Guideline Index

Chapter 14: Calculating Rates and Costs

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Fertiliser inputs are a significant portion of the farm budget. Find out how to calculate fertiliser application rates and the cost of a fertiliser per hectare; and how to compare fertiliser costs using different blends.

14.1 Introduction

Fertiliser inputs are a significant portion of the farm budget. Under application of nutrients can lead to reduced pasture and stock performance, while over application of nutrients can be an unnecessary waste of money.

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14.2 Fertiliser application rates and nutrient application rates

Find out how to calculate fertiliser application rates to supply a required rate of nutrients; and how to convert a fertiliser application rate into a nutrient application rate so you can record how much N, P, K, S, or other nutrients, you are applying to paddocks.

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14.3 Calculating the cost of fertilisers and nutrients

Find out how to work out the cost of a fertiliser per hectare, and the cost of individual nutrients per hectare for various fertiliser products, including manure.

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14.4 The cost saving of applying the correct blend of fertiliser

The financial benefit of applying the correct blend of fertiliser can be substantial. Find out how to compare costs using different fertiliser blends to supply the same nutrient rate.

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14.5 Key Points

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