Effect of fertilization on grain crop of spring barley, its quality, energetic effectiveness and economy of fertilization
1992
Kandera, M. (Vyskumny Ustav Rastlinnej Vyroby, Piestany (Slovak Republic))
The effect of increased nitrogen doses on crop and grain quality of spring barley on loamy and clay-loamy degraded chernozem was observed. The highest average grain crop (8.24 t.ha-1) was achieved after the 60 kg of N.ha-1 rate in the experimental years. Weather was a factor influencing considerably the harvested crop. Applying graded nitrogen rates (in comparison with pk-fertilizers) reduced the grain volume weight and TGW. The amylum and extract content, as well as a share of 2.5 mm grains decreased, while the undesirable crude protein content in grain increased.
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