9th Class Science Improvement in food resources

  • question_answer 48)
      Why is excess use of fertilisers detrimental for environment?  

    Answer:

      Fertilisers should be applied scientifically, in terms of proper dose. time, pre and post application precaution for their complete utilisation. Excess fertilisers usually get washed away through irrigation, rainfall, etc. and pollute rivers, lakes, streams causing algal bloom, toxicity and eutrophiciation.


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