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Využití kombinovaného hnojiva ve výživě pšenice ozimé
Moravanský, Jakub
The aim of this work is the utilization of combined fertilizer in winter wheat nutrition. The experiment was conducted in two growing seasons (2020-2021; 2021-2022) at the experimental site in Žabčice. The examined fertilizer FertiTOP 44 NPS was applied in early spring in two doses (54 kg/ha N and 30 kg/ha N). As a control treatment, the common nitrogen technology was used with the application of LAD 27 fertilizer at a dose of 30 kg/ha N. Additional fertilization of every treatment during the vegetation was identical. (LAD 27: 65 kg/ha N; DAM 390: 40 kg/ha N). The application of the combined fertilizer FertiTOP 44 NPS in full dose positively influenced the growth, yield and grain quality of winter wheat. The plant analysis during the vegetation showed a statistically significant effect of fertilization by full dose of FertiTOP 44 NPS on dry weight. There was also increase in grain yield in both years under study (+0.6 t/ha in 2021; +0.3 t/ha in 2022). At the same time, the protein content increased (+0.5% in 2021; +1.1% in 2022). For gluten content, the results were similar to the control. For the sedimentation parameter, an increase was observed in both years (+3.5 ml in 2021; +7 ml in 2022). These results are indicating that the application of phosphorus, sulphur and trace elements in winter wheat nutrition improves the baking quality of the grain.

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