I don't have a specific suggestion, but it could be something like "synthetic fertilizer kills the symbiotic microbes nevvessary to..." rather than "scorched so

I don't have a specific suggestion, but it could be something like "synthetic fertilizer kills the symbiotic microbes nevvessary to..." rather than "scorched soils (that require chemicals to grow anything)". Just an example. I have no idea what "scorched soil" means.