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Abstract
This work was conducted during the two successive seasons of 2003 and 2004 under conditions of Bani Amer region, Zagazig, Sharkia Governorate. The objective of this work was to study the effect of biofertilizers and NPK (control, phosphorein at 1 kg / fed , nitrobein at 1 kg / fed and phosphorein + nitrobein at 1 kg / fed of each) NPK (control, N1P1K1 : 20+20+15 kg / fed, N2P2K2:40+40+30kg/fed and N3P3K3; 60+60+45kg/fed, respectively) and their interaction on growth , plant chemical composition , yield and its components , fixed oil in seeds of bottle gourd . The obtained results could be summarized as follow