- Sulfur is an element. Sulfur is one of the six basic chemicals of life. Six chemicals - carbon
(C), hydrogen (H), oxygen (O), nitrogen (N), sulfur (S) and phosphorus (P) -
make up about 98 percent of the weight of people and trees.
About 95% or more of the nitrogen and sulfur is in an organic form in most surface soils.
See: "Essential Element" "Nitrate" "Fertilizer" and "IRS"
See "A TOUCH OF CHEMISTRY, SHIGO, 1996"
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