Show the three yard system A three yard system may be used in connection with single colony houses with one yard located on each side as well as at the end only two yards are used at once while a crop Is be ing started on the third one y yard ard is sown to wheat or rye in the tall fall and another to oats as early as possible in III the spring while the fowls occupy the third but are let in to forage on the wheat shortly before feeding time each night to prevent waste by tram pling when the oats are nicely started the poultry Is given access to it and the wheat as well while the third lot is being seeded to oats buckwheat is used later on for green tood food |