1. Peat/organic soils DO NOT retain water-soluble P, form of P present in superphosphate, TSP or DAP. 2. Scientific research has...

1. New Zealand has over 200,000 ha of peat (aka organic) soils, mostly in the Hauraki Plains and the Waituna catchment in Southland. Most...

As people who read my website www.quinfert.co.nz or my posts on LinkedIn will know, I have started taking part in the debate on...

Objective: Regenza® strives to optimise the production of nutritious food, while restoring and protecting the environment, increase...

Does New Zealand need regenerative pastoral agriculture? The rapidly growing interest in regen farming has raised the ire of many dairy...

The complex judgement comes down to 6 key points: Ballance sought a permanent injunction preventing Quinfert Algerian RPR being described...

Part 1 High P-using dairy farms in the Waikato and Taranaki have enriched soil cadmium (Cd) levels because of the decades-long use of...

There is a way Dr Bert Quin, July 2011 We have pretty much done the easy bits – fencing streams for example, to prevent direct access by...

The Nitrogen Problem and What to Do About It

Observations on the 2016 International Groundwater Conference, San Francisco 28-30 June 2016