There's biologically treated fertilizer - biofertilizers[1] which combine nutrients with active organisms to improve availability. No idea how cost effective th

There's biologically treated fertilizer - biofertilizers[1] which combine nutrients with active organisms to improve availability. No idea how cost effective they are. 1. https://en.wikipedia.org/wiki/Biofertilizer https://en.wikipedia.org/wiki/Biofertilizer