Nikšić : University of Montenegro, Faculty of Philosophy
Effects of fertilization on production traits of winter wheat
2018
The wheat cultivar used in the experiment was Kruna. This investigation included an untreated seven variants of fertilization: 1-control, 2-80 kg/ha N, 3-60 kg/ha P2O5, 4-80 kg/ha N, 60 kg/ha P2O5, 5-80 kg/ha N, 100 kg/ha K2O, 6-80 kg/ha N, 60 kg/ha P2O5, 60 kg/ha K2O and 7-80 kg/ha N, 100 kg/ha P2O5, 60 kg/ha K2O. Total amounts of phosphorus and potassium fertilizers and half the nitrogen rate are regularly applied during pre-sowing cultivation of soil. The trial was set up in a randomized block design with five replications. The crop was harvested at full maturity. Grain yield (t/ha) was harvested and reported at 14% moisture. Three parameters were analyzed: test weight (kg/hl), 1000-grain weight (g) and grain yield (t/ha). Investigation where showed a considerable variation of grain yield which were in dependence from mineral nutrition. The highest grain yields were the highest with mineral fertilizer in the combined N80P100K60 (4.738 t/ha). Over the two-year period, all investigated treatments of wheat achieved the highest average 1000-grain weight in the combined N80P60 (43.08 g). The highest test weight was the highest with mineral fertilizer in the combined N80P60K60 (73.63 kg/hl). Analysis of variance was found highly significant effect of years on 1000 grains weight
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