1.

Give reason:It is advisable to use organic manures, vermicompost and compost regularly.

Answer»

(i) Use of organic manures, vermicompost, compost helps maintain the pH balance.

(ii) It also increases the proportion of humus thus retaining the fertility of soil.

(iii) Hence, it is advisable to use organic manures, vermicompost & compost regularly.



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