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Phosphate Calculator

Phosphate Application Calculator

Your Phosphate Requirements

Capital P required to meet optimum olsen P levels for your soil type	Capital P required to meet your target lift in olsen P	Maintenance P requirements per annum
120 KG of P/H	5 KG of P/H	2 KG of P/H

Optimum olsen P for your soil type	Capital P required to lift olsen P by 1 unit in your soil type
25	5	1.5

Inputs

Input your information below and calculate your farms annual Maintenance and Capital Phosphate requirements. Using this information we can also advise you on the form of Phosphate and the products you should be applying in order to achieve maximum production for the best price.

Region
Basic Soil Type
Total Hectares
Stocking Rate SU/H
Average Annual Rainfall (mm)
Soil PH
Current Olsen P
Target lift in Olsen P
Will Nitrogen also be applied?

Phosphate Calculator 2

Inputs

Input your information below and calculate your farms annual Maintenance and Capital Phosphate requirements. Using this information we can also advise you on the form of Phosphate and the products you should be applying in order to achieve maximum production for the best price.

Region
Basic Soil Type
Total Hectares
Stocking Rate SU/H
Average Annual Rainfall (mm)
Soil PH
Current Olsen P
Target lift in Olsen P
Will Nitrogen also be applied?

Add Calculator

Add another calculator to compare application options or to adjust inputs for different application areas

Add Calculator

Phosphate Calculator 3

Inputs

Input your information below and calculate your farms annual Maintenance and Capital Phosphate requirements. Using this information we can also advise you on the form of Phosphate and the products you should be applying in order to achieve maximum production for the best price.

Region
Basic Soil Type
Total Hectares
Stocking Rate SU/H
Average Annual Rainfall (mm)
Soil PH
Current Olsen P
Target lift in Olsen P
Will Nitrogen also be applied?

Recommended Application Rates of Common Phosphate Fertilisers Based on your Requirements

Total Phosphate Required = Maintenance Phosphate Required + Capital Phosphate Required

Product	To meet Maintenance P Requirements Per Annum	To meet Optimum Olsen P Level for your Soil Type	To meet Targeted Lift in Olsen P
DAP (20% P)	10 KG/H	600 KG/H	25 KG/H
TSP (20% P)	10 KG/H	600 KG/H	25 KG/H
SSP (9% P)	22 KG/H	1333 KG/H	56 KG/H
Dickie Direct Granulated RPR (12.7% P)	16 KG/H	952 KG/H	40 KG/H

Your details

Farm Name

Contact Name

Contact Number

Email

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