This seems like a good point: just building greenhouses, providing full control of water usage and easy mechanical access, delivers all the value without the inefficient trip through solar panels and LEDs.
On the other hand, wind power would not use up cropland, and the solar panels could be on non-crop land, or water. Stacked grow trays might be more efficient to operate on.
The new Frankenstein rice that does CD4 photosynthesis, and also makes carotenes, seems like a good choice to grow in them. Maybe it can be persuaded to make protein, in the bargain.
On the other hand, wind power would not use up cropland, and the solar panels could be on non-crop land, or water. Stacked grow trays might be more efficient to operate on.
The new Frankenstein rice that does CD4 photosynthesis, and also makes carotenes, seems like a good choice to grow in them. Maybe it can be persuaded to make protein, in the bargain.