photographing corms on grids
MARK MAZER AND FREDRIKA MAZER (Tue, 29 Jan 2013 16:05:50 PST)

Getting a good exposure of dark corms or seeds on a white background can

be tricky.

Use an 18% grey background color for the pix. Better digital image
management. Close enough is widely available to self print via a websearch..

Mark Mazer
Hertford, North Carolina USDA 8