@article{
  author = {Firouzi,, H., Mirshekari, B., Khorshidi Benam, M.B.},
  title = {Assessment of Interference of Growing Period of Amarant (Amaranthus retroflexus L.)  and Lambs Quarter (Chenopodium album) on Yield and its Components of Rapeseed},
  journal = {Journal of Crop Ecophysiology},
  year = {2011},
  volume = {5},
  number = {18},
  pages = {1-10},
  doi = {}
}