Trying to find fertiliser products that tick all the boxes can be a challenge. That’s where we come in.
It must look after your soil and the environment, comply with NZ input and application rules, and fit your budget, all without compromising growth and production. That’s quite a list!
So, we understand that it’s easy to go for the one-size-fits-all option. But you don’t need to settle for second best.
At Fertco, we custom blend your order from our extensive range of nutrient efficient conventional and organic fertilisers to ensure that you get the right fertiliser for you and your property.
Contact your local rep for expert advice or call 0800 232 733.

FERTCO PRODUCTS
Discover Fertco products designed to help meet the challenges faced by today’s farmers and growers.
Some of our Bestsellers:
KingPhos

Reduce waste with granulated dicalcic phosphate
KingPhos ranks highly for nutrient efficiency and safe, accurate application. It releases its phosphates in a controlled way while lifting soil pH. So it’s kind on soil biology and the environment too.
Learn more about the advantages of applying KingPhos.
RePlenish

Save money while replenishing your phosphates
Replenish is a high-analysis dicalcic phosphate. It’s not soluble like Super, and you can apply it at rates that are 20-30% less. It’s also proven to reduce phosphate losses. That’s a winning formula to reduce wastage to waterways and your pocket.
Tell me more about RePlenish.
SeaPhos

Opt for a dicalcic phosphate that boosts soil biology
SeaPhos is no ordinary phosphate fertiliser. It has all the benefits of dicalcic phosphate and natural seaweed biostimulants blended together. Soil health and biology, plant health and growth are optimised.
Find out why SeaPhos is such an innovative product.
44 Magnum

Take control of your nitrogen use
Unlike many common nitrogen fertilisers, 44 Magnum is designed to release its nitrogen in a controlled way over a much longer time. It has added sulphur for immediate growth response. Apply it once and you’re done!
Learn more about how 44 Magnum is perfect for wet and busy times.
N Smart

Protect the environment with a smarter nitrogen fertiliser
N Smart is a source of polymer-coated nitrogen, designed to reduce volatilisation and leaching. The outcome is that less nutrient is lost so you get a greater yield from each kg of nitrogen applied. Now that’s nutrient efficient!
Check out more benefits of using N Smart.
N-durance

Optimise your N-Cap allowance
Because N-durance contains both N-inhibited and polymer-coated nitrogen, it tackles wastage by slow and controlled release of its nutrients. So, reduced losses to waterways, and less needed to achieve the same growth. An N fertiliser that stays the distance!
See more about how N-durance is nutrient efficient.
Protamin® N13

Prioritise soil health with natural nitrogen
Finally, a BioGro-approved, organic source of nitrogen! No worries with soil health because Protamin® N13 has added biostimulants and a fast, medium, and slow release of nutrients. That’s also a tick for the environment.
Explore the benefits of Protamin® N13.
Phosta K

Choose a BioGro approved, natural potash
Phosta K is made from 100% plant-based material sourced from sugar cane processing by-products. It’s less soluble than other potash fertilisers so slower to break-down. Another winner if you want to support soil health.
Read more about how Phosta K can work for you.
Double S

