Want your crops to be healthy, strong and productive? Use the Polysul-Fit Polysulphate calculator from ICL to work out the correct application rate of this remarkable fertilizer to meet your crops’ nutritional needs for healthy, strong and productive growth. Polysulphate fertilizer - which is natural polyhalite - is a soluble, easily-absorbed, and cost effective answer to crop nutrition. It contains four key plant nutrients: sulphur, potassium, magnesium, and calcium. To use the app, simply enter your crop, type of cropping, and soil type and the Polysul-Fit Polysulphate Calculator instantly gives you the recommended Polysulphate application rate to meet your plant nutrition needs. Find out more about Polysulphate, a natural, multi-nutrient mineral, and how its unique combination of macronutrients can benefit your crops by visiting the Polysulphate website (www.polysulphate.com).