Litter Cover

AUS-TDG-AGR-LIT General Moderate confidence

Benchmark Value

70 %

Direction: Higher is desirable ↑

Form: Point

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 MinimumOnly Guard Point Guard OptimalRange Guard OptimalRange Guard Point Guard Point Guard

Evidence & Context

This report establishes a scientifically defensible reference benchmark for Litter Cover (%) within Australian Temperate Dry Woodlands & Native Grasslands under Agricultural Crop Production.

Metric Definition:

Litter Cover (%)

Benchmark Definition:

This benchmark represents the percentage of ground covered by litter in Australian temperate cropping systems, where 70% litter cover is recognized as the upper end of the optimal functional range for maximizing water infiltration and protecting against water erosion.

Justification:

The 70% benchmark is supported by multiple sources as the level at which ecological benefits are maximized without incurring significant agronomic risks.

Sources (1)

Preview of Managing heavy stubble loads without compromising the big things (weeds, disease, pests, timeliness and profit!) - a decade of stubble management and farming systems experiments

Managing heavy stubble loads without compromising the big things (weeds, disease, pests, timeliness and profit!) - a decade of stubble management and farming systems experiments GreyLiterature

Managing heavy stubble loads without compromising the “big things ..., accessed August 13, 2025

Supporting Sources (17)

Additional references from the underlying research that informed this benchmark.

Preview of After record harvests, how much nitrogen will be tied-up in high ..., accessed August 13, 2025,

After record harvests, how much nitrogen will be tied-up in high ..., accessed August 13, 2025,

Contextual Support Journal

Queensland Soil and Land Resource Survey Information Guideline, accessed July 17, 2025

Preview of Benefits of Leaf Litter for Forest Regeneration - Tunley Environmental

Benefits of Leaf Litter for Forest Regeneration - Tunley Environmental

Contextual Support Journal

Stubble Retention in Cropping Systems in Southern Australia ..., accessed August 13, 2025

Preview of Cover Cropping to Improve Productivity and Sustainability, accessed August 13, 2025,

Cover Cropping to Improve Productivity and Sustainability, accessed August 13, 2025,

Contextual Support

Cover Cropping to Improve Productivity and Sustainability, accessed August 13, 2025

Preview of Maintain ground cover | .Meat & Livestock Australia - MLA, accessed August 13, 2025,

Maintain ground cover | .Meat & Livestock Australia - MLA, accessed August 13, 2025,

Contextual Support GreyLiterature

Maintain ground cover | .Meat & Livestock Australia - MLA, accessed August 13, 2025

Preview of Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria

Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria

Contextual Support Government

Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria, accessed August 13, 2025

Preview of Monitoring ground cover: an online tool for Australian regions - eo-data.csiro.au, accessed July 18, 2025,

Monitoring ground cover: an online tool for Australian regions - eo-data.csiro.au, accessed July 18, 2025,

Contextual Support Journal

Erosion and sediment yields in the Kakadu region of northern Australia - INTERNATIONAL ASSOCIATION OF HYDROLOGICAL SCIENCES

Preview of Regenerative Agriculture - a literature review on the practices and mechanisms used to improve soil health - DPIRD's Digital library, accessed August 5, 2025,

Regenerative Agriculture - a literature review on the practices and mechanisms used to improve soil health - DPIRD's Digital library, accessed August 5, 2025,

Contextual Support

Regenerative Agriculture Program restoring soil pH case study: Macdonald, Whites Flat/Koppio

Preview of Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed August 5, 2025,

Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed August 5, 2025,

Contextual Support Journal

Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed July 20, 2025,

Preview of Regenerative opportunities for building soil biological resilience – a ..., accessed May 11, 2025

Regenerative opportunities for building soil biological resilience – a ..., accessed May 11, 2025

Contextual Support GreyLiterature

Regenerative opportunities for building soil biological resilience – a case study in the low-rainfall zone in Southern Australia - GRDC

Preview of Strategic tillage of a long-term, no-till soil has little impact on soil characteristics or crop growth over five years

Strategic tillage of a long-term, no-till soil has little impact on soil characteristics or crop growth over five years

Contextual Support Journal

What is Regenerative Agriculture? - Soils For Life, accessed August 13, 2025

Preview of Stubble load increases frost severity, duration and damage in frost-prone landscapes in south-western Australia - DPIRD's Digital library, accessed August 13, 2025,

Stubble load increases frost severity, duration and damage in frost-prone landscapes in south-western Australia - DPIRD's Digital library, accessed August 13, 2025,

Contextual Support

Stubble load increases frost severity, duration and damage in frost-prone landscapes in south-western Australia - DPIRD's Digital library, accessed August 13, 2025

Preview of Stubble Management Guidelines - Upper North Farming Systems, accessed July 8, 2025,

Stubble Management Guidelines - Upper North Farming Systems, accessed July 8, 2025,

Contextual Support GreyLiterature

The relationships between land management practices and soil condition and the quality of ecosystem services delivered from agri - DAFF, accessed August 13, 2025

Preview of Stubble Retention in Cropping Systems - Gulbali Institute - Charles Sturt University, accessed August 13, 2025,

Stubble Retention in Cropping Systems - Gulbali Institute - Charles Sturt University, accessed August 13, 2025,

Contextual Support GreyLiterature

Stubble Retention in Cropping Systems - Gulbali Institute - Charles Sturt University, accessed August 13, 2025

Preview of Stubble Retention in Cropping Systems in Southern Australia ..., accessed August 4, 2025,

Stubble Retention in Cropping Systems in Southern Australia ..., accessed August 4, 2025,

Contextual Support GreyLiterature

Impacts of retained wheat stubble on canola in southern New South Wales, accessed August 13, 2025

Preview of Stubble Retention in Cropping Systems in Southern Australia: Benefits and Challenges - Charles Sturt University

Stubble Retention in Cropping Systems in Southern Australia: Benefits and Challenges - Charles Sturt University

Contextual Support Journal

Shelterbelts for control of wind erosion | Erosion | Soil | Farm management, accessed August 13, 2025

Preview of The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC, accessed August 13, 2025,

The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC, accessed August 13, 2025,

Contextual Support Journal

The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC, accessed August 13, 2025

Preview of Winter crop variety sowing guide 2023 - NSW Department of Primary Industries, accessed August 13, 2025,

Winter crop variety sowing guide 2023 - NSW Department of Primary Industries, accessed August 13, 2025,

Contextual Support GreyLiterature

Winter crop variety sowing guide 2023 - NSW Department of Primary Industries, accessed August 13, 2025

Context

Region Australia
Biome Temperate Dry Woodlands & Native Grasslands
Land Use Agricultural Crop Production
Assessment Not Stated
Evidence Type ReferenceCondition

Lifecycle

Status Active
Version 1
Effective From 8 Jun 2026

Notes

Lower Critical Threshold: 50 %. Upper Detrimental Threshold: 70 %. The 50-70% range is optimal for balancing ecological benefits and agronomic risks. Levels below 50% are critically low and expose the system to degradation. Levels above 70% introduce significant negative impacts such as nitrogen immobilization, increased disease and pest risks, frost severity, and sowing difficulties. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.