根据一个 遗传素养项目的文章，加州农民使用的活性成分有一半以上被批准用于有机用途。
The article looked at the state’s 2013 pesticide use and compares synthetic pesticides with natural ones like sulfur and petroleum distillates. “The organic-approved and synthetic pesticides used in California today have a similar distribution of relative toxicity, mostly at the low toxicity end of the spectrum,” the article says. “The categories that have organic-approved active ingredients are indicated with the USDA logo and together these comprise 55 percent of the total pounds applied. These materials are extensively used by both organic and non-organic growers.”
阅读全文 遗传素养项目文章.