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The performance of perennial ryegrass in binary mixtures with lucerne and red clover under n fertilization

Proizvodni rezultati višegodišnjeg ljulja u binarnim smešama sa lucerkom i crvenom detelinom u uslovima đubrenja azotom

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2017
4522.pdf (632.7Kb)
Authors
Bijelić, Zorica
Mandić, Violeta
Krnjaja, Vesna
Ružić-Muslić, Dragana
Simić, Aleksandar
Cekić, Bogdan
Caro-Petrović, Violeta
Article (Published version)
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Abstract
Perennial ryegrass is a very important and widespread grass species used for livestock nutrition, in particularly ruminants. As a species that is most commonly used on grasslands, it is grown in mixtures with other types of grasses and legumes. The objective of the research was to investigate the performance of perennial ryegrass at various proportions in the mixtures with red clover and lucerne, and how different levels of N fertilization affect its competitiveness. Ryegrass achieved the highest yield with lucerne at seeding rate 50:50 and with red clover at seeding rate 70:30. Relative grass yield (RYg) of mixtures ranged from 1.01 to 1.55 respectively, which means that ryegrass in mixtures achieved 0.1-55% greater yield than pure ryegrass crop. N fertilization increased DMY and RYg, leaf : steam ratio, specific leaf area (SLA), leaf area ratio (LAR) and leaf area index (LAI) in both years thus increasing the competitive capability of perennial ryegrass.
Višegodišnji ljulj je veoma važna i rasprostranjena vrsta trava koja se koristi za ishranu stoke, naročito preživara. Kao vrsta koja se najčešće koristi na travnjacima, ona se uzgaja u mešavinama sa drugim vrstama trava i mahunarki. Cilj istraživanja bio je istražiti proizvodne rezultate višegodišnjeg ljulja u različitim proporcijama u smešama sa crvenom detelinom i lucerkom, kao i kako različiti nivoi N đubrenja utiču na njegovu konkurentnost. Ljulj je postigao najveći prinos sa lucerkom pri razmerisetvenoj of 50:50 i sa crvenom detelinom, 70:30. Relativni prinos trava (RYg) smeša se kretao od 1,01 do 1,55, što znači da je ljulj u smešama postigao 0.1-55% veći prinos od čistog useva. N đubrenje povećalo je DMY i RYIg, odnos lista i stabljike, specifičnu lisnu površinu (SLA), odnos lisnih površina (LAR) i indeks lisnih površina (LAI) u obe godine, čime se povećava konkurentna sposobnost višegodišnjeg ljulja.
Keywords:
perennial ryegrass / red clover / lucerne / performance / competitiveness / višegodišnji ljulj / crvena detelina / lucerka / performanse / konkurentnost
Source:
Biotechnology in Animal Husbandry, 2017, 33, 3, 349-360
Publisher:
  • Institut za stočarstvo, Beograd
Funding / projects:
  • Implementation of new biotechnological solution in breeding of cattle, sheep and goats for the purpose of obtaining biologically valuable and safe food (RS-31053)

DOI: 10.2298/BAH1703349B

ISSN: 1450-9156

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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4525
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