Pesticide food contamination. Coloured scanning electron micrograph (SEM) of a single crystal of a fungicide on a broad bean plant's leaf. Fungicides are used to kill the fungi that damage food crops and other plants. The plants must be washed after harvesting, in order to reduce the contamination of human food with potentially toxic chemicals. Magnification: x3400 when printed 10cm wide.
Model release not required. Property release not required.