I doubt farmers have enough spare pre-electronics equipment sitting around to run the entire farm at the same scale. I'm sure they could improvise a way to cont

I doubt farmers have enough spare pre-electronics equipment sitting around to run the entire farm at the same scale. I'm sure they could improvise a way to continue farming, but output would be substantially impacted. Humanity managed to do fine for millennia by existing in a state of frequent malnutrition and a not insignificant number of deaths from starvation. And it was never in a world with the population density we have today.