Get granulated high-analysis sulphur for year-round growth
Double S contains two types of sulphur in the one product for a regular and continuous supply of sulphur over an entire season. You won’t grow healthy pasture and crops without sulphur.
Read how sulphur and Double S can boost growth.
MORE PRODUCTS
Find more of our products for your farm type:
Dairy Farming
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Nitrogen | Fast + slow release | |
Ag Lime ⚘ | BioGro-cert. lime | Adjusts soil pH |
Ag Salt ⚘ | BioGro-cert. salt | Adjusts Na levels |
Ammo | Nitrogen + sulphate | Fast + slow release |
DAP | Nitrogen | N+P, acts fast |
DAP + S | Nitrogen | N+P+S, acts fast |
Dolomite ⚘ | BioGro-cert. lime + Mg | Natural, easily absorbed |
Suphur | Fast + slow acting S | |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
ExteNd | Nitrogen | Urease inhibitor |
Fishmeal ⚘ | BioGro-cert. nitrogen | |
Granulated lime | Dust-free | |
BioGro-cert. phosphate | High Ca, slow release | |
Gypsum ⚘ | BioGro-cert. soil improver | Reduces compaction |
BioGro-cert. soil improver | Stimulates plant growth | |
Kieserite | Magnesium | Fast-acting |
Dicalcic phosphate | Has liming affect | |
Muriate of Potash (MOP) | Potash | Economical form of K |
Nitrogen | Coated urea, slow release | |
Nitrogen | Urease inhibitor, coated | |
N-durance + S | Nitrogen + sulphur | N+S, fast + slow acting |
BioGro-cert. potash | Natural Cl-free K | |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast + slow release |
Progresso | Dicalcic phosphate | High P, controlled release |
Dicalcic phosphate | Low acidity, maintains pH | |
RPR ⚘ | BioGro-cert. phosphate | Natural P, less lost |
Dicalcic phosphate | Added biostimulants | |
SOA | Nitrogen & sulphur | High N, fast acting |
SOP ⚘ | BioGro-cert. potash | S+K, fast acting |
Super S | Sulphur | High S+N, fast acting |
Upgrade | Dicalcic phosphate | Fast + slow P release |
Sheep and Beef
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Ag Lime ⚘ | BioGro-cert. lime | Adjusts soil pH |
Ag Salt ⚘ | BioGro-cert. salt | Adjusts Na levels |
DAP | Nitrogen | N+P, acts fast |
Dolomite ⚘ | BioGro-cert. lime + Mg | Natural, easily absorbed |
Suphur | Fast + slow acting S | |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
ExteNd | Nitrogen | Urease inhibitor |
Granulated lime | Dust-free | |
BioGro-cert. phosphate | High Ca, slow release | |
Gypsum ⚘ | BioGro-cert. soil improver | Reduces compaction |
Dicalcic phosphate | Has liming affect | |
Muriate of Potash (MOP) | Potash | Economical form of K |
Nitrogen | Urease inhibitor, coated | |
RPR ⚘ | BioGro-cert. phosphate | Natural P, less lost |
Dicalcic phosphate | Added biostimulants | |
SOA | Nitrogen & sulphur | High N, fast acting |
SOP ⚘ | BioGro-cert. potash | S+K, fast acting |
Super S | Sulphur | High S+N, fast acting |
Upgrade | Dicalcic phosphate | Fast + slow P release |
Horticulture
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Nitrogen | Fast + slow release | |
All-purpose blend | Easy to apply | |
Avocado blend | With traces | |
CAN | Nitrogen | N+Ca, fast + slow acting |
Citrus blend | High NPK with traces | |
Compost ⚘ | BioGro-cert. soil improver | Boosts organic matter |
Compound Blue | All-purpose blend | Chloride-free |
DAP | Nitrogen | N+P, acts fast |
Dolomite ⚘ | BioGro-cert. lime + Mg | Natural, easily absorbed |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
ExteNd | Nitrogen | Urease inhibitor |
Fishmeal ⚘ | BioGro-cert. nitrogen | Fast+slow release |
Fulvic Express Liquid ⚘ | BioGro-cert. fulvic acid | Increase nutrient uptake |
Granulated lime | Dust-free | |
Gromix | Kiwifruit side-dressing | Better fruit size + flavour |
BioGro-cert. phosphate | High Ca, slow release | |
BioGro-cert. soil improver | Builds soil + plant health | |
Kieserite | Magnesium | Fast acting |
Dicalcic phosphate | Has liming affect | |
Magnesium Carbonate ⚘ | BioGro-cert. magnesium | Natural source |
Magnox | Magnesium | High Mg |
Nitrogen | Coated, controlled release N | |
Nitrogen | Urease inhibitor, coated | |
Nitrogen express liquid | Nitrogen + fulvic acid | Increases N uptake |
BioGro-cert. blend | Complete soil + plant food | |
Phosta N ⚘ | Bio-Gro-cert. nitrogen | Natural N with traces |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast + slow release |
SOA | Nitrogen + sulphur | High N, fast acting |
Super S | Sulphur | High S+N, fast acting |
Cropping
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Nitrogen | Fast + slow release | |
