Kadhim H. Huthily1,  Ali Raheem Kareem AL-Hasany2 1University of Basrah 2University of Muthanna Volume 3, Issue 2, 2015 Page 78-86 Abstract A field experiment was conducted during the winter season of 2013-2014 at a private field in Al-qurna county in a clay loam soil with an electrical condnctivity 3.2 dsm-1 ;to study the effect of […]