Abedi Koupai, A. (2004). Evaluating the Application of Superabsorbent Polymers on Soil Water Capacity and Potential on Three Soil Textures. Iranian Journal of Polymer Science and Technology, 17(3).
Abedi Koupai, J. and Assad Kazemi, J. (2005). Effect of zeolite application in soil on optimization of water for green area. Proceedings of the workshop on Mechanized surface irrigation, pp. 151-158. (In Farsi).
Al-Omran, A. M., Mustafa, M. A. and Shalaby, A. A. (1987). Intermittent evaporation from soil columns as affected by a gel-forming conditioner. Soil Science Society of America Journal, 51(6), 1593-1599.
Andry, H., Yamamoto, T. and Inoue, M. (2009). Influence of artificial zeolite and hydrated lime amendments on the erodibility of an acidic soil. Communications in Soil Science and Plant Analysis, 40(7-8), 1053-1072.
Azizi, S. and Mannsour Lakouraj, M. (2008). Synthesis and swelling behavior optimization of acrylic superabsorbent polymers for medical, pharmaceutical and hygienic applications. Journal of Babol University of Medical Sciences, 10(2), 36-43. (In Farsi).
Bai, W., Zhang, H., Wu, Y. and Song, J. (2010). Effects of super- absorbent polymers on the physical and chemical properties of soil following different wetting and drying cycles. Soil use and management, 26(3), 253-260.
Beigi Harchegani, H.A. and Haghshenas Gorgabi, M. (2011). Interaction effect of mianeh zeolite and taravat® A200 polymer on water retention and available water in a coarse-textured soil. Iranian journal of Range and Desert Research, 19(4), 679-692. (In Farsi).
Behbahani, M. R., Mashhadi, R., Rahimi Khob, A. and Nazarifar, M. H. (2009). Study of super absorption polymer (SAP) stakasorb on moisture front of trickle and irrigation physical properties of soil. Iranian. Journal of Irrigatioj and Drainage, 3(1), 91-100. (In Farsi).
Benkova, M., Filcheva, E., Raytchev, T., Sokolovska, Z., Hajnos, M. and Jozefaciuk, G. (2005). Impact of different ameliorants on some characteristics of acid soil polluted with heavy metals. II. Effect on the soil aggregate stability. In: “Physicochemical management of acid soils polluted with heavy metals”. T. Raytchev, G. Józefaciuk, Z. Sokolovska, M. Hajnos (Eds.), Centre of excellence for applied physics in sustainable agriculture agrophysics, Nikola Poushkarov ISS, Institute of agrophysics PAS, (pp.46-59), ISBN 83-89969-00-9.
Blake, G. R. and Hartge, K. H. (1986). Bulk density 1. Methods of soil analysis: part 1_physical and mineralogical mwthods, (methodsofsofsoilan1), 363-375.
Dasht Bozorg, A., Sayyad, G. A. and Kazeminejad, I. (2013). Assessing the effect of water absorption type on water storage capacity of soil. Journal of Irrigation Science & Engineering, 35(4),33-38. (In Farsi).
Danielson, R. E., & Sutherland, P. L. (1986). Porosity. Methods of Soil Analysis: Part 1—Physical and Mineralogical Methods, (methodsofsoilan1), 443-461.
Ebrahimi, S., Homaei, M. and Vashghani Farahani, E. (2005). Investigation of super absorbent polymorphic behavior in more cyclic and drying cycles. In proceedings of 9th Soil Science Congress of Iran, 28-31 Agu., Soil Conservation and Watershed Management Research Institute, Tehran, Iran, (In Farsi).
El-Hady, O. A. and Wanas, Sh. A. (2006) Water and fertilizer use efficiency by cucumber grown under stress on sandy soil treated with acrylamide hydrogels. Journal of Applied Sciences Research, 2(12), 1293-1297.
Emami, H., Astaraei, A. R., Mohajerpour, M., and Farahbaksh, A. (2016). The effects of soil conditioners on water retention content at different matric suctions in a saline-sodic soil. Agroecology, 4(2), 104-111. (In Farsi).
Ghayur, F., Eskandari, Z. and Sharbaf, A. H. (2005). Investigation and comparison of several moisture absorbing materials on the storage capacity and water potential in the soil. In proceedings of 9th Soil Science Congress of Iran, 28-31 Agu., Soil Conservation and Watershed Management Research Institute, Tehran, Iran, (In Farsi).
Kamran Samani, S. (2011). Effect of natural zeolite on some physical and mechanical properties of soil. Master's dissertation, Isfahan University of Technology, Isfahan, (In Farsi).
Kashkuli, H. A. and Zohrabi, N. (2013) The Effect of superabsorbent polymers on the water holding capacity and water potential of Karkhe Noor sandy soils. International Journal of Scientific Research in Knowledge (IJSRK), 1(9), 317-324.
Kaghazchi, N. (2010). Effect of zeolite and hydrogel on soil hydraulic properties and cucumber growth indices in salinity conditions. Master's dissertation, Isfahan University of Technology, Isfahan, (In Farsi).
