Skip to main content
. 2018 Aug 28;13(8):e0202274. doi: 10.1371/journal.pone.0202274

Fig 4. Effects of graphene (A, B) and CNTs (C, D) on shoot biomass production of bioenergy crops (sorghum, switchgrass) cultivated for 90 days in soil mix supplemented with CBNs (graphene, CNTs).

Fig 4

(* = p < .05 and ** = p < .01).