. Increasing rates of tobacco-waste increased the percent nitrogen derived from tobacco-waste (Nifty) from 25.19 (at 10 tons/ha) to 59.34 (at 40 tons/ha), whereas the % Ndff increased from 8.93 (20 kg N/ha) to 23.95 (at 80 kg N/ha). Maximum nitrogen recovery percentage obtained from tobacco-waste was about 11.28.