(Land) suitable for growing crops (6)
I believe the answer is:
arable
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">land suitable for growing crops</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for arable that I've seen before include "(Of land) capable of producing crops" , "Sort of land" , "Of land, fit for growing crops" , "Land suitable for growing crops" , "Fertile" .)