Parameter Range Dry matter 33.5-34.3 Moistureb 66.2-69.1 Organic matterb 73.2-75.9 Electrical conductivitya 5.83-6.31 PH 5.40-5.71 Lipidb 23.4-24.2 Total phenolsb 4.66-5.71 Nutrients elements Nc 12.50-13.90 Pc 1.30-1.70 Kc 21.14-22.92 Nac 1.95-2.08 Cac 10.19-11.41 Mgc 1.20-1.32 Fed 815-893 Cud 15.0-15.10 Mnd 42.0-43.23 Znd 16.0-16.40

Table 2: The main physical and chemical characteristics of olive-mill solid wastes (OMSW) collected at year-2011 harvest season from three olive-mills at Dabaa area-western coastal region of Egypt. Considering that, a: dsm-1, b: %, c: mg g-1 and d: μg g-1.