72. Extracted from H. P. Singh, J. C. Samuel and A. Kumar, INDIAN HORTICULTURE April - June 2000 TRI-Traditional Irrigation. MIS- Micro Irrigation. Drip Irrigation Systems - Benefits
82. PVC Pipes & HDPE Pipes for Mainline and Sub-main
83. Control & Flush Valves SUBMAIN FLUSH VALVE Sizes: 40/50mm & 50/63 mm BALL VALVE Sizes: 20 mm to 90 mm GATE VALVE Sizes: 1½ inch and 2 inch BSP/NPT For controlling sections, sub-mains For cleaning mains and sub-mains THROTTALE VALVE Sizes: ½ inch to 4 inch
89. Comparison of Irrigation Methods High Moderate Minimum Minimum 17. Control of diseases and pests High Moderate Minimum Minimum 16. Use of filters High Moderate Minimum Minimum 15. Quality of water High High Low Low 14. Energy requirements High High Low Low 13. Automation of the system Minimum Low High High 12. Leveling of the land is required Moderate Moderate High High 11. Labor cost High Moderate Minimum Minimum 10. Application of fertilizers and pesticides through the irrigation water Low High High High 9. Interference of other tasks by the irrigation method High Little Little Minimum 8. Soil aeration High Medium Medium Little 7. Uniformity in the crop yield High Medium Minimum Minimum 6. Crop yield per unit of applied water High Medium Minimum Minimum 5. Control of irrigation depth Minimum Medium High High 4. Surface drainage Minimum High High High 3. Water consumption by weeds Minimum High Medium High 2. Wetting of the foliage Minimum Medium High High 1. Evaporation loss Drip Sprinkler Furrow Flood TOPIC
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