Appendix
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11.3.2 Service kit
11.4 Units for soil water and matric potentials
pF
hPa
kPa=J/kg
Mpa
bar
psi
%rF
1
-10
-1
-0,001
-0,01
-0,1450 99,9993
2,01
-100
-10
-0,01
-0,1
-1,4504 99,9926
FK field
capacitiy
2.53
-330 -33
-0,033
-0,33
-4,9145
99,9756
Tensiometer
ranges*
2.93
-851
-85,1
-0,085
-0,85
-12,345
3 -1.000 -100 -0,1 -1
-14,504 99,9261
4
-10.000
-1.000
-1
-10
-145,04 99,2638
Permanent
wilting point
4.18
-15.136 -1.513 -1.5 -15 -219,52 98,8977
5
-100.000
-10.000
-10
-1 00 -1.450,4 92,8772
Air-dry**
6 -1.000.000 -100.000 -100 -1
000 -14.504 47,7632
Oven-dry
7
-10.000.000 -1.000.000 -1.000 -10 000 -145.038 0,0618
* standard measuring range of Tensiometers
**
depends on air humidity
Note: 0,981 kPa corresponds to 10 cm water column
