In this article. DMSO, or dimethyl sulfoxide, is a by-product of paper making. It comes from a substance found in wood. DMSO has been used as an industrial solvent since the mid-1800s.MSO is easily absorbed by the skin. It's sometimes used to increase the body's absorption of other medications. DMSO is available without a prescription most often in gel or cream form.
Actual soil fertility is the amount of nutrients and moisture derived from the soil by the plants in a given year.
- in the Earth's crust, to a limited extent (in the form of nitrates, etc.), - in organic form (in the living or dead plants and organisms which form humus). - and in mineral form (ammonia), and thus contributes to soil fertility. In gaseous form, nitrogen is a neutral and colorless gas.