An integrating photometer for measuring light penetration through cocoa canopies. Published online01 Jan 1974Content typeJournal articleJournal titleJournal of Applied EcologyDOI10.2307/2402010 Author(s)King, A. B. S. Publication languageEnglishLocationAfrica South of Sahara & Ghana View Key wordscocoacropslighttransmissiontropical cropsView