[1] Univ Queensland, Sch Agr & Food Sci, Brisbane, Qld, Australia
[2] Univ Queensland, Sch Chem & Mol Biosci, Australian Ctr Ecogen, Brisbane, Qld, Australia
[3] Univ Queensland, Adv Water Management Ctr, Brisbane, Qld, Australia
[4] Colorado State Univ, Dept Hort & Landscape Architecture, Ft Collins, CO 80523 USA
[5] Colorado State Univ, Ctr Rhizosphere Biol, Ft Collins, CO 80523 USA