[If] he planted one of them, he is exempt. The second [box] is treated as terumah, and it is subject to challah obligations. [These are the] words of R' Meir. But R' Yose exempts. [If] someone else planted the second [box], he is exempt. [If] one [person] planted both of them, [if it is] a species whose seed decomposes, it is permitted; but with a species whose seed does not decompose, it is forbidden.