A field experiment was conducted at Agricultural Experimental and Research Station, Faculty of Agriculture, Cairo University, Giza, Egypt in the two summer successive seasons 2008 and 2009. The present work aims to study the response of snap bean to different rates of compost and time of application in comparison with two different sources of inorganic fertilizers. The experiment included 8 treatments, the recommended mineral fertilizer (MF) as a control, Natural fertilizer (NF), i.e. 4, 6 and 8 tons of compost as organic sources were applied once through soil preparation (O). These...