Ma’aser Motivations
The Torah awarded kohanim with terumah gifts. After terumah was separated from freshly grown Israeli produce, the farmer would separate 10% of what remained and give that to a Levi. This is termed Ma’aser Rishon.
Eretz Yisrael Mitzvos
Whether the first tithe belongs only to Levi'im or may also go to kohanim, and the later decree to give it to the poor.
The Torah awarded kohanim with terumah gifts. After terumah was separated from freshly grown Israeli produce, the farmer would separate 10% of what remained and give that to a Levi. This is termed Ma’aser Rishon.