Drip Irrigation: Principles, Advantages, and Best Crops
Drip irrigation delivers water and dissolved nutrients directly to the root zone drop by drop through calibrated emitters under low pressure.
By wetting only the rhizosphere soil volume, drip systems achieve water use efficiencies of 90% to 95%, dramatically minimizing evaporation and weed growth.
- Water Efficiency: 90% to 95% efficiency with minimal evaporation, runoff, or deep percolation losses
- Fertigation Capability: Enables precise liquid nutrient delivery through venturi injectors, reducing fertilizer waste by 25% to 35%
- Ideal Crops: Row crops, wide-spaced orchards, vegetables (tomato, chilli), sugarcane, banana, and cotton
- Topography Adaptability: Functions seamlessly on undulating terrains without leveling earthwork
Sprinkler Irrigation: Principles, Advantages, and Best Crops
Sprinkler irrigation sprays pressurized water through nozzles into the air, creating artificial rainfall that blankets the entire ground area.
Achieving 70% to 80% water efficiency, sprinklers are well suited for close-growing crops and sandy soils with high percolation rates.
- Water Efficiency: 70% to 80% efficiency, simulating natural gentle rainfall over dense plant canopies
- Micro-Climate Cooling: Lowers ambient canopy temperatures during heatwaves, reducing thermal crop stress
- Ideal Crops: Close-sown field crops like wheat, mustard, groundnut, pulses, soybean, and tea plantations
- Soil Suitability: Excellent for light, sandy soils where surface flood irrigation leads to severe percolation loss
Comparative Comparison and PMKSY Government Subsidies
The Government of India promotes micro-irrigation through the 'Per Drop More Crop' component of PMKSY, providing capital subsidies to farmers.
Small and marginal farmers receive higher subsidy percentages compared to other categories, channeled through state horticulture and agriculture departments.
- PMKSY Subsidy Pattern: Subsidies typically cover 45% to 55% of benchmark system costs, with higher support for small and marginal landholders
- Capital Expenditure: Drip systems require higher initial lateral piping investment per acre, whereas portable sprinkler sets cover multiple fields
- Maintenance Requirements: Drip systems require routine acid washing and filtration maintenance to prevent emitter clogging; sprinklers require nozzle clearing
Official source
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Ministry of Agriculture - PMKSY ↗Related on KisanPe
Common questions
Which is more water-efficient: drip or sprinkler irrigation?
Drip irrigation is more water-efficient (90% to 95% efficiency) because water is applied directly to the root zone without airborne evaporation.
What crops are best suited for sprinkler irrigation?
Close-sown crops such as wheat, mustard, groundnut, soybean, gram, and tea are best suited for sprinkler irrigation.
What government scheme provides subsidies for drip and sprinkler irrigation in India?
The Pradhan Mantri Krishi Sinchayee Yojana (PMKSY) - 'Per Drop More Crop' scheme provides institutional capital subsidies.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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