Andrews, S. S., Karlen, D. L., and Mitchell, J. P. (2002). A comparison of soil quality indexing methods for vegetable production systems in Northern California. Agriculture, ecosystems and environment, 90(1), 25-45.
Andronikov, S. V., Davidson, D. A., and Spiers, R. B. (2000). Variability in contamination by heavy metals: sampling implications. Water, air, and soil pollution, 120(1-2), 29-45.
Armstrong, M., and Boufassa, A. (1988). Comparing the robustness of ordinary kriging and lognormal kriging: outlier resistance. Math Geol, 20:447–457
Ayoubi, S. A., Mohammad, Z. S., and Khormali, F. (2007). Prediction total N by organic matter content using some geostatistic approaches in part of farm land of Sorkhankalateh, Golestan Province. Journal of Agricultural Sciencesand Natural Resources, 14(4), 23-33. (In Farsi).
Bagherzadeh, A., Gholizadeh, A., and Keshavarzi, A. (2018). Assessment of soil fertility index for potato production using integrated Fuzzy and AHP approaches, Northeast of Iran. Eurasian Journal of Soil Science, 7(3), 203-212.
Banaei, M. (1998). Revised map of thermal and moisture regimes of soils. Soil and Water Research Institute of Iran.Tehran.Iran.
Bates, R. G., and Vijh, A. K. (1973). Determination of pH: theory and practice. Journal of The Electrochemical Society, 120(8), 263C-263C.
Bouman, B.A., Barker, R., Humphreys, E., Tuong, T.P., Atlin, G., Bennett, J., Dawe, D., Dittert, K., Dobermann, A., Facon, T. and Fujimoto, N. (2007). Rice: feeding the billions (No. 612-2016-40554).
Burgess, T. M., Webster, R., and McBratney, A. B. (1981). Optimal interpolation and isarithmic mapping of soil properties. IV Sampling strategy. Journal of Soil Science, 32(4), 643-659.
Cahn, M. D., Hummel, J. W., and Brouer, B. H. (1994). Spatial analysis of soil fertility for site-specific crop management. Soil Science Society of America Journal, 58(4), 1240-1248.
Cambardella, C. A., Moorman, T. B., Parkin, T. B., Karlen, D. L., Novak, J. M., Turco, R. F., and Konopka, A. E. (1994). Field-scale variability of soil properties in central Iowa soils. Soil science society of America journal, 58(5), 1501-1511.
Charkhabadi, A., Rahimi, A.H. (2014). Evaluation of some heavy metals in paddy soils and their accumulation in rice tissues in Lanjan area of Isfahan province. Journal of soil and water knowledge, 24(2), 120 -107. (In Farsi).
Chen, M., and Ma, L. Q. (2001). Taxonomic and geographic distribution of total phosphorus in Florida surface soils. Soil Science Society of America Journal, 65(5), 1539-1547.
Cheng, J., Ding, C., Li, X., Zhang, T., and Wang, X. (2016). Soil quality evaluation for navel orange production systems in central subtropical China. Soil and Tillage Research, 155, 225-232.
Confalonieri, R., Rosenmund, A. S., and Baruth, B. (2009). An improved model to simulate rice yield. Agronomy for Sustainable Development, 29(3), 463-474.
Dahiya, I. S., Richter, J. and Malik, R. S. (1984). Soil spatial variability: A review. International Tropical. Agriculture, 1(11), 1-102.
Davatgar, N., Shakouri Katigari, M., Rezai, L. (2015).Fertility evaluation of Guilan province paddy fields. Lamd management journal. 3(1), 1-13. (In Farsi).
Dobermann, A., and Oberthür, T. (1997). Fuzzy mapping of soil fertility—a case study on irrigated rice land in the Philippines. Geoderma, 77(2-4), 317-339.
Dou, F., Yu, X., Ping, C. L., Michaelson, G., Guo, L., and Jorgenson, T. (2010). Spatial variation of tundra soil organic carbon along the coastline of northern Alaska. Geoderma, 154(3-4), 328-335.
FAO. 2015. Healthy soils are the basis for healthy food production. FAO 2015 I4405E/1/02.15.
