| Title | Series No. | Date | Click link to download Document | |
|---|---|---|---|---|
 | Soil Sampling - Why and How? | No. 1 | Oct 2015 | Bulletin No. 1 (Soil Sampling - Why & How?) |
 | Soil pH & Lime | No. 2 | Oct 2016 | Bulletin No. 2 (Soil pH & Lime) |
 | Precise Application of Fertilizer | No. 3 | May 2017 | Precise Application of Fertilizer |
 | The Efficient Use of Phosphorus in Agricultural Soils | No. 4 | Feb 2019 | The Efficient Use of Phosphorus in Agricultural Soils |
 | The Importance of Potassium (K) in Agricultural Soils | No. 5 | Feb 2020 | The Importance of Potassium (K) in Agricultural Soils |
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P & K Calculator
The P & K calculator is an online calculator for estimating P and K fertilizer requirements for grassland and crops. It is available online, or via the iOS and Android Smart Phone Apps.