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 10 benchmarks together — the OptimalRange form drives the primary score, while 9 guard(s) constrain the result.
Evidence & Context
Synthesizing the information from the benchmark discussion and the lower critical threshold, an Optimal Soil pH Range of pH (CaCl₂) 5.8 to 6.8 is proposed for agricultural crop production systems in Australian Tropical Monsoonal Savannas aiming for high ecological health and sustainability.
Optimal soil pH range measured in 0.01M CaCl₂ supporting ecological integrity and sustainable crop production.
Range of soil pH values that support good nutrient availability, avoid major toxicities, foster beneficial microbial activity, and maintain good CEC in agricultural systems of the Tropical Monsoonal Savannas biome.
This range supports multiple facets of soil health and sustainable production, balancing nutrient availability and toxicity risks in tropical savanna soils.
Sources (1)
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 SourceSupporting Sources (1)
Additional references from the underlying research that informed this benchmark.
General soil science principles and reviewed literature
View Source