@article{
  author = {Nahardani, A., Masoud Sinaki, جعفر, Abaspour, H., gharib bolouk, saeid},
  title = {Effects of Biological Fertilizer Spray and Planting Date on Yield and Yield Components of cowpea Vigna unguiculata In Bastam Shahrood},
  journal = {Journal of Plant Ecophysiology},
  year = {2016},
  volume = {8},
  number = {25},
  pages = {193-200},
  doi = {}
}