Yielding and grain quality of winter wheat depending on sowing density and on nitrogen fertilization doses
Grażyna Podolska
iung@iung.pulawy.plInstytut Uprawy Nawożenia i Gleboznawstwa, Puławy (Poland)
Sławomir Stankowski
Akademia Rolnicza, Szczecin (Poland)
Abstract
The aim of this research was to determine influence of nitrogen fertilization and sowing density on grain yield and yield quality of winter wheat cv. Kobra and Mikon. The study was conducted in the years 1998–1999 and 1999–2000 in three agrotechnical stations in Błonie-Topola, Osiny, and Jelcz-Laskowice. The factors of this experiments were nitrogen fertilization doses: 0, 40, 80, 120, 160, 200 kg N/ha and sowing density: 1,5, 3,0, 4,5 and 6,0 mln grains/ha. It was found that grain yield depended on nitrogen fertilization and sowing density. Increase of nitrogen fertilization doses had a positive effect on gluten content, Zeleny test result, water absorption, valorimetric value and a negative one on gluten weaking.
Keywords:
variety, grain yield, region of country, quality value, lodgingReferences
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Authors
Grażyna Podolskaiung@iung.pulawy.pl
Instytut Uprawy Nawożenia i Gleboznawstwa, Puławy Poland
Authors
Sławomir StankowskiAkademia Rolnicza, Szczecin Poland
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