Derived from polyhalite, POLY4 is a multi-nutrient fertilizer that contains four of the six essential macro nutrients required for plant growth. POLY4 is a naturally occurring, low chloride, multi-nutrient fertilizer certified for organic use. POLY4 includes four of the six key macro nutrients that all plants need to grow: potassium, sulphur, magnesium and calcium. It has no requirement for chemical processing and has the lowest CO2 emissions compared to other fertilizer products. Our product is an efficient and effective fertilizer that allows farmers to maximise their crop yield, increase quality and improve soil structure with one simple product. Further information can be found at: www.poly4.com