Miri,A. , , Gholamalizadeh Ahangar,A. , , Ghorbani,M. , and Shirmohammadi,E. . "Effect of usage way of alfalfa extract and bio-fertilizers on concentration of macronutrients, micronutrients and photosynthetic pigments in sunflower", Crop Science Research in Arid Regions, 1, 2, 2017, 204-221. doi: 10.22034/csrar.01.02.07