Plants need nitrates for good growth, but they can also accumulate in salad leaves. So are they safe to eat, wonders James Wong
Source:
https://www.newscientist.com/article/2238043-are-the-nitrates-in-salad-leaves-dangerous-for-your-health/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home