Lime Assistor

  • Australian Government’s Climate-Smart Agriculture Program under the Natural Heritage Trust
  • 2026
  • High Rainfall Southern Australia
  • Current
Poster 11 soil core IMG 2257

Research Question

Welcome to LimeAssistor – Your Hub for Soil Acidity Solutions LimeAssistor is your go-to resource for managing soil acidity, designed to complement and enhance your use of LimeAssist. Whether you're evaluating the cost-effectiveness of liming, determining optimal application rates, planning re-liming schedules, or comparing lime products, LimeAssist helps you make informed decisions with confidence.

Research Information & Objectives

To support farmers and agricultural advisors in making informed, cost-effective decisions about liming practices to manage and mitigate soil acidification.

LimeAssist Calculator

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Do I need to Lime this paddock?  Decision Matrix

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Access the Decision Wizard here...

Workshop Resources

SFS Trial Results Papers

2023 - Lime effects on micronutrient nutrient availability 

2022 - Improving accuracy of lime rate calculations to ameliorate soil acidity

2021 - How effective is prilled lime in addressing acidity?

2020 - Yield responses to different methods of lime application in 2020

GRDC Update Papers

2024 Learnings from long term lime response research - GRDC

2022 Removing yield barriers caused by acidity and preventing subsoil acidification - GRDC

2021 The economics of rule of thumb applications - GRDC

2020 Acidity – soil sampling and lime incorporation under review - GRDC

Explore past SFS Research & Extension Soil Acidity Projects

PIRSA/GRDC project: Acid Soils Southern Region

DAFF/GRDC Project: Building the resilience and profitability of farmers

Producer Case Studies

  1. Grid Soil Mapping Helps New Farm Development
  2. Reducing Acid Soil Variability Using Variable Rate Liming
  3. Investigating if I have an Acid Throttle in the Soil Profile?
  4. Investigating acidity in sub-surface soils.

MLA Project: Healthy Soils

DPI NSW/GRDC Project: Innovative approaches to managing subsoil acidity

Webinars, videos & podcasts

Tackling Acid Soils - findings to date video

Lime And Managing Soil Health - GRDC

Useful other resources

Legumes in acidic soils - Maximising production potential - GRDC

Soil acidity and liming 4th edition

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