Comment on “Foliar application of nanoparticles: mechanisms of absorption, transfer, and multiple impacts” by J. Hong, C. Wang, D. C. Wagner, J. L. Gardea-Torresdey, F. He and C. M. Rico, Environ. Sci.: Nano, 2021, 8, 1196–1210, DOI: 10.1039/D0EN01129K

The number of original papers, reviews and perspectives within the area of phyto-nanotechnology is virtually exploding.