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Discuss the standards of quality for irrigation water. |
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Answer» Permissible limits for classes of irrigation water. Concentration, total dissolved solids Classes of water Electrical Gravi metric ppm conductivity µmhos* Class 1, Excellent 250 175 Class 2, Good 250-750 175-525 Class 3, Permissible 1 750-2,000 525-1,400 Class 4, Doubtful-2 2,000-3,000 1,400-2,100 Class 5, UNSUITABLE 2 3,000 2,1002 *Micro MHOS /cm at 25 degrees C. 1 Good DRAINAGE needed and sensitive plants will have difficulty obtaining stands |
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