This field experiment was conducted during the season 2005-2006 in Singar - Mosul city to investigate the effects of very high level (320 N. 300 P2O5) kg ha-1. and high level (280 N. 260 P2O5) kg ha-1 of nitrogen and phosphorus fertilizer. https://rlxztcd4b0cc.aioblogs.com/87843093/chronotropic-incompetence-can-limit-exercise-tolerance-in-copd-patients-with-lung-hyperinflation