Fertiliser Review

The Fertiliser Review is your gateway to insights in the fertiliser sector. The Fertiliser Review bridges the gap between innovation and implementation, offering a platform where breakthroughs are shared, trends are examined, and best practices are highlighted.

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Fertiliser Review No.54

Published: 17 Apr 2026

Potassium
Free-Living Nitrogen Bacteria
Probitas
Fertiliser Advice and AI

Fertiliser Review No.53

Published: 9 Oct 2025

Slow Release Nitrogen
Tnue Smartfert

Fertiliser Review No.52

Published: 14 May 2025

Soil Testing: Getting It Wrong!
Foliar Nitrogen (N)
More About Snake Oils
Regenerative Agriculture

Fertiliser Review No.51

Published: 3 Dec 2024

Interpreting the Olsen P Soil Test
Regenerative Agriculture - Update
Phosphorus Fixation - An Old Porky
The Enigma of Soil Potassium

Fertiliser Review No.50

Published: 7 Mar 2024

50th Edition of the Fertiliser Review
Sustain and N-Protect
Understanding Cumulative Distribution Functions

Fertiliser Review No.49

Published: 19 Oct 2023

The Reactive Phosphate Rock (RPR) Story
Paradigms
Agrisea: Another Interesting Story
Hydroboost

Fertiliser Review No.48

Published: 15 Mar 2023

Fertiliser Prices: What To Do?
Regenerative Agriculture: The Evidence is Accumulating
Tow & Fert: Making N More Efficient?

Fertiliser Review No.47

Published: 20 Oct 2022

Revolution in the Air?
Biozest
Regenerative Agriculture - What Is It?
Probitas
Molybdenum (Mo)

Fertiliser Review No.46

Published: 13 Oct 2022

Regenerative Agriculture - The First Shots Have Been Fired
White Clover - Welcome Back?
Pasture Visual Assessment (PVA)
Fertiliser Costs
Trends in Fertiliser Costs
Turning the Sods

FERTILISER REVIEW NO. 45

Published: 1 Sep 2021

Overseer
Science Method
Price Watch
Spot the Problem
Soil Biology and Biodiversity
Phosphate Reserves

Fertiliser Review No. 44

Published: 1 Mar 2021

Regenerative Agriculture - Revisited
The Soil Fertility Status of NZ Soils
The Missing Link?
RPRS Rear Their Ugly Head - Again!
Biohelp
Tow And Fert
Albrecht-Kinsey Soil Testing Put To The Sword Again

Fertiliser Review No. 43

Published: 1 Mar 2020

Managing Water Quality
Surephos
New Product: Tripleplus

Fertiliser Review No. 42

Published: 1 Sep 2019

Regenerative Agriculture

Fertiliser Review No. 41

Published: 1 Mar 2019

Clover-Based Pasture First?
Fine Particle Application of Fertilisers
Greenpeace vs the Fertiliser Companies
Reactive Phosphate Rock (RPR)
The ETS and the Zero Carbon Bill

Fertiliser Review No. 40

Published: 1 Sep 2018

Smart Products or Good Marketing
Regenerative Agriculture
Fine Particle Application (FPA) Fertilisers
Urea and SustaiN Decreases Pasture Production?
Lime
Soil Acidification: A Sustainability Issue for High Country?
When is an Experiment not an Experiment?

Fertiliser Review No. 39

Published: 1 Nov 2017

SmartFert - the Holy Grail?
Fertiliser Advice
RePlenish from Terracare Fertilisers Ltd
Urea and SustaiN can decrease pasture production?

Fertiliser Review No. 38

Published: 1 Mar 2017

Price Watch
Potassium
Tow & Fert
A New Fertiliser Company
Fine Lime
Carbon Dioxide: Friend or Foe?

