Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
In order to identify the influence of nitrogen and sulfur fertilizers on the yield and quality of spring wheat, a strict 3-year field experiment was carried out in 2009–2011. The subject of the experiment was spring wheat (Triticum aestivum L.) of ‘Tybalt’ cultivar fertilized with different doses of nitrogen (factor I: 0, 40, 80, 120 kg ha–1) and sulfur (factor II: 0, 50 kg ha–1). The experiment was carried out according to the split-plot method on an individual farm in Malice near Hrubieszów, on typical brown dystrophic medium (BDt) soil made from medium-grained sandy loam classified as a good rye complex. During the spring wheat vegetation phase BBCH 89–90, 96 grain samples were collected and 24 grain samples were analyzed for the content of total protein, gluten, starch, as well as Zeleny sedimentation index and falling number. After the harvest, the grain yield per plot was determined and converted into t ha–1. Based on the conducted research, it was shown that spring wheat showed a positive response to nitrogen and sulfur fertilization, expressed in the size and quality of the yields. The use of nitrogen in the doses of 80 and 120 kg ha–1 and sulfur fertilization in the amount of 50 kg ha–1 had the most beneficial effect on the wheat grain yield and its quality. Values of the investigated yield characteristics and spring wheat grain quality were more strongly determined by nitrogen fertilization than sulfur fertilization. Most of the examined features positively correlated with each other.
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