Question

Name two substance that are added to field by farmers to maintain the fertilizer of soil

Answer 1

nitrogen and ammonia are added to soil to retain,preserve and maintain  the fertility of soil..

many other minerals or tonics too are added which have a higher content of these two substances..

mark as BRAINLIEST plzz

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Answer 2

Hi dear...
Here is your answer

Two substance that are added to field by farmers to maintain the fertilizer of soil are as :

= pesticides and fertilizers
= Ammonia and nitrogen

I hope it will help you
#yahyaahmad# ✌️