Abstract
The interactive effect of nitrogen and water stress on nitrogen content and grain yield of two wheat varieties (Inqalab91 and. Parwaz-94) was investigated. Urea as nitrogen fertilizer was applied before the imposition of water stress, whereas water stress was imposed 25, 35 and 45 days after germination. The data revealed that sporadic stress and urea fertilizer showed highly significant response. Nitrogen at higher rates effectively balanced the adverse effect of water stress . Key words: grain yield, interactive effect, nitrogen contents, water stress, wheat varieties
