'Ploughing' in the Bible

For the famine has been these two years in the land; and yet there are five years in which there will be neither ploughing nor harvest.

Six days shalt thou work, but on the seventh day thou shalt rest; in ploughing time and in harvest thou shalt rest.

And he departed thence, and found Elisha the son of Shaphat, who was ploughing with twelve yokes before him, and he with the twelfth; and Elijah went over to him, and cast his mantle on him.

And there came a messenger to Job and said, The oxen were ploughing, and the asses feeding beside them;