On this Tuesday's edition of the Motley Fool's "Digging for Value", our analyst Taylor Muckerman is presented with three agriculture companies that he must choose to buy, sell and hold. Our host, Alison Southwick, presented him with CF Industries (CF 0.90%)Deere & Co (DE -0.65%), and Mosaic (MOS 0.26%). Check out the video below to find out which company he chose as his long-term buy. Any guesses as to what dividend payer he would choose to sell?