%0 Journal Article %T Application of Geostatistical Methods for determining nitrate concentrations in Groundwater (case study of Mashhad plain, Iran) %A MOOSAVI FAZL, SEYED HASAN %A Alizadeh, Amin %A Ghahraman, Bijan %J International Journal of Agriculture and Crop Sciences %@ 2227-670x %D 2013