This tool allows you to compare two different fertiliser grades to assess value for money and suitability of that grade depending on the Nitrogen, Phosphate, Potash and Sulphur provided and cost per hectare.

This tool can be used in conjunction with the FYM/Slurry calculator to ensure you are meeting the nutritional demands of crop and soils. With this tool you can choose to get results in units per acre or kilograms per hectare.

For further information on recommendations for various crops in your area please see our Publications.