Reference for Eruvin 47:1

בטיל ליה לגבי רובה והוה ליה קרפף יותר מבית סאתים ואסור

lose its own status to the major part and [the entire area<span class="x" onmousemove="('comment',' The sown part that was less than two beth se'ah and the unsown part that may be bigger than two beth se'ah.');">¹</span> would thus] become a karpaf that is bigger than two beth se'ah<span class="x" onmousemove="('comment',' Which is subject to the restrictions of a garden.');">²</span> [the movement of objects in which] is forbidden?<span class="x" onmousemove="('comment',' Even where it was enclosed for dwelling purposes, and even if all of it belonged to one owner.');">³</span>

Jastrow