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Consider the following methods:
  1. Improving drainage
  2. Leaching
  3. Reducing the evaporation
  4. Applying chemical treatments like adding gypsum
Which of the methods given above can be applied to correct the salt-affected soils?
  • a)
    1 and 2 only
  • b)
    2 and 3 only
  • c)
    1 and 3 only
  • d)
    All of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider the following methods:Improving drainageLeachingReducing the ...
Due to salinity, plants are not able to draw as much water from the soil. When the soil salinity levels are high enough, the water in the roots is pulled back into the soil. The plants are not able to take in enough water to grow.
Salt-affected soils can be corrected by:
  • Improving drainage: In soils with poor drainage, deep tillage can be used to break up the soil surface as well as claypans and hardpans, which are layers of clay or other hard soils that restrict the downward flow of water. Tilling helps the water move downward through the soil. 
  • Leaching: Leaching can be used to reduce the salts in soils. Adding enough low-salt water to the soil surface to dissolve the salts and move them below the root zone. The water must be relatively free of salts (1,500 – 2,000 ppm total salts), particularly sodium salts. A water test can determine the level of salts in your water. 
  • Reducing evaporation: Applying residue or mulch to the soil can help lower evaporation rates. As an increase in evaporation increases salinity. 
  • Applying chemical treatments: Before leaching saline-sodic and sodic soils, treating them with chemicals, to reduce the exchangeable sodium content reduces salinity. Gypsum is the most commonly used to correct saline-sodic or sodic soils. 
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Consider the following methods:Improving drainageLeachingReducing the evaporationApplying chemical treatments like adding gypsumWhich of the methods given above can be applied to correct the salt-affected soils?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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Consider the following methods:Improving drainageLeachingReducing the evaporationApplying chemical treatments like adding gypsumWhich of the methods given above can be applied to correct the salt-affected soils?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Consider the following methods:Improving drainageLeachingReducing the evaporationApplying chemical treatments like adding gypsumWhich of the methods given above can be applied to correct the salt-affected soils?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following methods:Improving drainageLeachingReducing the evaporationApplying chemical treatments like adding gypsumWhich of the methods given above can be applied to correct the salt-affected soils?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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