Not if you only measure "rice", as in the example. If you keep externalities out of it than it's hard to compete too. Do you know how highly subsidized current

Not if you only measure "rice", as in the example. If you keep externalities out of it than it's hard to compete too. Do you know how highly subsidized current food production is? All that energy (actual energy) that goes into it, when stuff is supposed to be able to grow on its own? We don't even have to look at the unknown unknowns of all the poisons. We use up sun energy stored millions of years ago to get our current energy, and the cost for doing so is zero because nature does not know about money.