What harmful chemicals are there in organic farming?

When did food start to become non-organic (When were chemicals first used in farming)?

  • Answer:

    Food started to become non organic during the first half of the last century, synthetic fertilizers were affordably manufactured and tractors were quickly replacing manual labor. Chemical engineering emerged upon the development of unit operations, a fundamental concept of the discipline. in 1887, considered to be one of the earliest such about chemical engineering.

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