GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Definition: System o osod hadau yn y tir heb darfu ar y pridd, gyda gweddillion cnydau ar wyneb y tir rhwng adeg cynaeafu ag adeg hau. Caiff yr hadau eu gosod mewn slotiau cul yn y pridd, a grewyd gan offer pwrpasol.
