Proportion of land area receiving adequate fertiliser/soil ameliorant application, by type

Units

Percentage (%)

Example target

Benchmark against best practice

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Site-specific measurements or model outputs

Notes

The relevant target and time period for fertiliser/soil ameliorant application of each type will depend on the production system, target productivity level and climate.