@article{
  author = {Najafi, N., Mohammadnejad, A.},
  title = {Differential Concentrations of some Nutrient Element in Forage of Corn (Zea mays L.) as Affected by Organic Fertilizers and Soil Compaction},
  journal = {Journal of Crop Ecophysiology},
  year = {2015},
  volume = {9},
  number = {36},
  pages = {561-582},
  doi = {}
}