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://www.roneverhart.com/Turbosound-TS-18SW700-8A-18-Low-Frequency-Loudspeaker-p31480/