the land is prepared as a seedbed within 14 days for a crop and the crop is sown within a period of 10 days, beginning with the day after final seedbed preparation
paratoi gwely had o fewn 14 diwrnod ar gyfer cnwd a hau’r cnwd o fewn 10 niwrnod ar ôl diwrnod gorffen paratoi’r gwely had