Source of Nutrients in Soil

Source of Nutrients in Soil

Nitrogen (N):
N source: the decomposition of organic materials from plants / animals.
N absorbed by plants in the form of ions NH₄⁺ or NO₃^-

Phosphorus (P):
P source : decomposition of organic materials and minerals apatite and calcium-phosphate (Ca₃(PO₄)₂).
P absorbed by plants in the form of ions HPO₄^2- or H₂PO₄^-

Potassium (K):
K source : mineral ortoklas (KAlSi₃O₈), leucit (KAl(SiO₃)₂), muscovite (KH₂Al₃(SiO₄)₃) and biotite (HK)₂(MgFe)₂(AlFe)₂Si₄O₁₂.
K is absorbed by plants in
form of K⁺ ions.

Calcium (Ca):
Ca source : mineral augite, hiperstin, hornblende and calcite (CaCO₃).
Calcium is absorbed by plants in
form of Ca²⁺ ions.

Magnesium (Mg):
Mg source : amphibole minerals (Ca(MgFe)₂Si₄O₁₂), biotite, chlorit and dolomite (CaCO₃MgCO₃).
Magnesium is absorbed by plants in
Mg²⁺ ions form

Sulfur (S):
S source : mineral gypsum (CaSO₄), barite (BaSO₄) and pyrite (FeS₂).
Sulfur absorbed by plants in
SO₄^2- ions form

Chlorine (Cl):
Cl source : mineral halite (NaCl) and sylvite (KCl). Chlor absorbed by plants in the form of Cl^- ions

Iron (Fe):
Fe source : mineral hematite (Fe₂O₃), magnetite and limonite. Fe absorbed by plants in the form of Fe²⁺ ions

Manganese (Mn):
Mn source : mineral pirolusit (MnO₂) and manganit (MnO(OH)) and braunit (MnSiO₂). Mn absorbed by plants in the form of Mn²⁺ ions

Copper (Cu) and Zinc (Zn):
Source of Cu and Zn : minerals secondary. Cu is absorbed by plants in the form of Cu²⁺and Zn in the form of Zn²⁺

Boron (B):
B source : termalin and borate minerals.
B Absorbed by plants in the form of BO₃^2-, HBO₃^2-, H₂BO₃^- and B₄O₇^2-

Molibdenium (Mo):
Mo source : granite rocks. Mo absorbed by plants in the form of molybdate ions (MoO₄^2-).