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Mljekarstvo : časopis za unaprjeđenje proizvodnje i prerade mlijeka, Vol.59 No.3 Rujan 2009.

Izvorni znanstveni članak

Reaction of cocksfoot (Dactylis glomerata L.) in grass-clover mixture on N fertilization and grazing

Marcela Andreata-Koren ; Visoko gospodarsko učilište u Križevcima, M. Demerca 1, Križevci
Mladen Knežević
Josip Leto
Toni Safner
Marijana Ivanek-Martinčić
Zvjezdana Augustinović

Puni tekst: hrvatski, pdf (319 KB) str. 254-261 preuzimanja: 932* citiraj
APA 6th Edition
Andreata-Koren, M., Knežević, M., Leto, J., Safner, T., Ivanek-Martinčić, M. i Augustinović, Z. (2009). Reakcija klupčaste oštrice (Dactylis glomerata L.) u travno-djetelinskoj smjesi na gnojidbu dušikom i napasivanje. Mljekarstvo, 59 (3), 254-261. Preuzeto s https://hrcak.srce.hr/40530
MLA 8th Edition
Andreata-Koren, Marcela, et al. "Reakcija klupčaste oštrice (Dactylis glomerata L.) u travno-djetelinskoj smjesi na gnojidbu dušikom i napasivanje." Mljekarstvo, vol. 59, br. 3, 2009, str. 254-261. https://hrcak.srce.hr/40530. Citirano 19.06.2018.
Chicago 17th Edition
Andreata-Koren, Marcela, Mladen Knežević, Josip Leto, Toni Safner, Marijana Ivanek-Martinčić i Zvjezdana Augustinović. "Reakcija klupčaste oštrice (Dactylis glomerata L.) u travno-djetelinskoj smjesi na gnojidbu dušikom i napasivanje." Mljekarstvo 59, br. 3 (2009): 254-261. https://hrcak.srce.hr/40530

Sažetak
Grazing is the most common way of using a hill and mountain areas because of their specific agro-ecological conditions. Cocksfoot is a grass with high productivity and quality, and it is very good for sowing in the sward for grazing. Because of its good adaptability to different growing conditions, especially in very dry and cold areas, it is excellent in relation to some other good grasses, which can not be raised in such areas. The aim of the experiment was to determine effect of N application (0-N0 and 150 kg ha-1 year-1-N150) and rotational grazing by cattle (C) and sheep (S), and their interaction on the cocksfoot sown in a mixture of smooth-stalked meadow grass (Poa pratensis L.) and white clover (Trifolium repens L.) in hill mountain areas. In a three-year average, the application of 150 kg ha-1 N had significant impact on cocksfoot population density (number of tillers m-2), and it was 51.4 % higher than the recorded one before grazing (P<0.05) and 42.2 % higher after grazing (P<0.01) in comparison to N0. The application of 150 kg ha-1 N resulted in significantly higher cocksfoot dry matter (DM) yield for 38.6 % (P<0.01) and 15.3 % higher cocksfoot share in the total mixture in relation to N0 (P<0.01). Grazing management and grazing management interaction with N rate did not significantly affect the population density of individual years. However, in the three-year average, grazing management significantly affected cocksfoot DM (P<0.01) and its percentage in the total DM mixture (P<0.01). Cattle grazing resulted in 9.9 % higher cocksfoot DM yield and 15.2 % higher cocksfoot percentage in pasture. Interaction of grazing management and N-level had significant influence on the percentage of cocksfoot DM in grass-clover mixture. On cattle grazed areas fertilized with 150 kg ha-1 N, the percentage of cocksfoot DM was the highest (74. 07%), while the lowest percentage of cocksfoot DM was recorded on the sheep grazed areas without N (55.12%).

Ključne riječi
cocksfoot; population density; nitrogen; grazing

Hrčak ID: 40530

URI
https://hrcak.srce.hr/40530

[hrvatski]

Posjeta: 2.178 *