%0 Journal Article %T Agro-ecological zoning for wheat (Triticum aestivum), sugar beet (Beta vulgaris) and corn (Zea mays) on the Mashhad plain, Khorasan Razavi province %A Ehsan Neamatollahi %A Bannayan Aval, Mohammad %A Mohammad Reza Jahansuz %A Paul Struik %A Faridhosseini, Alireza %J Egyptian Journal of Remote Sensing and Space Science %@ 1110-9823 %D 2012