Fertiliser Review No. 37

Published: 1 Sep 2016

Pasture First
Fine Particle Application (FPA)
Sustain and Phased N
All Paddock Testing
A Tragic Case of Misdiagnosis

Fertiliser Review No. 36

Published: 1 Mar 2016

What Fairfax Media Chose Not to Publish
New Product: Thermophos
Speculation About Silicon
When is an RPR not an RPR
Dicalcic Phosphate: Weasel Words

Fertiliser Review No. 35

Published: 1 Sep 2015

Talking About Soil Organic Matter
Are Your Nutrient Tanks Full
Fine Particle Application (FPA)
Let the Buyer Beware (Again!)
Managing Nutrients in Farm Dairy Effluent

Fertiliser Review No. 34

Published: 1 Mar 2015

Sustain
Changes to the Fair Trading Act
Maxicrop is Back
Soil Test Histograms

Fertiliser Review No. 33

Published: 1 Sep 2014

Sulphur Fertilisers
Old Recipes May Not Work
Beware: The Resin Test and Reactive Phosphate Rocks
Aluminum Soil Test
All Paddock Testing

Fertiliser Review No. 32

Published: 1 Mar 2014

Feed the soil versus feed the plant
More soil testing problems
Biological farming - what is it?
Phosphate rock reserves - sustainable?
Sustain
Stick with Science

Fertiliser Review No. 31

Published: 1 Jun 2013

Overseer is not a regulatory tool
A 50% increase in productivity by year 2025

Fertiliser Review No. 30

Published: 1 Mar 2013

Sustainability – how does this apply to agriculture?
Water Quality – some questions you should ask your Regional Council
Is the climate changing?
Sustainable Nitrogen Fertilisers
Is Nitrogen a pollutant?

Fertilizer Review No. 29

Published: 1 Sep 2012

Agrisea
All Paddock Testing – Chasing Tales
Humates, Fulvates and Soil Organic Matter
Introducing Dr Robert McBride, Soil Phosphorus Retention
Case Study: Abron Farm Consultants

Fertiliser Review No. 27

Published: 1 Sep 2011

Potassium: A forgotten Nutrient?
All Paddock Soil Testing – an analysis of the process and it’s merits
All about Abron
Pasture Persistence: a soil fertility problem?
Professional incompetence or poor training?

Fertiliser Review No. 26

Published: 1 Mar 2011

Bas Saturation Ratios – Why they are Nonsense!
Nutrient Quality or Nutrient Ratios?
Defining Soil PH
Measuring CEC
The Quantity Theory
Balanced Nutrition
Hill Laboratories Again
Climate Change and ETS
The Price of Independence

Fertiliser Review No. 25

Published: 1 Sep 2010

The Organic Movement: New Products Old Stories Same Nonsense
Open Letter to Hill Laboratories
Your Questions Answered
Organic Foods: Are they Better?
The New Zealand Soil Carbon Conference

Fertiliser Review No. 24

Published: 1 Mar 2010

Get your Fertiliser Act Together
Less N
SustaiN: In More Trouble?
EcoN
The Commercialization of Science
Post Script

Fertiliser Review No. 23

Published: 1 Sep 2009

SustaiN – contemptible advertising
The Brix Test – what does it mean?
Pasture is King & Clover is Queen – the principles of effitient pastoral farming
Price Watch
How to Read your Soil Test Reports
Soil Testing – leave it to the experts

Fertiliser Review No. 22

Published: 1 Mar 2009

Sustain versus Urea
Fertiliser Co-ops: Who do they serve?
Poos and wees: how much and were does it go?
ProGibb
Nutrient Budgets: interprete with caution
Elemental Sulphur: Our recent experience
Price Watch

Fertiliser Review No. 21

Published: 1 Sep 2008

Fertiliser Costs: What do we do?
How to feed Soil Bugs
Under the fence line
Nitrogen Inhibitors: A need for National Trial
Earthworms: The Dangers of Romantic Love

Fertiliser Review No. 20

Published: 1 Mar 2008

Managing soil organic matter
Fertiliser prices: living with increasing costs
Mainland Minerals: Again!
A new soil test for sulphur?

Fertiliser Review Special Edition

Published: 1 Nov 2007

Why do we need lime?
Liming Materials
Animal Health

Fertiliser Review No. 19

Published: 1 Oct 2007

Has you pasture got the pox? Nutrient deficiencies
The Organic Movement – its origins
Can you have you cake and eat it? Environmental good news
What were they thinking? – a liquid fertiliser story
A question for the co-operatives? Di-calcic superphosphate
Price Watch – P fertilisers
Farmers, fertilisers and anecdotal evidence

Fertiliser Review No. 18

Published: 1 Mar 2007

Some lessons for the field
Beware: Another Doomsday Prophet
More Good News: Food Quality
Commerce One, Science Zero
Stop the digger
Are your paradigms shifting?

