Bringing barren Lands into Cultivation ; and the use of Water - Section 1 Mishkat al-Masabih 2994
Arabic hadith text
عَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا تمنعوا فضل المَاء لتمنعوا بِهِ فضل الْكلأ»
Translation
Abu Huraira reported God’s Messenger as saying, “Do not withhold excess water to prevent thereby extra herbage growing.” (Bukhari and Muslim.)