A team of researchers affiliated with multiple institutions in the U.S., has found adding sodium to floral nectar increased both visits by pollinators and their diversity. In their paper published in the journal Biology Letters, the group describes how they added sodium to the nectar of several plants and set them in a meadow and then watched how the local pollinators reacted to them.
Click here for original story, Field study shows pollinators prefer saltier nectar
Source: Phys.org