Turn challenges into opportunities when you choose our innovative fertiliser solutions and customised service for New Zealand dairy farmers
We understand that finding fertiliser to maximise productivity while avoiding environmental wastage is one of the biggest issues facing dairy farmers in NZ. We know that budgets must be met and compliance is non-negotiable.
Perhaps meeting these challenges has inspired you to explore innovative ways to boost soil and animal health, and overall farm performance.
At Fertco, we specialise in products developed to achieve these goals. Contact your local Field Rep for personalised service and discover how we can help your dairy farm thrive.

FERTCO SOLUTIONS FOR DAIRY FARMS
We have a full range of conventional dairy farm fertiliser products and the largest range of BioGro certified organic fertiliser products in New Zealand.
Three of our bestsellers:
RePlenish

A high-analysis dicalcic phosphate, proven to reduce phosphate loss. Applied at rates 20 to 30% less than soluble phosphates such as Super and less acidic. So you can replenish soil phosphates without wastage to waterways or your pocket.
Analysis
P: 9 | S: 8.3 | Ca: 24
Learn more about RePlenish here.
44 Magnum

A single application of 44 Magnum provides three months grass growth. A coated urea with fast and slow release nitrogen and fast-acting sulphur. There’s no worry with leaching and volatilisation. Ideal for late winter and early spring applications where nitrogen caps and wet ground can pose problems.
Analysis
N: 29 | S: 14.6
Learn more about 44 Magnum here.
SeaPhos

An innovative dicalcic phosphate with sulphur, lime, and naturally-brewed seaweed biostimulants, all wrapped up in each granule. Neutral pH reduces soil acidity and has a liming effect. Take care of your soil and boost your soil biology.
Analysis
P: 5 | S: 4 | Ca: 30 | pH: 6.5 - 6.7
Learn more about SeaPhos 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