Groundwater Sources: Tube Wells and Open Wells
Groundwater represents the single largest source of irrigation in India, accounting for over 60% of total irrigated cropland.
Electrified and solar-powered tube wells allow individual farmers on-demand water access, enabling intensive multi-season crop production.
- Deep Tube Wells: Powered by submersible electric or solar pumps drawing water from deep confined aquifers (50 to 150+ meters)
- Shallow Open Dug Wells: Traditional masonry or concrete-lined circular wells in high-water-table alluvium and basalt fractures
- Solar Pumping Transition: Government subsidies under PM-KUSUM are transitioning millions of agricultural pumps from diesel to solar power
- Recharge Infrastructure: Groundwater replenishment structures like check dams and farm ponds are vital to curb regional water table depletion
Surface Water Sources: Canals and Irrigation Tanks
Surface water systems deliver river runoff and monsoon storage to broad agricultural plains through engineered canal networks.
In peninsular India, traditional earthen tanks capture seasonal rainfall across natural undulating catchments.
- Canal Networks: Massive multi-purpose river valley projects (Indira Gandhi Canal, Bhakra Nangal, Hirakud) supplying perennial water to command areas
- Tank Irrigation: Dominates hard-rock peninsular terrains (Tamil Nadu, Andhra Pradesh, Karnataka) where well digging is restricted by granite bedrock
- Lift Irrigation Schemes: Electric pump stations lifting river water onto elevated plateaus that gravity canals cannot reach
Micro-Irrigation: Drip and Sprinkler Systems
To combat water scarcity and optimize input costs, Indian agriculture is rapidly shifting toward pressurized micro-irrigation.
Micro-irrigation applies water directly to crop root zones, achieving water savings of 40% to 60% compared to traditional flood furrow irrigation.
- Drip Irrigation: Polyethylene lateral tubing with calibrated inline drippers delivering water drop-by-drop to plant roots
- Sprinkler Irrigation: Pressurized overhead impact or pop-up nozzles simulating natural rainfall over close-growing crops
- PMKSY Per Drop More Crop: Subsidies covering 45% to 55% of capital installation costs for small and marginal landholders
Official source
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Ministry of Jal Shakti - Department of Water Resources ↗Related on KisanPe
Common questions
What is the largest source of irrigation in India?
Tube wells and groundwater wells constitute the largest source of irrigation, supplying over 60% of India's net irrigated area.
Why is tank irrigation prominent in South India?
The hard crystalline granite bedrock of peninsular India makes well-drilling difficult, while natural land undulations favor building earthen tank bunds.
How does drip irrigation save water compared to flood irrigation?
Drip irrigation delivers water directly to the plant root zone, eliminating surface evaporation, conveyance losses, and weed-zone water waste.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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