About Lesson
Role of water
- Water is essential part of cell protoplasm and important ingredient in photosynthesis.
- Water acts as a carrier of nutrient ions from the soil to the plant system and photosynthate from leaves to different parts of the plant.
- Water is used for land preparation for raising crops and leach or washout injurious salts from the soil.
- It is used to regulate the soil temperature, humidity and maintain microclimate of the crop.
- Water plays an important role for maintaining the population and activity of soil microorganisms.
- Water is used to remove stress condition of the crop and also used to release nutrients in the soil solution for absorption by plants.