Effects of Nitrogen Fertilization and Seeding Rate on Oilseed Flax. (S04-pageau853257-poster)
Authors:
D. Pageau* - Agriculture Canada J. Lajeunesse - Agriculture Canada J. Lafond - Agriculture Canada
Abstract:
In the province of Quebec (Canada), oilseed flax production is limited and there is no management recommendations for this new crop. From 2000 to 2002, the effects of 4 seeding rates (25, 40, 55, and 70 kg/ha) and 4 nitrogen rates (0, 40, 80, and 120 kg/ha) were evaluated on flaxseed grain production and oilseed content. Optimum grain yields were reached with a seeding rate of 40 kg/ha in 2000 (2 797 kg/ha) and 25 kg/ha in 2001 (2 453 kg/ha). In 2002, seed yield increased linearly from 2298 to 2581 kg/ha as seeding rate increased from 25 to 70 kg/ha. Nitrogen fertilization had no significant effect on grain yields in 2000 and 2002. However, in 2001, grain yields decreased linearly with nitrogen
application and lodging was more important when nitrogen was applied. This problem can interfere with harvest and could be associated with lower grain yield. Seeding rates and nitrogen application did not significantly affect seed oil content. Cold and wet conditions prevailing in some areas in Northern Quebec could be favourable for oilseed flax production and a seeding rate of 40 kg/ha could be recommended. However, high nitrogen application had no beneficial effect on grain yield.
Speaker Information: Denis Pageau, Agriculture Canada, 1468 Saint-Cyrille, Normandin, QC G8M 4K3;
Phone: 418-274-3378 ext. 228; E-mail: [email protected]
Session Information: Monday, November 3, 2003, 4:00 PM-6:00 PM Presentation Start: 4:00 PM (Poster Board Number: 1321) Keywords: flax; fertilization; nitrogen; seeding rate
