Abou El-Magd; M.A., M. El-Bassiony and Z.F. Fawzy (2006). Effect of organic manure with or without chemical fertilizers on growth, yield and quality of some varieties of Broccoli plants. J. Appl. Sci. Res., 2 (10):791-798.
Agricultural Climatologic Profiles (2004-2006). Central Laboratory for Agricultural Climate - Agriculture Research Center, Ministry of Agriculture and Land Reclamation.
Albus, W.L. and R.E. Knighton (1998). Water quality in a sand plain after conversion from dryland to irrigation: Tillage and cropping systems compared. Soil Tillage Res. 48:195–205.
Belay, A.; A. S. Classens; F. C. Wehner and J.M. De Beer (2001). Influence of residual manure on selected nutrient elements and microbial composition of soil under long–term crop rotation. South Afr. J. Plant and Soil, 18: 1-6.
Black, C.A.(1982). Methods of soil analysis. Part. (2) Am. Soc. of Agrn.,INC., Publisher Madison Wisconsin, USA.
Bresler, E., B.L. McNeal, and D.L. Carter (1982). Saline and Sodic soils. Advanced Series in Agricultural Sciences 10. Springer-Verlag. Berlin.
Chung, R.S, C.H.Wang, C. W. Wang and Y.P Wang (2000). Influence of organic matter and inorganic fertilizer on the growth and nitrogen accumulation of corn plants. J. Plant Nutr., 23: (3):297-311.
Coelho, E.F., and D. Or (1996). A parametric model for two-dimensional water uptake by corn roots under drip irrigation. Soil Sci. Soc. Am. J. 60:1039–1049.
Coelho, E.F. and D. Or. (1999). Root distribution and water uptake patterns of corn under surface and subsurface drip irrigation. Plant Soil 206:123–136.
Darusman, A.H.; L.R. Khan; W. E. Stone and F.R. Lamm (1997). Water flux below the root zone vs. irrigation amount in drip-irrigated corn. Agron. J. 89:375–379.
Doorenbos, J. and W. O. Pruitt (1977). Guidelines for predicting crop water requirements, FAO Irrigation and Drainage, Paper 24. Rome, Italy: 156pp.
Doran, J.W. (1980). Soil microbial and biochemical changes associated with reduced tillage. Soil Sci. Soc. Am. J. 44:765–771.
Elbordiny, M. M. (1996). Behaviour and loss of nitrogen in relation to the environment. M. Sc. Thesis, Fac. of Agric., Ain Shams Univ., Egypt.
FAO. (1990). Fertilizer yearbook 1990. Rome.
Galloway, J.N., W. H. Schlesinger, H. Levy, A. Michaels and J. L. Schnoor (1995). Nitrogen fixation-anthropogenic enhancement-environmental response. Glob. Biogeochem. Cycl., 9: 235-252.
Keeney, D.R. and D.W. Nelson. (1982). Nitrogen—Inorganic forms. p. 643–698. In A.L. Page et al., (ed.) Methods of soil analysis. Part (2).2nd ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI.
Phene, C.J.; K.R. Davis; R.B. Hutchmaker; B. Bar-Yosef; D.W. Meek and J. Misaki. (1991). Effect of high frequency surface and subsurface drip irrigation on root distribution of sweet corn. Irrig. Sci. 12: 135–140.
Sanchez C.H.A . (2000). Response of lettuce to water and nitrogen on sand and the potential for leaching of nitrate-N. Hort. Science., 35(1): 73-75.
Seifritz, W.(1982). Alternative and renewable sources of energy in optimizing yields: The role of Fertilizers. In: Proc. of 12th IPI Congress, 153-163.
Sharma, A.R. and B.N. Mittra(1991). Effect of different rates of application of organic and nitrogen fertilizers in a rice-based cropping system. J. Agr. Sci., 117: 313-318.
Steele, D.D.; E.C. Stegman and R.E. Knighton (2000). Irrigation management for corn in the northern Great Plains, USA. Irrig. Sci.,19:107–114.
Türkmen, Ö.; M. A. Bozkurt ; M.Yıldız and K. M. Çimrin (2004). Effect of nitrogen and humic acid applications on the head weight, nutrient and nitrate contents in lettuce. Adv. Food Sci. 26(2): 59-63.
)
View on SCiNiTO