A fisherman who had a verygood catch might be moved to share a bitof his bounty with one who hadn't; a farmer with a robust harvest might help out a neighbor whose fields had been more fallow.
In exchange for this, the owner would get a large share of the crop raised by the tenant farmer.
VOA: special.2010.02.04
Instead of being dependent upon an agricultural agent to visit a farmer once every six months to share the latest farming practices, Rikin created a platform that allows farmers to share best practices with each other.