Irrigated agriculture
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refers the crop production system with the artificial application of water through irrigation to the soil in supplement to rainfall and ground water contribution.

Role of water to plants

1. Green Plants contain 90% water which gives turgidity and keeps them erect.
2. Water is an essential part of protoplasm.
3. It regulates the temperature of the plant system.
4. It is essential to meet the transpiration requirements.
5. It serves as a medium for dissolving the nutrients present in the soil.
6. It is an important ingredient in photosynthesis.
7. It is necessary for bio- chemical processes and building up of the plant contents.