Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:…faster recovery from water-deficit stress; accumulated more Na?, K? and Ca2? in leaves, and maintained higher leaf relative water content
Gaxiola et al.
(2001)
Arabidopsis thaliana Stimulated shoot and root development by increased auxin transport rate and distribution
Li et al.…
Category: