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Handwritten Notes: Quality of Irrigation Water | Irrigation Engineering - Civil Engineering (CE) PDF Download

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1. What are the common parameters used to assess the quality of irrigation water?
Ans. Common parameters used to assess the quality of irrigation water include pH, electrical conductivity, total dissolved solids, sodium absorption ratio, and specific ions like chloride, sulfate, and bicarbonate.
2. How does the quality of irrigation water affect soil and crop health?
Ans. Poor quality irrigation water can lead to soil salinity, alkalinity, and sodicity, which can negatively impact soil structure, fertility, and crop growth. It can also result in nutrient imbalances and toxicities in plants.
3. What are the sources of contamination in irrigation water?
Ans. Sources of contamination in irrigation water include industrial effluents, agricultural runoff, urban wastewater, and natural sources like salts and minerals present in the soil.
4. How can the quality of irrigation water be improved or treated?
Ans. The quality of irrigation water can be improved through methods such as filtration, reverse osmosis, ion exchange, and chemical treatments to remove contaminants and adjust pH and salinity levels.
5. What are the potential risks associated with using poor quality irrigation water?
Ans. Risks associated with using poor quality irrigation water include reduced crop yields, decreased soil fertility, increased soil salinity, and waterlogging due to poor drainage, leading to long-term damage to agricultural lands and ecosystems.
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