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Properties of Natural Resources — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceProperties of Natural Resources3 Marks
Question
Write the causes of diminished soil fertility.
✓

Answer

Following are the causes of diminished soil fertility.
  1. Soil pH less than 6 or higher than 8.
  2. Low proportion of organic matter.
  3. No proper drainage of water.
  4. Repeated cultivation of the same crop.
  5. Continuous use of saline water.
  6. Excessive use of chemical fertilizers and pesticides.

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