| Grazed grass cost per hectare | Cyfanswm | |
| Gwrtaith | £ | |
| Chwynladdwr | £ | |
| Calch | £ | |
| Costau Silwair neu Gwair | £ | |
| Arall | £ | |
| Cyfanswm Costau Porfeydd | £ | |
| Number of hectare of grazed grasslands | ||
| Cost porfeydd yr hectar | £ | |
| Stocking rate (livestock unit per Hectare) | ||
| Cost porfeydd y pen | £ |