Image-based leaf SPAD value and chlorophyll measurement using a mobile phone: enabling accessible and sustainable crop management
John Anderson, Kulaporn Boonyaves, Haruko Okamoto, Netiya Karaket, Wannisa Chuekong, Miguel Garvie, Napason Chabang, Daniel Osorio, Kanyaratt Supaibulwatana
This paper develops a mobile phone-based app to estimate leaf SPAD and chlorophyll values in rice with accuracy comparable to lab methods and commercial tools.
Precision Agriculture · May 22, 2026Peer-reviewedPlant Biology