Important Conversion Factors (Soil & Plant Nutrition)

🔁 Important Conversion Factors (Soil & Plant Nutrition)

From	To	Conversion Factor
Nitrate (NO₃)	Nitrogen (N)	NO₃ × 0.22
Nitrogen (N)	Nitrate (NO₃)	N × 4.54
Phosphorus (P)	P₂O₅	P × 2.27
P₂O₅	Phosphorus (P)	P₂O₅ × 0.44
Potassium (K)	K₂O	K × 1.20
K₂O	Potassium (K)	K₂O × 0.83
Calcium (Ca)	CaO	Ca × 1.40
CaO	Calcium (Ca)	CaO × 0.71
Magnesium (Mg)	MgO	Mg × 1.63
MgO	Magnesium (Mg)	MgO × 0.61
Organic Carbon (OC)	Organic Matter (OM)	OC × 1.724
Organic Matter (OM)	Organic Carbon (OC)	OM × 0.58