Plant based protein is basically putting oil in the ground and getting crops back.
It's intellectually disgusting how you try to put a round peg in a square hole.
Reality is the opposite of what you said.
Pesticide bioaccumulation in cattle https://pubmed.ncbi.nlm.nih.gov/7525218/
Public Health Implications of Pesticide Residues in Meat https://www.researchgate.net/publication/50434365_Public_Hea...
In this case, you might as well stop eating animal protein, if you can't make it work for you.
It's a bit disingenuous to say that animal proteins don't need fertiliser when in fact the extreme vast majority of the animals we eat are fed products or byproducts coming from intensive agriculture which uses fertilisers
Typically, "grain fed" cattle are fed with grass for most of their life, and then "finished" in grain lots to plump them up before sale. They aren't raised from birth to steak on grain.