.