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Abstract • The present study was executed during two successive seasons of 2005 / 2006 and 2006 / 2007 at the Experimental Farm, Faculty of Agriculture, Minia Univ. The aim of this study was to investigate the response of vegetative growth, yield components, volatile oil and chemical composition of anise plants to mineral NPK, bio-organic fertilization and salicylic acid, as well as, active dry yeast. In this regard, two factors were examined, the first factor (A) was mineral NPK (the recommended dose of mineral NPK fertilization) with or without Minia Azotein, two organic manures i.e. chicken manure (4 and 8 t / fed.) and FYM (10 and 20 t / fed.) with or without Minia Azotein, while, the second factor (B) was salicylic acid (100 and 200 ppm) and active dry yeast at 4.5 g / l. Also, the interaction between the two factors (A × B) was tested. For the traditional cultivation system, it could be recommended to fertilizing anise plants with mineral NPK (full dose) + Minia Azotein in combination with salicylic acid at 100 ppm as foliar spray. • On the other hand, for the bio-organic cultivation system (clean agriculture). it could be recommended, economically and environmentally, to supply the soil of anise plants with chicken manure at 8 t / fed. + Minia Azotein and spraying plants with salicylic acid at 100 ppm or active dry yeast at 4.5g/l |