Res Rustica
Columella, Lucius Junius Moderatus
Columella. On agriculture, Volume 1-2. Ash, Harrison Boyd; Foster, Edward Seymour; Heffner, Edward H., editors. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1941.
Colles pinguis soli peracta satione trimestrium[*]()mense Martio, si vero tepor caeli siccitasque regionis suade- [*](solis codd. ) [*](aliquibus R pauci, edd. ante Lundström. ) [*](statim R pauci, edd. ante Gesn. ) [*](trimestri Ald., Gesn., Schn. a About three-fifths of an acre. b Varro says (R.R. I. 29. 3) that the ridges between the furrows are called porcae because that soil produces (porricit) the grain. )
Sed [*]()in arando maxime est observandum, semper ut transversus mons sulcetur. Nam hac ratione difficultas acclivitatis infringitur, laborque pecudum et hominum commodissime sic minuitur. Paulum tamen, quotiensque [*]()iterabitur, modo in elatiora, modo in depressiora clivi obliquum agi sulcum oportebit, ut in utramquepartem rescindamus nec eodem vestigio terram moliamur.