Define gravitational water
Answers
Answer:
Gravitational water is free water moving through soil by the force of gravity. It is largely found in the macropores of soil and very little gravitational water is available to plants as it drains rapidly down the water table in all except the most compact of soils.
Answer:
The water content in the soil and plants is described as water potential. When we study the Plant - water relation we have 3 types of water present. On the basis of their function in the soil, there are three types of soil water .
- Gravitational water
- Capillary water, and
- Hygroscopic water
Explanation:
The term gravitational water refers to the free form of water that is held loosely in soil. Majorly it is present in the soil’s macropores.
A very low amount of gravitational water is made available to plants hence the plants are not able to use this water as the water moves much rapidly out of the soil.
Gravitational water is stored in the soil during the rainfall period and then it is transported from the upper layer of the soil to the lower layers and the roots.
The next type of plant water is capillary water, hygroscopic water and chemically combined water which is the water molecules present at the end having chemicals and ions.