Whitepapers

Physical fertility: The most limiting element in flower growing is oxygen. Plant roots cannot grow and function properly below around 5% partial pressure of oxygen (Oxygen is at 21% ...

Read More

Mulches and Soil Improvers: We have a problem in a landscape largely composed of Lomandra in traffic islands and roundabouts. The plants are yellowish and failing to thrive. We have ...

Read More

Making Soils on a Large Scale: The Sydney Olympic Park and Millennium Parklands development was the largest urban reconstruction yet carried out in Australia. The site encompasses the original State ...

Read More

Its place in diagnosis: Our laboratory performs many more soil analyses than foliage analyses. This may appear to be as illogical as analysing a persons food in order to diagnose ...

Read More

Soil Chemistry – Theory & Practice: A soil in nature shows certain predictable trends as we proceed down the profile. The Kings School is situated in an area of Shale ...

Read More

Glossary of Horticultural Soil Additives: The following is a glossary of common soil additives used in the Horticultural industry. While most people recognise these terms, there may still be some ...

Read More

Question: There is a lot of differing advice on feeding of Australian Native plants, particularly with regard to phosphorus. Can you explain in simple terms what your recommendations might ...

Read More

Question: We have a saline, alkaline dredged material to revegetate for open space parkland. Can this be done or should we allow for importation of topsoil?

Read More

Accreditations / Affiliations