POLY4 is a multi-nutrient, low-chloride fertiliser suitable for organic farming. Containing four of the six essential macro nutrients required for plant growth. Read more

The fertilizer industry uses artificial barriers to control dissolution rate. POLY4’s natural dissolution rate effectively regulates release of nutrients to crops without the need for artificial barriers. Dissolution rate of POLY4 granules and crushed polyhalite rock was tested in the laboratory.

With four of the six macro nutrients: potassium (K), sulphur (S), magnesium (Mg) and calcium (Ca) using POLY4 is more efficient and effective for farmers, delivering flexible and more sustainable fertilizer practices.

POLY4 is the trademark name for polyhalite products from Anglo American's Crop Nutrients business. Our product is a naturally-occurring, low-chloride, multi-nutrient fertilizer certified for organic use. It includes four of the six key macro nutrients that all plants need to grow: potassium, sulphur, magnesium and calcium.

POLY4 differs from most potash fertilizers because it is produced from a natural mineral with no chemical processing. This supports POLY4’s organic registration and maintains its micro nutrient component. Further, the primary difference from muriate of potash (KCl) is …

POLY4 is a naturally-occurring, low chloride, multi-nutrient fertilizer certified for organic use. Its nutrients become available over time, which more closely meets the nutrient uptake requirements of the plant.

POLY4, which has no requirement for chemical processing, has the lowest CO2 emissions compared to other fertilizer products. Furthermore, POLY4 helps to rebalance and reconstruct the soil structure. The use of POLY4 will add value to the local environment and bring us a step closer to a more sustainable agri-food system globally.

POLY4 é o nome comercial do produto da Anglo American Crop Nutrient, criado a partir de um minéral chamado polialita. Ele contém quatro dos seis principais macro nutrientes que todas as plantas precisam para crescer: potássio, enxofre, magnésio e cálcio.

A tecnologia POLY4 tem origem natural com certificação internacional para agricultura orgânica e considerado de baixa pegada de emissão de carbono. A utilização de POLY4 pode contribuir para a melhoria da qualidade solo e suprir nutrientes fundamentais para o …

POLY4 possui uma série de características positivas que fazem dele um fertilizante adequado à ampla utilização comercial, incluindo culturas sensíveis ao cloro, pela forma de liberação de seus nutrientes específicos e dasua compatibilidade rm misturas com outros fertilizantes.