@article{
  author = {Sorkhi, Farshad},
  title = {Effect of Irrigation and Nitrogen Fertilizer Levels on Physiological Characteristics of Four Varieties of Barley (Hordeum vulgare L.)},
  journal = {Journal of Crop Ecophysiology},
  year = {2015},
  volume = {9},
  number = {35},
  pages = {401-416},
  doi = {}
}