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Farm Nutrient Management Calculators

Secure Online services are applications and services that require a valid login. Some applications may also require you to register, further details are contained within each application.

There are five Farm Nutrient Management Calculators which are easy to use, available 24 hours per day, secure and cofidential:

1. Livestock Manure Nitrogen Loading Calculator

Calculate the N loading for your farm. Check if you are below the 170kg N/ha/year limit or if operating under a derogation the 250kg N/ha/year limit.

2. N Max for Grassland Calculator

Check that nitrogen applications to the whole grassland area on the farm do not exceed the NAP limits.

3. Crop Nutrient Recommendation Calculator

This program will help you to comply with nutrient limit requirements and draw up a nutrient management plan (NMP) for your farm:

* Determine the N, P2O5 and K2O required by crops;

* Calculate the amount of nutrients supplied by organic manures;

* Select the correct chemical fertiliser and application rate to ensure nutrients are optimised;

* Retain information required for record keeping;

* Help reduce chemical fertiliser cost.

4. Phosphorus Balance Calculator

A Phosphorus balance below 10kg/ha/year is required for those operating under derogation (up to 250kg/ha/year). Calculate the P balance for your farm and help manage P inputs and outputs to meet the limit.

5. Livestock manure Storage Calculator

Calculate the weekly slurry, dirty water, manure production and current storage capacity for your farm. Check if you have the required 22 or 26 weeks storage or how much additional storage is needed.