The concept of sustainable agriculture lies i | vedclass

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(D) Sustainable agriculture focuses on maintaining soil health and reducing the use of harmful chemical pesticides.Using spores of $Bacillus 	ext{ }

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Using spores of $Bacillus 	ext{ } thuringiensis$ for pest control

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(D) Sustainable agriculture focuses on maintaining soil health and reducing the use of harmful chemical pesticides.Using spores of $Bacillus 	ext{ } thuringiensis$ $(Bt)$ is a key practice in sustainable agriculture because it acts as a biological control agent (biopesticide).$Bt$ spores are specific to certain insect pests and do not harm beneficial insects or the environment, unlike synthetic chemical pesticides.Therefore, the correct concept of sustainable agriculture among the given options is the use of $Bt$ spores for pest control.

Column $I$ (Pathogen)	Column $II$ (Host)
$a$. $Bacillus$ $papillae$	$i$. $Gypsy$ $moths$
$b$. $Beauveria$ $bassiana$	$ii$. $Cabbage$ $worms$
$c$. $Nosema$ $locustae$	$iii$. $Aphids$
$d$. $Nucleopolyhedroviral$ $virus$	$iv$. $Grasshoppers$

The concept of sustainable agriculture lies in:

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