The complex judgement comes down to 6 key points: Ballance sought a permanent injunction preventing Quinfert Algerian RPR being described as an RPR in advertising. It failed in this objective. To quote from the judgement: “Apart from the [Fertmark] citsol test, the Algerian RPR meets the other tests for RPR.” And further, the Judge said: … Read more
Part 1: Background. A suggested path for improving New Zealand’s water quality and reducing global warming gas emissions, starting now. Part 1: Background. (Part 2: increasing soil C). In the 35 years since the future importance of agricultural exports was dismissed by the government of the day, we have instead become increasingly dependent … Read more
1. Peat/organic soils DO NOT retain water-soluble P, form of P present in superphosphate, TSP or DAP. 2. Scientific research has demonstrated mass that P fertilisers only need to contain 0.10-0.15 mg/L (ppm) water soluble P in the soil solution to maintain maximum pasture production. The sustained-release of RPR over 2-3 years maintains this … Read more
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 have been drained and underdairying. 2. The use of soluble P fertiliser like superphosphate and DAP on these soils is disastrous . Most of the soluble P is lost in … Read more
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 regenerative farming (regen for short). Many members of the agricultural research fraternity, particularly those involved in various aspects of dairy farming, have criticised regen for even daring to exist as a … Read more
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 high-Cd manufacturing phosphate rocks from Nauru and Christmas Island to make superphosphate. This shameful legacy is being ‘managed’ by MPI by restricting the Cd level in phosphate fertilisers that can be … Read more
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 stock and preventing runoff of effluent into streams being the two big ones – but nutrients continue to enter waterways from our agricultural land, simply because … Read more