The USDA classification of irrigation water with regard to alkali and salinity hazards is based on
(A) Exchangeable sodium percentage and $\mathrm{pH}$
(B) Electrical conductivity and Sodium adsorption ratio
(C) Electrical conductivity and $\mathrm{pH}$
(D) Sodium percentage and $\mathrm{pH}$

Question ID - 156954 | SaraNextGen Top Answer

The USDA classification of irrigation water with regard to alkali and salinity hazards is based on
(A) Exchangeable sodium percentage and $\mathrm{pH}$
(B) Electrical conductivity and Sodium adsorption ratio
(C) Electrical conductivity and $\mathrm{pH}$
(D) Sodium percentage and $\mathrm{pH}$