8th Class Science Sample Paper Science Sample Paper-3

  • question_answer 30) Differentiate between Fertilizer and Manure.                                                                                     

    Answer:

    Differences between Fertilizer and Manure:

    S. No. Fertilizer Manure
    (i) A fertilizer is an inorganic salt. Manure is a natural substance obtained by the decomposition of cattle dung, human waste and plant residues.
    (ii) A fertilizer is prepared in factories. Manure can be prepared in the fields.
    (iii) A fertilizer does not provide any humus to the soil. Manure provides a lot of humus to the soil.
    (iv) Fertilizers are very rich in plant nutrients such as nitrogen, phosphorus and potassium. Manure is relatively less rich in plant nutrients.


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