Ag Lime ⚘ | BioGro-cert. lime | Adjusts soil pH |
CAN | Nitrogen | N+Ca, fast + slow acting |
DAP | Nitrogen | N+P, acts fast |
Dolomite ⚘ | BioGro-cert. lime + Mg | Natural, easily absorbed |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
ExteNd | Nitrogen | Urease inhibitor |
Granulated lime | Dust-free | |
BioGro-cert. phosphate | High Ca, slow release | |
Gypsum ⚘ | BioGro-cert. soil improver | Reduces compaction |
Kieserite | Magnesium | Fast-acting |
Muriate of Potash (MOP) | Potash | Economical form of K |
Nitrogen | Coated, controlled release N | |
Nitrogen | Urease inhibitor, coated | |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast + slow release |
Smart Maize 25 | Base maize dressing | Has RePlenish |
Smart Starter | 2nd final maize dressing | Has NSmart |
Smart Brassica Base | Brassica dressing | Has NSmart + RePlenish |
Super S | Sulphur | High S+N, fast acting |
Equine Grazing
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Ag Lime ⚘ | BioGro-cert. lime | Adjusts soil pH |
Ag Salt ⚘ | BioGro-cert. salt | Adjusts Na levels |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
Equine grazing blend | Has all essentials | |
Granulated lime | Dust-free | |
Dicalcic phosphate | Has liming affect | |
Super S | Sulphur | High S+N, fast acting |
Lifestyle Blocks
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
All-purpose blend | Easy to apply | |
Avocado blend | With traces | |
Citrus blend | High NPK with traces | |
Compost ⚘ | BioGro-cert. soil improver | Boosts organic matter |
Equine grazing blend | Has all essentials | |
Granulated lime | Dust-free | |
BioGro-cert. phosphate | High Ca, slow release | |
BioGro-cert. growth stimulant | Builds soil + plant health | |
Dicalcic phosphate | Has liming affect | |
BioGro-cert. blend | Complete soil + plant food | |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast + slow release |
Organics
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Ag Lime ⚘ | BioGro-cert. lime | Adjusts soil pH |
Ag Salt ⚘ | BioGro-cert. salt | Adjusts Na levels |
Compost ⚘ | BioGro-cert. soil improver | Boosts organic matter |
Dolomite ⚘ | BioGro-cert. lime + Mg | Natural, easily absorbed |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
Fishmeal ⚘ | BioGro-cert. nitrogen | Fast+slow release |
BioGro-cert. phosphate | High Ca, slow release | |
Gypsum ⚘ | BioGro-cert. soil improver | Reduces compaction |
BioGro-cert. growth stimulant | Builds soil + plant health | |
Kieserite ⚘ | BioGro-cert. magnesium | Fast-acting Mg |
BioGro-cert. blend | Complete soil + plant food | |
Phosta K ⚘ | BioGro-cert. potash | High K, natural |
BioGro-cert. nitrogen | Natural N with traces | |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast+slow release |
SOP ⚘ | BioGro-cert. potash | S+K, fast acting |
Regen Farming
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Compost ⚘ | BioGro-cert. soil improver | Boosts organic matter |
Elemental Sulphur Prills ⚘ | BioGro-cert. sulphur | Slow release |
BioGro-cert. phosphate | High Ca, slow release | |
BioGro-cert. plant growth | Builds soil + plant health | |
Kieserite ⚘ | BioGro-cert. magnesium | Fast-acting Mg |
BioGro-cert. potash | High K, natural | |
RPR | Phosphate | Natural P, less lost |
BioGro-cert. nitrogen | Control + biostimulants | |
Protamin NPK ⚘ | BioGro-cert. NPK | High K, fast+slow release |
Dicalcic phosphate | Added biostimulants | |
SOP ⚘ | BioGro-cert. potash | S+K, fast acting |
Trace Elements
⚘ = BioGro certified
⇲ = Click to see product sheet
Product | Nutrient Type | Benefit |
---|---|---|
Boron Ulexite | Boron | Plant essential |
OrganiBor ⚘ | BioGro-cert. boron | Natural source |
Cobalt Sulphate ⚘ | BioGro-cert. cobalt | Plant essential |
Copper Sulphate ⚘ | BioGro-cert. copper | Plant essential |
Potassium Iodate | Iodine | Animal essential |
Iron Sulphate ⚘ | BioGro-cert. iron | Plant essential |
Manganese Sulphate ⚘ | BioGro-cert. manganese | Plant essential |
Sodium Molybdate ⚘ | BioGro-cert. molybdenum | Plant essential |
Organic Selenium chip ⚘ | Bio-Gro-cert. selenium | Animal essential |
Ag Sel Prills | Selenium | Animal essential |
Zinc Sulphate Mono ⚘ | BioGro-cert. zinc | Plant essential |
We have a full range of conventional and organic products available and can custom blend your order to suit your budget and your property.
If you need advice, or can’t find what you need, call your local rep, send us a message, or call 0800 232 733.
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