Indonesian Journal of Oil Palm Research Volume 28 Number 3 Year 2020 is published by presenting articles: Determination of Yield, Quality and Chemical Composition of Palm Oil and Palm Kernel Oil of Fresh Fruit Bunches with Variation Maturity as A Basic for Determining Harvest Maturity Standard; Performance of Random Forest Group for Basal Stem Rot Disease Classification Caused by Ganoderma boninense in Oil Palm Plantation; Changes on Moisture Content and Electrical Conductivity of Oil Palm (Elaeis guineensis L.) Seeds During Short Period Storage Using Polypropylene and Vacuum Plastic in AC Controlled Room; Growth Response of Oil Palm Seedlings to Empty Fruit Bunch Mulching and Watering Frequency Adjustment; and Calcium Addition Improving Pectin Level in Oil Palm Seedlings (Elaeis guineensis Jacq.).