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The effect of tillage system, nitrogen level and cultivars on grain yield of winter wheat

Uticaj sistema obrade zemljišta, dopunske ishrane azotom i sorte na prinos ozime pšenice

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2009
1879.pdf (237.1Kb)
Authors
Kovačević, Dušan
Dolijanović, Željko
Oljača, Snežana
Article (Published version)
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Abstract
This paper deals with result of the effects of low-input technology on grain yield of different winter wheat cultivars in investigated period (2003/04-2004/05) on the chernozem luvic soil type in Faculty of Agriculture Belgrade-Zemun Experimental field trial. 'Radmilovac'. Conventional technology, which includes basic tillage with plow and high level N had better effect than both investigated conservation tillage systems. Good results with mulch tillage means that may be one of possibilities for crop technology rationalization for winter wheat and soil conservation. No-tillage with no fertilization decrease grain yield especially without N fertilization. Fertilization with high nitrogen level (120 kg/ha) gives better grain yield compared with the other level (60 kg/ha). Low input cultivars of winter wheat especially Evropa, Lasta, NS Rana 5, and Pobeda positively responded to different technology in winter wheat production by their yield than high-input cultivars (Pesma and Rana niska)....

U radu je ispitivan uticaj sistema obrade zemljišta, prihranjivanja azotom i sorte na prinos zrna ozime pšenice. Poljski ogled za tu svrhu postavljen je na 'Radmilovcu' - eksperimentalnom dobru Poljoprivrednog fakulteta, Beograd-Zemun, na zemljištu tipa izluženi černozem u periodu 2003/04-2004/05 godina. Ispitivanje je obuhvatalo tehnologiju zasnovanu na tri sistema obrade zemljišta: konvencionalnoj, zaštitnoj i sistemu direktne setve, odnosno bez obrade zemljišta. U prihranjivanju ozime pšenice ispitivan je jedan racionalni pristup mineralnoj ishrani koji je podrazumevao različite doze azota. Tehnologiju koju smo uzeli za ispitivanje adaptirali smo za četvoropoljni plodored (kukuruz-pšenica-jari ječam+crvena detelina-crvena detelina) sa 6 posebno odabranih srpskih sorata ozime pšenice. Tehnologija gajenja ozime pšenice sa konvencionalnom obradom zemljišta i jačom dozom azota kod svih sorata, posebno kod onih predviđenih za gajenje sa nižim ulaganjima, dala je najbolje rezultate. Sorte... za niža ulaganja (Evropa, Lasta, Pobeda i NS Rana 5) pokazale su veću adaptivnost na redukciju nivoa intenziteta obrade i ishrane azotom za razliku od sorata za intenzivnu proizvodnju (Pesma i Rana niska).

Keywords:
tillage systems / fertilization / nitrogen / cultivar / grain yield / winter wheat / sistemi obrade zemljišta / prihranjivanje / azot / sorta / ozima pšenica / prinos
Source:
Poljoprivredna tehnika, 2009, 34, 2, 9-13
Publisher:
  • Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
Funding / projects:
  • Povećanje genetičkih i proizvodnih potencijala strnih žita primenom klasične i moderne biotehnologije (RS-20138)

ISSN: 0554-5587

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Handle
https://hdl.handle.net/21.15107/rcub_agrospace_1882
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/1882
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  • Radovi istraživača / Researchers’ publications
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Poljoprivredni fakultet

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