grazing will achieve a varied sward height where at least 75% of the grassland is between 5 cm and 20 cm between 15 May and 31 t August
bydd pori yn rhoi porfa o uchder amrywiol lle mae o leiaf 75% o'r glaswelltir rhwng 5cm ac 20cm rhwng 15 Mai a 31 Awst