TY - BOOK AU - Rankine, Ian and Fairhurst, Thomas TI - Pocket Guide : Nutrient Deficiency Symptoms and Disorders in Oil Palm / Elaeis guineensis Jacq SN - 981-04-1334-3 U1 - 631.5/RAN CY - Singapore : Potash & Phosphate Institute, ©1998. N1 - Discription causes prevention treatment ER -