stover
noun
sto·ver ˈstō-vər 
1
dialectal, chiefly England : fodder
2
: mature cured stalks of corn with the ears removed that are used as feed for livestock
Example Sentences
Recent Examples on the Web Cellulosic ethanol, for example, uses corn stover, wood waste, or other plant material that would not be used otherwise. 
National Geographic, 15 July 2019 One of the leading companies exploring ethanol from biomass is Novozymes, which is developing an enzyme that turns corn stovers, wood chips, switchgrass and other agricultural waste into glucose sugar that can be converted into ethanol. Wired Staff, WIRED, 3 Feb. 2006
National Geographic, 15 July 2019 One of the leading companies exploring ethanol from biomass is Novozymes, which is developing an enzyme that turns corn stovers, wood chips, switchgrass and other agricultural waste into glucose sugar that can be converted into ethanol. Wired Staff, WIRED, 3 Feb. 2006 Word History
Etymology
Middle English, modification of Anglo-French estovers necessary supplies, from estover to be necessary, ultimately from Latin est opus there is need
First Known Use
14th century, in the meaning defined at sense 1