Kemper, W. D., & Rosenau, R. C. (1986). Aggregate stability and size distribution.
Klute, A. 1986. Water Retention: Laboratory Methods, pp. 635–666, In: A. Klute, ed., Methods of Soil Analysis, Part 1. American Society of Agronomy, Madison, WI.
Kheiri Shalamzari, K. and Boroomand Nasab, S. (2012). The effect of different levels of superabsorbent A300 in some physics and hydraulic properties of a silty loam Sosl. Irrigation Science and Engineering (Scientific Journal of Agriculture), 36(4), 63-71. (In Farsi).
Maloupa, E., Mitsios, I., Martines, P. F. and Bladenopouiou, S. (1993). Study of substrate use in Gerbera soilless culture grown in plastic greenhouses. Acta Horticulturae, 323, 139-144.
Mohammadi Torkashvand, A. and Shadparvar, V. (2013). Effect of some organic waste and zeolite on water holding capacity and PWP delay of soil. Current Biotica. 6(4): 459-465.
Mohammadi Torkashvand, A., Sedaghat Hoor, S. and Jamalpour, H. (2016). Effects of some organic matter and an artificial moisture absorbent on soil available water, delay of permanent wilting point and the growth of lysimachia nummularia cv. Aurea. Journal of water and Soil Science, 20(75), 87-99. (In Farsi)
Munsuz, N., Ataman, Y. and Unver, I. (1985) Substrates and perlite in Agriculture. Perl. Inst. Basic fact about perlite. Pub, BF. 76. Perl. Inst. New York.
Oester, C., Singer, M.J., Fulton, A. and Prichard, T. (1995). The difficulty of water penetration in the soil. Translation Hagh niya, GH. H. Mashhad: ferdowsi University. (In Farsi)
Parvanak Broujeni, K. (2009) Effect of moisture absorbent hydrogel A200 on porosity, water holding capacity and hydraulic conductivity of soil under field conditions. Plant and Ecosystem, 5(18), 102-118. (In Farsi).
Pour Esmaeel, P., Habibi, D., Tavasoli, A., Zahedi, H. and Tohidi Moghaddam, H. (2010). Effect of super absorbent polymer on physiological agronomic traits of red bean varieties under drought stress in greenhouse conditions. Plant and Ecosystem, 5(21), 75-91. (In Farsi).
Rajaei, F. and Raiesi, F. (2010). The role of superabsorbent Superab A200 in alleviating drought stress and its influence on nitrogen dynamics and soil alkaline phosphatase and urease activities. Iranian Water Research Journal, 4(7), 13-24. (In Farsi)
Seyed Dorraji, S., Golchin, A. and Ahmadi, S. (2010). The Effects of different levels of a super absorbent polymer and soil salinity on water holding capacity with three textures of sandy, loamy and clay. Journal of Water and Soil 24(2): 306-316. (In Farsi)
Shokuohifar, M., Boroomand Nasab, S., Soltani Mohammadi, A. and Hooshmand, A.R. (2016). The effect of salinity of irrigation water and super absorbent polymer on some hydraulic and physical properties of sandy loam soil. Irrigation Science & Engineering. 39(2), 101-113. (In Farsi).
Sivapalan, S. (2006). Some benefits of treating a sandy soil with a cross-linked type polyacrylamide. Australian Journal of Experimental Agriculture, (45): 1-25.
Sohrabi, A. and Mikhak, A. (2013). Zeolite and its Importance in Agriculture. Isfahan: Kankash. (In Farsi)
Wang, Y.T. and Gregg, L.L. (1992). Hydrophilic polymers- their response to soil amendments and effect on properties of soilless potting mix. Journal of American. Society for Horticultural Science. 115(6), 943-948.
Xiubin, H. and Zhanbin, H. (2001). Zeolite application for enhancing water infiltration and retention in loess soil, Resource, Conservation and Recycling, 34(1): 45-52.
Yasuda, H., Takuma, K., Fukuda, T., Araki, Y., Suzuka, J. and Fuku Yongma, Y. (1998). Effect of Zeolite on Water and Salt Control in Soil. Tottori Daigaku Nogakubu Kenkyu Hokoku, 51, 35-42.
Zarehaghi, D., Neyshabouri, M.R., Sadeghzadeh Reyhan, M.E. and Hassanpour, R. (2015). Effect of pumice on water holding capacity in soil, growth and yield of spring Safflower in dry land conditions. Journal of Soil Management and Sustainable Production, 5(3): 191-204.
Zangouei Nasab, Sh., Emami, H., Astarai, A.S, and Yari, A.S. (2012). Effects of Streglot Hydrogel and Irrigation Round on Some Soil Properties and Growth of Seedlings, Journal of Soil Management and Sustainable Production, 3(1): 167-182. (In Farsi)
Zeineldin, F.I. and Aldakheel, Y.Y. (2006). Hydrogel polymer effects on available water capacity and percolation of sandy soils at Al-Hassa, Saudi Arabia. CSBE/SCGAB 2006 Annual Conference.
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