Abuzaid, A.S. 2010. A pedological study on some soils of Toshka and their suitability for growing certain crops. M. Sc. Thesis, Fac. of Agric., Benha University , Egypt. Abuzaid, A.S. 2013. Pedological and evaluation studies on some soils of middle Delta. Ph. D. Thesis, Fac of Agric., Benha University, Egypt. Abbas, H.H., El-Husseiny, O.H., Mohamed, M.K., Abuzaid, A.S. 2010. Land capability and suitability of some soils in Toshka area, southwestern Egypt. Annals Of Agric. Sci., Moshtohor, 48(1): So. 1-12. Abdelhameed, A.H., Naufal, E.S. El-Husseiny, O.H., Mohamed, M.K., Abuzaid, A.S. 2013. Land suitability classification of some Qalubiya soils. Annals of Agric. Sci., Moshtohor, 51(2): 147-158. Bassouny, M.A, Abuzaid, A.S. and El-Sayed, M. 2016. The effect of soil composition on soil shrinkage parameters of a clayey Vertisols in north Nile Delta-Egypt. Proceeding International Conference on Advances in Soil Sciences, Alexandria, Egypt, 2-5 May (2016) Abuzaid, A.S. 2016. Effect of fresh and sewage water irrigation on soil properties and heavy metals contamination: A case study of Tukh District, Al-Qalyubiyah Province, Egypt. Proceedings International Conference On Basic Science And Environmental Applications, Fayoum, 3-4 April (2016). Abuzaid, A,S, and Fadl, M.E. 2016. Land evaluation of eastern Suez canal, Egypt using remote sensing and GIS. Egypt. J. Soil Sci., 56(3): 537-548. Abuzaid, A.S. 2016. Sewage effluent as an alternative source for irrigation: Impact on soil properties and heavy metal status. Annals of Agric. Sci., Moshtohor, 54(2): 387-396. Bassouny, M.A. and Abuzaid, A.S. 2017. Impact of biogas slurry on some physical properties in sandy and calcareous soils, Egypt. Int. J. Plant Soil Sc., 16(5): 1-11. Abuzaid, A.S. 2018. Soil quality indicators in Al-Qalyubia Governorate as affected by long-term wastewater irrigation. Egypt. J. Soil Sci., 58(1): 1-11. Abuzaid, A.S. 2018. Assessing degradation of floodplain soils in north east Nile Delta, Egypt. Egypt. J. Soil Sci., 58(2): 135-146. Abuzaid, A. S., Bassouny, M.A. and Abdellatif, D.A. 2018. Predicting agricultural potentiality using land degradation factors in east of Rosetta branch, Nile Delta, Egypt. J. Soil Sci. and Agric. Eng., Mansoura Univ., 9(5): 229-236. 10. Abuzaid, A.S. 2017. Spatial and temporal changes of land productivity east of the Nile river (Damietta branch), Egypt. Egypt. J. Soil Sci., 57(4): 417 - 428. buzaid, A.S. and Fadl, M.E. 2018. Mapping potential risks of long-term wastewater irrigation in alluvial soils, Egypt. Arab. J. Geosci., 11(15): 433-444 Abuzaid, A.S. 2018. Evaluating surface water quality for irrigation in Dakahlia Governorate using water quality index and GIS. J. Soil Sci. and Agric. Eng., Mansoura Univ., 9(10): 481-490. Abuzaid, A.S. and Bassouny, M.A. 2018. Multivariate and spatial analysis of soil quality in Kafr El-Sheikh Governorate, Egypt. J. Soil Sci. and Agric. Eng., Mansoura Univ., 9(8): 333-339.