Supplementary Figure 4: Plot layout of VIT1 and IRT1 + FER1 transgenic lines.

a) Chemical properties of soil at Isabela field station, University of Puerto Rico, Mayaguez, PR, USA. (b) Plot layout of replicated field trial of VIT1 transgenic lines in 2014. (c) Plot layout of IRT1 + FER1 transgenic lines in 2015. WT; wildtype, X; buffer row with wildtype plants.