Ye are cursed with a (the) curse. The effect of the curse was scarcity and barrenness, as we see from Malachi 3:10-12 (comp. Malachi 2:2; Haggai 1:6). The Vulgate assumes the result: In penuria vos maledicti estis.
The next clause given the reason of the curse. This whole nation. Not individuals only, but the whole nation (he does not any longer call them God's people) were implicated in this sin. The LXX; reading differently, has, "The year is ended, and ye have brought," etc.