No, D'Hara gave Terran at least 1000 bushels...right before the Great Drought hit. That's part of why D'Hara lost half its regions--we helped Terran survive.
That's one of the few times we've ever needed imports to get through.
And kinda a long time ago. We've been food-sufficient for a long time.
In other news: Hireshmont is ruler again.
I'm giving it a 95% chance that Aurvandil rejects the most recent surrender offer. But if they DON'T reject it... well I almost hope they do. Because it'd be awfully humiliating to swallow the terms Terran is offering.