Sunan at-Tirmithiy كتاب الزكاة باب ما جاء فى الصدقة فيما يسقى بالأنهار وغيره
The Messenger of God, peace and blessings of God be upon him, prescribed from [the produce of] rain or spring watered lands, and that which directly absorbs ground water, a tithe (1), and from [the produce of] irrigated lands half a tithe (1). Footnotes: (1) i.e. to be given in alms. Click on ḥadīth to read more