Origin of nubbin
Examples from the Web for nubbins
And that was a poor farm in a remote part of Indiana, in a little place that was so poor that the corn was all nubbins.
One is filled with nubbins; the other with large, shapely, well-matured ears of corn.Self Knowledge and Guide to Sex Instruction|T. W. Shannon
And I'm afeard they'll be a heap of nubbins not wuth the shuckin'.The End Of The World|Edward Eggleston
The faces of the ashlars are nicely finished except for several rough bosses or nubbins.Inca Land|Hiram Bingham
So poor indeed, that it was capable of producing nothing but nubbins (corn) from which it derived its name.
Word Origin for nubbin
"stunted ear of corn," 1690s, American English diminutive of nub. General sense of "small piece" is from 1857.