Reference for Moed Katan 25:3

הכא מאי גברא קניס רבנן והא ליתיה או דלמא ממונא קניס רבנן והא איתיה

or manured<span class="x" onmousemove="('comment',' By bringing cartloads of manure and methodically spreading it over the field.');">⁵</span> by hurdling cattle<span class="x" onmousemove="('comment',' Methodically, instead of just letting cattle roam about on it.');">⁶</span> on it, it may not be sowed in the post-sabbatical year',<span class="x" onmousemove="('comment',' M. Sheb. IV, 2.');">⁷</span>

Jastrow