Agricultural Testing

Agricultural Soil Testing

Environmental Science Solutions provides chemical and physical agricultural soil testing. Testing includes:


- Exchangeable cations (Ca, Mg, K, Na, H, Al)

- Available micro-nutrients (Fe, Cu, Zn, Mn, B, Si)

- Phosphorous 

- Nitrate, ammonium, sulfur

- Soluble nutrients (Ca, Mg, K, P) via Reams dilute Morgan method

- pH

- Electrical conductivity

- Colour, texture

- Carbon and nitrogen


Please enquire about further testing options. 


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Compost, Potting Mix and Topsoil Testing

Australian compost, potting mix and topsoil must comply with a range of standards. These are:


1. AS4454 - Relevant to compost and mulch. This Standard guides anybody dealing with compost and mulch on the process for production to ensure protection of human health, the environment and food quality. AS4454 testing includes:

- Organic matter (TOC)

- Total carbon/nitrogen

- Dissolved nutrients

- Nitrogen drawdown

- Total metals

- Total salts

- ph/EC

- Wettability

- Particle size

- Propagules

- Heavy metals

- Pesticides

- Pathogens

- Other contaminants


2. AS3743 - Relevant to anybody dealing with potting mix. This Standard sets out the minimum requirements of potting mix to promote healthy plant growth. AS3743 testing includes:

- Dissolved nutrients

- Nitrogen drawdown 

- Total salts

- Available metals

- pH/EC

- Wettability

- Water holding capacity

- Air filled porosity

- Bioassay (growth)


3. AS4419 - Relevant to anybody dealing with landscape or garden soil. This Standard sets out the requirements for physical and chemical quality of the product. AS4419 testing includes:

- Organic matter (TOC)

- Total carbon/nitrogen

- Dissolved nutrients

- Nitrogen drawdown

- Total metals

- Exchangeable nutrients

- ph/EC

- Wettability

- Permeability

- Dispersibility

- Particle size

- Water holding capacity

- Air filled porosity

- Bioassay (growth)

- Propagules

- Texture

- Bulk density

- Heavy metals

- Pesticides

- Other contaminants


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Plant Matter Testing

Plant matter testing is available for all components of the plant. Testing includes:

- Micro-nutrients (P, K, Ca, Mg, K, Na, Fe, Cu, Zn, Mn, B, Si, Co, and Mo)

- Total C, N and S

- Nitrate and ammonium 

- Heavy metals 

- Pesticide and herbicide residue 


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