Rahimizadeh,M , , Zarea Feizabadi,A , and Kashani,A . "Nitrogen Agronomic Efficiency in Wheat-Based Double Cropping Systems under Different Rate of Nitrogen and Return of Crop Residue", Iranian Journal of Field Crops Research, 9, 2, 2011, 211-221. doi: 10.22067/gsc.v9i2.10996