|Does diatomatious earth make good fertilizer? I have found it to be excellent for bugs on my plants. I'm hoping it works as well outdoors also.
|Answer from NGA
February 25, 2010
|Diatomaceous Earth is a naturally occurring siliceous sedimentary mineral compound from microscopic skeletal remains of unicellular algae-like plants called diatoms. The diatoms are mined and ground up to render a powder that looks and feels like talcum powder to us but is sharp as razor blades to insects. You can sprinkle diatomaceous earth over the top of the soil and it will keep insects at bay. It's not a fertilizer though, so feed as you usually do.
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