Ajami M, Khormail F, Ayoubi S (2008) Change of some Soil quality parameters due to change in land use in different slope positions of loss lands in east Golestan Province. Journal of soil and water research of Iran 39: 15-30.
Alizadeh A (2006) Soil water – plant relation ship. Mashhad: Ferdowsi University Of Mashhad. 470pp.
Asadi ME, ShaheenRokhsarAhmadiP (2009) Produce more rice with less water in irrigated lands. the First National Conference of Environmental stresses on Agriculture, University of Birjand
Ayoubi Sh, Jalalian A (2006) Land Evaluation(Agriculture and Natural Resources). Isfahan: Isfahan University Of Technology. 396pp.
Bahmanyar MA (2004) Dynamics of Chemical Properties and Fertilizers Status in Soil With Different Waterlogging Periods and Continuous Rice cultivation. Journal of Agricultural Sciences and khazar Natural Resources, the second year of the third issue Fall 2004.
Bahmanyar MA (2007 a) The Influence of Continuous Rice Cultivation and Different Waterlogging Periods on Morphology, Clay Mineralogy, Eh, pH and K in Paddy Soils. Pakistan Journal of Biological Sciences. 10 (17), 2844-2849.
Bahmanyar MA (2007 b) The Influence of Continuous Rice Cultivation and Different Waterlogging Periods on Morphology, Clay Mineralogy, Eh, pH and K in Paddy Soils. Pakistan Journal of Biological Sciences .10 (17), p2844-2849.
Chen ming L, Geng ling L, Chen M, Liu GL (1994) Clay mineral composition, soil fertility and surface chemistry characteristics of Quarternary red soils Southern Honan province. Sci. Agric. Sinica 24(2): 24-30
Dobermann A, Firhorest T (2005) In: MirniaKh, Mohammadian M Rice(Nutrient Disorders & Nutrient management). Babolsar: University Of Mazandaran. 384pp.
Gerard J (2008) In: Karimpour-Reihan M, Kiakianian M Fundamentals Of Soils. Teheran: University Of Teheran Press. 436pp.
Guidelines for Laboratory Analysis of Soil and Water Samples (2007) Water & Soil Research Institute. No.467
Hajabbasi MA, Jalalian A, Khajealdin J. Karimzadeh H (2002) Case study of effect transformation of grassland to agricultural land on some physical characteristics, fertility and Tilth index of soil in Broojen. Journal Science and Technology of Agriculture and Natural Resources . JWSS - Isfahan University of Technology. 6 (1) :149-161
Hosseini AA (2006) Land suitability evalution for rice, wheat and soybean in Gonbad-e-Kavoos region.M.Sc. Islamic Azad University, Tehran, Iran.[In Persian with English Abstract].
Jafari M, Sarmadian F (2003) Fundamental Of Soil Science and Soil Taxonomy. Teheran: University Of Teheran Press. 788pp.
Keys to soil Taxonomy (2010): 11thed. NRCS. U.S.D.A.
Kim J, Jung Y, Son I, Yun E (1991) Evalution of the physicochemical properties of paddy soil in Yeongnam area.research reports of the rural development administration soil and fertilizer.33: 38-44
Khormali F, Ghorbani R (2009) Origin and distribution of clay minerals in soils of three climatic regions East Golestan provinc. Natural Resources and Agricultural Sciences 1388, 16 (3) :27-38
Lin Zhang G, Tong Gong Z (2003) Paddy Soil Characteristics Influence Rice Production. Geoderma 115: 15-29.
Mahmoodi Sh, Hakimian M (2013) Fundamentals of Soil Science. University Of Teheran Press. 700pp.
Mirzaee GH, Pazira E (2005) Methods for evaluate drainage in paddy fields in Mazandarn province. Ninth congress of soil science. Soil conservation and watershed management research center Tehran. Iran.
Ogbodo, E.N (2010) Effect of Crop Residue on Soil Physical Properties and Rice Yield on an Acid Ultisol at Abakaliki, SoutheasteBrnNigerria. SoutheasteBrnNigerria Journal of Agriculture and Biological Sciences.6 (5), p647-652.
Pazira E, Masihabadi MH (2005) Paddy Soil Characteristics Influence Rice Production. Journal of Agricultural Sciences Islamic Azad University, Sciences and Research Branch, Tehran, Iran.specialissue(2). p397-415.
Zeraat Pishe M, Khormali F, Kiani F, Pahlavani M (2012) Studying Clay Minerals in Soils Formed on Loess Parent Materials in a Climatic Gradient in Golestan Province. Iranian Journal of Soil Research. 2012; 26 (3) :303-316