Geoscience Reference
In-Depth Information
Appendix 5. Total soluble salts
Soil salinity may also be expressed as Total Soluble Salts (TSS). This is useful when
the proposed cropping future is not yet decided.
Total soluble salt
Description
Interpretation
<0.05
Low and harmless
Harmless for all plant species
0.05-0.08
Slightly higher than
normal
May cause growth reduction in salt sensitive
species in ligher textured soils
0.09-0.16
Higher than normal
Likely to cause growth reduction in salt
sensitive species and may cause growth
reduction in moderately salt tolerant in lighter
textured soils
0.17-0.24
Unfavourable
Expected to cause growth reduction in salt
sensitive species and moderately salt tolerant
species
0.25-0.33
High and harmful
May cause growth reduction in salt tolerant
species in lighter textured soils
>0.33
Very high and harmful
Harmful to all but very salt tolerant species
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