Welsh Government are currently investigating alternative sources of data but for this release the 2020 potato figures have been used as an interim estimation.
Ar hyn o bryd, mae Llywodraeth Cymru yn ymchwilio i ffynonellau data amgen ond, ar gyfer y datganiad hwn, mae ffigurau tatws 2020 wedi'u defnyddio fel amcangyfrif dros dro.