Water parameter

Symbol

Unit1

Usual range in irrigation water

Salinity

Salt Content

Electrical Conductivity

ECw

dS/m

0 - 3

dS/m

Total suspended Solids

TSS

mg/l

0 - 2000

mg/l

Cations and Anions

Calcium

Ca⁺⁺

me/l

0 - 20

me/l

Magnesium

Mg⁺⁺

me/l

0 - 5

me/l

Sodium

Na⁺

me/l

0 - 40

me/l

Carbonate

CO₃⁻

me/l

0 - 10

me/l

Bicarbonate

HCO₃⁻

me/l

0 - 20

me/l

Chloride

Cl⁻

me/l

0 - 30

me/l

Sulphate

SO₄⁻

me/l

0 - 20

me/l

NUTRIENTS2

Nitrate-Nitrogen

NO₃-N

mg/l

0 - 10

mg/l

Ammonium-Nitrogen

NH₄-N

mg/l

0 - 5

mg/l

Phosphate-Phosphorus

PO₄-P

mg/l

0 - 2

mg/l