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 2 benchmarks together — the OptimalRange form drives the primary score, while 1 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
Improved Exotic Pasture: 25 – 40 (Colwell P mg/kg)
Colwell P
Agronomic optimum for ryegrass/clover productivity in improved exotic pastures.
This range represents the agronomic optimum for improved exotic pastures.
Sources (1)
Understanding soil tests for pastures | Soil | Farm management ..., accessed July 17, 2025
View SourceSupporting Sources (55)
Additional references from the underlying research that informed this benchmark.
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View SourceGrazing-to-fencing increases alpine soil phosphorus availability by promoting phosphatase activity and regulating the phoD-harboring bacterial communities | Request PDF - ResearchGate
View SourceIncreasing the Size of the Microbial Biomass Altered Bacterial Community Structure which Enhances Plant Phosphorus Uptake | PLOS One - Research journals, accessed May 7, 2026
View SourceIndicative Soil Phosphorus Report | LongPaddock | Queensland Government
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View SourcePhosphorus Nutrition of Proteaceae in Severely Phosphorus-Impoverished Soils: Are There Lessons To Be Learned for Future Crops? - PubMed Central
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