%0 Journal Article %T Determining soil indicators for soil sustainability assessment using principal component analysis of Astan Quds- east of Mashhad- Iran %A Ghaemi, Marjan %A Astaraei, Ali Reza %A Emami, Hojat %A Nassiri Mahallati, Mehdi %A Sanaei Nejad, Seyed Hossein %J Journal of Soil Science and Plant Nutrition %@ 0718-9516 %D 2014