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Polysulphate


Introducing Polysulphate
Polyhalite is a new organic fertilizer with readily available sulphur plus potassium, magnesium and calcium. Its key benefits ensure increased crop yields and crop quality for farmers. Marketed as Polysulphate®, it is manufactured and sold by ICL Fertilizers.


Introducing Polysulphate in 30 seconds
Polysulphate contains 4 vital nutrients in one pure crystal to boost the growth of plants: Sulphur, Potassium, Magnesium and Calcium. ICL Fertilizers are the only producer of Polysulphate: the trade name for this unique polyhalite fertilizer. 


Polysulphate: An Agronomist's view
Polyhalite is a new 4-in-1 organic fertilizer, produced and sold only by ICL as Polysulphate®. Hillel Magen, the Vice President for Agronomy at ICL Fertilizers, shares some of the key benefits of this new natural crop fertilizer.

The Polysulphate Story - mining polyhalite for fertilizer

Polysulphate – van polyhaliet naar meststof en van de mijn naar het veld
Reis van diep onder de grond de hele weg naar de velden waar de meststof wordt gebruikt door de boeren om hun gewassen te voeden. Deze film neemt je mee op de ongelofelijke reis van de unieke natuurlijke meststof – Polysulphate®. Polysulphate is gemaakt van het natuurlijke mineraal, polyhaliet, gewonnen in het Verenigd Koninkrijk door ICL Boulby in de enige polyhaliet mijn ter wereld.

Polysulphate - from mine to field in just over 2 minutes

Polysulphate – van mijn naar het veld in iets meer dan 2 minuten
In iets meer dan 2 minuten nemen we u mee op de ongelofelijke reis van de unieke natuurlijke meststof – Polysulphate®. Gemaakt van het natuurlijke mineraal, polyhaliet, wordt Polysulphate gewonnen in het Verenigd Koninkrijk door ICL Boulby in de enige polyhaliet mijn ter wereld, 1200m onder de Noordzee.

The PotashpluS Story

The PotashpluS Story
Howard Clark takes you behind the scenes of the remarkable process that fuses two powerful crop nutrition products into one blended granule: ICL PotashpluS.

Polysulphate ervaringen

Why I use Polysulphate fertilizer: farmer Paul Hogarth shares his experiences of using poyhalite fertilizer


Why I use Polysulphate®: farmer Paul Hogarth
Paul Hogarth farms on the UK north east coast. He explains what he sees as the benefits of using Polysulphate fertilizer on his crops, including wheat and grass for livestock. He explains the advantages of Polysulphate that he has experienced: boosting yield, even in tough growing conditions.

Why I use Polysulphate fertilizer: farmer Craig Hall on the merits of poyhalite


Why I use Polysulphate®: farmer Craig Hall
Join farmer Craig Hall on a walk through his fields of winter wheat in the UK as he checks the benefits of applying Polysulphate fertilizer to this crop.


Farmers share their views on Polysulphate® fertilizer
In this short film, we hear the opinions of farmers from around the world who use Polysulphate® fertilizer, including farmers from Brazil, UK and Germany.


Investigating the benefits of Polysulphate for bananas
We visit an organic banana farmer in Southern Israel to find out why and how they are investigating the benefits of Polysulphate fertiliser on the banana crop.


Polysulphate in practice in the UK
Luke Paterson, a farmer from North Walsham, Norfolk in the UK discusses how he uses Polysulphate on his farm. The farm is a mixed farm growing winter wheat, spring barley, winter barley, Oil seed rape and sugar beet.


A farmer's experience with Polysulphate
Michael Zapf, a farmer from Kandel in Germany is one of a growing number of farmers who use Polysulphate®on his crops. He explains how he uses it on the farm, and some of the many benefits that he see from it's use.


Demonstration of soybean with and without Polysulphate
This short clip filmed on a farm close to Piraju, São Paulo state, Brazil, shows how soybean fertilised with Polysulphate is bigger and a better quality than soybean without Polysulphate.

Increasing tomato crop profit with Polysulphate - a farmer’s experience from Israel


Increasing tomato crop profit with Polysulphate - a farmer’s experience from Israel
Gabay Rachamim farms Ikram tomatoes from his 25 hectares of greenhouses in Israel. He explains how Polysulphate fertilizer saves him time and materials, increasing farm profit.

Polysulphate fertilizer trial on pineapple in Malaysia


Polysulphate fertilizer trial on pineapple in Malaysia
In a recent Polysulphate fertilizer trial in Malaysia, pineapple plants showed less symptoms of potassium deficiency, sweeter fruit, longer shelf life and increase in yield of Grade A fruit by 11%.

Polysulphate oplosbaarheid


Demonstrating Polysulphate fertilizer solubility with a rain simulator

In order to easily demonstrate Polysulphate fertilizer solubility we have used a rain simulator to illustrate the behavior of granular Polysulphate fertilizer.


Science of Polysulphate: a unique multi-nutrient fertilizer

Polysulphate contains 4 vital nutrients in one pure crystal to boost the growth of plants: Sulphur, Potassium, Magnesium and Calcium. ICL Fertilizers are the only producer of Polysulphate: the trade name for this unique polyhalite fertilizer.


Polysulphate: Conclusions from solubility experiments

We have extensively researched the science and solubility of Polysulphate. In this film we summarise the main findings from our experiments.


Understanding Polysulphate solubility: standard versus granular
In this film we compare the solubility of different grades of Polysulphate. Our fertilizer needs to be soluble so that the four mineral nutrients are available to the crop as it grows.


Understanding Polysulphate: solubility and release of nutrients
In this film the research teams examine the solubility of, and release of nutrients from Polysulphate, our unique, multi-nutrient and soluble fertilizer, and other sulphate fertilizers.


Understanding Polysulphate: rainfall and nutrient release
In minimal tillage systems our Polysulphate fertilizer is sprinkled on the soil surface. Farmers and their advisors need to know when the nutrients are released and over what time period. 

Polysulphate evenementen

Polysulphate Fertilizer featured on China Agriculture and Forestry TV

Polysulphate fertilizer launch in Indonesia
More than 70 people – fertilizer distributors, retailers, agronomists and government officials – gathered in the Indonesian capital, Jakarta, to discuss the potential benefits of using ICL FertilizerpluS premium crop nutrition products. The event focussed on how crop yield and quality can be increased and improved by precise, targeted crop nutrition.

Polysulphate Fertilizer featured on China Agriculture and Forestry TV

Polysulphate fertilizer featured on China Agriculture and Forestry TV
Over a period of three days, from the 4th to 6th November 2016, we shared the science as well as the practical application of our Polysulphate fertilizer at The China Phosphate and Compound Fertilizer exhibition. Here is China Agriculture and Forestry TV's feature on the event.

Over ICL


ICL – Fulfilling humanity’s essential needs in agriculture, food and engineered materials
ICL is a global manufacturer of products based on unique minerals that fulfill humanity’s essential needs.