L1 /
2
CH3041
SALINITY
• With NaCl inputs (atmosphere, water) a
soil will become saline.
soil will become saline.
• For an arid or
semi-arid climate there
are three mass balance regimes.
are three mass balance regimes.
• A conductivity
(EC) of
a soil paste > 4 mS/cm
indicates the soil is
saline. (mS = mSiemens
(2 plates 1cm apart)
a soil paste > 4 mS/cm
indicates the soil is
saline. (mS = mSiemens
(2 plates 1cm apart)
• As the conductivity
rises above 10 mS/cm
only salt tolerant plants survive (0.5% salt)
rises above 10 mS/cm
only salt tolerant plants survive (0.5% salt)
Irrigation
Drainage
