Soil Structure & Compaction

AUS-ASC-AGR-SSC General Moderate confidence

Benchmark Value

No specific value — see range

Range: 0 to 1400 kPa

Optimal Range: 0 to 1400

Direction: Higher is desirable ↑

Form: OptimalRange

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 17 benchmarks together — the OptimalRange form drives the primary score, while 16 guard(s) constrain the result.

Contributing Benchmarks

OptimalRange Primary MaximumOnly Guard MaximumOnly Guard LowerThreshold Guard UpperThreshold Guard Point Guard MaximumOnly Guard Point Guard MaximumOnly Guard MinimumOnly Guard OptimalRange Guard MaximumOnly Guard MinimumOnly Guard OptimalRange Guard LowerThreshold Guard MaximumOnly Guard MinimumOnly Guard

Evidence & Context

General agricultural recommendations and guidelines from diagnostic tools suggest that a penetrometer resistance of < 1400 kPa is optimal for most crops, allowing for unimpeded root development and function.

Metric Definition:

Penetrometer resistance measured as the force required to push a standardized cone through the soil profile, expressed in kilopascals (kPa).

Benchmark Definition:

Range of penetrometer resistance values supporting optimal root growth and soil function in alpine and subalpine agricultural crop production.

Justification:

Aligns with general recommendations for minimizing compaction to ensure unrestricted root growth and healthy soil functions.

Sources (2)

Identify Soil Compaction to Boost Crop Yields - Innoquest Inc GreyLiterature

Identify Soil Compaction to Boost Crop Yields - Innoquest Inc

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Understanding Soil Compaction: How It Affects Crop Yield in Agriculture GreyLiterature

Understanding Soil Compaction: How It Affects Crop Yield in Agriculture

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Supporting Sources (3)

Additional references from the underlying research that informed this benchmark.

(PDF) Soil compaction and controlled traffic considerations in ..., accessed July 30, 2025,

Direct Evidence

Ripping Mallee soils, what are the production benefits? - Agronomy Australia Proceedings, accessed August 28, 2025

View Source

Diagnosing Soil Compaction Using a Penetrometer - Sherman

Direct Evidence

Diagnosing Soil Compaction Using a Penetrometer - Sherman

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Identifying soil compaction - Department of Agriculture and Food

Direct Evidence

Critical Limits for Soybean and Black Bean Root Growth, Based on ...

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Context

Region Australia
Biome Alpine and Subalpine Complex
Land Use Agricultural Crop Production
Assessment Pristine Reference
Evidence Type HealthyOperationalRange

Lifecycle

Status Active
Version 1
Effective From 17 Mar 2026

Notes

Represents the desirable target range for regenerative agricultural crop production in Australian alpine and subalpine complexes. No upper detrimental threshold — higher values are always better up to natural saturation.

Related Benchmarks

Other benchmarks in the AUS-ASC-AGR-SSC family.