Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application
Promene sadržaja sirovih proteina italijanskog ljulja pod uticajem prolećne prihrane azotom
Abstract
During a three-year field experiment with Italian ryegrass forage in the first production year, a dynamics of crude protein content under the influence of different levels of spring nitrogen application was examined. Crude protein content decreased from stem elongation to flowering, but the changes had different intensity among years and treatments. The highest crude protein content during stem elongation was obtained using the highest nitrogen rate - 150 kg ha-1, even 100% higher than control treatment in 2006 and 2007. Differences among treatments decreased prior flowering, and all treatments hay yield was equable per year. The highest hay yield was reached in 2007. and it was influenced by spring nitrogen rates.
U trogodišnjim ispitivanjima krme italijanskog ljulja prve proizvodne godine praćena je dinamika sadržaja sirovih proteina pod uticajem različitih nivoa primenjenog azota u proleće. Prema očekivanju, sadržaj proteina je opadao od fenofaze vlatanja do cvetanja, ali su promene bile različitog intenziteta po godinama, kao i među tretmanima. Najveći sadržaj proteina pri vlatanju je bio pri najvećoj primenjenoj dozi azota od 150 kg ha-1, čak dvostruko veći u odnosu na kontrolu tokom 2006. i 2007. godine. Razlike među tretmanima prihrane su se smanjivale do cvetanja, a i prinos sena svih tretmana je bio ujednačen po pojedinim godinama. Najviši prinos sena je ostvaren u 2007. godini i povećavao se s rastućim dozama azota.
Keywords:
crude protein / growth / hay yield / Italian ryegrass / nitrogenSource:
Biotechnology in Animal Husbandry, 2009, 25, 5-6-2, 1171-1179Publisher:
- Institut za stočarstvo, Beograd
Funding / projects:
- Unapređenje tehnologije gajenja krmnih biljaka u funkciji proizvodnje zdravstveno bezbedne stočne hrane (RS-MESTD-MPN2006-2010-20083)
Collections
Institution/Community
Poljoprivredni fakultetTY - JOUR AU - Simić, Aleksandar AU - Vučković, Savo AU - Kresović, Mirjana AU - Vrbničanin, Sava AU - Božić, Dragana PY - 2009 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/1865 AB - During a three-year field experiment with Italian ryegrass forage in the first production year, a dynamics of crude protein content under the influence of different levels of spring nitrogen application was examined. Crude protein content decreased from stem elongation to flowering, but the changes had different intensity among years and treatments. The highest crude protein content during stem elongation was obtained using the highest nitrogen rate - 150 kg ha-1, even 100% higher than control treatment in 2006 and 2007. Differences among treatments decreased prior flowering, and all treatments hay yield was equable per year. The highest hay yield was reached in 2007. and it was influenced by spring nitrogen rates. AB - U trogodišnjim ispitivanjima krme italijanskog ljulja prve proizvodne godine praćena je dinamika sadržaja sirovih proteina pod uticajem različitih nivoa primenjenog azota u proleće. Prema očekivanju, sadržaj proteina je opadao od fenofaze vlatanja do cvetanja, ali su promene bile različitog intenziteta po godinama, kao i među tretmanima. Najveći sadržaj proteina pri vlatanju je bio pri najvećoj primenjenoj dozi azota od 150 kg ha-1, čak dvostruko veći u odnosu na kontrolu tokom 2006. i 2007. godine. Razlike među tretmanima prihrane su se smanjivale do cvetanja, a i prinos sena svih tretmana je bio ujednačen po pojedinim godinama. Najviši prinos sena je ostvaren u 2007. godini i povećavao se s rastućim dozama azota. PB - Institut za stočarstvo, Beograd T2 - Biotechnology in Animal Husbandry T1 - Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application T1 - Promene sadržaja sirovih proteina italijanskog ljulja pod uticajem prolećne prihrane azotom EP - 1179 IS - 5-6-2 SP - 1171 VL - 25 UR - https://hdl.handle.net/21.15107/rcub_agrospace_1865 ER -
@article{ author = "Simić, Aleksandar and Vučković, Savo and Kresović, Mirjana and Vrbničanin, Sava and Božić, Dragana", year = "2009", abstract = "During a three-year field experiment with Italian ryegrass forage in the first production year, a dynamics of crude protein content under the influence of different levels of spring nitrogen application was examined. Crude protein content decreased from stem elongation to flowering, but the changes had different intensity among years and treatments. The highest crude protein content during stem elongation was obtained using the highest nitrogen rate - 150 kg ha-1, even 100% higher than control treatment in 2006 and 2007. Differences among treatments decreased prior flowering, and all treatments hay yield was equable per year. The highest hay yield was reached in 2007. and it was influenced by spring nitrogen rates., U trogodišnjim ispitivanjima krme italijanskog ljulja prve proizvodne godine praćena je dinamika sadržaja sirovih proteina pod uticajem različitih nivoa primenjenog azota u proleće. Prema očekivanju, sadržaj proteina je opadao od fenofaze vlatanja do cvetanja, ali su promene bile različitog intenziteta po godinama, kao i među tretmanima. Najveći sadržaj proteina pri vlatanju je bio pri najvećoj primenjenoj dozi azota od 150 kg ha-1, čak dvostruko veći u odnosu na kontrolu tokom 2006. i 2007. godine. Razlike među tretmanima prihrane su se smanjivale do cvetanja, a i prinos sena svih tretmana je bio ujednačen po pojedinim godinama. Najviši prinos sena je ostvaren u 2007. godini i povećavao se s rastućim dozama azota.", publisher = "Institut za stočarstvo, Beograd", journal = "Biotechnology in Animal Husbandry", title = "Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application, Promene sadržaja sirovih proteina italijanskog ljulja pod uticajem prolećne prihrane azotom", pages = "1179-1171", number = "5-6-2", volume = "25", url = "https://hdl.handle.net/21.15107/rcub_agrospace_1865" }
Simić, A., Vučković, S., Kresović, M., Vrbničanin, S.,& Božić, D.. (2009). Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application. in Biotechnology in Animal Husbandry Institut za stočarstvo, Beograd., 25(5-6-2), 1171-1179. https://hdl.handle.net/21.15107/rcub_agrospace_1865
Simić A, Vučković S, Kresović M, Vrbničanin S, Božić D. Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application. in Biotechnology in Animal Husbandry. 2009;25(5-6-2):1171-1179. https://hdl.handle.net/21.15107/rcub_agrospace_1865 .
Simić, Aleksandar, Vučković, Savo, Kresović, Mirjana, Vrbničanin, Sava, Božić, Dragana, "Changes of crude protein content in Italian ryegrass influenced by spring nitrogen application" in Biotechnology in Animal Husbandry, 25, no. 5-6-2 (2009):1171-1179, https://hdl.handle.net/21.15107/rcub_agrospace_1865 .