Soil Moisture

AUS-AMR-AGR-SMO General Moderate confidence

Benchmark Value

No specific value — see range

Range: 12 to 15 % VWC

Optimal Range: 12 to 15

Direction: Higher is desirable ↑

Form: OptimalRange

Scoring Curve

Scoring curve unavailable

The scoring engine could not generate a curve for this benchmark context. The primary form is CompositeFramework, but the benchmark data may be missing required fields (e.g., optimal range bounds for an OptimalRange benchmark). This is typically a data quality issue in the benchmark pipeline.

Contributing Benchmarks

CompositeFramework Primary OptimalRange Guard OptimalRange Guard MinimumOnly Guard OptimalRange Guard MinimumOnly Guard

Evidence & Context

Based on this synthesis, a reference value range of 12% to 15% volumetric soil moisture is proposed.

Metric Definition:

Volumetric soil moisture content representing the optimal functional range for ecological health in arid upland cropping systems under agricultural crop production.

Benchmark Definition:

Optimal soil moisture range that maximizes ecosystem resilience and avoids both drought stress and waterlogging in arid upland cropping systems.

Justification:

The benchmark is synthesized from global dryland ecosystem functional thresholds, Australian soil physics data, physiological thresholds for anoxia, and real-world management trial outcomes.

Sources (2)

Critical soil moisture thresholds of plant water stress in terrestrial ecosystems Journal

Critical soil moisture thresholds of plant water stress in terrestrial ecosystems

View Source

Preview of The impact, identification and management of dispersive soils in rainfed cropping systems - UQ eSpace - The University of Queensland, accessed July 6, 2025,

The impact, identification and management of dispersive soils in rainfed cropping systems - UQ eSpace - The University of Queensland, accessed July 6, 2025, Journal

Cover cropping impacts on soil water and carbon in dryland ...

View Source

Supporting Sources (4)

Additional references from the underlying research that informed this benchmark.

Managing soils during and after drought in cropping systems - Fact sheet - Soil CRC, accessed July 27, 2025,

Contextual Support Journal

Managing soils during and after drought in cropping systems - Fact sheet - Soil CRC, accessed July 27, 2025,

View Source

Soil and Landscape Grid of Australia - CSIRO, accessed July 30, 2025,

Contextual Support Government

Soil and Landscape Grid of Australia - CSIRO

View Source

Soil quality indicators to assess functionality of restored soils in degraded semiarid ecosystems - Solvita, accessed July 27, 2025,

Contextual Support Journal

Soil quality indicators to assess functionality of restored soils in degraded semiarid ecosystems - Solvita, accessed July 27, 2025,

View Source

Waterlogging in Australian agricultural landscapes: a review of plant responses and crop models - ResearchGate, accessed July 7, 2025,

Contextual Support Journal

Waterlogging in Australian agricultural landscapes: a review of plant responses and crop models - ResearchGate

View Source

Context

Region Australia
Biome Arid Mountain Ranges & Uplands
Land Use Agricultural Crop Production
Assessment Conservation Target
Evidence Type HealthyOperationalRange

Lifecycle

Status Active
Version 1
Effective From 10 Jun 2026

Notes

Lower Critical Threshold: 7 %. The optimal range is bounded by a lower critical threshold of ~7% volumetric water content (θcrit), below which significant ecosystem water stress begins. No upper detrimental threshold is defined here.

Related Benchmarks

Other benchmarks in the AUS-AMR-AGR-SMO family.