Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
The aim of the study was to compare the effects of two nitrogen fertilizers: ammonium nitrate and Sulfammo 30 N Pro and doses of fertilizer on the chemical composition of triticale grain cultivar ‘Nagano’. The field experiment was conducted in 2013–2014 at the Agricultural Experimental Station in Lipnik in Western Pomerania (53º42'N, 14º97'S). The triticale samples were analysed for the content of dry matter, total protein, crude fat, crude fibre, crude ash, nitrogen-free extract fibre fractions (NDF, ADF, ADL, HCEL, CEL). Application of nitrogen fertilization at the highest dose of 120 kg N·ha-1 resulted in a significant increase of crude protein content in the spring triticale grain (by 27% in comparison to the control object). Increasing the level of the nitrogen dose resulted in a significant decrease in NFE. Increased nitrogen fertilization had a significant impact on the increase in lignin (ADL) content. The kind of the fertilizer caused a change in the content of dry matter, crude fat, crude fiber and NFE in triticale grain. The interaction of the kind of fertilizer and the nitrogen dose significantly modified the crude fiber content, NDF and hemicellulose in the examined spring triticale grain.
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