Explanation:

Chresard is the term given to the available water in the soil, which can be utilized by the plants. Water is basically present in the thin and narrow capillaries formed from the soil.Amount of water not available to plants is called as echard. It includes hygroscopic water and chemically bound water. Water present in the capillary spaces between soil particles is available to plants and is called as chresard. ... It includes gravitational and surface run off water, chresard and echard water.