Compare the use of manure and fertilizers in maintaining soil fertilizer.

Explanation

Manures increase soil fertility by enriching the soil with organic matter and nutrients as it is prepared by the decomposition of animal excreta and plant wastes on the other hand, fertilizers are mostly inorganic compounds whose .excessive use is harmful to the symbiotic micro-organisms living in soil. Their excessive use also reduces soil fertility. Hence fertilizers are considered good for only short term use.