Gee, G. W., and Bauder, J. W. (1986). Particle-size analysis 1. Methods of soil analysis: Part 1—Physical and mineralogical methods, (methodsofsoilan1), 383-411.
Givi, J. (1997). Qualitative evaluation of land suitability for field and fruit crops. Iranian Soil and Water Research Institute: Tehran, Iran, 1-115.
Goovaerts, P. (1999). Geostatistics in soil science: state-of-the-art and perspectives. Geoderma, 89 (1-2), 1-45.
Gupta, P.K. (2004): Soil, plant, water and fertilizer analysis. Shyam Printing Press, Agrobios, India, 38p.
Hartono, A., Funakawa, S., and Kosaki, T. (2005). Phosphorus Sorption‐Desorption Characteristics of Selected Acid Upland Soils in Indonesia. Soil Science and Plant Nutrition, 51(6), 787-799.
Hashemi, M., Gholam Ali Zadeh Ahangar, A., Bameri, A., Sarani, F. and Hejazi Zadeh, F. (2016). Identification and Zoning of Soil Physical and Chemical Properties Using Geostatistical Methods in GIS (Case Study: Meskangi-Sistan Region). Journal of Water and Soil Science and Agriculture Industry, 30(2), 458-443. (In Farsi).
Hassani Pak, A. A. (1998). Geostatistical. First Edition, University of Tehran Publications, 314 pages. Iran, 611p.
He, Y., and Li, Z. (2000). Nutrient cycling and balance in red soil agroecosystem and their management. Pedosphere, 10(2), 107-116.
Imaz, M. J., Virto, I., Bescansa, P., Enrique, A., Fernandez-Ugalde, O., and Karlen, D. L. (2010). Soil quality indicator response to tillage and residue management on semi-arid Mediterranean cropland. Soil and Tillage Research, 107(1), 17-25.
Iqbal, J., Thomasson, J. A., Jenkins, J. N., Owens, P. R., and Whisler, F. D. (2005). Spatial variability analysis of soil physical properties of alluvial soils. Soil Science Society of America Journal, 69(4), 1338-1350.
Jiang, P., and Thelen, K. D. (2004). Effect of soil and topographic properties on crop yield in a north-central corn–soybean cropping system. Agronomy Journal, 96(1), 252-258.
Johnston, A. E., Goulding, K. W. T., and Poulton, P. R. (1986). Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted. Soil use and management, 2(1), 3-10.
Jose sione, S. M., Wilson, M.G., Lado M and Gonzalez. 2017. Evaluation of soil degradation produced by rice crop system in a vertisol, using a soil quality index. Catena, 150:79-86.
Kargar, M., and Farzi, H. (2018). Mapping of some soil characters using geostatistis and GIS. The third national conference of soil conservation and watershed management. Soil conservation and watershed management research institute of Iran. Tehran. Iran.
Kazemi Poshtesari, M., Tahmasebi Sarvestani, Z, Kamkar, B., Shattai, Sh and Sadeghi, S. (2012). Evaluation of Geostatistical Methods for Estimation and Zoning of Primary Food Elements in Some Agricultural Lands of Golestan Province. Journal of Soil and Water Science, 22(1), 218-201.
Khadka, D., Lamichhane, S., Khan, S., Joshi, S., and Pant, B. B. (2016). Assessment of soil fertility status of Agriculture Research Station, Belachapi, Dhanusha, Nepal. Journal of Maize Research and Development, 2(1), 43-57.
Lal, R. (2004). Soil carbon sequestration impacts on global climate change and food security. Science, 304(5677), 1623-1627.
Li, P., Zhang, T., Wang, X., and Yu, D. (2013). Development of biological soil quality indicator system for subtropical China. Soil and Tillage Research, 126, 112-118.
Li, Y., Niu, S., and Yu, G. (2016). Aggravated phosphorus limitation on biomass production under increasing nitrogen loading: a meta‐analysis. Global Change Biology, 22(2), 934-943.
