Soil pH
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 4 benchmarks together — the OptimalRange form drives the primary score, while 3 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
While an upper detrimental threshold for ecological health due to over-management (e.g., over-liming) could be considered if pH (CaCl₂) consistently exceeds approximately 7.0 to 7.2, this is not the primary management concern.
Upper detrimental soil pH threshold measured in 0.01M CaCl₂ above which ecological health may be compromised due to micronutrient deficiencies.
Based on general soil science principles and limited direct evidence in the target biome.
Sources (1)
General soil science literature and expert synthesis
View SourceSupporting Sources (1)
Additional references from the underlying research that informed this benchmark.
Cotton Production and Sustainability in the Northern Territory: A Comprehensive Analysis of Yield, Soil Properties, and Cover Crops (Mwando et al., 2024, In: Proceedings of the 21st Australian Agronomy Conference)
View Source