Bert Quin
Fertiliser management of peat/organic soils (b): The RPR alternative
1. Peat/organic soils DO NOT retain water-soluble P, form of P present in superphosphate, TSP or DAP. 2. Scientific research has...
Minimizing Nitrogen Losses
QUINFACTS
THE RPR SERIES
Maintain Production While Minimising P Losses
Bert Quin
- Jul 11, 2021
- 2 min
Phosphate management of peat/organic soils under pasture: (a) Seven key facts you need to know
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...
30 views
Bert Quin
- Mar 13, 2021
- 3 min
Why Regenza®?
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...
58 views
Bert Quin
- Jan 18, 2021
- 2 min
Regenza™ – Regenerative New Zealand Pastoral Agriculture
Does New Zealand need regenerative pastoral agriculture? The rapidly growing interest in regen farming has raised the ire of many dairy...
75 views
Bert Quin
- Aug 4, 2020
- 2 min
High Court Judgement of 31 July 2020 a big win for science and the environment
The complex judgement comes down to 6 key points: Ballance sought a permanent injunction preventing Quinfert Algerian RPR being described...
114 views
Bert Quin
- Feb 23, 2020
- 2 min
Quinfacts - RPR Series (15)
Industry finally dumping the Fertmark 30-minute citric P test for RPR
157 views
Bert Quin
- Sep 8, 2019
- 8 min
Quinfacts - RPR Series (16)
16. What actually is an RPR? The stated knowledge in 2019.
276 views
Bert Quin
- Sep 8, 2019
- 9 min
Quinfacts - RPR Series (15)
15. ‘Dicalcic’ vs Reactive Phosphate Rock (RPR), elemental S and Fine Lime (updated September 2019)
255 views
Bert Quin
- Sep 7, 2019
- 1 min
Quinfacts - RPR Series (14)
14. Quinfert Algerian RPR; All the facts
98 views
Bert Quin
- Sep 7, 2019
- 5 min
Quinfacts - RPR Series (13)
13. An Open Letter to New Zealand Dairy Farmers
46 views
Bert Quin
- Sep 7, 2019
- 7 min
Quinfacts - RPR Series (12)
12. The Sources and Causes of Soil P Losses and the Role of RPR in Reducing Them
38 views
Bert Quin
- Sep 7, 2019
- 1 min
Quinfacts - RPR Series (11)
11. An open letter to New Zealand farmers
30 views
Bert Quin
- Sep 7, 2019
- 1 min
Quinfacts - RPR Series (9)
9. Quin Environmentals Provides Two Quinfert RPR Grades (V1 and V2)
41 views
Bert Quin
- Sep 7, 2019
- 4 min
Quinfacts - RPR Series (8)
8. The time has come for New Zealand to completely stop making superphosphate
34 views
Bert Quin
- Sep 7, 2019
- 2 min
Quinfacts - RPR Series (7)
7. The facts about serpentine superphosphate
168 views
Bert Quin
- Sep 7, 2019
- 7 min
Quinfacts - RPR Series (6)
6. Important facts about superphosphate and RPR
68 views
Bert Quin
- Sep 7, 2019
- 2 min
Quinfacts - RPR Series (5)
5. The effect of the sulphur form used on the ratio of S to P required
24 views
Bert Quin
- Sep 7, 2019
- 4 min
Quinfacts - RPR Series (4)
4. What every farmer should know about cadmium (Cd)
24 views
Bert Quin
- Sep 7, 2019
- 2 min
Quinfacts - RPR Series (3)
3. Using RPR in low soil P, low rainfall, high pHor extremely high P retention (>97% PR)
27 views
Bert Quin
- Sep 7, 2019
- 5 min
Quinfacts - RPR Series (1)
1. Economic and environmental benefits of reactive phosphate rock (RPR)
81 views
