?url_ver=Z39.88-2004&rft_id=10.18488%2Fjournal.70.2017.42.50.57&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N&rft.au=Girma%2C+N&rft.aulast=Girma&rft.atitle=Heterosis+for+Nitrogen+Fixation+and+Seed+Yield+and+Yield+Components+in+Chickpea+(Cicer+arietinum+L.)&rft.title=International+Journal+of+Sustainable+Agricultural+Research&rft.issn=2312-6477&rft.date=2017&rft.volume=4&rft.pages=50-57&rft.issue=2&rft.genre=article