make sure that silage storage systems are built in accordance with the relevant construction standards, and field silage site rules are met (see guidance).
gofalwch fod eich systemau storio silwair wedi’u hadeiladu yn unol â’r safonau adeiladu perthnasol a’ch bod yn cadw at y rheolau ar ble i osod storfeydd silwair ar gae (gweler y canllawiau)