Ahearn, Madeleine Jennifer Alice2018-04-042018-04-041987b1675571http://hdl.handle.net/1885/142304iv, 114 leavesenWhite clover RootsNitrogen FixationRhizobiumA study of isolated root culture in white clover198710.25911/5d6c40d4c05cd2018-03-27