Evolution of the decomposition of the mulches used in the treatments in the study carried out in an oil palm plantation in Esmeraldas, Ecuador. (a) fresh fruitless bunches; (b) fruitless bunches after 90 days; (c) fresh fiber; (d) fiber after 90 days; (e) fresh weeds; (f) weeds after 90 days; (g) fresh leaves; (h) leaves after 90 days.