Turn challenges into opportunities when you choose our innovative organic fertiliser and customised service for New Zealand organic farmers and growers
Whether you already farm organically, or you’re transitioning to organics, we understand that a healthy soil is at the heart of organic farming practices. So you need solutions that build soil fertility while looking after soil life.
We can support you on this journey with our trusted range of BioGro certified organic fertiliser, including slow release fertiliser options that provide long-term nutrient availability without compromising soil structure or soil biology.
Contact us to find out more about how we can help.

We have over 15 years experience supplying the Organics industry with customised mixes made from BioGro certified soil and plant nutritional products. So you’re in good hands.
Access our current BioGro certificates of compliance here.
FERTCO SOLUTIONS FOR ORGANIC FARMERS & GROWERS
We have the largest range of BioGro certified organic fertiliser products for farmers and growers in NZ.
Three of our bestsellers:
Protamin® N13

An innovative organic granular biostimulant providing a slow, medium, and fast release source of nitrogen. High in organic carbon and water absorption capacity.
Analysis
N: 13
Learn more about Protamin® N13 here.
Guano

A natural form of slow-release phosphate, derived from the nutrient-rich deposits of seabirds and suitable for use in all types of organic farming.
Analysis
P: 10 | S: 0.3 | Ca: 25
Learn more about Guano here.
Phosta K

A by-product of the sugar industry, so a natural, high-analysis organic source of potassium with other plant-essential elements..
Analysis
P: 1 | K: 30 | S: 8.5 | Mg: 2.4 | Ca: 8
Learn more about Phosta K here.
Whether you need NPK, calcium, magnesium, sulphur, humates, trace elements, or biostimulants, we’ve got you covered.
FERTCO SERVICES
Take advantage of our personalised services to find out how our innovative products can work for you.
Soil Testing
Don’t guess what your soil needs. Get your local Field Rep to sample it for you or do it together. You only pay for the lab analysis.
I need a soil test
Fertiliser Recommendations
Get a personalised fertiliser recommendation, not a computer-generated one-size-fits-all offering.
I need a fertiliser recommendation
Fertiliser Programmes
You’ve sorted your annual fertiliser, but what about next season, and the one after that? Sometimes, long-term goals are the smart way to go. Our Field Reps can do that too.
A fertiliser programme would be great
Compliance and Regulations
Need a nutrient budget report that meets compliance and regulatory requirements? We can share the responsibility of accounting for the nutrients that you purchase from us.
Yes, I need a nutrient report
THE FERTCO DIFFERENCE
OUR PEOPLE:
We are strong on kiwi-can-do attitude
OUR SERVICE:
We deliver a highly personalised experience
OUR PRODUCTS:
We custom-blend and continuously innovate