Comparison of response of spring barley cultivars to nitrogen fertilization
Kazimierz Noworolnik
iung@iung.pulawy.plZakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa, Puławy (Poland)
Danuta Leszczyńska
Zakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa, Puławy (Poland)
Abstract
Two series of pot experiment were carried out in the period of 1997–1999 to determine the response of 12 spring barley cultivars to three nitrogen fertilization rates: 1, 2 and 3 g N/pot. Madonna, Poldek, NS 891132 and RAH 2095 cultivars showed significant increase of yield for each N rate. For the remaining cultivars, significant differences of yield increase were observed between dose 1 g N/pot and 2 g N/pot. Scarlett cultivar characterized by the weakest response to increasing nitrogen rate and at the highest dose of N fertilization yield reduction was noticed. The grain yield increment was due to increase of tillering rate.
Keywords:
cultivars, grain yield, nitrogen fertilization, spring barleyReferences
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Authors
Kazimierz Noworolnikiung@iung.pulawy.pl
Zakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa, Puławy Poland
Authors
Danuta LeszczyńskaZakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa, Puławy Poland
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