Wydanie 336(43)3 2017

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    Impact of form and dose of nitrogen fertilizers on the technological value of spring triticale (x Triticosecale Wittm. ex A. Camus)
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017) Stankowski, Sławomir; Sobolewska, Magdalena; Jaroszewska, Anna; Michalska, Bożena; Department of Agronomy, West Pomeranian University of Technology, Szczecin; Department of Agronomy, West Pomeranian University of Technology, Szczecin; Department of Agronomy, West Pomeranian University of Technology, Szczecin; Department of Meteorology and Shaping Landscape Architecture, West Pomeranian University of Technology, Szczecin
    The field experiment conducted in 2013–2014 at the Agricultural Experimental Station in Lipnik (53o42′ N, 14o97′ S), West Pomeranian Technological University in Szczecin, on light, good rye complex soil. The experimental material consisted of spring triticale grain of 'Nagano' cv. The first experimental factor was the type of fertilizer. Ammonium nitrate was used, ammonium and nitrate forms of nitrogen, as well as Sulfammo 30 N PRO, ammonium and amide forms of nitrogen. The second experimental factor was doses of nitrogen fertilization: 0 (control), 40, 80, 120 kg N . ha–1. Determined the selected physico-chemical quality traits of grain and farinographic properties of dough. No significant effect of the applied nitrogen fertilizer type and nitrogen fertilization dose was observed on: TGW, test weight, grain fraction, falling number and Zeleny index of the spring triticale grain,. The highest content of proteins were in grain of spring triticale fertilized with the dose of 120 kg N . ha–1. The increasing nitrogen fertilization increased the water absorption of flour and dough stability, while reduced the degree of dough softening. Sulfammo 30 N-Pro significantly improved the dough stability as compared to the ammonium nitrate. There were significant, positive correlations between: protein content in spring triticale grain and dough development time and its stability.