- Al-Ghubari, H. M. (2016). Operation and maintaining center pivot irrigation system. Ministry of Agriculture and Water. Kingdom of Sadie Arabia. Journal of agriculture. 26(3): 16-35.
- Al-Shallal, A. H. A. (2005). The effect of growth retardant chloride (PIX) and soil moisture on some phenotypic, physiological and productive properties of two soft wheat varieties. Master’s thesis, college of education, uni. of Mosul, Iraq.
- Al-Issawi, A. H., Al-jubouri, R. K., and Abbas, K. J. (2014). Response of seven bread wheat varieties (Triticum aestivum L.) to water stress. Al-Furat Journal of Agri. Sci. (2): 130.
- Al-Obaidi, B. Sh. J. (2015). Stimulating wheat seeds (Triticum aestivum L.) to tolerate drought. Ph.D thesis. College of Agri. University of Baghdad. Special issue: 141.
- Abdel-Jabbar, M. S., and Al-Obaid, A. Kh. (2016). Comparison of the performance of center pivot irrigation and surface irrigation in some water properties and wheat yield. Anbar Journal of Agricultural Sciences. 14(1): 41-55.
- Al-Muaini, I. H. A. (2004). Response of bread wheat varieties (Triticum aestivum L.) for water stress and potassium fertilizer. Ph.D thesis. Field crops department. College of Agri, University of Baghdad. Special issue: 143.
- Awias, A., Tajmul, H., and Azian, Z., 2025. Smart irrigation technologies and prospects for enhancing water use efficiency for sustainable agriculture. Dept. of Agri. And environmental sciences protection. Landscape, Agro energy. Italy. 7(4) :106
- Black, C. A., Evans, D. D., Ensminger, L. E., White, J. L., Clark, F. E., and Dinauer, R. C. (1965). Methods of Soil Analysis, Part 2, Chemical and Microbiological Properties. American Society of Agronomy.
- Cerdan, O., Bissonnais, Y. L., Souchère, V., Martin, P., and Lecomte, V. (2002). Sediment concentration in interrill flow: interactions between soil surface conditions, vegetation and rainfall. Earth Surface Processes and Landforms: The Journal of the British Geomorphological Research Group, 27(2): 193-205. https://doi.org/10.1002/esp.314.
- Duiker, S. (2015). Effects of soil compaction. The Agronomy Guide.
- Dukes, M. D., and Perry, C. (2006). Uniformity testing of variable-rate center pivot irrigation control systems. Precision Agriculture, 7: 205-218. https://doi.org/10.1007/s11119-006-9020-y.
- Eroğlu, H. (2012). Effects of different logging techniques on forest soil compaction at mountainous terrain. Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi, 13(2): 213-225.
- Foulkes, M. J., Scott, R. K., and Sylvester-Bradley, R. (2002). The ability of wheat cultivars to withstand drought in UK conditions: formation of grain yield. The Journal of Agricultural Science, 138(2): 153-169. https://doi.org/10.1017/S0021859601001836.
- Goldsmith, W., Silva, M., and Fischenich, J. C. (2001). Determining optimal degree of soil compaction for balancing mechanical stability and plant growth capacity. US Army Engineer Research and Development Center [Environmental Laboratory].
- García, A. J. H., Jaime, Y. N. M., Contreras, Á. M. Z., Bastardo, L. D. S., and Llovera, F. A. S. (2012). Savanna soil water content effect on its shear strength-compaction relationship. Revista Científica UDO Agrícola, 12(2): 324-337.
- Hammadi, Kh. B., and Khalid, I. M. (2001). The effect of alternative and continuous irrigation with salty drainage water on wheat yield and the accumulation at salts in the soil. Iraqi agr. Sci. Journal. 32(3): 43-48.
- Hanks, D., and Lewandowski, A. (2003). Protecting urban soil quality: examples for landscape codes and specifications. Washington, DC: USDA-NRCS.
- Ibrahim, M. E., Abdel-Aal, S. M., Seleiman, M. F. M., Khazaei, H., and Monneveux, P. (2010). Effect of different water regimes on agronomical traits and irrigation efficiency in bread wheat (Triticum aestivum L.) grown in the Nile Delta. Wheat Information Service, 109: 5-9.
- Li, X., Zhao, W., Li, J., and Li, Y. (2021). Effects of irrigation strategies and soil properties on the characteristics of deep percolation and crop water requirements for a variable rate irrigation system. Agricultural Water Management, 257: 107143. https://doi.org/10.1016/j.agwat.2021.107143.
- Meek, B. D., Rechel, E. R., Carter, L. M., DeTar, W. R., and Urie, A. L. (1992). Infiltration rate of a sandy loam soil: effects of traffic, tillage, and plant roots. Soil Science Society of America Journal, 56(3): 908-913. https://doi.org/10.2136/sssaj1992.03615995005600030038x.
- Mugabe, F. T., and Nyakatawa, E. Z. (2000). Effect of deficit irrigation on wheat and opportunities of growing wheat on residual soil moisture in southeast Zimbabwe. Agricultural Water Management, 46(2): 111-119. https://doi.org/10.1016/S0378-3774(00)00084-6.
- Tolk, J. A., Evett, S. R., Xu, W., and Schwartz, R. C. (2016). Constraints on water use efficiency of drought tolerant maize grown in a semi-arid environment. Field Crops Research, 186: 66-77. https://doi.org/10.1016/j.fcr.2015.11.012.
- Wiersma, D. W., Oplinger, E. S., and Guy, S. O. (1986). Environment and cultivar effects on Winter Wheat Response to Ethephon plant growth regulator 1. Agronomy Journal, 78(5): 761-764.
|