Not hydroponics at all but you may be interested in precision fermentation like Solar Foods is developing which could replace a substantial amount of the grain

Not hydroponics at all but you may be interested in precision fermentation like Solar Foods is developing which could replace a substantial amount of the grain and soy we grow. https://en.wikipedia.org/wiki/Solar_Foods https://en.wikipedia.org/wiki/Solar_Foods https://www.theguardian.com/commentisfree/2022/nov/24/green-technology-precision-fermentation-farming https://www.theguardian.com/commentisfree/2022/nov/24/green-...