A vineyard — This and the former dispensation were generally convenient, but more necessary in the beginning of their settlement in Canaan, for the encouragement of those who should build houses or plant vineyards, which was chargeable to them, and beneficial to the common — wealth. Eaten of it — Heb. made it common, namely, for the use of himself and family and friends, which it was not, 'till the fifth year.
Related Commentaries of Deuteronomy 20:6
Deuteronomy 20:6
6 And what man is he that hath planted a vineyard, and hath not yet eatenb of it? let him also go and return unto his house, lest he die in the battle, and another man eat of it.