Mahmoud Soltani, S., Davatgar, N., Shakouri, M and Paykan, M. (2017). Spatial variability of phosphorus fractions in paddy soils. J. of Water and Soil Conservation, 24(5), 93-109.
Mahmoud Soltani, S., Eftekhari, K., Karbalai Agha molki, M.T. and Shakoori, M. (2019). Detailed Soil Classification, Mapping of Some Selected Soil Characteristics and Land Suitability Evaluation for Rice and Recommended Second Crops in Gav-Dasht Research Station, Mazandaran Province. Final report.Rice research institute of Iran. Rasht. Iran. (In Press, In Farsi).
Malakooti, M.J., and Kavoosi, M. 2004. Balance nutrition of rice. SANA publication press.
Marx, D. B., and Thompson, K. C. (1987). Practical aspects of agricultural kriging. Bulletin-Arkansas, Agricultural Experiment Station (USA).
Meersmans, J., van Wesemael, B., De Ridder, F. A., and Van Molle, M. (2009). Modelling the three-dimensional spatial distribution of soil organic carbon (SOC) at the regional scale (Flanders, Belgium). Geoderma, 152(1-2), 43-52.
Minasny, B., McBratney, A. B., Mendonça-Santos, M. D. L., Odeh, I. O. A., and Guyon, B. (2006). Prediction and digital mapping of soil carbon storage in the Lower Namoi Valley. Soil Research, 44(3), 233-244.
Minestry of Jahad e Agriculture. (2017).The annual statistics of agricultural crops. MJA press.Tehran.Iran. (In Farsi).
Mirnia, K. H., and Mohammadian, M. (2005). Rice, disorders and management of alimentary ingredients.Mazndaran University press.Iran.436p. (In Farsi)
Mohammadi, J. (2006). Pedometry (Spatial statistics). Pelk issue.Iran.453p.
Mohammadi, J. 1999. Study of spatial variability of salinity in Ramhormoz region (Khuzestan) using geostatistical theory. Journal of Agricultural Science and Techniques, 3(1), 1-8.
Needelman, B. A., Gburek, W. J., Sharpley, A. N., and Petersen, G. W. (2001). Environmental Management of Soil Phosphorus. Soil Science Society of America Journal, 65(5), 1516-1522.
Olsen, S. R., Sommers, L. E., and Page, A. L. (1982). Methods of soil analysis. Part, 2, 403-430.
Owliaie, H.R., Najafi Ghiri, M.(2012). Effect of Long-Term Rice Cultivation on Physico-Chemical Properties and Clay Mineralogy of Soils in Yasouj Region. J. Sci. and Technol. Agric. And Natur. Resour, Water and Soil Sci., 17(65), 39-49.
Qi, Y., Darilek, J. L., Huang, B., Zhao, Y., Sun, W., and Gu, Z. (2009). Evaluating soil quality indices in an agricultural region of Jiangsu Province, China. Geoderma, 149(3-4), 325-334.
Reza, S. K., Baruah, U., and Sarkar, D. (2013). Hazard assessment of heavy metal contamination by the paper industry, north-eastern India. International journal of environmental studies, 70(1), 23-32.
Reza, S. K., Dutta, D., Bandyopadhyay, S., and Singh, S. K. (2019). Spatial Variability Analysis of Soil Properties of Tinsukia District, Assam, India. Agricultural Research, 8(2), 231-238.
Rezaei, H., Esmail Nejad, L., Saadat, Q and P, Maleki. (2018). Zoning of effective parameters on paddy soil fertility quality for optimal fertilizer management. Journal of Soil and Water Conservation Research. 25(4), 259-274. (in Farsi).
Risser, P.G. (1991). Long-term Ecological Research, an International Perspective. Wiley, New York.USA. pp. 1– 290.
Roades, J. D.1982. Soluble salts. P. 167-179. In A. L. Page et.al. (ed). Methods of soil analysis. Part 2. 2nd ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI.
Schoning, I., Totsche, K.U., and Kögel-Knabner, I. (2006). Small scale spatial variability of organic carbon stocks in litter and solum of a forested Luvisol. Geoderma, 136(3-4), 631-642.
