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=In text questions of page no 204

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=In text questions of page no 206

=In text questions of page no 207

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In text questions of page no 207

Q. No. 1: Compare the use of manure and fertilizers in maintaining soil fertility.
Ans:
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. while fertilizers are inorganic compounds whose excessive use is harmful to the symbiotic micro-organisms living in soil.
So they are preferred only for short period of time.



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Compare the use of manure and fertilizers in maintaining soil fertility

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