Our experienced team is always available to assist you with your global inspection and analysis requirements.


Alfred H Knight is a trusted partner, providing a comprehensive range of independent inspection, testing and certification services for dry bulk mineral fertiliser cargo.


We employ approved, dedicated inspectors and have a network of associated laboratories to ensure that activities related with the weighing and sampling of the cargo, including moisture determination and quality sample preparation and analysis, are undertaken to international quality standards.



  • Urea
  • Ammonium Sulphate
  • Phosphate Fertilisers (TSP, MAP, DAP)

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Contact us today to speak with one of our experts about how AHK can help you.


We provide the following principal weight and quality inspection and surveying services:

Reception sampling and inspection

Pre-shipment sampling, inspection and analysis

Pre-loading hold inspection

Initial and final draught survey

Loading supervision of bulk and bagged cargo

Sampling during loading

Sealing of hatches

Daily updates and issuance of reports

Hold inspection and loading supervision in line with Australian government quarantine standards

Our high standard of technical expertise, many years’ experience in classical analysis and investment in the most sophisticated instrumental techniques enables our laboratories to provide a fast, accurate and reliable service.

Physical Tests including sizing, uniformity of colour

Analysis of primary nutrients and trace elements including heavy metals

Moisture Determination

Rapid NPK composition analysis

Our experienced team of agronomists and field surveyors provide traceability, and field studies throughout the supply chain, including monitoring application rates and product tracking from field through to finished product

Seed and crop services

Monitoring application rates

Product tracking

Speak to an Expert Today!

Our experienced team are always available to assist with your global inspection and analysis requirements.