This is part of the eCommons System at Cornell U.
Here’s a treasure trove of free organic downloads. (Do scroll down past the dairy farm information.)
The only “problem” is the information is aimed at farmers so the scale to the home garden is going to be a bit “off”.
But the data — particularly around things like the fruit tree growing material is going to be spot on for what you need to do in your own backyard (just not so much of it)