Buy appropriately sized tractors. Typically farmers are upgrading these things all the time, should be pretty straightforward to swap out this single factor of production to the right sort of thing.
Our vehicles and machinery have this tendency to occupy prime mental real estate, as unchangeable monoliths around which everything must be planned. In reality, they are the most changable thing, and we must change our machinery to serve us, rather than the other way around.
There are also lots of crops that are not serviced by large tractors, but individual human hands. In fact most of the fruit and vegetables we eat are like that, and many of those crops do very well with a bit less than full Sun.
Our vehicles and machinery have this tendency to occupy prime mental real estate, as unchangeable monoliths around which everything must be planned. In reality, they are the most changable thing, and we must change our machinery to serve us, rather than the other way around.
There are also lots of crops that are not serviced by large tractors, but individual human hands. In fact most of the fruit and vegetables we eat are like that, and many of those crops do very well with a bit less than full Sun.