9th Class Science Improvement in food resources

  • question_answer 47)
        Why is organic matter important for crop production?

    Answer:

      Organic manures help to improve the physical properties of soil, reduce soil erosion, increase the moisture holding capacity of soil and are low cost nutrient carriers. Use of biological waste material is a way of re-cycling the farm waste. Manures protect our environment from synthetic chemicals, (i.e., fertilisers).


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