Soil Electrical Conductivity (EC)
Benchmark Value
Scoring Curve
This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context. The scoring engine uses 2 benchmarks together — the MaximumOnly form drives the primary score, while 1 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
An upper detrimental threshold of >2.0 dS/m signifies the onset of salinity stress, which impairs microbial function, plant water uptake, and soil structure.
Soil Electrical Conductivity (EC) measured as the saturated paste extract (ECe) indicating soil salinity and nutrient availability.
This benchmark marks the upper detrimental threshold above which salinity stress degrades ecosystem function in arid agricultural soils.
Widely accepted scientific threshold marking transition to saline conditions harmful to crops and soil microbes.
Sources (1)
Synthesis of data from Soilquality.org.au and established salinity thresholds (ANZECC & ARMCANZ, 2000)
View SourceSupporting Sources (1)
Additional references from the underlying research that informed this benchmark.
Salt tolerance of crops - Wikipedia
View Source