Question

Which of the following types of soil water can be included under chresard?

• A. Gravitational water
• B. Capillary water
• C. Hygroscopic water
• D. All of these

Answer 1

The correct option is B Capillary water

Chresard refers to the amount of water available to the plants
Echard refers to the amount of water unavailable to plants
Hollard refers to the total amount of water
Hollard=chresard+echard
Soil water can be divided into 3 types- hygroscopic water, gravitational water and capillary water.
Hygroscopic water forms a thin film around the soil particles by adhering to them. This water is unavailable to plants.
Gravitational water seeps through the soil due to gravity. It drains into the water table. Very little amount of this water is available to plants.
Both hygroscopic water and gravitational water come under echard.
Capillary water is held in the micropores of the soil. It is the main water available to the plants. It comes under chresard.