Abou El-Hassan ,W.M. ( 2004) Improving surface irrigation system using simulation models. Ph . D. Thesis , Mansoura Uni
Alam , M. N. , M. S. Jahan , M. K. Ali, M. A. Ashraf and M. K. Islam (2007 ) Effect of vermicompost and chemical fertilizers on growth , yield and yield components of potato in barind soil of Bangladesh . J . App. Sai. Res. , 3 ( 12) : 1879-1888 .
El-Mowelhi, N. M. ;M. A. Abo El-Soud ; M. A. Gazy and M. H. Hegazy ( 1999) On- farm water management for surface irrigation efficiencies at Northern Delta. Proceeding of the Therd Conf. of On –farm irrigation and Agrolimatology. Jan. 1999. 25-27 .Dokki , Egypt .
El-Mowelhi, N. M. ; M.S. M. AboSoliman ; H.A. El-Din ; J Ayars and S. A. Hasanien( 1995a ) Evaluation of land leveling practices and streem size under furrow irrigation system . Proceeding of the Second Conf. of On-farm Irrigation and Agrolimatology . Jan. 2-4., 1995 .Dokki , Egypt .
El-Sharkawy , A. F. ; A. H. Goma ; and S. Bader ( 2005 ) Effect of laser land leveling, discharge rate and planting methods on cotton crop . Misr J . Agric.Eng. 22( 1) 199-208.
FAO. (2003) Unlocking the water potential of agriculture.FAO Corporate Document Repository. 260 p. FAO,Rome, Italy.
Gharib , F. A., L. A. Moussa and O. N. Massoud ( 2008 ) Effect of compost and bio- fertilizers on growth , yield and essential oil of sweet mariotam ( Maiorana hortensis ) plant . intr. J.Agric. &Biology . 10 ( 4) : 381- 387.
Ibrahim , M. I. M.and M .S. A. El- Kassas ( 2011 ) Productivity and water use efficiency of onion plants as affected by irrigation water levels and sulphur rates at El- Arish region .ZagazigJ. Agric .Res.,Vol. 38 No.(5)1161- 1185.
James ,L.C.(1988). Principles of farm irrigation system design . John Wiley &Son New york Chichester Brisbane Toronto Singapore, 410p .
Kumar , S. M. Imtiyaz , A. Kumar and R. Singh ( 2007 ) Response of onion ( Allium cepa L) to different levels of irrigation water Agricultural Water Management, 89: 161- 166.
Michael ,A. M. (1978) Irrigation theory and practice. Viskas Pub. House PVTLTD: New Delhi. J. 83.
Piqueres, A. P., V. Edel- Hermann, C.Alabouvette and C. Steinnberg ( 2006 ) Response of soil microbiological communities to compost amendments. Soil Bioi. Biochem., 38 : 460-470 .
Olalla , F. M. A. Dominguez-Padilla and R. Lopez ( 2004 ) Production and quality of onion crop ( Allium cepa L) cultivates in semi arid climate . Agric. Water Manage , 68: 77-89
Saied , M. M. ( 1992 ) Effect of land leveling and irrigation discharge on cotton yield and irrigation efficiency . Ph . D. Thesis , Mansoura Uni.
Snedecor , G. W. and W. G. Cochran ( 1980 ) " Statistical Methods " 7 th Ed . The lowa State Univ. .Press , lowa , USA .
Spaccini, R., A. Piccolo, J. S. C. Mbagwa , T. A. Zena and C. A. Lgwe (2002) Influence of the addition of organic residues on carbohdrates content and suructural stability of some highland soil in Ethiopia . Soil Use and Mgt., 18 : 404-411.