Commercial Fertiliser Testing

Nutrient Advantage provides commercial fertiliser testing from our Brisbane laboratory for both solid and liquid products. This purpose-built capability ensures batch-level verification, giving confidence that what’s on the label is what’s delivered to growers. 

Built on decades of testing, quality assurance, and analytical expertise developed through historic manufacturing support, our team delivers results that are reliable, accurate, and fit for purpose. Whether you’re checking product consistency, meeting regulatory requirements, or verifying imported batches, our fertiliser testing services are practical, trustworthy, and tailored to Australian conditions.

Business benefits 

• Protect your brand and product integrity: batch-level fertiliser quality verification 
• Reduce risk: detect variability before product reaches growers 
• Commercial flexibility:  optional testing of competitor products
• Confidence in compliance and quality:  results you can act on

Why choose Nutrient Advantage for fertiliser testing 

Fertiliser expertise you can trust 

Our team brings deep experience in chemically produced fertilisers, developed while supporting the former Gibson Island facility. Fertiliser testing isn’t an add-on - it’s a dedicated capability delivering accurate, actionable results for Australian products. 

Fit-for-purpose, industry-standard methods 

We use internationally recognised methods (AOAC, IFDC, APHA) selected for fertiliser matrices, ensuring results are accurate, defensible, and directly relevant to Australian products. 

Confidence in every result 

Participation in international Proficiency Testing Programs (PTP) and Interlaboratory Comparison Programs (ILCP) provides independent verification. Nutrient Advantage is currently seeking NATA accreditation for its fertiliser testing services. 

Advanced laboratory capability 

ICP-MS, ICP-AES, HPLC, GC-FID, FTIR, automated titration - our lab is equipped for a wide range of analyses across all fertiliser types. 

Efficient turnaround

Results are typically delivered within 7 weekdays. 

Flexible, customer-focused testing 

Tailored test suites for different fertiliser types, with options for alternative combinations to meet specific requirements. 

What we test  

• Solid fertilisers 
• Liquid fertlisers

Submitting fertiliser samples
Sample guidelines - solid fertilisers:

• Sample size: 1 kg (unless otherwise specified); for bulk density testing, 4–5 kg
• Containers: Clean, sealable, moisture-resistant containers; avoid lightweight takeaway-style containers
• Sampling: Use D-tubes, PVC tubes, sampling buckets, screens, or riffle splitters
• Labelling: Clearly indicate product type, sample ID, and sample date