Initial situation
Agrarmarkt Austria publishes the sales volumes of the pure nutrients nitrogen (N), phosphorus (P2O5) and potash (K2O) on a quarterly basis. LBG Österreich GmbH collects the annual application quantities of pure nutrients from mineral fertilisers from the farms voluntarily accounting for the Green Report.
As part of a short study by the Federal Institute of Agricultural Economics in 2016, the pure nutrient requirement of Austrian agriculture was determined on the basis of standardised withdrawal values of plant crops (according to acreage and yield per hectare), taking into account the pure nutrient accumulation from animal husbandry at NUTS II level. The calculation was made using the spreadsheet software "EXCEL").
The sales quantities according to AMA surveys, the extrapolated application quantities and the nutrient requirement based on the nutrient removal of the plant crops and nutrient supply through farm manure were compared.
Objective
The aim of the project is to adapt the calculations of nutrient requirements to the current data situation (e.g. Guideline for proper fertilisation in arable farming and grassland - 8th edition, 2022), taking into account the nutrient withdrawal of the plants and the nutrient supply from farm manure, and to review the calculation methods. Based on this, a tool is to be programmed that in future will allow automated evaluations - with access to the available databases - at regular intervals with as little time expenditure as possible. It is intended to publish the results.
Planned procedure and implementation
Based on the EXCEL template, the calculation procedures and the underlying data are reviewed and, if necessary, replaced by updated values (e.g. nutrient content of farm manure). On the basis of the updated EXCEL template, a new evaluation tool with direct access to the BAB database is to be programmed. The determination of the applied nutrient quantities based on data from bookkeeping farms is also to be largely automated. The above-mentioned calculations will be carried out retrospectively up to the year 2015.
Timetable
Project start: 03/2023
End of project: 12/2023
The following annual recalculations will be carried out outside the project.
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