Chouji shoots Luke a look of mild concern, but he doesn't say anything. Luke didn't push him, and the least he can do is return the favor.

"I don't know anything about farming moisture exactly, but if you need wells or irrigation here I can manage them. I'm good at digging. It's a clan talent, I suppose, with our specific set of techniques. That, and very heavy lifting."

He taps his chin in confusion then, adding almost as an afterthought, "How do you get sunlight to them underground, though? Just about every crop I know needs that as much as water." And he's familiar with a lot of them, at least once they reach the food stage.