Sunan an-Nasa'i
Sunan an-Nasa'i 2490
Arabic hadith text
أَخْبَرَنَا هَنَّادُ بْنُ السَّرِيِّ، عَنْ أَبِي بَكْرٍ، - وَهُوَ ابْنُ عَيَّاشٍ - عَنْ عَاصِمٍ، عَنْ أَبِي وَائِلٍ، عَنْ مُعَاذٍ، قَالَ بَعَثَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم إِلَى الْيَمَنِ فَأَمَرَنِي أَنْ آخُذَ مِمَّا سَقَتِ السَّمَاءُ الْعُشْرَ وَفِيمَا سُقِيَ بِالدَّوَالِي نِصْفَ الْعُشْرِ .
Translation
Hannad ibn al-Sari reported from Abu Bakr—meaning Ibn Ayyash—from Asim, from Abu Wail, from Muadh, who said: The Messenger of Allah ﷺ sent me to Yemen and instructed me to collect one tenth from what rain waters, and half of one tenth from what is watered by waterwheels.
Translation notes
The Arabic names the irrigation method al-dawali, rendered here as waterwheels.