John Wesley on Deuteronomy 20:6

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.