TY - BOOK AU - Karim Mohd Zin AU - Bachik Abu Talib TI - Comparative study of rubber effluent and an inorganic fertiliser as sources of plant nutrients for Hevea and their effects on soil properties PY - 1989/// PB - Journal of Natural Rubber Research KW - Fertilisers KW - Hevea KW - Plant nutrient KW - Rubber effluent KW - Soil properties ER -