- Nitrogen is found in soil in both organic and abiotic forms
- Nitrogen is found 95% in soil, but still, nitrogen deficiency is found in very large amounts in the soil.
- Nitrogen found in soil is in the organic form which cannot be used by soil and crop.
- Soil and crops use only inorganic forms of nitrogen.
- Some of the nitrogen-rich sources are ammonium nitrate (NO3), ammonium sulfate, ammonium chloride, calcium ammonium nitrate, urea, urea ammonium nitrate. These are all types of inorganic nitrogen.
- Whenever soil or crop requires it, it dissolves in the soil giving great benefits to plants and also improving soil structure.
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