(14) باب مَا جَاءَ فِي الصَّدَقَةِ فِيمَا يُسْقَى بِالأَنْهَارِ وَغَيْرِهِ
Salim narrated from his father that :
the Messenger of Allah instituted the Ushr of what was watered by the heavens and steams, or through natural channels, and half of the Ushr for what is watered by irrigation. (ES)
Reference (ES): Jami` at-Tirmidhi 640 (ES)
In-book reference (ES): Book 7, Hadith 24 (ES)
English translation (ES): Vol. 2, Book 2, Hadith 640 (ES)