Effect of sowing density and nitrogen fertilization doses on grain yield and yield components of naked short-shoot oat
Grażyna Podolska
iung@iung.pulawy.plInstytut Uprawy Nawożenia i Gleboznawstwa — Państwowy Instytut Badawczy w Puławach (Poland)
Leszek Maj
Instytut Uprawy Nawożenia i Gleboznawstwa — Państwowy Instytut Badawczy w Puławach (Poland)
Zygmunt Nita
Hodowla Roślin Strzelce Sp. z o.o. (Poland)
Abstract
The response of naked short-shoot oat STH 6503 to differentiated sowing density (3.0, 4.5, 6.0, 7.5 mln grains·ha-1) and nitrogen rates (20, 40, 60, 80 kg N·ha-1) was investigated in the field experiment carried out in the years 2003–2004. Grain yield and yield components (weight of 1000 grains, number of plants/m2, number of panicles/m2, productivity tillering, grain yield per plant, grain yield per panicle, number of grains per plant, number of grains per panicle and harvest index) were determined. The oat response to experimental factors depended on the year of study. In 2003 grain yield was highest at sowing density 7.5 mln grains/ha and 40 kg N·ha-1. In 2004 the highest grain yield was recorded at 6.0 mln grains /ha and 60 kg N·ha-1.
Keywords:
sowing density, nitrogen fertilization, naked short-shoot oat, grain yield, yield componentsReferences
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Authors
Grażyna Podolskaiung@iung.pulawy.pl
Instytut Uprawy Nawożenia i Gleboznawstwa — Państwowy Instytut Badawczy w Puławach Poland
Authors
Leszek MajInstytut Uprawy Nawożenia i Gleboznawstwa — Państwowy Instytut Badawczy w Puławach Poland
Authors
Zygmunt NitaHodowla Roślin Strzelce Sp. z o.o. Poland
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