Terumot is the sixth tractate of Seder Zeraim

Zeraim

Seder Zeraim is the first and shortest Seder of the Mishnah, the first major work of Jewish law. The section of mishnah was written by the rabbis to inform all Jews what must be done to fulfill their biblical obligations of prayer and commandments about food.Observers of Jewish law are bound with...

("Order of Seeds") of the Mishnah

Mishnah

The Mishnah or Mishna is the first major written redaction of the Jewish oral traditions called the "Oral Torah". It is also the first major work of Rabbinic Judaism. It was redacted c...

and of the Talmud

Talmud

The Talmud is a central text of mainstream Judaism. It takes the form of a record of rabbinic discussions pertaining to Jewish law, ethics, philosophy, customs and history....

. It discusses two type of donations, one the terumah which is generally 1/50 of your crop given to the Kohen and 10% of the Masser that is given to Levite is given to the Kohen, called "Terumat Masser." The laws of Terumah are still applicable to produce grown in the Land of Israel. There is debate as to whether the present day obligation is Biblical or Rabbinic. These laws are also mentioned in detail in tractates of "Demai

Demai

Demai is the third tractate of Seder Zeraim of the Mishnah and of the Talmud. There is some debate as to the literal meaning and origin of the word...

" and "Ma'aserot

Ma'aserot

Ma'aserot is the seventh tractate of Seder Zeraim of the Mishnah and of the Talmud. It discusses the types of produce liable for tithing as well as the circumstances and timing under which produce becomes obligated for tithing. In Biblical times, during each of the six years of the cycle, "Maaser...

".