Itaque pastorem columbarum quotquot mensibus crebro oportet everrere; est enim quod eum inquinat locum appositum ad agri culturam, ita ut hoc optimum esse scripserint aliquot.
So the pigeon-keeper should sweep them out frequently every month; for the droppings which make the place filthy are so well suited for fertilizing that several writers have stated that it is the best kind.
final_alignments\Varro_Agriculture_Book3.json