الفهرس 
Title
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Abstract
plants during the two successive seasons 2013/2014 and 2014/2015 at the farm of the medicinal and aromatic plant research department, Elkanater Elkhaireya, horticulture Research Institute, Agricultural research center, ministry of Agriculture, Egypt and ornamental horticulture dept. Faculty of agriculture. This work was designed to investigate the effect of NPK chemical fertilization as ammonium sulphate (20.6% N) at rates (0, 300 and 600 kg/feddan), calcium superphosphate (15.5% P2O5) at rates (0, 150 and 300 kg/feddan) and potassium sulphate (48% K2O) at rates (0, 75 and 150 kg/feddan) and some plant extracts (Aloe vera extract was used at four rates of 0.0, 2.5% (25 ml/l), 5% (50 ml/l) and 7.5% (75 ml/l), while Moringa oleifera extract concentration were 0.0, 2g/l (50 ml extract /liter), 4g/l (100 ml extract /liter) and 6g/l (150 ml extract /liter), alone or in combinations on vegetative growth, oil yield and chemical composition of geranium plants (Pelargonium graveolens L. Herit)