Grains used as food and fodder (4)
I believe the answer is:
oats
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grains used as food and fodder</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for oats that I've seen before include "Cereal plants" , "Young men sow wild ones" , "Grains used as food and fodder" , "Cereal grass and seeds" , "Food for horses and Scots (said Dr Johnson)" .)