Impact of nitrogen fertilisation on the economic efficiency of winter wheat yield
Pintar, M., Agricultural Institute of Slovenia, Ljubljana (Slovenia) | Zagorc, B., Agricultural Institute of Slovenia, Ljubljana (Slovenia)
The economic efficiency of winter wheat production with regard to nitrogen (N) fertilisation was studied on the results of experiment with the fertilisation of winter wheat variety Žitarka. In the experiment it was found out how different fertilisation treatments of N sidedressing (different total quantity, number of sidedressing and the target value at the first sidedressing) affect the yield quantity and the parameters of wheat quality. Economic analysis was used to establish the fact that different fertilisation treatments of wheat with N influenced significantly the economics of wheat production. Economically the most efficient sidederssing in the studied conditions was that with the total sidedressing up to 210 kg N/ ha – Nmin applied in three rates, and that with the target value of 120 kg N/ha at the first sidedressing.
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