The mobile app Oil palm crop doctor is an interactive app that disseminates information readily and from correct source to oil palm stakeholders. It enables the farmer / user to send queries to ICAR-IIOPR and receive the required information. The app has four modules viz., (i) Pests, Diseases and Deficiencies (ii) Fertilizer Calculator (iii) Enquiry and (iv) Crop Videos. It also has a side menu which displays the options of Home, About Oil Palm Crop Doctor, Contact Us and Logout. Installatio