@article{
  author = {Ameri, Farzad, Mirzakhani, Mohammad, AminianDehkordi, Rogie},
  title = {Effect of nitrogen levels, cultivator and simultaneous cropping on yield and yield components of corn},
  journal = {},
  year = {2014},
  volume = {11},
  number = {3},
  pages = {187-195},
  doi = {}
}