Mathur, V.L.Choudhary, Pradeep2013-10-172013-10-172006http://krishikosh.egranth.ac.in/handle/1/2041112en-USplanting, crossing over, yields, heterosis, environment, sowing, vegetables, developmental stages, nitrogen, geneticsGenetic Analysis of Nitrogen Fixation and Grain Yield in Black Gram [Vigna mungo (L.) Hepper]Thesis