Water is available in abundance in many cities, so what are the other factors of water scarcity?

Drip irrigation efficiency can be

Intensity of problem is said to be ‘nil / no problem’ if chloride content in irrigation water is

The percentage of water on Earth available as fresh water is

Calculate the amount of water for scheduling irrigation at 0.5 IW/CPE ratio with 10 cm of CPE

What is the formula for Residual Sodium Carbonate (RSC)?

Calculate the net irrigation requirement of maize crop
Effective root zone = 5 cm, B.D. = 2.15 g/cc, FC = 28%, PWP = 11%

A zone within the earth that restricts the flow of groundwater from one aquifer to another?