Regrowth ability and seed dry weight of Trifolium alexandrinum plants inoculated with a mixture of exotic (EMix) and native (NMix) arbuscular myeorrhizal (AM) fungi and with four isolates of the AM fungal species Glomus mosseae (AZ225C and IMA1) and Glomus intraradices (IMA5 and IMA), and control (C). Plants harvested after eight and nine months in the field (first and second harvest).