Soil Phosphorus
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 5 benchmarks together — the OptimalRange form drives the primary score, while 4 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
The optimal range for available soil phosphorus, representing the best available condition, is identified as 8 to 15 mg/kg.
Available soil phosphorus concentration measured by Colwell-P or equivalent method
This benchmark defines the optimal range of soil available phosphorus that balances productivity and ecological health in production forestry within this biome.
Anchored by field data from high-yield commercial plantations showing optimal growth between 8.5 and 14.6 mg/kg and capped at 15 mg/kg to avoid toxicity.
Sources (1)
Establishment of critical nutrient levels in soil and plant for eucalyptus
View SourceSupporting Sources (3)
Additional references from the underlying research that informed this benchmark.
(PDF) Establishment of critical nutrient levels in soil and plant for eucalyptus - ResearchGate
View Source
Phosphorus nutrition of phosphorus-sensitive Australian native plants: threats to plant communities in a global biodiversity hotspot - PMC
View SourcePhosphorus uptake and toxicity are delimited by mycorrhizal symbiosis in P-sensitive Eucalyptus marginata but not in P-tolerant Acacia celastrifolia - PubMed Central
View Source