English: field capacity
Welsh: cae hyd at ei derfyn o ddŵr
Subject: Amgylchedd
English definition: A field saturated with water.
Welsh definition: Ystyr penodol: tir sydd cyn wlyped a all fod e.e. do not spread when the soil is at field capacity - peidiwch â gwasgaru ar y cae pan fo hyd at ei derfyn o ddŵr.