Observation on decomposition rates of leaves of several shrub and tree species applied as mulch under humid tropical conditions ACBM van der Kruijs; J. van der Heide; B.T. Kang text Ind In : J. van der Heide (ed) Nutrient management for food crop production in ..., Hr. Gr. and Malang (Indonesia) Inst for soil Fert (ib) and UNIBRAW 1989 : pp. 361-366 In : J. van der Heide (ed) Nutrient management for food crop production in ..., Hr. Gr. and Malang (Indonesia) Inst for soil Fert (ib) and UNIBRAW 1989 : pp. 361-366 MULCHES LEAVES HUMID TROPICS