What did the Prophet (saw) forbid concerning the sale of dates on the trees till they became fit for eating and could be weighed?
 Narrated Abu Bakhtari at-Tai:                     I asked Ibn `Abbas about Salam for (the fruits of) date-palms. He replied "The Prophet forbade the sale a dates on the trees till they became fit for eating and could be weighed." A man asked what to be weighed (as the dates were still on the trees). Another man sitting beside Ibn `Abbas replied, "Till they are cut and stored." Narrated Abu Al-Bakhtari: I heard Ibn `Abbas (saying) that the Prophet forbade ... etc. as above.