Effect of nitrogen rate on yielding of spring barley cultivars in a pot experiment
Kazimierz Noworolnik
iung@iung.pulawy.plZakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa w Puławach (Poland)
Danuta Leszczyńska
Zakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa w Puławach (Poland)
Abstract
Two series of pot experiment were carried out in the period of 2000–2002 to determine the response of 8 spring barley cultivars to three nitrogen fertilization rates: 1, 2 and 3 g N per pot. The Justina and Annabell cultivars showed significant increase of grain yield with increase of N rate to 3 g per pot. For the remaining cultivars, significant differences of yield increase were observed between the doses of 1 g N and 2 g N per pot; the yields at 2g N and 3 g N per pot were similar. The grain yield increment was related to increase of productive tillering rate. All cultivars showed great increase of protein content in grain with increase of N rate.
Keywords:
cultivars, grain yield, nitrogen dose, spring barley, yield componentsReferences
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Authors
Kazimierz Noworolnikiung@iung.pulawy.pl
Zakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa w Puławach Poland
Authors
Danuta LeszczyńskaZakład Uprawy Roślin Zbożowych, Instytut Uprawy, Nawożenia i Gleboznawstwa w Puławach Poland
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Copyright (c) 2005 Kazimierz Noworolnik, Danuta Leszczyńska
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