A simple out of the box solution is intercropping. The loss of a single crop in a multi-crop system is not a ruinous loss compared to monocropping. It also reduces the requirements for pesticides and fertilizers if done well.
Is this solution compatible with contemporary mechanized agriculture ? Seeding, spraying, harvesting by machines ?
Otherwise, it's like finding an automobile manufacturing improvement that can only be used with hand assembly. Besides Rolls-Royce, it won't help anyone.
Somewhat, but 180 bushels of corn at $3.50/bushel is worth more than 60 bushels soybeans at $10/bushel. Farmers only grow soybeans because they are a source of fertilizer for their corn and so it works out in the long run.