Using other Welsh Government and Farming Union magazines which are circulated to farmers in order to encourage them to return their survey forms.
Defnyddio’r cylchgronau eraill a gyhoeddir gan Lywodraeth Cymru ac Undebau’r Ffermwyr ac a anfonir at ffermwyr i’w hannog i anfon ffurflenni’r arolwg yn ôl atom.