Corn stover — that is, the leaves, stalk and cobs from the corn left in the field after harvest — cannot be made into ethanol.
A simple way of garnering cellulose is to gather up the leftovers when these crops have been processed-bagasse from sugar cane, stover from corn and straw from wheat.
Corn stover, garden waste such as grass clippings, and offcuts from forestry and timber production are better bets, she reckons.
Grain yield and stover IVDMD of maize among different varieties