Role of sulphur in formation of spring barley grain yield, malting quality parameters, and PDMS
2010
Hrivna, L.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin | Gregor, T.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin | Sottnikova, V.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin | Cerkal, R.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Pestovani, Slechteni Rostlin a Rostlinolekarstvi | Ryant, P.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Agrochemie, Pudoznalstvi, Mikrobiologie a Vyzivy Rostlin | Prokes, J.,Vyzkumny Ustav Pivovarsky a Sladarsky, Brno (Czech Republic). Sladarsky Ustav | Radoch, T.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin | Vavrousova, P.,Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin
Within a four-year small plot field trials, the effect of nitrogen fertilizers containing added sulphur on selected quality characteristics of the barley grain and malt was tested. The combination of a lower N dose (30 kg/ha) and S increased the grain yield by 0.2-0.34 t/ha and when the N applied alongside S was higher (50 kg/ha), the grain yield rose by 0.1-0.2 t/ha. S application had a positive effect on grain quality. S combined with a lower level of N led to the highest yield of the malting grain (92.5-94.2%) and stabilized the starch content in the barley grain. The S addition did not lead to an increase of N-substances in the grain; neither did it increase the PDMS content in malt when higher doses of N were applied.
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