Yield and fisical quality of grain of durum wheat (Triticum durum desf.) varieties depending on nitrogen norm fertilisation
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Author: Semkova, Nadezhda
A field experiment was carried out on the experimental field of Cotton and Durum Wheat Research Institute, Chirpan, during the period 2004 - 2007 the following varieties were studied: Progres, Neptun 2, Beloslava, Saturn 1 and Vozhod under four norms of nitrogen fertilisation - N0, N6, N12, N18 kg/da. The results indicate that the yield of the tested varieties highly varies depending on the weather conditions during the year as well as on the level of nitrogen fertilisation. Nitrogen fertilisation exerts influence on vitreousity of the grain of all tested varieties.