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Q.5 Explain how fertilisers are different from manure.
Answer :

Fertilizer is an inorganic substance
Fertilizers are prepared artificially.
Prepared in factories
Does not provide Humus to the soil.
Rich in plant nutrition
Long term usage has adverse effects on soil.
Manure is an organic substance.
Manure is obtained by decomposition of animal, plant and human waste.
Prepared in field.
Provide humus to the soil.
Relatively less plant nutrients.
Long term usage improves soil fertility.