Kiani,S , , Moradi Telavat,M R , , siadat,S A , , Abdali Mashhadi,A R , and Sari,M . "Evaluation of qualitative and quantitative of forage yield in intercropping of barley and fennel at different levels of nitrogen", Journal of Crops Improvement, 16, 4, 2015, 973-986. doi: 10.22059/jci.2015.53591