Additional requirements will apply to all land from 1 April 2023 and 1 August 2024, as part of the agreed transition period for land not previously in a Nitrate Vulnerable Zone (NVZ).
Bydd gofynion ychwanegol ar yr holl dir o 1 Ebrill 2023 ac 1 Awst 2024, fel rhan o’r cyfnod pontio ar gyfer tir sydd heb fod yn rhan o Barth Perygl Nitradau (NVZ).