To provide an abundance of food for native seed-eating farmland birds to survive over the winter, such as tree sparrow, linnet, yellowhammer and grey partridge.
Darparu ffynhonnell fwyd i adar ffermdir brodorol sy’n bwyta hadau iddynt allu goreosi’r gaeaf, fel colfannod y mynydd, llinosiaid, brasod melyn a phetrys.