Volume 3, Book 35, Number 456:
Narrated Muhammad bin Abi Al-Mujalid:
Abu Burda and ‘Abdullah bin Shaddad sent me to ‘Abdur Rahman bin Abza and ‘Abdullah bin Abi
Aufa to ask them about the Salaf (Salam). They said, “We used to get war booty while we were with
Allah’s Apostle and when the peasants of Sham came to us we used to pay them in advance for
wheat, barley, and oil to be delivered within a fixed period.” I asked them, “Did the peasants own
standing crops or not?” They replied, “We never asked them about it.”
Volume 3, Book 35, Number 448:
Narrated Muhammad bin Abi Al-Mujalid:
as above (446) and said, “We used to pay them in advance for wheat and barley (to be delivered
later). Narrated Ash-Shaibani–“And also for oil.”