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2014, vol. 38, iss. 1, pp. 46-58
Effects of different doses of nitrogen in topdressing and sowing density on yield of winter barley
Institute of Field and Vegetable Crops, Novi Sad
Modern breeding of small grains for present and future needs (MESTD - 31066)

The aim of this study was to determine and quantify the effect of nitrogen fertilizer in topdressing and sowing density on the yield of five varieties of winter barley in 2012/2013. On average for five varieties of winter barley and five sowing densities, the highest grain yield was obtained in the control treatment with no N-fertilizer application. With increasing amounts of fertilizer, yields declined to the highest dose. The reason for this effect was climatic conditions during the year that favoured mineralization of organic matter in soil, so the effect of the applied N-fertilizer was missing. NS Pinon and NS Zitos obtained significantly higher yields compared to other varieties in the trial. As a consequence of varietal specificity for N use efficiency, reaction of examined genotype to N-fertilizers was different. The yield obtained at sowing densities of 150, 250 and 350 viable seeds m-2 (on average for all varieties and N doses), was not different, an did was significantly higher compared to the sowing densities of 450 and 550 viable seeds m-2, also as a result of weather conditions in a year of investigation.
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article language: Serbian
document type: Original Scientific Paper
DOI: 10.5937/lnrpfns1401046A
published in SCIndeks: 06/07/2015

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