Gorgan University of Agricultural Sciences International Journal of Plant Production 1735-6814 9 2 2015 02 01 Influence of mineral and organic fertilizers on yield and nitrogen efficiency of winter wheat 257 272 2047 10.22069/ijpp.2015.2047 EN Š. Buráňová Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic. J. Černý Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic. M. Kulhánek Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic. F. Vašák Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic. J. Balík Department of Agro-Environmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic. Journal Article 2015 02 17 <span>The aim of this study was to evaluate the long-term (16-years) nitrogen<br /><span>efficiency after the application of organic and mineral fertilizers at two sites<br /><span>Lukavec (S<span>1<span>) and Suchdol (S<span>2<span>) with different soil and climatic conditions in the<br /><span>Czech Republic (Central Europe) and to determine grain yield and nitrogen content<br /><span>with regard to the requirements of protein content for baking quality of wheat.<br /><span>After the application of NPK treatment the highest average values from both sites<br /><span>of grain yield (6.22 t ha<span>-1<span>), nitrogen content (2.01%) and nitrogen uptake (123.6<br /><span>kg ha<span>-1<span>) were determined, which means 78%, 26% and 121% increases compared<br /><span>to the unfertilized treatment. At the less fertile S<span>1<span>, located on Cambisol, the<br /><span>significant effect of nitrogen fertilization on yield was observed. The yield of the<br /><span>NPK treatment was by 144% higher compared to the unfertilized Control<br /><span>treatment. The limit of 11.5% of protein content for bakery wheat was not achieved<br /><span>for any of treatments at S<span>1<span>, at S<span>2 <span>for unfertilized treatment and treatments with<br /><span>organic fertilizers. Lower values of recovery efficiency of nitrogen and N inputoutput balance were found at S<span>2 <span>situated on Chernozem.</span></span></span></span></span></span></span></span></span></span></span></span></span><br /><br class="Apple-interchange-newline" /></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> https://ijpp.gau.ac.ir/article_2047_43b32ffe1eee66b5fba3a609fd3f35f3.pdf