![]() To add a fertiliser from the existing list: When revisiting the Fertiliser Calculator please Login to access your previously entred data in the Dashboard tab.Once you have completed these steps you can access the full version including the Dashboard tab.After logging in, activate the fertiliser calculator by checking the Access fertiliser tool checkbox in your profile (only required for the first time).New users will need to Create a user account in order to access the full version of the Fertiliser Calculator.To save possible scenarios, apply for a login to use the full version of the Fertiliser Calculator. There is no option to save calculations on the Quick Calculator. Press Calculate for the nutrient content of the fertiliser applied. Select the appropriate Amount in kilograms (kg) or tonnes, (t) for solid or prilled fertiliser or litres (L) for liquid fertiliser. To convert these to the single elements K, P, Ca and Mg, multiply: Some fertilisers display K as K 2O, P as P 2O 5, Ca as CaO and Mg as MgO. ![]() Press Calculate for the nutrient content of the fertiliser applied.įor a custom product not in the list provided, enter the nutrient content from the label on the fertiliser bag or material safety data sheet (MSDS).Enter the Amount of product being applied in kilograms (kg) or tonnes (t) for solid or prilled (pelletised) fertiliser, or litres (L) for liquid fertiliser.Select the Brand from the drop down menu and then select a Product.For more information see the Disclaimer tab. When the fertiliser entry has been completed and the Done button pressed, a summary showing the total amount of product applied, the nutrient content and the cost (weekly or for the whole season) is displayed.Īlthough DAFWA has tried to obtain and collate accurate and detailed information about fertilisers from different manufacturers, the information contained in a columns for micro-nutrients may be incomplete due to some manufacturers not disclosing the amount in their product. Products in the Shed can be used in the crop planting tab to quickly create a fertiliser program based on the number of applications per crop (useful for broadacre and perennial crops) or, for vegetable crops, the number of applications per week based on a start/planting date and likely harvest date. The amount of fertiliser applied, nutrient content and cost of fertiliser all contribute to the performance of the crop and may alter profitability. Larger amounts of the macro-nutrients nitrogen (N), phosphorus (P), potassium (K), magnesium (Mg), calcium (Ca) and sulphur (S) are required compared with levels of micro-nutrients including zinc (Zn), iron (Fe), boron (B), manganese (Mn), molybdenum (Mo), copper (Cu) and chlorine (Cl).įertilisers containing macro- and/or micro-nutrients are applied to maximise economic yield of commercial crops. Commercial crops usually require nutrients in addition to those found in the soil.
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