نظری ممقانی, حسین

[ 1 ] - اثر اوره و نیکل بر رشد، خصوصیات فیزیولوژیک و غلظت نیتروژن کل کاهو در آبکشت

Nitrate fertilizers are common source of nitrogen (N) in nutrient solutions. Substitution of urea with nitrate could reduce this dependence. Also, nickel (Ni) is essential for activation of urease in plants fed with urea. For this aim, a factorial experiment was conducted in a completely randomized design with four replicates. Urea in five levels (0, 25, 50, 75 and 100 mg/L) and Ni in two level...