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A three-year trial (2003-2005) was conducted under agro ecological conditions  of Timočka Krajina (the experiment farm of Technological Research Center in  Zaječar). Research object were six malting barley genotypes, which were  top-dressed with the following amounts of nitrogen in the course of growing  season: 40, 60, 80 and 100 kg ha-1. A non-fertilized variant served as a  control. The obtained results indicated that the tested genotypes reacted to  increased amounts of nitrogen by changing their morphological and biological  characteristics as well as the technological values of grain. The  effectiveness of the applied nitrogen depended significantly on the  distribution of rainfall in periods of highest water uptake by malting  barley

Genotype specificity in nitrogen nutrition of malting barley