Fertiliser Review No. 17

Published: 1 Oct 2006

Nitrogen Fertiliser Revisited
The Cost of P Fertiliser
Mainland Minerals: a case of let the buyer beware?
New versus old pasture

Fertiliser Review No. 16

Published: 1 Apr 2006

Efficient fertiliser use on the dairy farm
All you need to grow?
Fertiliser: what to do in a downturn
Potassium: malignant or maligned?

Fertiliser Review No. 15

Published: 1 Oct 2005

Ureas versus Sustain
Lime: Is finer better?
When is a Fertiliser not a Fertiliser?
Fertiliser: always a good investment

Fertiliser Review No. 14

Published: 1 Apr 2005

Acidification due to fertilisers?
Growing for Good
More Good News: Soil Quality
A matter of Opinion?

Fertiliser Review No. 13

Published: 1 Sep 2004

Good news for soil life
Urea: Volatilization losses of N
A Case of Confusing Advice?
Magic bullets? Nitrification and urease inhibitors

Fertiliser Review No. 12

Published: 1 Mar 2004

Dicalcic phosphate
FERTMARK
Southern Fertilisers Ltd (now called Uptake Ltd)
Interpreting sulphur soil tests
DAP
Phosphate poisoning

Fertiliser Review No. 11

Published: 1 Sep 2003

Pasture sulphur requirements
Lime-Flo: liquid lime
Sechura RPR
Soil Testing: which laboratory?
Total Nutrient Management

Fertiliser Review No. 10

Published: 1 Mar 2003

The economics of fertiliser use
P lockup? P fixation?
Sulphur
Managing nitrate leaching
Let the buyer beware
Total Nutrient Management: a new service
Price watch

Fertiliser Review No. 9

Published: 1 Aug 2002

Efficient fertiliser use
Nutrient budgeting
Managing nutrient runoff
What is the optimal Olsen P?
Liquid fertilisers – again?
Product and services to avoid
Price watch
Phosphate rock reserves

Fertiliser Review No. 8

Published: 1 Mar 2002

Transport and spreading costs
Biophos – organic but!
The Resin P test: Science and intrigue
Soil fertiliser trends: are we sustainable?
Soil inoculants, bio-stimulants and activators

Fertiliser Review No. 7

Published: 1 Sep 2001

Trace elements
Fertiliser economic in Hill Country
Calcium, Lime and soil pH
Soil physical quality
Maintaining Fertiliser Quality standards
Price Watch: Nitrogen fertilisers

Fertiliser Review No. 6

Published: 1 Mar 2001

Lime Hill Country – is it economic?
Flea clover, Flea! A nitrogen dilemma
Why soils become acid
Script Fertiliser and FERTMARK
Scientific v observational trials
Magnesium revisited

Fertiliser Review No. 5

Published: 1 Oct 2000

Nitrogen fertilisers: a need for caution?
Soil acidification due to fertilisers.
Plant nutrient ratios: what do they mean?
Mainland Minerals: be aware!
Fluid Fertilisers Ltd
Sodium fertiliser: an update.
Price watch: Magnesium fertilisers.

Fertiliser Review No. 4

Published: 1 Feb 2000

Nitrosol: Liquid blood and bone
Soil Testing: Base saturation ratios
Price watch: Nitrogen fertilisers
Organic v chemical fertilisers
Summit-Quinphos: Misuse of science?

Fertiliser Review No. 3

Published: 1 Oct 1999

The P fixation bogey (Part 3)
Magnesium fertilisers for pastures
Solid versus liquid fertilisers
Price watch: Phosphate fertilisers
Super versus RPR?
Lime reverted super

Fertiliser Review No. 2

Published: 1 Mar 1999

Sodium: not a cure all….
Lime and liming materials
The P fixation bogey (Part 2)
Prescription Fertilisers (NZ) Ltd
Maxicrop is back….
The cost of P in super

Fertiliser Review No. 1

Published: 1 Oct 1998

Lime -reverted superphosphate
The P fixation bogey (Part 1)
Reactive phosphate rocks
Prescription Fertilisers (NZ) Ltd
Cost of nutrients