Date

2019/03/01

Organisations

Fertilizer Australia

Agriculture Victoria Research, Department of Jobs, Precincts and Regions

Department of Primary Industries and Regional Development

Authors

Cameron Gourley

David Weaver

Purpose

The purpose of this document is to describe farm-based ‘fit for purpose’ soil sampling methods. These guidelines aim to ensure that soil sampling is well planned, well-equipped and well suited for its designated purpose.

Contents

  • Why collect soil samples?
  • When to sample
  • Selecting areas to sample within the farm
    Farm level sampling strategies
    Aerial photographs and developing a farm map
    Accounting for soil types, landscapes, hydrology and topography
    Identifying paddock / block management practices
    Selecting representative paddocks / blocks for sampling
  • Procedure for collecting soil samples from selected paddocks/blocks
    Sampling approaches
    Areas to avoid
    The correct number of soil cores to achieve a representative sample
    Sampling pattern for selected area with no previous fertiliser banding
    Sampling pattern for selected area with previous fertiliser banding
    Sampling to the correct depth
    Documenting and recording soil sampling location and pattern
  • Soil sampling equipment
    Selecting the right sampling tools
    Using soil sampling tools correctly
    Hygiene
  • Soil sample handling and dispatch
    Submitting samples
    Quarantine issues in soil and plant sample movement
  • Work Health and Safety (WHS)
  • Soil sampling checklist
  • References and Further reading