Fertile (6)
'fertile' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for arable that I've seen before include "Cultivatable" , "Land for ploughing" , "Fit for crop growing" , "Suitable to grow crops" , "Of land, ready for cultivation" .)
'fertile' is the definition.
(I know that fertile can be written as rich)
This is the entire clue.
(Other definitions for rich that I've seen before include "Possessing material wealth" , "Very amusing; wealthy" , "(Person) with plenty of money" , "Well to do" , "Outrageous" .)
'fertile' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for productive that I've seen before include "Yielding results" , "efficient" .)