Jerusalem Talmud Bava Metzia 7.5

משנה: הַשּׂוֹכֵר אֶת הַפּוֹעֲלִין לַעֲשׂוֹת עִמּוֹ בְּנֶטַע רְבָעִי שֶׁלּוֹ הֲרֵי אֵילּוּ לֹא יֹאכְלוּ. אִם לֹא הוֹדִיעָן פּוֹדֶה וּמַאֲכִילָן. נִתְפָּרְסוּ עִגּוּלָיו נִתְפַּתְּהוּ חָבִיּוֹתָיו הֲרֵי אֵילּוּ לֹא יֹאכְלוּ. אִם לֹא הוֹדִיעָן מְעַשֵּׂר וּמַאֲכִילָן.

MISHNAH: If somebody hires workers to work with him in his fourth-year plantation, they may not eat. If he did not inform them, he has to redeem it and feed them. If his fig cakes were dislodged or his amphoras opened, they may not eat. If he did not inform them, he has to tithe and feed them.

הלכה: הַשּׂוֹכֵר אֶת הַפּוֹעֲלִין כול׳. כָּל שֶׁכְּיוֹצֵא בוֹ בָא לְזִיקַת הַמַּעְשְׂרוֹת וְאִיסּוּר אַחֵר גָּרַם לוֹ. שְׂכָרוֹ סְתָם פּוֹדֶה וּמַאֲכִיל מְעַשֵּׂר וּמַאֲכִיל. קָצַץ עִמּוֹ הֲרֵי זֶה אוֹכֵל. וְכָל שֶׁאֵין כְּיוֹצֵא בוֹ בָא לְזִיקַת הַמַּעְשְׂרוֹת וְאִיסּוּר אַחֵר גָּרַם לוֹ. שְׂכָרוֹ סְתָם אֵינוֹ אוֹכֵל. קָצַץ עִמּוֹ הֲרֵי זֶה אוֹכֵל.

HALAKHAH: “If somebody hires workers to work,” etc. Anything which is of a kind apt to be under the rules of tithing but another prohibition caused it [to be forbidden to eat], if one hired [a worker] without mentioning it, he has to redeem and feed, tithe and feed. If [the worker] contracted for it, he eats. But if it is of a kind exempt from the rules of tithing but another prohibition caused it [to be forbidden to eat], if one hired [a worker] without mentioning it, that one cannot eat; if he contracted for it, he eats.