Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
Foliar fertilization is an effective treatment increasing the size and quality of crops. A strict field experiment was carried out in the 2019/2020–2020/2021 seasons at the experimental station of the Podkarpackie Agricultural Advisory Center in Boguchwała. The aim of the research was to determine the reaction of winter oilseed rape (cultivar DK Platinium F1) to varied spring foliar fertilization (nitrogen and boron). The one-factor experiment was set up in a random block design with four replications. It was shown that the yield and quality of winter rape seeds were variable in the years of the research. In 2021, the average yield was higher by 0.2 t·ha–1 compared to 2020. The highest protein and fat content in seeds was obtained in 2021. Double and triple foliar fertilization had a positive effect on the seed yield in relation to control. The obtained significant difference was 0.21 and 0.24 t·ha–1, respectively. Triple foliar fertilization increased the protein concentration in the seeds by 8 g·kg–1 compared to the control, with a stable fat content. Therefore, this variant can be recommended for agricultural practice.
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