Oil palms on a Rengam series (Typic Paleudult) soil were supplied with anaerobic tank-digested POME (chemical composition given) or with the recommended rates of inorganic fertilizers (controls). Palms were planted in flatbeds (3 X 3 X 0.3 m) and the POME was applied 6 times a year by a tractor-tanker travelling along alternated avenues between […]