He was asked about gardens into which excrement is thrown, and he said, "When they have been irrigated several times, then pray in them," tracing it back to the Prophet ﷺ.
حدثنا محمد بن يحيى حدثنا عمرو بن عثمان حدثنا موسى بن أعين قال حدثنا محمد بن إسحق عن نافع
وسئل عن الحيطان تلقى فيها العذرات فقال إذا سقيت مرارا فصلوا فيها يرفعه إلى النبي ﷺ
No references are available.
[Its chain of transmission is daif] Busiri said, This is a daif chain because of the tadlis of Ibn Ishaq, and Amr bin Uthman bin Sayyar al-Raqqi is daif, as stated in Taqrib.