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FFECT OF NITROGEN FERTILIZATION AND PHES GROWTH OF GROWTH, YIELD FORAGE OF OAT VARIETIES (Avena sativa L.) | ||
| journal of kerbala university | ||
| Article 1, Volume 7, Issue 3, 2011, Pages 547-563 PDF (0 K) | ||
| Abstract | ||
| ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ This study was conducted in the winter season 2010-2011 at Bashiqa / Tobzawh village (25 km) east of Mosul and at Hemidat / AL-masiad village (20 km) west of Mosul. The study included two experiments at each site, the first one included studying the effect of four nitrogen fertilizer levels zero, 50, 75 and 100 kg N / ha, on growth character, Forage yield and of five varieties of oats T , P , M ,M andS at three growth phases booting, milky and soft dough, the Each experiment was carried out according to a Desing in Randomized Complete Block Design ( R.C.B.D) with three replications.The most significant results, are the following Nitrogen fertilization affected all growth charactersand yield at both sites. T varietiy surpassed other the varieties in plant height and fresh and dry forage yield, while variety M surpassed the others in the number of tillers ̸ m². Growth phases affected significantly all growth characters, forage yield, at both sites. The highest dry forage yield and highest yield for all the qualitative characters where achevied at the Soft dough stage of grains. | ||
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