1- Abdollahi J., and Naderi H. 2012. Soil and topographical variation influencing the growing factors of Artemisia sieberi in steppic rangeland, Nodoushan-Yazd. Watershed Management Research (Pajouhesh & Sazandegi), 9: 52-62. (in Persian)
2- Afshar H., Salehi M.H., Mohammadi J., and Mehnatkesh A.M. 2009. Spatial variability of eheat yield and soil properties in selected quantitative land suitability map units in Farrokhshar area, Chaharmahal and Bakhtaran province. Journal of Water and Soil . 23(1):161-172. (in Persian with English abstract)
3- 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. 58:1240-1248. (in Persian)
4- Cambardella C.A., Moorman T.B., Novak J.M., Parkin T.B., Karlen D.L., Turco R.F., and Konopka A.E. 1994. Field-scale variability of soil properties in central Iowa soils. Soil Science Society of America Journal. 58:1501- 1511. (in Persian)
5- Cox M. S., Gerard P. D., and Abshire M.J. 2006. Selected soil properties variability and their relationships with yield in three Mississippi fields. Soil Science 171 (7):541-551.
6- Delbari M., Afrasib P., and Loiskandl W. 2009. Using sequential Gaussian simulation to assess the fieldscale spatial uncertainly of soil water content. Catena, 79:163-169. (in Persian)
7- Esfandiarpour-Bourujeni A., Mohammadi J., Salehi H.M., and Tomanian N. 1388. Generalizability of Geopedologia Method in Soil Survey. Ph. D thesis submitted to Facult agriculture of Shahrekord University. (in Persian with English abstract)
8- Faalian A., Ansari H., Kafi M. 2012. Evaluation of the Effects of Different Irrigation Water Salinity on Quality and Quantity Indices of Cherry Tomato in Hydroponics. Journal of Water and Soil, 26(2):451-459. (in Persian)
9- Fu B.J., Liu S.L., Ma K.M., and Zhu Y.G 2003. Relationships between soil characteristic, topography and plant diversity in a heterogeneous broad-leaved forest near Beijing China. Journal of Plant and Soil, 261: 47-54. (in Persian)
10- Gee G., and Bauder J.W. 1986. Particle size analysis. In: A. Klute (Ed.). Methods of soil analysis. Part1. America Society of Agronomy, 383-411. (in Persian)
11- GEOEAS, 1991. Environmental monitoring systems laboratory office of research and development. Us Environmental Protection Agency, Las Vegas, nevada, USA. (in Persian
12- Golden Software Inc. 2002.Surfer 8.00. CO 80401-1866, USA.
13- Hosseinzadeh N., Salehi M.H., and Mohammadi J. 2014. The effect of sampling density on the accuracy of estimation for some of soil properties in shahrekord plain. Journal of Water and Soil, 28(1): 190-202. (in Persian with English abstract)
14- Khedri Gharibvand H.A., Dianati Tilaki G.A, Sohrabi H., Mesdaghi M., Sardari M. 2010. Effect of soil properties, elevation and slope aspect on distribution of Camphorosma monspeliaca L. in Doto-Tang Sayad region of Chaharmahal and Bakhtiari province. Rangeland, 3(3):357-370. (in Persian)
15- Khoi S. 1372. The Principles of Citrus nutrition (1st ed.). Tehran: printing and publication of Ministry of Culture and Islamic Guidance. (in Persian)
16- Lindsay W.L., and Norvell W.A. 1978. Development of a DTPA soil test for zinc, iron, manganese, and copper, Soil Science Society of America Journal 42:421-428. (in Persian)
17- Nelson R.E. 1982. Carbonate and gypsum. In: A. L. Page et al. (eds.) Methods of Soil Analysis. Part 2. Soil Science Society of America Journal. Madison 181-197. (in Persian)
18- Olsen S.R., and Sommers L.E. 1982. Phosphorous. In: Page A.L. and Klute A. (eds.) Methods of Soil Analysis. Part 2. Chemical and microbiological properties. American Society of Agronomy. Madison. Wisconsin. pp:403- 430. (in Persian)
19- Pannatire Y. 1996. VARIOWIN: Software for spatial data analysis in 2D. Springer-Verlag, New York, NY, USA. (in Persian)
20- Ping J.L., Green C.J., Bronson K.F., Zartman R.E., and Dobermann A. 2004. Identification of relationships between cotton yield, quality, and soil properties. Published in Agronomy Journal, 96:1588-1597. (in Persian)
21- Rafi-Hosseini M., and Mohammadi J. 1380. The Analysis of Spatial Distribution of Soil Fertility and the Crop Yield for the Precise Crop Management. 7th Congress of Soil Sciences, Iran, 4-7 Shahrivar. Faculty agriculture of Shahrekord University. 178-180. (in Persian)
22- Rostami-Sobhi F., and Golchin A. 1390. Investigating of the Effect of Different Amounts of Nitrogen, Manganese and Zinc on Pomegranate Yield in Mazandaran. The Journal of Horticultural sciences, 25(20) pp: 242-234. (in Persian)
23- Thomas G.W. 1982. Exchangeable cations. In: Page A.L. et al. (eds.) Methods of soil analysis. Part2. Chemical and microbiological properties. American Society of Agronomy. Madison. Wisconsin. pp: 159-165. (in Persian)
24- Vieira S.R., and Paz Gonzalez A. 2003. Analysis of the spatial variability of crop yield and soil properties in small agricultural plots. Bragantia, Campinas, 62:127-138. (in Persian)
25- Walkley A., and Black I.A. 1934. An examination of degtjareff method for determining soil organic matter and a proposed modification of chromic acid in soil analysis. Soil Science 79:459-465. (in Persian)
26- Yemefack M., Rossiter D.G., Njomana R. 2005. Multi - scale characterization of soil variability within in agricultural landscape mosaic system in southern Cameroon. Geoderma 125: 117-143. (in Persian)