Sayyiduna Ibn Abbas (may Allah be pleased with them both) narrated that the Prophet (peace and blessings be upon him) came to Madinah while the people were paying in advance (salaf) for fruit for one year, two years and three years. He (peace and blessings be upon him) said: "Whoever makes an advance payment (salaf), let him do so for a known measure, a known weight and a known term."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11216
Sayyiduna Ibn Abbas (may Allah be pleased with them both) narrated that the Prophet (peace and blessings be upon him) came to Madinah while the people were paying in advance (salaf) for fruit for two years and three years. He (peace and blessings be upon him) said: "Whoever makes an advance payment (salaf), let him do so for a known measure, a known weight and a known term."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11217
Sayyiduna Ibn Abbas (may Allah be pleased with them both) narrated that it was mentioned to the Prophet (peace and blessings be upon him) that the Jews fast on the day of Ashura. So the Prophet (peace and blessings be upon him) said: "If we live, we will differ from them and fast on the ninth (as well)."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11219