Previously it was thought that oil palms were mainly pollinated by the wind. Therefore, a poor crop was attributed to unfavorable climatic conditions.
Agrāk cilvēki domāja, ka eļļas palmas galvenokārt apputeksnē vējš, tāpēc par neražas cēloni tika uzskatīti nelabvēlīgi laika apstākļi.