Sistem Agribisnis Jamur Tiram Putih (Pleurotus Ostreatus) Di Kota Pekanbaru

The purpose of this research to analyze upstream agribusiness subsystem, farming agribusiness subsystem, downstream agribusiness subsystem and knowing supporting subsystem oyster mushroom farming in pekanbaru city. The research was conducted by survey method and have been done by oyster mushroom entrepreneur in Pekanbaru city as 10 farmers. The results showed that upstream agribusiness subsyste…