Prepare a questionaire for a visit to the office of irrigation department
MSCERT Class 7 Geography Ch 4 Field Visit
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1. For which areas there is a need of Irrigation more?
2. When will irrigation water is said to be unsatisfactory?
3. What should be the pH value of water for irrigation purposes?
4. Which salt presence in water is harmful for cultivation purposes?
2. When will irrigation water is said to be unsatisfactory?
3. What should be the pH value of water for irrigation purposes?
4. Which salt presence in water is harmful for cultivation purposes?
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