Source: GENETIC LITERACY PROJECT, 11/16/18


Organic farming uses pesticides just as conventional farming does. The only difference is that (with a few exceptions) the pesticides used in organic agriculture have to be derived from “natural” sources. One such example is copper sulfate, which is used in temperate climes as a fungicide. It’s used by both organic farmers although conventional farmers do have synthetic alternatives.
How does this 'natural’ pesticide compare in toxicity to synthetic or other natural chemicals commonly used by conventional farmers?

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