Shahbazi, K. and Besharati, H. (2013). An overview of the fertility status of Iranian agricultural soils. Land Management Journal, 1(1),1-15.
Shakouri Katigiri, M., Shabanpour, M., Asadi, H., Duwatgar, N. and Babazadeh, S. (2011). Evaluation of the efficiency of spatial interpolation methods in carbonation and bulk density characterization of Guilan province paddy soils. Journal of Water and Soil Conservation Research, 18(2), 195-210. (In Farsi).
Shindo, H., Watanabe, D., Onaga, T., Urakawa, M., Nakahara, O., and Huang, Q. (2002). Adsorption, activity, and kinetics of acid phosphatase as influenced by selected oxides and clay minerals. Soil Science and Plant Nutrition, 48(5), 763-767.
Sione, S. M. J., Wilson, M. G., Lado, M., and González, A. P. (2017). Evaluation of soil degradation produced by rice crop systems in a Vertisol, using a soil quality index. Catena, 150, 79-86.
Sun, B., Zhou, S., and Zhao, Q. (2003). Evaluation of spatial and temporal changes of soil quality based on geostatistical analysis in the hill region of subtropical China. Geoderma, 115(1-2), 85-99.
Susanto, A. N. (2013). Spatial Variability of Soil Inherent Fertility Status at Irrigation Rice Field in Waeapo Plain, Buru Regency. Journal of Tropical Soils, 18(2), 115-124.
Swarup, A. (1985). Yield and nutrition of rice as influenced by pre-submergence and amendments in a highly sodic soil. Journal of the Indian Society of Soil Science, 33(2), 352-357.
Sys, I. C., Van Ranst, E., Debaveye, I. J., and F. Beenaert. (1993). Land evaluation (Part I-III). Crop Requirements. 199p. General Administration for Development Cooperation, Brussels. Belgium.
Tesfahunegn, G. B. (2014). Soil quality assessment strategies for evaluating soil degradation in Northern Ethiopia. Applied and Environmental Soil Science, 2014.
Thomas, G.W. (1982). Exchangeable cations. In: Page A L., Miller R.H. and Keeney D.R. (Eds.), Methods of Soil Analysis- Part 2. American Society of Agronomy, Madison, 159-165.
Tsegaye, T., and Hill, R. L. (1998). Intensive tillage effects on spatial variability of soil test, plant growth, and nutrient uptake measurements. Soil Science, 163(2), 155-165.
Velasquez, E., Lavelle, P., and Andrade, M. (2007). GISQ, a multifunctional indicator of soil quality. Soil Biology and Biochemistry, 39(12), 3066-3080.
Veronesi, F., Corstanje, R., and Mayr, T. (2014). Landscape scale estimation of soil carbon stock using 3D modelling. Science of the Total Environment, 487, 578-586.
Walkley, A., and Black, I. A. (1934). An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil science, 37(1), 29-38.
Webster, R., and Oliver, M. A. (2000). Geostatistics for environmental scientists. John Wiley and Sons.
Webster, R., and Oliver, M. A. (2007). Characterizing spatial processes: the covariance and variogram. Geostatistics for Environmental Scientists, 2nd edn. Wiley, Chichester, 47-73.
Yao, R., Yang, J., Gao, P., Zhang, J., and Jin, W. (2013). Determining minimum data set for soil quality assessment of typical salt-affected farmland in the coastal reclamation area. Soil and Tillage Research, 128, 137-148.
Yingbin, H., Uchida, S., Huajun, T., Youqi, C., and Jia, L. (2010). Application of TERRA/MODIS images, TM images and weather data to assess the effect of cold damage on rice yield. International Journal of Agricultural and Biological Engineering, 3(2), 31-38.
Zareii, V., and Sheklabadi, M. (2011). Effect of land use change and slope position on soil organic carbon segments. The first national congress of agricultural science and new technologies. Znjan University. Zanjan. Iran.
Zhang, C., and McGrath, D. (2004). Geostatistical and GIS analyses on soil organic carbon concentrations in grassland of southeastern Ireland from two different periods. Geoderma, 119(3-4), 261-275.
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