TY - BOOK AU - Guruprasad M.K. TI - Leaf litter addition and nutrient recycling in rubber (Hevea brasiliensis Muell. Arg.) in Vellanikkara estate PY - 1992/// PB - Dissertation, PG Diploma in Natural Rubber Production, Kerala Agricultural University, Trichur, India, 37 p. KW - Leaf litter addition KW - Nutrient recycling ER -