Where Do Nitrates Come From?

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Where Do Nitrates Come From?

I know that they come from animal wastes and from improperly maintained septic tanks, but is there any other way that Nitrates come from?

2007-12-17 10:57:52 · 2 answers · asked by dgaf 2 in Science & Mathematics ➔ Biology

2 answers

Nitrogen fixing bacteria located on the roots of some plants (legumes) ; nitrifying bacteria in the soil.
Also, lightning can combine atmospheric nitrogen + oxygen to form a nitrate.
Look up- "nitrogen cycle".

2007-12-17 12:25:54 · answer #1 · answered by ursaitaliano70 7 · 0⤊ 0⤋

Nitorgen fixing bacteria in the earth are constantly fixing nitrogen in the air into nitrates so they can be used by plants and animals etc..

2007-12-17 11:01:45 · answer #2 · answered by Anonymous · 0⤊ 0⤋