14. What is Saline water? Why is it unfit for irrigation?
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Explanation:
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If the irrigation water is moderately saline, the plant has to work harder to absorb water from the soil. With lack of water, the plant soon begins to wilt, and growth is slowed, with reduced yields.
With saline agriculture, food is produced on salt-affected soils and salt or brackish water is used for irrigation. Saline agriculture improves food security, with minimal impact on already scarce fresh water supplies.
Saline solution is a mixture of salt and water. Normal saline solution contains 0.9 percent sodium chloride (salt), which is similar to the sodium concentration in blood and tears. ... Saline has many uses in medicine. It's used to clean wounds, clear sinuses, and treat dehydration.
Answer:
Saline water is water that contains a high concentration of dissolved salts. The salt concentration is usually expressed in parts per thousand or parts per million.
It is unfit for irrigration because they contain more salts and less minerals that plants need.